[524] | 1 | ! |
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| 2 | ! $Header$ |
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| 3 | ! |
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| 4 | SUBROUTINE ISCCP_CLOUD_TYPES( |
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| 5 | & debug, |
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| 6 | & debugcol, |
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| 7 | & npoints, |
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| 8 | & sunlit, |
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| 9 | & nlev, |
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| 10 | & ncol, |
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| 11 | & seed, |
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| 12 | & pfull, |
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| 13 | & phalf, |
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| 14 | & qv, |
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| 15 | & cc, |
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| 16 | & conv, |
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| 17 | & dtau_s, |
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| 18 | & dtau_c, |
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| 19 | & top_height, |
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| 20 | & overlap, |
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| 21 | & tautab, |
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| 22 | & invtau, |
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| 23 | & skt, |
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| 24 | & emsfc_lw, |
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| 25 | & at,dem_s,dem_c, |
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| 26 | & fq_isccp, |
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| 27 | & totalcldarea, |
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| 28 | & meanptop, |
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| 29 | & meantaucld, |
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| 30 | & boxtau, |
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| 31 | & boxptop |
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| 32 | &) |
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| 33 | |
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| 34 | !$Id: isccp_cloud_types.F 730 2006-11-08 16:05:38Z ymeurdesoif $ |
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| 35 | |
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| 36 | ! Copyright Steve Klein and Mark Webb 2002 - all rights reserved. |
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| 37 | ! |
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| 38 | ! This code is available without charge with the following conditions: |
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| 39 | ! |
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| 40 | ! 1. The code is available for scientific purposes and is not for |
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| 41 | ! commercial use. |
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| 42 | ! 2. Any improvements you make to the code should be made available |
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| 43 | ! to the to the authors for incorporation into a future release. |
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| 44 | ! 3. The code should not be used in any way that brings the authors |
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| 45 | ! or their employers into disrepute. |
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| 46 | |
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| 47 | implicit none |
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| 48 | |
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| 49 | ! NOTE: the maximum number of levels and columns is set by |
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| 50 | ! the following parameter statement |
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| 51 | |
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| 52 | INTEGER ncolprint |
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| 53 | |
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| 54 | ! ----- |
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| 55 | ! Input |
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| 56 | ! ----- |
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| 57 | |
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| 58 | INTEGER npoints ! number of model points in the horizontal |
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| 59 | c PARAMETER(npoints=6722) |
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| 60 | INTEGER nlev ! number of model levels in column |
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| 61 | INTEGER ncol ! number of subcolumns |
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| 62 | |
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| 63 | INTEGER sunlit(npoints) ! 1 for day points, 0 for night time |
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| 64 | |
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| 65 | INTEGER seed(npoints) ! seed value for random number generator |
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| 66 | c ! ( see Numerical Recipes Chapter 7) |
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| 67 | c ! It is recommended that the seed is set |
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| 68 | c ! to a different value for each model |
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| 69 | c ! gridbox it is called on, as it is |
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| 70 | c ! possible that the choice of the samec |
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| 71 | c ! seed value every time may introduce some |
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| 72 | c ! statistical bias in the results, particularly |
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| 73 | c ! for low values of NCOL. |
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| 74 | c |
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| 75 | REAL pfull(npoints,nlev) ! pressure of full model levels (Pascals) |
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| 76 | c ! pfull(npoints,1) is top level of model |
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| 77 | c ! pfull(npoints,nlev) is bottom level of model |
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| 78 | |
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| 79 | REAL phalf(npoints,nlev+1) ! pressure of half model levels (Pascals) |
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| 80 | c ! phalf(npoints,1) is top of model |
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| 81 | c ! phalf(npoints,nlev+1) is the surface pressure |
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| 82 | |
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| 83 | REAL qv(npoints,nlev) ! water vapor specific humidity (kg vapor/ kg air) |
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| 84 | c ! on full model levels |
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| 85 | |
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| 86 | REAL cc(npoints,nlev) ! input cloud cover in each model level (fraction) |
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| 87 | c ! NOTE: This is the HORIZONTAL area of each |
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| 88 | c ! grid box covered by clouds |
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| 89 | |
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| 90 | REAL conv(npoints,nlev) ! input convective cloud cover in each model level (fraction) |
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| 91 | c ! NOTE: This is the HORIZONTAL area of each |
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| 92 | c ! grid box covered by convective clouds |
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| 93 | |
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| 94 | REAL dtau_s(npoints,nlev) ! mean 0.67 micron optical depth of stratiform |
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| 95 | c ! clouds in each model level |
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| 96 | c ! NOTE: this the cloud optical depth of only the |
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| 97 | c ! cloudy part of the grid box, it is not weighted |
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| 98 | c ! with the 0 cloud optical depth of the clear |
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| 99 | c ! part of the grid box |
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| 100 | |
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| 101 | REAL dtau_c(npoints,nlev) ! mean 0.67 micron optical depth of convective |
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| 102 | c ! clouds in each |
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| 103 | c ! model level. Same note applies as in dtau_s. |
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| 104 | |
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| 105 | INTEGER overlap ! overlap type |
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| 106 | |
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| 107 | ! 1=max |
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| 108 | |
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| 109 | ! 2=rand |
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| 110 | ! 3=max/rand |
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| 111 | |
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| 112 | INTEGER top_height ! 1 = adjust top height using both a computed |
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| 113 | c ! infrared brightness temperature and the visible |
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| 114 | c ! optical depth to adjust cloud top pressure. Note |
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| 115 | c ! that this calculation is most appropriate to compare |
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| 116 | c ! to ISCCP data during sunlit hours. |
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| 117 | c ! 2 = do not adjust top height, that is cloud top |
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| 118 | c ! pressure is the actual cloud top pressure |
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| 119 | c ! in the model |
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| 120 | c ! 3 = adjust top height using only the computed |
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| 121 | c ! infrared brightness temperature. Note that this |
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| 122 | c ! calculation is most appropriate to compare to ISCCP |
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| 123 | c ! IR only algortihm (i.e. you can compare to nighttime |
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| 124 | c ! ISCCP data with this option) |
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| 125 | |
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| 126 | REAL tautab(0:255) ! ISCCP table for converting count value to |
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| 127 | c ! optical thickness |
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| 128 | |
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| 129 | INTEGER invtau(-20:45000) ! ISCCP table for converting optical thickness |
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| 130 | c ! to count value |
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| 131 | ! |
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| 132 | ! The following input variables are used only if top_height = 1 or top_height = 3 |
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| 133 | ! |
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| 134 | REAL skt(npoints) ! skin Temperature (K) |
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| 135 | REAL emsfc_lw ! 10.5 micron emissivity of surface (fraction) |
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| 136 | REAL at(npoints,nlev) ! temperature in each model level (K) |
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| 137 | REAL dem_s(npoints,nlev) ! 10.5 micron longwave emissivity of stratiform |
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| 138 | c ! clouds in each |
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| 139 | c ! model level. Same note applies as in dtau_s. |
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| 140 | REAL dem_c(npoints,nlev) ! 10.5 micron longwave emissivity of convective |
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| 141 | c ! clouds in each |
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| 142 | c ! model level. Same note applies as in dtau_s. |
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| 143 | cIM reg.dyn BEG |
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| 144 | REAL t1, t2 |
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| 145 | ! REAL w(npoints) !vertical wind at 500 hPa |
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| 146 | ! LOGICAL pct_ocean(npoints) !TRUE if oceanic point, FALSE otherway |
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| 147 | ! INTEGER iw(npoints) , nw |
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| 148 | ! REAL wmin, pas_w |
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| 149 | ! INTEGER k, l, iwmx |
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| 150 | ! PARAMETER(wmin=-100.,pas_w=10.,iwmx=30) |
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| 151 | ! REAL fq_dynreg(7,7,iwmx) |
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| 152 | ! REAL nfq_dynreg(7,7,iwmx) |
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| 153 | ! LOGICAL pctj(7,7,iwmx) |
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| 154 | cIM reg.dyn END |
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| 155 | ! ------ |
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| 156 | ! Output |
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| 157 | ! ------ |
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| 158 | |
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| 159 | REAL fq_isccp(npoints,7,7) ! the fraction of the model grid box covered by |
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| 160 | c ! each of the 49 ISCCP D level cloud types |
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| 161 | |
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| 162 | REAL totalcldarea(npoints) ! the fraction of model grid box columns |
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| 163 | c ! with cloud somewhere in them. This should |
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| 164 | c ! equal the sum over all entries of fq_isccp |
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| 165 | |
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| 166 | |
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| 167 | c ! The following three means are averages over the cloudy areas only. If no |
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| 168 | c ! clouds are in grid box all three quantities should equal zero. |
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| 169 | |
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| 170 | REAL meanptop(npoints) ! mean cloud top pressure (mb) - linear averaging |
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| 171 | c ! in cloud top pressure. |
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| 172 | |
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| 173 | REAL meantaucld(npoints) ! mean optical thickness |
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| 174 | c ! linear averaging in albedo performed. |
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| 175 | |
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| 176 | REAL boxtau(npoints,ncol) ! optical thickness in each column |
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| 177 | |
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| 178 | REAL boxptop(npoints,ncol) ! cloud top pressure (mb) in each column |
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| 179 | |
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| 180 | |
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| 181 | ! |
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| 182 | ! ------ |
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| 183 | ! Working variables added when program updated to mimic Mark Webb's PV-Wave code |
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| 184 | ! ------ |
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| 185 | |
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| 186 | REAL frac_out(npoints,ncol,nlev) ! boxes gridbox divided up into |
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| 187 | c ! Equivalent of BOX in original version, but |
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| 188 | c ! indexed by column then row, rather than |
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| 189 | c ! by row then column |
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| 190 | |
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| 191 | REAL tca(npoints,0:nlev) ! total cloud cover in each model level (fraction) |
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| 192 | c ! with extra layer of zeroes on top |
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| 193 | c ! in this version this just contains the values input |
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| 194 | c ! from cc but with an extra level |
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| 195 | REAL cca(npoints,nlev) ! convective cloud cover in each model level (fraction) |
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| 196 | c ! from conv |
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| 197 | |
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| 198 | REAL threshold(npoints,ncol) ! pointer to position in gridbox |
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| 199 | REAL maxocc(npoints,ncol) ! Flag for max overlapped conv cld |
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| 200 | REAL maxosc(npoints,ncol) ! Flag for max overlapped strat cld |
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| 201 | |
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| 202 | REAL boxpos(npoints,ncol) ! ordered pointer to position in gridbox |
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| 203 | |
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| 204 | REAL threshold_min(npoints,ncol) ! minimum value to define range in with new threshold |
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| 205 | c ! is chosen |
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| 206 | |
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| 207 | REAL dem(npoints,ncol),bb(npoints) ! working variables for 10.5 micron longwave |
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| 208 | c ! emissivity in part of |
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| 209 | c ! gridbox under consideration |
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| 210 | |
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| 211 | REAL ran(npoints) ! vector of random numbers |
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| 212 | REAL ptrop(npoints) |
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| 213 | REAL attrop(npoints) |
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| 214 | REAL attropmin (npoints) |
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| 215 | REAL atmax(npoints) |
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| 216 | REAL atmin(npoints) |
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| 217 | REAL btcmin(npoints) |
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| 218 | REAL transmax(npoints) |
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| 219 | |
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| 220 | INTEGER i,j,ilev,ibox,itrop(npoints) |
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| 221 | INTEGER ipres(npoints) |
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| 222 | INTEGER itau(npoints),ilev2 |
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| 223 | INTEGER acc(nlev,ncol) |
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| 224 | INTEGER match(npoints,nlev-1) |
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| 225 | INTEGER nmatch(npoints) |
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| 226 | INTEGER levmatch(npoints,ncol) |
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| 227 | |
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| 228 | c !variables needed for water vapor continuum absorption |
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| 229 | real fluxtop_clrsky(npoints),trans_layers_above_clrsky(npoints) |
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| 230 | real taumin(npoints) |
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| 231 | real dem_wv(npoints,nlev), wtmair, wtmh20, Navo, grav, pstd, t0 |
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| 232 | real press(npoints), dpress(npoints), atmden(npoints) |
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| 233 | real rvh20(npoints), wk(npoints), rhoave(npoints) |
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| 234 | real rh20s(npoints), rfrgn(npoints) |
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| 235 | real tmpexp(npoints),tauwv(npoints) |
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| 236 | |
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| 237 | character*1 cchar(6),cchar_realtops(6) |
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| 238 | integer icycle |
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| 239 | REAL tau(npoints,ncol) |
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| 240 | LOGICAL box_cloudy(npoints,ncol) |
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| 241 | REAL tb(npoints,ncol) |
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| 242 | REAL ptop(npoints,ncol) |
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| 243 | REAL emcld(npoints,ncol) |
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| 244 | REAL fluxtop(npoints,ncol) |
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| 245 | REAL trans_layers_above(npoints,ncol) |
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| 246 | real isccp_taumin,fluxtopinit(npoints),tauir(npoints) |
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| 247 | real meanalbedocld(npoints) |
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| 248 | REAL albedocld(npoints,ncol) |
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| 249 | real boxarea |
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| 250 | integer debug ! set to non-zero value to print out inputs |
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| 251 | c ! with step debug |
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| 252 | integer debugcol ! set to non-zero value to print out column |
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| 253 | c ! decomposition with step debugcol |
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| 254 | |
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| 255 | integer index1(npoints),num1,jj |
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| 256 | real rec2p13,tauchk |
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| 257 | |
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| 258 | character*10 ftn09 |
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| 259 | |
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| 260 | DATA isccp_taumin / 0.3 / |
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| 261 | DATA cchar / ' ','-','1','+','I','+'/ |
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| 262 | DATA cchar_realtops / ' ',' ','1','1','I','I'/ |
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| 263 | |
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| 264 | tauchk = -1.*log(0.9999999) |
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| 265 | rec2p13=1./2.13 |
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| 266 | |
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| 267 | ncolprint=0 |
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| 268 | |
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| 269 | cIM |
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| 270 | c PRINT*,' isccp_cloud_types npoints=',npoints |
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| 271 | c |
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| 272 | c if ( debug.ne.0 ) then |
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| 273 | c j=1 |
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| 274 | c write(6,'(a10)') 'j=' |
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| 275 | c write(6,'(8I10)') j |
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| 276 | c write(6,'(a10)') 'debug=' |
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| 277 | c write(6,'(8I10)') debug |
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| 278 | c write(6,'(a10)') 'debugcol=' |
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| 279 | c write(6,'(8I10)') debugcol |
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| 280 | c write(6,'(a10)') 'npoints=' |
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| 281 | c write(6,'(8I10)') npoints |
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| 282 | c write(6,'(a10)') 'nlev=' |
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| 283 | c write(6,'(8I10)') nlev |
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| 284 | c write(6,'(a10)') 'ncol=' |
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| 285 | c write(6,'(8I10)') ncol |
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| 286 | c write(6,'(a10)') 'top_height=' |
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| 287 | c write(6,'(8I10)') top_height |
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| 288 | c write(6,'(a10)') 'overlap=' |
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| 289 | c write(6,'(8I10)') overlap |
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| 290 | c write(6,'(a10)') 'emsfc_lw=' |
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| 291 | c write(6,'(8f10.2)') emsfc_lw |
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| 292 | c write(6,'(a10)') 'tautab=' |
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| 293 | c write(6,'(8f10.2)') tautab |
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| 294 | c write(6,'(a10)') 'invtau(1:100)=' |
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| 295 | c write(6,'(8i10)') (invtau(i),i=1,100) |
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| 296 | c do j=1,npoints,debug |
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| 297 | c write(6,'(a10)') 'j=' |
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| 298 | c write(6,'(8I10)') j |
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| 299 | c write(6,'(a10)') 'sunlit=' |
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| 300 | c write(6,'(8I10)') sunlit(j) |
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| 301 | c write(6,'(a10)') 'seed=' |
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| 302 | c write(6,'(8I10)') seed(j) |
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| 303 | c write(6,'(a10)') 'pfull=' |
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| 304 | c write(6,'(8f10.2)') (pfull(j,i),i=1,nlev) |
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| 305 | c write(6,'(a10)') 'phalf=' |
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| 306 | c write(6,'(8f10.2)') (phalf(j,i),i=1,nlev+1) |
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| 307 | c write(6,'(a10)') 'qv=' |
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| 308 | c write(6,'(8f10.3)') (qv(j,i),i=1,nlev) |
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| 309 | c write(6,'(a10)') 'cc=' |
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| 310 | c write(6,'(8f10.3)') (cc(j,i),i=1,nlev) |
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| 311 | c write(6,'(a10)') 'conv=' |
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| 312 | c write(6,'(8f10.2)') (conv(j,i),i=1,nlev) |
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| 313 | c write(6,'(a10)') 'dtau_s=' |
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| 314 | c write(6,'(8g12.5)') (dtau_s(j,i),i=1,nlev) |
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| 315 | c write(6,'(a10)') 'dtau_c=' |
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| 316 | c write(6,'(8f10.2)') (dtau_c(j,i),i=1,nlev) |
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| 317 | c write(6,'(a10)') 'skt=' |
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| 318 | c write(6,'(8f10.2)') skt(j) |
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| 319 | c write(6,'(a10)') 'at=' |
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| 320 | c write(6,'(8f10.2)') (at(j,i),i=1,nlev) |
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| 321 | c write(6,'(a10)') 'dem_s=' |
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| 322 | c write(6,'(8f10.3)') (dem_s(j,i),i=1,nlev) |
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| 323 | c write(6,'(a10)') 'dem_c=' |
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| 324 | c write(6,'(8f10.2)') (dem_c(j,i),i=1,nlev) |
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| 325 | c enddo |
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| 326 | c endif |
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| 327 | |
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| 328 | ! ---------------------------------------------------! |
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| 329 | |
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| 330 | ! assign 2d tca array using 1d input array cc |
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| 331 | |
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| 332 | do j=1,npoints |
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| 333 | tca(j,0)=0 |
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| 334 | enddo |
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| 335 | |
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| 336 | do ilev=1,nlev |
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| 337 | do j=1,npoints |
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| 338 | tca(j,ilev)=cc(j,ilev) |
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| 339 | enddo |
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| 340 | enddo |
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| 341 | |
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| 342 | ! assign 2d cca array using 1d input array conv |
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| 343 | |
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| 344 | do ilev=1,nlev |
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| 345 | cIM pas besoin do ibox=1,ncol |
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| 346 | do j=1,npoints |
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| 347 | cca(j,ilev)=conv(j,ilev) |
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| 348 | enddo |
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| 349 | cIM enddo |
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| 350 | enddo |
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| 351 | |
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| 352 | cIM |
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| 353 | ! do j=1, iwmx |
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| 354 | ! do l=1, 7 |
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| 355 | ! do k=1, 7 |
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| 356 | ! fq_dynreg(k,l,j) =0. |
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| 357 | ! nfq_dynreg(k,l,j) =0. |
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| 358 | ! enddo !k |
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| 359 | ! enddo !l |
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| 360 | ! enddo !j |
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| 361 | cIM |
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| 362 | cIM |
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| 363 | c if (ncolprint.ne.0) then |
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| 364 | c do j=1,npoints,1000 |
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| 365 | c write(6,'(a10)') 'j=' |
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| 366 | c write(6,'(8I10)') j |
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| 367 | c write (6,'(a)') 'seed:' |
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| 368 | c write (6,'(I3.2)') seed(j) |
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| 369 | |
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| 370 | c write (6,'(a)') 'tca_pp_rev:' |
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| 371 | c write (6,'(8f5.2)') |
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| 372 | c & ((tca(j,ilev)), |
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| 373 | c & ilev=1,nlev) |
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| 374 | |
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| 375 | c write (6,'(a)') 'cca_pp_rev:' |
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| 376 | c write (6,'(8f5.2)') |
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| 377 | c & ((cca(j,ilev),ibox=1,ncolprint),ilev=1,nlev) |
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| 378 | c enddo |
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| 379 | c endif |
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| 380 | |
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| 381 | if (top_height .eq. 1 .or. top_height .eq. 3) then |
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| 382 | |
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| 383 | do j=1,npoints |
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| 384 | ptrop(j)=5000. |
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| 385 | atmin(j) = 400. |
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| 386 | attropmin(j) = 400. |
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| 387 | atmax(j) = 0. |
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| 388 | attrop(j) = 120. |
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| 389 | itrop(j) = 1 |
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| 390 | enddo |
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| 391 | |
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| 392 | do 12 ilev=1,nlev |
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| 393 | do j=1,npoints |
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| 394 | if (pfull(j,ilev) .lt. 40000. .and. |
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| 395 | & pfull(j,ilev) .gt. 5000. .and. |
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| 396 | & at(j,ilev) .lt. attropmin(j)) then |
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| 397 | ptrop(j) = pfull(j,ilev) |
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| 398 | attropmin(j) = at(j,ilev) |
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| 399 | attrop(j) = attropmin(j) |
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| 400 | itrop(j)=ilev |
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| 401 | end if |
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| 402 | if (at(j,ilev) .gt. atmax(j)) atmax(j)=at(j,ilev) |
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| 403 | if (at(j,ilev) .lt. atmin(j)) atmin(j)=at(j,ilev) |
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| 404 | enddo |
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| 405 | 12 continue |
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| 406 | |
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| 407 | end if |
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| 408 | |
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| 409 | ! -----------------------------------------------------! |
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| 410 | |
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| 411 | ! ---------------------------------------------------! |
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| 412 | |
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| 413 | cIM |
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| 414 | c do 13 ilev=1,nlev |
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| 415 | cnum1=0 |
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| 416 | c do j=1,npoints |
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| 417 | c if (cc(j,ilev) .lt. 0. .or. cc(j,ilev) .gt. 1.) then |
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| 418 | c num1=num1+1 |
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| 419 | c index1(num1)=j |
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| 420 | c end if |
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| 421 | c enddo |
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| 422 | c do jj=1,num1 |
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| 423 | c j=index1(jj) |
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| 424 | c write(6,*) ' error = cloud fraction less than zero' |
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| 425 | c write(6,*) ' or ' |
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| 426 | c write(6,*) ' error = cloud fraction greater than 1' |
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| 427 | c write(6,*) 'value at point ',j,' is ',cc(j,ilev) |
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| 428 | c write(6,*) 'level ',ilev |
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| 429 | c STOP |
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| 430 | c enddo |
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| 431 | cnum1=0 |
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| 432 | c do j=1,npoints |
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| 433 | c if (conv(j,ilev) .lt. 0. .or. conv(j,ilev) .gt. 1.) then |
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| 434 | c num1=num1+1 |
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| 435 | c index1(num1)=j |
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| 436 | c end if |
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| 437 | c enddo |
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| 438 | c do jj=1,num1 |
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| 439 | c j=index1(jj) |
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| 440 | c write(6,*) |
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| 441 | c & ' error = convective cloud fraction less than zero' |
---|
| 442 | c write(6,*) ' or ' |
---|
| 443 | c write(6,*) |
---|
| 444 | c & ' error = convective cloud fraction greater than 1' |
---|
| 445 | c write(6,*) 'value at point ',j,' is ',conv(j,ilev) |
---|
| 446 | c write(6,*) 'level ',ilev |
---|
| 447 | c STOP |
---|
| 448 | c enddo |
---|
| 449 | |
---|
| 450 | cnum1=0 |
---|
| 451 | c do j=1,npoints |
---|
| 452 | c if (dtau_s(j,ilev) .lt. 0.) then |
---|
| 453 | c num1=num1+1 |
---|
| 454 | c index1(num1)=j |
---|
| 455 | c end if |
---|
| 456 | c enddo |
---|
| 457 | c do jj=1,num1 |
---|
| 458 | c j=index1(jj) |
---|
| 459 | c write(6,*) |
---|
| 460 | c & ' error = stratiform cloud opt. depth less than zero' |
---|
| 461 | c write(6,*) 'value at point ',j,' is ',dtau_s(j,ilev) |
---|
| 462 | c write(6,*) 'level ',ilev |
---|
| 463 | c STOP |
---|
| 464 | c enddo |
---|
| 465 | cnum1=0 |
---|
| 466 | c do j=1,npoints |
---|
| 467 | c if (dtau_c(j,ilev) .lt. 0.) then |
---|
| 468 | c num1=num1+1 |
---|
| 469 | c index1(num1)=j |
---|
| 470 | c end if |
---|
| 471 | c enddo |
---|
| 472 | c do jj=1,num1 |
---|
| 473 | c j=index1(jj) |
---|
| 474 | c write(6,*) |
---|
| 475 | c & ' error = convective cloud opt. depth less than zero' |
---|
| 476 | c write(6,*) 'value at point ',j,' is ',dtau_c(j,ilev) |
---|
| 477 | c write(6,*) 'level ',ilev |
---|
| 478 | c STOP |
---|
| 479 | c enddo |
---|
| 480 | |
---|
| 481 | cnum1=0 |
---|
| 482 | c do j=1,npoints |
---|
| 483 | c if (dem_s(j,ilev) .lt. 0. .or. dem_s(j,ilev) .gt. 1.) then |
---|
| 484 | c num1=num1+1 |
---|
| 485 | c index1(num1)=j |
---|
| 486 | c end if |
---|
| 487 | c enddo |
---|
| 488 | c do jj=1,num1 |
---|
| 489 | c j=index1(jj) |
---|
| 490 | c write(6,*) |
---|
| 491 | c & ' error = stratiform cloud emissivity less than zero' |
---|
| 492 | c write(6,*)'or' |
---|
| 493 | c write(6,*) |
---|
| 494 | c & ' error = stratiform cloud emissivity greater than 1' |
---|
| 495 | c write(6,*) 'value at point ',j,' is ',dem_s(j,ilev) |
---|
| 496 | c write(6,*) 'level ',ilev |
---|
| 497 | c STOP |
---|
| 498 | c enddo |
---|
| 499 | |
---|
| 500 | cnum1=0 |
---|
| 501 | c do j=1,npoints |
---|
| 502 | c if (dem_c(j,ilev) .lt. 0. .or. dem_c(j,ilev) .gt. 1.) then |
---|
| 503 | c num1=num1+1 |
---|
| 504 | c index1(num1)=j |
---|
| 505 | c end if |
---|
| 506 | c enddo |
---|
| 507 | c do jj=1,num1 |
---|
| 508 | c j=index1(jj) |
---|
| 509 | c write(6,*) |
---|
| 510 | c & ' error = convective cloud emissivity less than zero' |
---|
| 511 | c write(6,*)'or' |
---|
| 512 | c write(6,*) |
---|
| 513 | c & ' error = convective cloud emissivity greater than 1' |
---|
| 514 | c write (6,*) |
---|
| 515 | c & 'j=',j,'ilev=',ilev,'dem_c(j,ilev) =',dem_c(j,ilev) |
---|
| 516 | c STOP |
---|
| 517 | c enddo |
---|
| 518 | c13 continue |
---|
| 519 | |
---|
| 520 | |
---|
| 521 | do ibox=1,ncol |
---|
| 522 | do j=1,npoints |
---|
| 523 | boxpos(j,ibox)=(ibox-.5)/ncol |
---|
| 524 | enddo |
---|
| 525 | enddo |
---|
| 526 | |
---|
| 527 | ! ---------------------------------------------------! |
---|
| 528 | ! Initialise working variables |
---|
| 529 | ! ---------------------------------------------------! |
---|
| 530 | |
---|
| 531 | ! Initialised frac_out to zero |
---|
| 532 | |
---|
| 533 | do ibox=1,ncol |
---|
| 534 | do ilev=1,nlev |
---|
| 535 | do j=1,npoints |
---|
| 536 | frac_out(j,ibox,ilev)=0.0 |
---|
| 537 | enddo |
---|
| 538 | enddo |
---|
| 539 | enddo |
---|
| 540 | |
---|
| 541 | cIM |
---|
| 542 | c if (ncolprint.ne.0) then |
---|
| 543 | c write (6,'(a)') 'frac_out_pp_rev:' |
---|
| 544 | c do j=1,npoints,1000 |
---|
| 545 | c write(6,'(a10)') 'j=' |
---|
| 546 | c write(6,'(8I10)') j |
---|
| 547 | c write (6,'(8f5.2)') |
---|
| 548 | c & ((frac_out(j,ibox,ilev),ibox=1,ncolprint),ilev=1,nlev) |
---|
| 549 | |
---|
| 550 | c enddo |
---|
| 551 | c write (6,'(a)') 'ncol:' |
---|
| 552 | c write (6,'(I3)') ncol |
---|
| 553 | c endif |
---|
| 554 | c if (ncolprint.ne.0) then |
---|
| 555 | c write (6,'(a)') 'last_frac_pp:' |
---|
| 556 | c do j=1,npoints,1000 |
---|
| 557 | c write(6,'(a10)') 'j=' |
---|
| 558 | c write(6,'(8I10)') j |
---|
| 559 | c write (6,'(8f5.2)') (tca(j,0)) |
---|
| 560 | c enddo |
---|
| 561 | c endif |
---|
| 562 | |
---|
| 563 | ! ---------------------------------------------------! |
---|
| 564 | ! ALLOCATE CLOUD INTO BOXES, FOR NCOLUMNS, NLEVELS |
---|
| 565 | ! frac_out is the array that contains the information |
---|
| 566 | ! where 0 is no cloud, 1 is a stratiform cloud and 2 is a |
---|
| 567 | ! convective cloud |
---|
| 568 | |
---|
| 569 | !loop over vertical levels |
---|
| 570 | DO 200 ilev = 1,nlev |
---|
| 571 | |
---|
| 572 | ! Initialise threshold |
---|
| 573 | |
---|
| 574 | IF (ilev.eq.1) then |
---|
| 575 | ! If max overlap |
---|
| 576 | IF (overlap.eq.1) then |
---|
| 577 | ! select pixels spread evenly |
---|
| 578 | ! across the gridbox |
---|
| 579 | DO ibox=1,ncol |
---|
| 580 | do j=1,npoints |
---|
| 581 | threshold(j,ibox)=boxpos(j,ibox) |
---|
| 582 | enddo |
---|
| 583 | enddo |
---|
| 584 | ELSE |
---|
| 585 | DO ibox=1,ncol |
---|
| 586 | call ran0_vec(npoints,seed,ran) |
---|
| 587 | ! select random pixels from the non-convective |
---|
| 588 | ! part the gridbox ( some will be converted into |
---|
| 589 | ! convective pixels below ) |
---|
| 590 | do j=1,npoints |
---|
| 591 | threshold(j,ibox)= |
---|
| 592 | & cca(j,ilev)+(1-cca(j,ilev))*ran(j) |
---|
| 593 | enddo |
---|
| 594 | enddo |
---|
| 595 | ENDIF |
---|
| 596 | cIM |
---|
| 597 | c IF (ncolprint.ne.0) then |
---|
| 598 | c write (6,'(a)') 'threshold_nsf2:' |
---|
| 599 | c do j=1,npoints,1000 |
---|
| 600 | c write(6,'(a10)') 'j=' |
---|
| 601 | c write(6,'(8I10)') j |
---|
| 602 | c write (6,'(8f5.2)') (threshold(j,ibox),ibox=1,ncolprint) |
---|
| 603 | c enddo |
---|
| 604 | c ENDIF |
---|
| 605 | ENDIF |
---|
| 606 | |
---|
| 607 | c IF (ncolprint.ne.0) then |
---|
| 608 | c write (6,'(a)') 'ilev:' |
---|
| 609 | c write (6,'(I2)') ilev |
---|
| 610 | c ENDIF |
---|
| 611 | |
---|
| 612 | DO ibox=1,ncol |
---|
| 613 | |
---|
| 614 | ! All versions |
---|
| 615 | do j=1,npoints |
---|
| 616 | if (boxpos(j,ibox).le.cca(j,ilev)) then |
---|
| 617 | cIM REAL maxocc(j,ibox) = 1 |
---|
| 618 | maxocc(j,ibox) = 1.0 |
---|
| 619 | else |
---|
| 620 | cIM REAL maxocc(j,ibox) = 0 |
---|
| 621 | maxocc(j,ibox) = 0.0 |
---|
| 622 | end if |
---|
| 623 | enddo |
---|
| 624 | |
---|
| 625 | ! Max overlap |
---|
| 626 | if (overlap.eq.1) then |
---|
| 627 | do j=1,npoints |
---|
| 628 | threshold_min(j,ibox)=cca(j,ilev) |
---|
| 629 | cIM REAL maxosc(j,ibox)=1 |
---|
| 630 | maxosc(j,ibox)=1.0 |
---|
| 631 | enddo |
---|
| 632 | endif |
---|
| 633 | |
---|
| 634 | ! Random overlap |
---|
| 635 | if (overlap.eq.2) then |
---|
| 636 | do j=1,npoints |
---|
| 637 | threshold_min(j,ibox)=cca(j,ilev) |
---|
| 638 | cIM REAL maxosc(j,ibox)=0 |
---|
| 639 | maxosc(j,ibox)=0.0 |
---|
| 640 | enddo |
---|
| 641 | endif |
---|
| 642 | |
---|
| 643 | ! Max/Random overlap |
---|
| 644 | if (overlap.eq.3) then |
---|
| 645 | do j=1,npoints |
---|
| 646 | threshold_min(j,ibox)=max(cca(j,ilev), |
---|
| 647 | & min(tca(j,ilev-1),tca(j,ilev))) |
---|
| 648 | if (threshold(j,ibox) |
---|
| 649 | & .lt.min(tca(j,ilev-1),tca(j,ilev)) |
---|
| 650 | & .and.(threshold(j,ibox).gt.cca(j,ilev))) then |
---|
| 651 | cIM REAL maxosc(j,ibox)= 1 |
---|
| 652 | maxosc(j,ibox)= 1.0 |
---|
| 653 | else |
---|
| 654 | cIM REAL maxosc(j,ibox)= 0 |
---|
| 655 | maxosc(j,ibox)= 0.0 |
---|
| 656 | end if |
---|
| 657 | enddo |
---|
| 658 | endif |
---|
| 659 | |
---|
| 660 | ! Reset threshold |
---|
| 661 | call ran0_vec(npoints,seed,ran) |
---|
| 662 | |
---|
| 663 | do j=1,npoints |
---|
| 664 | threshold(j,ibox)= |
---|
| 665 | !if max overlapped conv cloud |
---|
| 666 | & maxocc(j,ibox) * ( |
---|
| 667 | & boxpos(j,ibox) |
---|
| 668 | & ) + |
---|
| 669 | !else |
---|
| 670 | & (1-maxocc(j,ibox)) * ( |
---|
| 671 | !if max overlapped strat cloud |
---|
| 672 | & (maxosc(j,ibox)) * ( |
---|
| 673 | !threshold=boxpos |
---|
| 674 | & threshold(j,ibox) |
---|
| 675 | & ) + |
---|
| 676 | !else |
---|
| 677 | & (1-maxosc(j,ibox)) * ( |
---|
| 678 | !threshold_min=random[thrmin,1] |
---|
| 679 | & threshold_min(j,ibox)+ |
---|
| 680 | & (1-threshold_min(j,ibox))*ran(j) |
---|
| 681 | & ) |
---|
| 682 | & ) |
---|
| 683 | enddo |
---|
| 684 | |
---|
| 685 | ENDDO ! ibox |
---|
| 686 | |
---|
| 687 | ! Fill frac_out with 1's where tca is greater than the threshold |
---|
| 688 | |
---|
| 689 | DO ibox=1,ncol |
---|
| 690 | do j=1,npoints |
---|
| 691 | if (tca(j,ilev).gt.threshold(j,ibox)) then |
---|
| 692 | cIM REAL frac_out(j,ibox,ilev)=1 |
---|
| 693 | frac_out(j,ibox,ilev)=1.0 |
---|
| 694 | else |
---|
| 695 | cIM REAL frac_out(j,ibox,ilev)=0 |
---|
| 696 | frac_out(j,ibox,ilev)=0.0 |
---|
| 697 | end if |
---|
| 698 | enddo |
---|
| 699 | ENDDO |
---|
| 700 | |
---|
| 701 | ! Code to partition boxes into startiform and convective parts |
---|
| 702 | ! goes here |
---|
| 703 | |
---|
| 704 | DO ibox=1,ncol |
---|
| 705 | do j=1,npoints |
---|
| 706 | if (threshold(j,ibox).le.cca(j,ilev)) then |
---|
| 707 | ! = 2 IF threshold le cca(j) |
---|
| 708 | cIM REAL frac_out(j,ibox,ilev) = 2 |
---|
| 709 | frac_out(j,ibox,ilev) = 2.0 |
---|
| 710 | else |
---|
| 711 | ! = the same IF NOT threshold le cca(j) |
---|
| 712 | frac_out(j,ibox,ilev) = frac_out(j,ibox,ilev) |
---|
| 713 | end if |
---|
| 714 | enddo |
---|
| 715 | ENDDO |
---|
| 716 | |
---|
| 717 | ! Set last_frac to tca at this level, so as to be tca |
---|
| 718 | ! from last level next time round |
---|
| 719 | |
---|
| 720 | cIM |
---|
| 721 | c if (ncolprint.ne.0) then |
---|
| 722 | |
---|
| 723 | c do j=1,npoints ,1000 |
---|
| 724 | c write(6,'(a10)') 'j=' |
---|
| 725 | c write(6,'(8I10)') j |
---|
| 726 | c write (6,'(a)') 'last_frac:' |
---|
| 727 | c write (6,'(8f5.2)') (tca(j,ilev-1)) |
---|
| 728 | |
---|
| 729 | c write (6,'(a)') 'cca:' |
---|
| 730 | c write (6,'(8f5.2)') (cca(j,ilev),ibox=1,ncolprint) |
---|
| 731 | |
---|
| 732 | c write (6,'(a)') 'max_overlap_cc:' |
---|
| 733 | c write (6,'(8f5.2)') (maxocc(j,ibox),ibox=1,ncolprint) |
---|
| 734 | |
---|
| 735 | c write (6,'(a)') 'max_overlap_sc:' |
---|
| 736 | c write (6,'(8f5.2)') (maxosc(j,ibox),ibox=1,ncolprint) |
---|
| 737 | |
---|
| 738 | c write (6,'(a)') 'threshold_min_nsf2:' |
---|
| 739 | c write (6,'(8f5.2)') (threshold_min(j,ibox),ibox=1,ncolprint) |
---|
| 740 | |
---|
| 741 | c write (6,'(a)') 'threshold_nsf2:' |
---|
| 742 | c write (6,'(8f5.2)') (threshold(j,ibox),ibox=1,ncolprint) |
---|
| 743 | |
---|
| 744 | c write (6,'(a)') 'frac_out_pp_rev:' |
---|
| 745 | c write (6,'(8f5.2)') |
---|
| 746 | c & ((frac_out(j,ibox,ilev2),ibox=1,ncolprint),ilev2=1,nlev) |
---|
| 747 | c enddo |
---|
| 748 | c endif |
---|
| 749 | |
---|
| 750 | 200 CONTINUE !loop over nlev |
---|
| 751 | |
---|
| 752 | ! |
---|
| 753 | ! ---------------------------------------------------! |
---|
| 754 | |
---|
| 755 | |
---|
| 756 | ! |
---|
| 757 | ! ---------------------------------------------------! |
---|
| 758 | ! COMPUTE CLOUD OPTICAL DEPTH FOR EACH COLUMN and |
---|
| 759 | ! put into vector tau |
---|
| 760 | |
---|
| 761 | !initialize tau and albedocld to zero |
---|
| 762 | do 15 ibox=1,ncol |
---|
| 763 | do j=1,npoints |
---|
| 764 | tau(j,ibox)=0. |
---|
| 765 | albedocld(j,ibox)=0. |
---|
| 766 | boxtau(j,ibox)=0. |
---|
| 767 | boxptop(j,ibox)=0. |
---|
| 768 | box_cloudy(j,ibox)=.false. |
---|
| 769 | enddo |
---|
| 770 | 15 continue |
---|
| 771 | |
---|
| 772 | !compute total cloud optical depth for each column |
---|
| 773 | do ilev=1,nlev |
---|
| 774 | !increment tau for each of the boxes |
---|
| 775 | do ibox=1,ncol |
---|
| 776 | do j=1,npoints |
---|
| 777 | cIM REAL if (frac_out(j,ibox,ilev).eq.1) then |
---|
| 778 | if (frac_out(j,ibox,ilev).eq.1.0) then |
---|
| 779 | tau(j,ibox)=tau(j,ibox) |
---|
| 780 | & + dtau_s(j,ilev) |
---|
| 781 | endif |
---|
| 782 | cIM REAL if (frac_out(j,ibox,ilev).eq.2) then |
---|
| 783 | if (frac_out(j,ibox,ilev).eq.2.0) then |
---|
| 784 | tau(j,ibox)=tau(j,ibox) |
---|
| 785 | & + dtau_c(j,ilev) |
---|
| 786 | end if |
---|
| 787 | enddo |
---|
| 788 | enddo ! ibox |
---|
| 789 | enddo ! ilev |
---|
| 790 | cIM |
---|
| 791 | c if (ncolprint.ne.0) then |
---|
| 792 | |
---|
| 793 | c do j=1,npoints ,1000 |
---|
| 794 | c write(6,'(a10)') 'j=' |
---|
| 795 | c write(6,'(8I10)') j |
---|
| 796 | c write(6,'(i2,1X,8(f7.2,1X))') |
---|
| 797 | c & ilev, |
---|
| 798 | c & (tau(j,ibox),ibox=1,ncolprint) |
---|
| 799 | c enddo |
---|
| 800 | c endif |
---|
| 801 | ! |
---|
| 802 | ! ---------------------------------------------------! |
---|
| 803 | |
---|
| 804 | |
---|
| 805 | |
---|
| 806 | ! |
---|
| 807 | ! ---------------------------------------------------! |
---|
| 808 | ! COMPUTE INFRARED BRIGHTNESS TEMPERUATRES |
---|
| 809 | ! AND CLOUD TOP TEMPERATURE SATELLITE SHOULD SEE |
---|
| 810 | ! |
---|
| 811 | ! again this is only done if top_height = 1 or 3 |
---|
| 812 | ! |
---|
| 813 | ! fluxtop is the 10.5 micron radiance at the top of the |
---|
| 814 | ! atmosphere |
---|
| 815 | ! trans_layers_above is the total transmissivity in the layers |
---|
| 816 | ! above the current layer |
---|
| 817 | ! fluxtop_clrsky(j) and trans_layers_above_clrsky(j) are the clear |
---|
| 818 | ! sky versions of these quantities. |
---|
| 819 | |
---|
| 820 | if (top_height .eq. 1 .or. top_height .eq. 3) then |
---|
| 821 | |
---|
| 822 | |
---|
| 823 | !---------------------------------------------------------------------- |
---|
| 824 | ! |
---|
| 825 | ! DO CLEAR SKY RADIANCE CALCULATION FIRST |
---|
| 826 | ! |
---|
| 827 | !compute water vapor continuum emissivity |
---|
| 828 | !this treatment follows Schwarkzopf and Ramasamy |
---|
| 829 | !JGR 1999,vol 104, pages 9467-9499. |
---|
| 830 | !the emissivity is calculated at a wavenumber of 955 cm-1, |
---|
| 831 | !or 10.47 microns |
---|
| 832 | wtmair = 28.9644 |
---|
| 833 | wtmh20 = 18.01534 |
---|
| 834 | Navo = 6.023E+23 |
---|
| 835 | grav = 9.806650E+02 |
---|
| 836 | pstd = 1.013250E+06 |
---|
| 837 | t0 = 296. |
---|
| 838 | cIM |
---|
| 839 | c if (ncolprint .ne. 0) |
---|
| 840 | c & write(6,*) 'ilev pw (kg/m2) tauwv(j) dem_wv' |
---|
| 841 | do 125 ilev=1,nlev |
---|
| 842 | do j=1,npoints |
---|
| 843 | !press and dpress are dyne/cm2 = Pascals *10 |
---|
| 844 | press(j) = pfull(j,ilev)*10. |
---|
| 845 | dpress(j) = (phalf(j,ilev+1)-phalf(j,ilev))*10 |
---|
| 846 | !atmden = g/cm2 = kg/m2 / 10 |
---|
| 847 | atmden(j) = dpress(j)/grav |
---|
| 848 | rvh20(j) = qv(j,ilev)*wtmair/wtmh20 |
---|
| 849 | wk(j) = rvh20(j)*Navo*atmden(j)/wtmair |
---|
| 850 | rhoave(j) = (press(j)/pstd)*(t0/at(j,ilev)) |
---|
| 851 | rh20s(j) = rvh20(j)*rhoave(j) |
---|
| 852 | rfrgn(j) = rhoave(j)-rh20s(j) |
---|
| 853 | tmpexp(j) = exp(-0.02*(at(j,ilev)-t0)) |
---|
| 854 | tauwv(j) = wk(j)*1.e-20*( |
---|
| 855 | & (0.0224697*rh20s(j)*tmpexp(j)) + |
---|
| 856 | & (3.41817e-7*rfrgn(j)) )*0.98 |
---|
| 857 | dem_wv(j,ilev) = 1. - exp( -1. * tauwv(j)) |
---|
| 858 | enddo |
---|
| 859 | cIM |
---|
| 860 | c if (ncolprint .ne. 0) then |
---|
| 861 | c do j=1,npoints ,1000 |
---|
| 862 | c write(6,'(a10)') 'j=' |
---|
| 863 | c write(6,'(8I10)') j |
---|
| 864 | c write(6,'(i2,1X,3(f8.3,3X))') ilev, |
---|
| 865 | c & qv(j,ilev)*(phalf(j,ilev+1)-phalf(j,ilev))/(grav/100.), |
---|
| 866 | c & tauwv(j),dem_wv(j,ilev) |
---|
| 867 | c enddo |
---|
| 868 | c endif |
---|
| 869 | 125 continue |
---|
| 870 | |
---|
| 871 | !initialize variables |
---|
| 872 | do j=1,npoints |
---|
| 873 | fluxtop_clrsky(j) = 0. |
---|
| 874 | trans_layers_above_clrsky(j)=1. |
---|
| 875 | enddo |
---|
| 876 | |
---|
| 877 | do ilev=1,nlev |
---|
| 878 | do j=1,npoints |
---|
| 879 | |
---|
| 880 | ! Black body emission at temperature of the layer |
---|
| 881 | |
---|
| 882 | bb(j)=1 / ( exp(1307.27/at(j,ilev)) - 1. ) |
---|
| 883 | !bb(j)= 5.67e-8*at(j,ilev)**4 |
---|
| 884 | |
---|
| 885 | ! increase TOA flux by flux emitted from layer |
---|
| 886 | ! times total transmittance in layers above |
---|
| 887 | |
---|
| 888 | fluxtop_clrsky(j) = fluxtop_clrsky(j) |
---|
| 889 | & + dem_wv(j,ilev)*bb(j)*trans_layers_above_clrsky(j) |
---|
| 890 | |
---|
| 891 | ! update trans_layers_above with transmissivity |
---|
| 892 | ! from this layer for next time around loop |
---|
| 893 | |
---|
| 894 | trans_layers_above_clrsky(j)= |
---|
| 895 | & trans_layers_above_clrsky(j)*(1.-dem_wv(j,ilev)) |
---|
| 896 | |
---|
| 897 | |
---|
| 898 | enddo |
---|
| 899 | cIM |
---|
| 900 | c if (ncolprint.ne.0) then |
---|
| 901 | c do j=1,npoints ,1000 |
---|
| 902 | c write(6,'(a10)') 'j=' |
---|
| 903 | c write(6,'(8I10)') j |
---|
| 904 | c write (6,'(a)') 'ilev:' |
---|
| 905 | c write (6,'(I2)') ilev |
---|
| 906 | |
---|
| 907 | c write (6,'(a)') |
---|
| 908 | c & 'emiss_layer,100.*bb(j),100.*f,total_trans:' |
---|
| 909 | c write (6,'(4(f7.2,1X))') dem_wv(j,ilev),100.*bb(j), |
---|
| 910 | c & 100.*fluxtop_clrsky(j),trans_layers_above_clrsky(j) |
---|
| 911 | c enddo |
---|
| 912 | c endif |
---|
| 913 | |
---|
| 914 | enddo !loop over level |
---|
| 915 | |
---|
| 916 | do j=1,npoints |
---|
| 917 | !add in surface emission |
---|
| 918 | bb(j)=1/( exp(1307.27/skt(j)) - 1. ) |
---|
| 919 | !bb(j)=5.67e-8*skt(j)**4 |
---|
| 920 | |
---|
| 921 | fluxtop_clrsky(j) = fluxtop_clrsky(j) + emsfc_lw * bb(j) |
---|
| 922 | & * trans_layers_above_clrsky(j) |
---|
| 923 | enddo |
---|
| 924 | |
---|
| 925 | cIM |
---|
| 926 | c if (ncolprint.ne.0) then |
---|
| 927 | c do j=1,npoints ,1000 |
---|
| 928 | c write(6,'(a10)') 'j=' |
---|
| 929 | c write(6,'(8I10)') j |
---|
| 930 | c write (6,'(a)') 'id:' |
---|
| 931 | c write (6,'(a)') 'surface' |
---|
| 932 | |
---|
| 933 | c write (6,'(a)') 'emsfc,100.*bb(j),100.*f,total_trans:' |
---|
| 934 | c write (6,'(4(f7.2,1X))') emsfc_lw,100.*bb(j), |
---|
| 935 | c & 100.*fluxtop_clrsky(j), |
---|
| 936 | c & trans_layers_above_clrsky(j) |
---|
| 937 | c enddo |
---|
| 938 | c endif |
---|
| 939 | |
---|
| 940 | |
---|
| 941 | ! |
---|
| 942 | ! END OF CLEAR SKY CALCULATION |
---|
| 943 | ! |
---|
| 944 | !---------------------------------------------------------------- |
---|
| 945 | |
---|
| 946 | |
---|
| 947 | cIM |
---|
| 948 | c if (ncolprint.ne.0) then |
---|
| 949 | |
---|
| 950 | c do j=1,npoints ,1000 |
---|
| 951 | c write(6,'(a10)') 'j=' |
---|
| 952 | c write(6,'(8I10)') j |
---|
| 953 | c write (6,'(a)') 'ts:' |
---|
| 954 | c write (6,'(8f7.2)') (skt(j),ibox=1,ncolprint) |
---|
| 955 | |
---|
| 956 | c write (6,'(a)') 'ta_rev:' |
---|
| 957 | c write (6,'(8f7.2)') |
---|
| 958 | c & ((at(j,ilev2),ibox=1,ncolprint),ilev2=1,nlev) |
---|
| 959 | |
---|
| 960 | c enddo |
---|
| 961 | c endif |
---|
| 962 | !loop over columns |
---|
| 963 | do ibox=1,ncol |
---|
| 964 | do j=1,npoints |
---|
| 965 | fluxtop(j,ibox)=0. |
---|
| 966 | trans_layers_above(j,ibox)=1. |
---|
| 967 | enddo |
---|
| 968 | enddo |
---|
| 969 | |
---|
| 970 | do ilev=1,nlev |
---|
| 971 | do j=1,npoints |
---|
| 972 | ! Black body emission at temperature of the layer |
---|
| 973 | |
---|
| 974 | bb(j)=1 / ( exp(1307.27/at(j,ilev)) - 1. ) |
---|
| 975 | !bb(j)= 5.67e-8*at(j,ilev)**4 |
---|
| 976 | enddo |
---|
| 977 | |
---|
| 978 | do ibox=1,ncol |
---|
| 979 | do j=1,npoints |
---|
| 980 | |
---|
| 981 | ! emissivity for point in this layer |
---|
| 982 | cIM REAL if (frac_out(j,ibox,ilev).eq.1) then |
---|
| 983 | if (frac_out(j,ibox,ilev).eq.1.0) then |
---|
| 984 | dem(j,ibox)= 1. - |
---|
| 985 | & ( (1. - dem_wv(j,ilev)) * (1. - dem_s(j,ilev)) ) |
---|
| 986 | cIM REAL else if (frac_out(j,ibox,ilev).eq.2) then |
---|
| 987 | else if (frac_out(j,ibox,ilev).eq.2.0) then |
---|
| 988 | dem(j,ibox)= 1. - |
---|
| 989 | & ( (1. - dem_wv(j,ilev)) * (1. - dem_c(j,ilev)) ) |
---|
| 990 | else |
---|
| 991 | dem(j,ibox)= dem_wv(j,ilev) |
---|
| 992 | end if |
---|
| 993 | |
---|
| 994 | |
---|
| 995 | ! increase TOA flux by flux emitted from layer |
---|
| 996 | ! times total transmittance in layers above |
---|
| 997 | |
---|
| 998 | fluxtop(j,ibox) = fluxtop(j,ibox) |
---|
| 999 | & + dem(j,ibox) * bb(j) |
---|
| 1000 | & * trans_layers_above(j,ibox) |
---|
| 1001 | |
---|
| 1002 | ! update trans_layers_above with transmissivity |
---|
| 1003 | ! from this layer for next time around loop |
---|
| 1004 | |
---|
| 1005 | trans_layers_above(j,ibox)= |
---|
| 1006 | & trans_layers_above(j,ibox)*(1.-dem(j,ibox)) |
---|
| 1007 | |
---|
| 1008 | enddo ! j |
---|
| 1009 | enddo ! ibox |
---|
| 1010 | |
---|
| 1011 | cIM |
---|
| 1012 | c if (ncolprint.ne.0) then |
---|
| 1013 | c do j=1,npoints,1000 |
---|
| 1014 | c write (6,'(a)') 'ilev:' |
---|
| 1015 | c write (6,'(I2)') ilev |
---|
| 1016 | |
---|
| 1017 | c write(6,'(a10)') 'j=' |
---|
| 1018 | c write(6,'(8I10)') j |
---|
| 1019 | c write (6,'(a)') 'emiss_layer:' |
---|
| 1020 | c write (6,'(8f7.2)') (dem(j,ibox),ibox=1,ncolprint) |
---|
| 1021 | |
---|
| 1022 | c write (6,'(a)') '100.*bb(j):' |
---|
| 1023 | c write (6,'(8f7.2)') (100.*bb(j),ibox=1,ncolprint) |
---|
| 1024 | |
---|
| 1025 | c write (6,'(a)') '100.*f:' |
---|
| 1026 | c write (6,'(8f7.2)') |
---|
| 1027 | c & (100.*fluxtop(j,ibox),ibox=1,ncolprint) |
---|
| 1028 | |
---|
| 1029 | c write (6,'(a)') 'total_trans:' |
---|
| 1030 | c write (6,'(8f7.2)') |
---|
| 1031 | c & (trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
| 1032 | c enddo |
---|
| 1033 | c endif |
---|
| 1034 | |
---|
| 1035 | enddo ! ilev |
---|
| 1036 | |
---|
| 1037 | |
---|
| 1038 | do j=1,npoints |
---|
| 1039 | !add in surface emission |
---|
| 1040 | bb(j)=1/( exp(1307.27/skt(j)) - 1. ) |
---|
| 1041 | !bb(j)=5.67e-8*skt(j)**4 |
---|
| 1042 | end do |
---|
| 1043 | |
---|
| 1044 | do ibox=1,ncol |
---|
| 1045 | do j=1,npoints |
---|
| 1046 | |
---|
| 1047 | !add in surface emission |
---|
| 1048 | |
---|
| 1049 | fluxtop(j,ibox) = fluxtop(j,ibox) |
---|
| 1050 | & + emsfc_lw * bb(j) |
---|
| 1051 | & * trans_layers_above(j,ibox) |
---|
| 1052 | |
---|
| 1053 | end do |
---|
| 1054 | end do |
---|
| 1055 | |
---|
| 1056 | cIM |
---|
| 1057 | c if (ncolprint.ne.0) then |
---|
| 1058 | |
---|
| 1059 | c do j=1,npoints ,1000 |
---|
| 1060 | c write(6,'(a10)') 'j=' |
---|
| 1061 | c write(6,'(8I10)') j |
---|
| 1062 | c write (6,'(a)') 'id:' |
---|
| 1063 | c write (6,'(a)') 'surface' |
---|
| 1064 | |
---|
| 1065 | c write (6,'(a)') 'emiss_layer:' |
---|
| 1066 | c write (6,'(8f7.2)') (dem(1,ibox),ibox=1,ncolprint) |
---|
| 1067 | |
---|
| 1068 | c write (6,'(a)') '100.*bb(j):' |
---|
| 1069 | c write (6,'(8f7.2)') (100.*bb(j),ibox=1,ncolprint) |
---|
| 1070 | |
---|
| 1071 | c write (6,'(a)') '100.*f:' |
---|
| 1072 | c write (6,'(8f7.2)') (100.*fluxtop(j,ibox),ibox=1,ncolprint) |
---|
| 1073 | c end do |
---|
| 1074 | c endif |
---|
| 1075 | |
---|
| 1076 | !now that you have the top of atmosphere radiance account |
---|
| 1077 | !for ISCCP procedures to determine cloud top temperature |
---|
| 1078 | |
---|
| 1079 | !account for partially transmitting cloud recompute flux |
---|
| 1080 | !ISCCP would see assuming a single layer cloud |
---|
| 1081 | !note choice here of 2.13, as it is primarily ice |
---|
| 1082 | !clouds which have partial emissivity and need the |
---|
| 1083 | !adjustment performed in this section |
---|
| 1084 | ! |
---|
| 1085 | !If it turns out that the cloud brightness temperature |
---|
| 1086 | !is greater than 260K, then the liquid cloud conversion |
---|
| 1087 | !factor of 2.56 is used. |
---|
| 1088 | ! |
---|
| 1089 | !Note that this is discussed on pages 85-87 of |
---|
| 1090 | !the ISCCP D level documentation (Rossow et al. 1996) |
---|
| 1091 | |
---|
| 1092 | do j=1,npoints |
---|
| 1093 | !compute minimum brightness temperature and optical depth |
---|
| 1094 | btcmin(j) = 1. / ( exp(1307.27/(attrop(j)-5.)) - 1. ) |
---|
| 1095 | enddo |
---|
| 1096 | do ibox=1,ncol |
---|
| 1097 | do j=1,npoints |
---|
| 1098 | transmax(j) = (fluxtop(j,ibox)-btcmin(j)) |
---|
| 1099 | & /(fluxtop_clrsky(j)-btcmin(j)) |
---|
| 1100 | !note that the initial setting of tauir(j) is needed so that |
---|
| 1101 | !tauir(j) has a realistic value should the next if block be |
---|
| 1102 | !bypassed |
---|
| 1103 | tauir(j) = tau(j,ibox) * rec2p13 |
---|
| 1104 | taumin(j) = -1. * log(max(min(transmax(j),0.9999999),0.001)) |
---|
| 1105 | |
---|
| 1106 | enddo |
---|
| 1107 | |
---|
| 1108 | if (top_height .eq. 1) then |
---|
| 1109 | do j=1,npoints |
---|
| 1110 | if (transmax(j) .gt. 0.001 .and. |
---|
| 1111 | & transmax(j) .le. 0.9999999) then |
---|
| 1112 | fluxtopinit(j) = fluxtop(j,ibox) |
---|
| 1113 | tauir(j) = tau(j,ibox) *rec2p13 |
---|
| 1114 | endif |
---|
| 1115 | enddo |
---|
| 1116 | do icycle=1,2 |
---|
| 1117 | do j=1,npoints |
---|
| 1118 | if (tau(j,ibox) .gt. (tauchk )) then |
---|
| 1119 | if (transmax(j) .gt. 0.001 .and. |
---|
| 1120 | & transmax(j) .le. 0.9999999) then |
---|
| 1121 | emcld(j,ibox) = 1. - exp(-1. * tauir(j) ) |
---|
| 1122 | fluxtop(j,ibox) = fluxtopinit(j) - |
---|
| 1123 | & ((1.-emcld(j,ibox))*fluxtop_clrsky(j)) |
---|
| 1124 | fluxtop(j,ibox)=max(1.E-06, |
---|
| 1125 | & (fluxtop(j,ibox)/emcld(j,ibox))) |
---|
| 1126 | tb(j,ibox)= 1307.27 |
---|
| 1127 | & / (log(1. + (1./fluxtop(j,ibox)))) |
---|
| 1128 | if (tb(j,ibox) .gt. 260.) then |
---|
| 1129 | tauir(j) = tau(j,ibox) / 2.56 |
---|
| 1130 | end if |
---|
| 1131 | end if |
---|
| 1132 | end if |
---|
| 1133 | enddo |
---|
| 1134 | enddo |
---|
| 1135 | |
---|
| 1136 | endif |
---|
| 1137 | |
---|
| 1138 | do j=1,npoints |
---|
| 1139 | if (tau(j,ibox) .gt. (tauchk )) then |
---|
| 1140 | !cloudy box |
---|
| 1141 | tb(j,ibox)= 1307.27/ (log(1. + (1./fluxtop(j,ibox)))) |
---|
| 1142 | if (top_height.eq.1.and.tauir(j).lt.taumin(j)) then |
---|
| 1143 | tb(j,ibox) = attrop(j) - 5. |
---|
| 1144 | tau(j,ibox) = 2.13*taumin(j) |
---|
| 1145 | end if |
---|
| 1146 | else |
---|
| 1147 | !clear sky brightness temperature |
---|
| 1148 | tb(j,ibox) = 1307.27/(log(1.+(1./fluxtop_clrsky(j)))) |
---|
| 1149 | end if |
---|
| 1150 | enddo ! j |
---|
| 1151 | enddo ! ibox |
---|
| 1152 | |
---|
| 1153 | cIM |
---|
| 1154 | c if (ncolprint.ne.0) then |
---|
| 1155 | |
---|
| 1156 | c do j=1,npoints,1000 |
---|
| 1157 | c write(6,'(a10)') 'j=' |
---|
| 1158 | c write(6,'(8I10)') j |
---|
| 1159 | |
---|
| 1160 | c write (6,'(a)') 'attrop:' |
---|
| 1161 | c write (6,'(8f7.2)') (attrop(j)) |
---|
| 1162 | |
---|
| 1163 | c write (6,'(a)') 'btcmin:' |
---|
| 1164 | c write (6,'(8f7.2)') (btcmin(j)) |
---|
| 1165 | |
---|
| 1166 | c write (6,'(a)') 'fluxtop_clrsky*100:' |
---|
| 1167 | c write (6,'(8f7.2)') |
---|
| 1168 | c & (100.*fluxtop_clrsky(j)) |
---|
| 1169 | |
---|
| 1170 | c write (6,'(a)') '100.*f_adj:' |
---|
| 1171 | c write (6,'(8f7.2)') (100.*fluxtop(j,ibox),ibox=1,ncolprint) |
---|
| 1172 | |
---|
| 1173 | c write (6,'(a)') 'transmax:' |
---|
| 1174 | c write (6,'(8f7.2)') (transmax(ibox),ibox=1,ncolprint) |
---|
| 1175 | |
---|
| 1176 | c write (6,'(a)') 'tau:' |
---|
| 1177 | c write (6,'(8f7.2)') (tau(j,ibox),ibox=1,ncolprint) |
---|
| 1178 | |
---|
| 1179 | c write (6,'(a)') 'emcld:' |
---|
| 1180 | c write (6,'(8f7.2)') (emcld(j,ibox),ibox=1,ncolprint) |
---|
| 1181 | |
---|
| 1182 | c write (6,'(a)') 'total_trans:' |
---|
| 1183 | c write (6,'(8f7.2)') |
---|
| 1184 | c & (trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
| 1185 | |
---|
| 1186 | c write (6,'(a)') 'total_emiss:' |
---|
| 1187 | c write (6,'(8f7.2)') |
---|
| 1188 | c & (1.0-trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
| 1189 | |
---|
| 1190 | c write (6,'(a)') 'total_trans:' |
---|
| 1191 | c write (6,'(8f7.2)') |
---|
| 1192 | c & (trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
| 1193 | |
---|
| 1194 | c write (6,'(a)') 'ppout:' |
---|
| 1195 | c write (6,'(8f7.2)') (tb(j,ibox),ibox=1,ncolprint) |
---|
| 1196 | c enddo ! j |
---|
| 1197 | c endif |
---|
| 1198 | |
---|
| 1199 | end if |
---|
| 1200 | |
---|
| 1201 | ! ---------------------------------------------------! |
---|
| 1202 | |
---|
| 1203 | ! |
---|
| 1204 | ! ---------------------------------------------------! |
---|
| 1205 | ! DETERMINE CLOUD TOP PRESSURE |
---|
| 1206 | ! |
---|
| 1207 | ! again the 2 methods differ according to whether |
---|
| 1208 | ! or not you use the physical cloud top pressure (top_height = 2) |
---|
| 1209 | ! or the radiatively determined cloud top pressure (top_height = 1 or 3) |
---|
| 1210 | ! |
---|
| 1211 | |
---|
| 1212 | !compute cloud top pressure |
---|
| 1213 | do 30 ibox=1,ncol |
---|
| 1214 | !segregate according to optical thickness |
---|
| 1215 | if (top_height .eq. 1 .or. top_height .eq. 3) then |
---|
| 1216 | !find level whose temperature |
---|
| 1217 | !most closely matches brightness temperature |
---|
| 1218 | do j=1,npoints |
---|
| 1219 | nmatch(j)=0 |
---|
| 1220 | enddo |
---|
| 1221 | do 29 ilev=1,nlev-1 |
---|
| 1222 | !cdir nodep |
---|
| 1223 | do j=1,npoints |
---|
| 1224 | if ((at(j,ilev) .ge. tb(j,ibox) .and. |
---|
| 1225 | & at(j,ilev+1) .lt. tb(j,ibox)) .or. |
---|
| 1226 | & (at(j,ilev) .le. tb(j,ibox) .and. |
---|
| 1227 | & at(j,ilev+1) .gt. tb(j,ibox))) then |
---|
| 1228 | |
---|
| 1229 | nmatch(j)=nmatch(j)+1 |
---|
| 1230 | if(abs(at(j,ilev)-tb(j,ibox)) .lt. |
---|
| 1231 | & abs(at(j,ilev+1)-tb(j,ibox))) then |
---|
| 1232 | match(j,nmatch(j))=ilev |
---|
| 1233 | else |
---|
| 1234 | match(j,nmatch(j))=ilev+1 |
---|
| 1235 | end if |
---|
| 1236 | end if |
---|
| 1237 | enddo |
---|
| 1238 | 29 continue |
---|
| 1239 | |
---|
| 1240 | do j=1,npoints |
---|
| 1241 | if (nmatch(j) .ge. 1) then |
---|
| 1242 | ptop(j,ibox)=pfull(j,match(j,nmatch(j))) |
---|
| 1243 | levmatch(j,ibox)=match(j,nmatch(j)) |
---|
| 1244 | else |
---|
| 1245 | if (tb(j,ibox) .lt. atmin(j)) then |
---|
| 1246 | ptop(j,ibox)=ptrop(j) |
---|
| 1247 | levmatch(j,ibox)=itrop(j) |
---|
| 1248 | end if |
---|
| 1249 | if (tb(j,ibox) .gt. atmax(j)) then |
---|
| 1250 | ptop(j,ibox)=pfull(j,nlev) |
---|
| 1251 | levmatch(j,ibox)=nlev |
---|
| 1252 | end if |
---|
| 1253 | end if |
---|
| 1254 | enddo ! j |
---|
| 1255 | |
---|
| 1256 | else ! if (top_height .eq. 1 .or. top_height .eq. 3) |
---|
| 1257 | |
---|
| 1258 | do j=1,npoints |
---|
| 1259 | ptop(j,ibox)=0. |
---|
| 1260 | enddo |
---|
| 1261 | do ilev=1,nlev |
---|
| 1262 | do j=1,npoints |
---|
| 1263 | if ((ptop(j,ibox) .eq. 0. ) |
---|
| 1264 | cIM & .and.(frac_out(j,ibox,ilev) .ne. 0)) then |
---|
| 1265 | & .and.(frac_out(j,ibox,ilev) .ne. 0.0)) then |
---|
| 1266 | ptop(j,ibox)=pfull(j,ilev) |
---|
| 1267 | levmatch(j,ibox)=ilev |
---|
| 1268 | end if |
---|
| 1269 | end do |
---|
| 1270 | end do |
---|
| 1271 | end if |
---|
| 1272 | |
---|
| 1273 | do j=1,npoints |
---|
| 1274 | if (tau(j,ibox) .le. (tauchk )) then |
---|
| 1275 | ptop(j,ibox)=0. |
---|
| 1276 | levmatch(j,ibox)=0 |
---|
| 1277 | endif |
---|
| 1278 | enddo |
---|
| 1279 | |
---|
| 1280 | 30 continue |
---|
| 1281 | |
---|
| 1282 | ! |
---|
| 1283 | ! |
---|
| 1284 | ! ---------------------------------------------------! |
---|
| 1285 | |
---|
| 1286 | |
---|
| 1287 | ! |
---|
| 1288 | ! ---------------------------------------------------! |
---|
| 1289 | ! DETERMINE ISCCP CLOUD TYPE FREQUENCIES |
---|
| 1290 | ! |
---|
| 1291 | ! Now that ptop and tau have been determined, |
---|
| 1292 | ! determine amount of each of the 49 ISCCP cloud |
---|
| 1293 | ! types |
---|
| 1294 | ! |
---|
| 1295 | ! Also compute grid box mean cloud top pressure and |
---|
| 1296 | ! optical thickness. The mean cloud top pressure and |
---|
| 1297 | ! optical thickness are averages over the cloudy |
---|
| 1298 | ! area only. The mean cloud top pressure is a linear |
---|
| 1299 | ! average of the cloud top pressures. The mean cloud |
---|
| 1300 | ! optical thickness is computed by converting optical |
---|
| 1301 | ! thickness to an albedo, averaging in albedo units, |
---|
| 1302 | ! then converting the average albedo back to a mean |
---|
| 1303 | ! optical thickness. |
---|
| 1304 | ! |
---|
| 1305 | |
---|
| 1306 | !compute isccp frequencies |
---|
| 1307 | |
---|
| 1308 | !reset frequencies |
---|
| 1309 | do 38 ilev=1,7 |
---|
| 1310 | do 38 ilev2=1,7 |
---|
| 1311 | do j=1,npoints ! |
---|
| 1312 | fq_isccp(j,ilev,ilev2)=0. |
---|
| 1313 | enddo |
---|
| 1314 | 38 continue |
---|
| 1315 | |
---|
| 1316 | !reset variables need for averaging cloud properties |
---|
| 1317 | do j=1,npoints |
---|
| 1318 | totalcldarea(j) = 0. |
---|
| 1319 | meanalbedocld(j) = 0. |
---|
| 1320 | meanptop(j) = 0. |
---|
| 1321 | meantaucld(j) = 0. |
---|
| 1322 | enddo ! j |
---|
| 1323 | |
---|
| 1324 | boxarea = 1./real(ncol) |
---|
| 1325 | |
---|
| 1326 | !determine optical depth category |
---|
| 1327 | cIM do 39 j=1,npoints |
---|
| 1328 | cIM do ibox=1,ncol |
---|
| 1329 | do 39 ibox=1,ncol |
---|
| 1330 | do j=1,npoints |
---|
| 1331 | |
---|
| 1332 | cIM |
---|
| 1333 | c CALL CPU_time(t1) |
---|
| 1334 | cIM |
---|
| 1335 | |
---|
| 1336 | if (tau(j,ibox) .gt. (tauchk ) |
---|
| 1337 | & .and. ptop(j,ibox) .gt. 0.) then |
---|
| 1338 | box_cloudy(j,ibox)=.true. |
---|
| 1339 | endif |
---|
| 1340 | |
---|
| 1341 | cIM |
---|
| 1342 | c CALL CPU_time(t2) |
---|
| 1343 | c print*,'IF tau t2 - t1',t2 - t1 |
---|
| 1344 | |
---|
| 1345 | c CALL CPU_time(t1) |
---|
| 1346 | cIM |
---|
| 1347 | |
---|
| 1348 | if (box_cloudy(j,ibox)) then |
---|
| 1349 | |
---|
| 1350 | ! totalcldarea always diagnosed day or night |
---|
| 1351 | totalcldarea(j) = totalcldarea(j) + boxarea |
---|
| 1352 | |
---|
| 1353 | if (sunlit(j).eq.1) then |
---|
| 1354 | |
---|
| 1355 | ! tau diagnostics only with sunlight |
---|
| 1356 | |
---|
| 1357 | boxtau(j,ibox) = tau(j,ibox) |
---|
| 1358 | |
---|
| 1359 | !convert optical thickness to albedo |
---|
| 1360 | albedocld(j,ibox) |
---|
| 1361 | & =real(invtau(min(nint(100.*tau(j,ibox)),45000))) |
---|
| 1362 | |
---|
| 1363 | !contribute to averaging |
---|
| 1364 | meanalbedocld(j) = meanalbedocld(j) |
---|
| 1365 | & +albedocld(j,ibox)*boxarea |
---|
| 1366 | |
---|
| 1367 | endif |
---|
| 1368 | |
---|
| 1369 | endif |
---|
| 1370 | |
---|
| 1371 | cIM |
---|
| 1372 | c CALL CPU_time(t2) |
---|
| 1373 | c print*,'IF box_cloudy t2 - t1',t2 - t1 |
---|
| 1374 | |
---|
| 1375 | c CALL CPU_time(t1) |
---|
| 1376 | cIM BEG |
---|
| 1377 | cIM !convert ptop to millibars |
---|
| 1378 | ptop(j,ibox)=ptop(j,ibox) / 100. |
---|
| 1379 | |
---|
| 1380 | cIM !save for output cloud top pressure and optical thickness |
---|
| 1381 | boxptop(j,ibox) = ptop(j,ibox) |
---|
| 1382 | cIM END |
---|
| 1383 | |
---|
| 1384 | cIM BEG |
---|
| 1385 | !reset itau(j), ipres(j) |
---|
| 1386 | itau(j) = 0 |
---|
| 1387 | ipres(j) = 0 |
---|
| 1388 | |
---|
| 1389 | if (tau(j,ibox) .lt. isccp_taumin) then |
---|
| 1390 | itau(j)=1 |
---|
| 1391 | else if (tau(j,ibox) .ge. isccp_taumin |
---|
| 1392 | & |
---|
| 1393 | & .and. tau(j,ibox) .lt. 1.3) then |
---|
| 1394 | itau(j)=2 |
---|
| 1395 | else if (tau(j,ibox) .ge. 1.3 |
---|
| 1396 | & .and. tau(j,ibox) .lt. 3.6) then |
---|
| 1397 | itau(j)=3 |
---|
| 1398 | else if (tau(j,ibox) .ge. 3.6 |
---|
| 1399 | & .and. tau(j,ibox) .lt. 9.4) then |
---|
| 1400 | itau(j)=4 |
---|
| 1401 | else if (tau(j,ibox) .ge. 9.4 |
---|
| 1402 | & .and. tau(j,ibox) .lt. 23.) then |
---|
| 1403 | itau(j)=5 |
---|
| 1404 | else if (tau(j,ibox) .ge. 23. |
---|
| 1405 | & .and. tau(j,ibox) .lt. 60.) then |
---|
| 1406 | itau(j)=6 |
---|
| 1407 | else if (tau(j,ibox) .ge. 60.) then |
---|
| 1408 | itau(j)=7 |
---|
| 1409 | end if |
---|
| 1410 | |
---|
| 1411 | !determine cloud top pressure category |
---|
| 1412 | if ( ptop(j,ibox) .gt. 0. |
---|
| 1413 | & .and.ptop(j,ibox) .lt. 180.) then |
---|
| 1414 | ipres(j)=1 |
---|
| 1415 | else if(ptop(j,ibox) .ge. 180. |
---|
| 1416 | & .and.ptop(j,ibox) .lt. 310.) then |
---|
| 1417 | ipres(j)=2 |
---|
| 1418 | else if(ptop(j,ibox) .ge. 310. |
---|
| 1419 | & .and.ptop(j,ibox) .lt. 440.) then |
---|
| 1420 | ipres(j)=3 |
---|
| 1421 | else if(ptop(j,ibox) .ge. 440. |
---|
| 1422 | & .and.ptop(j,ibox) .lt. 560.) then |
---|
| 1423 | ipres(j)=4 |
---|
| 1424 | else if(ptop(j,ibox) .ge. 560. |
---|
| 1425 | & .and.ptop(j,ibox) .lt. 680.) then |
---|
| 1426 | ipres(j)=5 |
---|
| 1427 | else if(ptop(j,ibox) .ge. 680. |
---|
| 1428 | & .and.ptop(j,ibox) .lt. 800.) then |
---|
| 1429 | ipres(j)=6 |
---|
| 1430 | else if(ptop(j,ibox) .ge. 800.) then |
---|
| 1431 | ipres(j)=7 |
---|
| 1432 | end if |
---|
| 1433 | cIM END |
---|
| 1434 | |
---|
| 1435 | if (sunlit(j).eq.1 .or. top_height .eq. 3) then |
---|
| 1436 | |
---|
| 1437 | cIM !convert ptop to millibars |
---|
| 1438 | cIM ptop(j,ibox)=ptop(j,ibox) / 100. |
---|
| 1439 | |
---|
| 1440 | cIM !save for output cloud top pressure and optical thickness |
---|
| 1441 | cIM boxptop(j,ibox) = ptop(j,ibox) |
---|
| 1442 | |
---|
| 1443 | if (box_cloudy(j,ibox)) then |
---|
| 1444 | |
---|
| 1445 | meanptop(j) = meanptop(j) + ptop(j,ibox)*boxarea |
---|
| 1446 | |
---|
| 1447 | cIM !reset itau(j), ipres(j) |
---|
| 1448 | cIM itau(j) = 0 |
---|
| 1449 | cIM ipres(j) = 0 |
---|
| 1450 | |
---|
| 1451 | c if (tau(j,ibox) .lt. isccp_taumin) then |
---|
| 1452 | c itau(j)=1 |
---|
| 1453 | c else if (tau(j,ibox) .ge. isccp_taumin |
---|
| 1454 | c & |
---|
| 1455 | c & .and. tau(j,ibox) .lt. 1.3) then |
---|
| 1456 | c itau(j)=2 |
---|
| 1457 | c else if (tau(j,ibox) .ge. 1.3 |
---|
| 1458 | c & .and. tau(j,ibox) .lt. 3.6) then |
---|
| 1459 | c itau(j)=3 |
---|
| 1460 | c else if (tau(j,ibox) .ge. 3.6 |
---|
| 1461 | c & .and. tau(j,ibox) .lt. 9.4) then |
---|
| 1462 | c itau(j)=4 |
---|
| 1463 | c else if (tau(j,ibox) .ge. 9.4 |
---|
| 1464 | c & .and. tau(j,ibox) .lt. 23.) then |
---|
| 1465 | c itau(j)=5 |
---|
| 1466 | c else if (tau(j,ibox) .ge. 23. |
---|
| 1467 | c & .and. tau(j,ibox) .lt. 60.) then |
---|
| 1468 | c itau(j)=6 |
---|
| 1469 | c else if (tau(j,ibox) .ge. 60.) then |
---|
| 1470 | c itau(j)=7 |
---|
| 1471 | c end if |
---|
| 1472 | |
---|
| 1473 | c !determine cloud top pressure category |
---|
| 1474 | c if ( ptop(j,ibox) .gt. 0. |
---|
| 1475 | c & .and.ptop(j,ibox) .lt. 180.) then |
---|
| 1476 | c ipres(j)=1 |
---|
| 1477 | c else if(ptop(j,ibox) .ge. 180. |
---|
| 1478 | c & .and.ptop(j,ibox) .lt. 310.) then |
---|
| 1479 | c ipres(j)=2 |
---|
| 1480 | c else if(ptop(j,ibox) .ge. 310. |
---|
| 1481 | c & .and.ptop(j,ibox) .lt. 440.) then |
---|
| 1482 | c ipres(j)=3 |
---|
| 1483 | c else if(ptop(j,ibox) .ge. 440. |
---|
| 1484 | c & .and.ptop(j,ibox) .lt. 560.) then |
---|
| 1485 | c ipres(j)=4 |
---|
| 1486 | c else if(ptop(j,ibox) .ge. 560. |
---|
| 1487 | c & .and.ptop(j,ibox) .lt. 680.) then |
---|
| 1488 | c ipres(j)=5 |
---|
| 1489 | c else if(ptop(j,ibox) .ge. 680. |
---|
| 1490 | c & .and.ptop(j,ibox) .lt. 800.) then |
---|
| 1491 | c ipres(j)=6 |
---|
| 1492 | c else if(ptop(j,ibox) .ge. 800.) then |
---|
| 1493 | c ipres(j)=7 |
---|
| 1494 | c end if |
---|
| 1495 | |
---|
| 1496 | !update frequencies |
---|
| 1497 | if(ipres(j) .gt. 0.and.itau(j) .gt. 0) then |
---|
| 1498 | fq_isccp(j,itau(j),ipres(j))= |
---|
| 1499 | & fq_isccp(j,itau(j),ipres(j))+ boxarea |
---|
| 1500 | end if |
---|
| 1501 | |
---|
| 1502 | cIM calcul stats regime dynamique BEG |
---|
| 1503 | ! iw(j) = int((w(j)-wmin)/pas_w) +1 |
---|
| 1504 | ! pctj(itau(j),ipres(j),iw(j))=.FALSE. |
---|
| 1505 | ! !update frequencies W500 |
---|
| 1506 | ! if (pct_ocean(j)) then |
---|
| 1507 | ! if (ipres(j) .gt. 0.and.itau(j) .gt. 0) then |
---|
| 1508 | ! if (iw(j) .gt. int(wmin).and.iw(j) .le. iwmx) then |
---|
| 1509 | c print*,' ISCCP iw=',iw(j),j |
---|
| 1510 | ! fq_dynreg(itau(j),ipres(j),iw(j))= |
---|
| 1511 | ! & fq_dynreg(itau(j),ipres(j),iw(j))+ |
---|
| 1512 | ! & boxarea |
---|
| 1513 | c & fq_isccp(j,itau(j),ipres(j)) |
---|
| 1514 | ! pctj(itau(j),ipres(j),iw(j))=.TRUE. |
---|
| 1515 | c nfq_dynreg(itau(j),ipres(j),iw(j))= |
---|
| 1516 | c & nfq_dynreg(itau(j),ipres(j),iw(j))+1. |
---|
| 1517 | ! end if |
---|
| 1518 | ! end if |
---|
| 1519 | ! end if |
---|
| 1520 | cIM calcul stats regime dynamique END |
---|
| 1521 | end if !IM boxcloudy |
---|
| 1522 | |
---|
| 1523 | end if !IM sunlit |
---|
| 1524 | |
---|
| 1525 | cIM |
---|
| 1526 | c CALL CPU_time(t2) |
---|
| 1527 | c print*,'IF sunlit boxcloudy t2 - t1',t2 - t1 |
---|
| 1528 | cIM |
---|
| 1529 | enddo !IM ibox/j |
---|
| 1530 | |
---|
| 1531 | |
---|
| 1532 | cIM ajout stats s/ W500 BEG |
---|
| 1533 | cIM ajout stats s/ W500 END |
---|
| 1534 | |
---|
| 1535 | c if(j.EQ.6722) then |
---|
| 1536 | c print*,' ISCCP',w(j),iw(j),ipres(j),itau(j) |
---|
| 1537 | c endif |
---|
| 1538 | |
---|
| 1539 | ! if (pct_ocean(j)) then |
---|
| 1540 | ! if (ipres(j) .gt. 0.and.itau(j) .gt. 0) then |
---|
| 1541 | ! if (iw(j) .gt. int(wmin).and.iw(j) .le. iwmx) then |
---|
| 1542 | ! if(pctj(itau(j),ipres(j),iw(j))) THEN |
---|
| 1543 | ! nfq_dynreg(itau(j),ipres(j),iw(j))= |
---|
| 1544 | ! & nfq_dynreg(itau(j),ipres(j),iw(j))+1. |
---|
| 1545 | c if(itau(j).EQ.4.AND.ipres(j).EQ.2.AND. |
---|
| 1546 | c & iw(j).EQ.10) then |
---|
| 1547 | c PRINT*,' isccp AVANT', |
---|
| 1548 | c & nfq_dynreg(itau(j),ipres(j),iw(j)), |
---|
| 1549 | c & fq_dynreg(itau(j),ipres(j),iw(j)) |
---|
| 1550 | c endif |
---|
| 1551 | ! endif |
---|
| 1552 | ! endif |
---|
| 1553 | ! endif |
---|
| 1554 | ! endif |
---|
| 1555 | 39 continue !IM j/ibox |
---|
| 1556 | |
---|
| 1557 | !compute mean cloud properties |
---|
| 1558 | do j=1,npoints |
---|
| 1559 | if (totalcldarea(j) .gt. 0.) then |
---|
| 1560 | meanptop(j) = meanptop(j) / totalcldarea(j) |
---|
| 1561 | if (sunlit(j).eq.1) then |
---|
| 1562 | meanalbedocld(j) = meanalbedocld(j) / totalcldarea(j) |
---|
| 1563 | meantaucld(j) = tautab(min(255,max(1,nint(meanalbedocld(j))))) |
---|
| 1564 | end if |
---|
| 1565 | end if |
---|
| 1566 | enddo ! j |
---|
| 1567 | ! |
---|
| 1568 | cIM ajout stats s/ W500 BEG |
---|
| 1569 | ! do nw = 1, iwmx |
---|
| 1570 | ! do l = 1, 7 |
---|
| 1571 | ! do k = 1, 7 |
---|
| 1572 | ! if (nfq_dynreg(k,l,nw).GT.0.) then |
---|
| 1573 | ! fq_dynreg(k,l,nw) = fq_dynreg(k,l,nw)/nfq_dynreg(k,l,nw) |
---|
| 1574 | c if(k.EQ.4.AND.l.EQ.2.AND.nw.EQ.10) then |
---|
| 1575 | c print*,' isccp APRES',nfq_dynreg(k,l,nw), |
---|
| 1576 | c & fq_dynreg(k,l,nw) |
---|
| 1577 | c endif |
---|
| 1578 | ! else |
---|
| 1579 | ! if(fq_dynreg(k,l,nw).NE.0.) then |
---|
| 1580 | ! print*,'nfq_dynreg = 0 tau,pc,nw',k,l,nw,fq_dynreg(k,l,nw) |
---|
| 1581 | ! endif |
---|
| 1582 | c fq_dynreg(k,l,nw) = -1.E+20 |
---|
| 1583 | c nfq_dynreg(k,l,nw) = 1.E+20 |
---|
| 1584 | ! end if |
---|
| 1585 | ! enddo !k |
---|
| 1586 | ! enddo !l |
---|
| 1587 | ! enddo !nw |
---|
| 1588 | cIM ajout stats s/ W500 END |
---|
| 1589 | ! ---------------------------------------------------! |
---|
| 1590 | |
---|
| 1591 | ! ---------------------------------------------------! |
---|
| 1592 | ! OPTIONAL PRINTOUT OF DATA TO CHECK PROGRAM |
---|
| 1593 | ! |
---|
| 1594 | !cIM |
---|
| 1595 | c if (debugcol.ne.0) then |
---|
| 1596 | ! |
---|
| 1597 | c do j=1,npoints,debugcol |
---|
| 1598 | |
---|
| 1599 | c !produce character output |
---|
| 1600 | c do ilev=1,nlev |
---|
| 1601 | c do ibox=1,ncol |
---|
| 1602 | c acc(ilev,ibox)=0 |
---|
| 1603 | c enddo |
---|
| 1604 | c enddo |
---|
| 1605 | |
---|
| 1606 | c do ilev=1,nlev |
---|
| 1607 | c do ibox=1,ncol |
---|
| 1608 | c acc(ilev,ibox)=frac_out(j,ibox,ilev)*2 |
---|
| 1609 | c if (levmatch(j,ibox) .eq. ilev) |
---|
| 1610 | c & acc(ilev,ibox)=acc(ilev,ibox)+1 |
---|
| 1611 | c enddo |
---|
| 1612 | c enddo |
---|
| 1613 | |
---|
| 1614 | !print test |
---|
| 1615 | |
---|
| 1616 | c write(ftn09,11) j |
---|
| 1617 | c11 format('ftn09.',i4.4) |
---|
| 1618 | c open(9, FILE=ftn09, FORM='FORMATTED') |
---|
| 1619 | |
---|
| 1620 | c write(9,'(a1)') ' ' |
---|
| 1621 | c write(9,'(10i5)') |
---|
| 1622 | c & (ilev,ilev=5,nlev,5) |
---|
| 1623 | c write(9,'(a1)') ' ' |
---|
| 1624 | |
---|
| 1625 | c do ibox=1,ncol |
---|
| 1626 | c write(9,'(40(a1),1x,40(a1))') |
---|
| 1627 | c & (cchar_realtops(acc(ilev,ibox)+1),ilev=1,nlev) |
---|
| 1628 | c & ,(cchar(acc(ilev,ibox)+1),ilev=1,nlev) |
---|
| 1629 | c end do |
---|
| 1630 | c close(9) |
---|
| 1631 | c |
---|
| 1632 | cIM |
---|
| 1633 | c if (ncolprint.ne.0) then |
---|
| 1634 | c write(6,'(a1)') ' ' |
---|
| 1635 | c write(6,'(a2,1X,5(a7,1X),a50)') |
---|
| 1636 | c & 'ilev', |
---|
| 1637 | c & 'pfull','at', |
---|
| 1638 | c & 'cc*100','dem_s','dtau_s', |
---|
| 1639 | c & 'cchar' |
---|
| 1640 | |
---|
| 1641 | ! do 4012 ilev=1,nlev |
---|
| 1642 | ! write(6,'(60i2)') (box(i,ilev),i=1,ncolprint) |
---|
| 1643 | ! write(6,'(i2,1X,5(f7.2,1X),50(a1))') |
---|
| 1644 | ! & ilev, |
---|
| 1645 | ! & pfull(j,ilev)/100.,at(j,ilev), |
---|
| 1646 | ! & cc(j,ilev)*100.0,dem_s(j,ilev),dtau_s(j,ilev) |
---|
| 1647 | ! & ,(cchar(acc(ilev,ibox)+1),ibox=1,ncolprint) |
---|
| 1648 | !4012 continue |
---|
| 1649 | c write (6,'(a)') 'skt(j):' |
---|
| 1650 | c write (6,'(8f7.2)') skt(j) |
---|
| 1651 | |
---|
| 1652 | c write (6,'(8I7)') (ibox,ibox=1,ncolprint) |
---|
| 1653 | |
---|
| 1654 | c write (6,'(a)') 'tau:' |
---|
| 1655 | c write (6,'(8f7.2)') (tau(j,ibox),ibox=1,ncolprint) |
---|
| 1656 | |
---|
| 1657 | c write (6,'(a)') 'tb:' |
---|
| 1658 | c write (6,'(8f7.2)') (tb(j,ibox),ibox=1,ncolprint) |
---|
| 1659 | |
---|
| 1660 | c write (6,'(a)') 'ptop:' |
---|
| 1661 | c write (6,'(8f7.2)') (ptop(j,ibox),ibox=1,ncolprint) |
---|
| 1662 | c endif |
---|
| 1663 | |
---|
| 1664 | c enddo |
---|
| 1665 | |
---|
| 1666 | c end if |
---|
| 1667 | |
---|
| 1668 | return |
---|
| 1669 | end |
---|