[1992] | 1 | |
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[1344] | 2 | ! $Id $ |
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[524] | 3 | |
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[1992] | 4 | SUBROUTINE isccp_cloud_types(debug, debugcol, npoints, sunlit, nlev, ncol, & |
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| 5 | seed, pfull, phalf, qv, cc, conv, dtau_s, dtau_c, top_height, overlap, & |
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| 6 | tautab, invtau, skt, emsfc_lw, at, dem_s, dem_c, fq_isccp, totalcldarea, & |
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| 7 | meanptop, meantaucld, boxtau, boxptop) |
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[524] | 8 | |
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| 9 | |
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[1992] | 10 | ! Copyright Steve Klein and Mark Webb 2002 - all rights reserved. |
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[524] | 11 | |
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[1992] | 12 | ! This code is available without charge with the following conditions: |
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[524] | 13 | |
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[1992] | 14 | ! 1. The code is available for scientific purposes and is not for |
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| 15 | ! commercial use. |
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| 16 | ! 2. Any improvements you make to the code should be made available |
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| 17 | ! to the to the authors for incorporation into a future release. |
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| 18 | ! 3. The code should not be used in any way that brings the authors |
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| 19 | ! or their employers into disrepute. |
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[524] | 20 | |
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[1992] | 21 | IMPLICIT NONE |
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[524] | 22 | |
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[1992] | 23 | ! NOTE: the maximum number of levels and columns is set by |
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| 24 | ! the following parameter statement |
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[524] | 25 | |
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[1992] | 26 | INTEGER ncolprint |
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[524] | 27 | |
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[1992] | 28 | ! ----- |
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| 29 | ! Input |
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| 30 | ! ----- |
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[524] | 31 | |
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[1992] | 32 | INTEGER npoints ! number of model points in the horizontal |
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| 33 | ! PARAMETER(npoints=6722) |
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| 34 | INTEGER nlev ! number of model levels in column |
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| 35 | INTEGER ncol ! number of subcolumns |
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[524] | 36 | |
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[1992] | 37 | INTEGER sunlit(npoints) ! 1 for day points, 0 for night time |
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[524] | 38 | |
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[1992] | 39 | INTEGER seed(npoints) ! seed value for random number generator |
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| 40 | ! ! ( see Numerical Recipes Chapter 7) |
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| 41 | ! ! It is recommended that the seed is set |
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| 42 | ! ! to a different value for each model |
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| 43 | ! ! gridbox it is called on, as it is |
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| 44 | ! ! possible that the choice of the samec |
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| 45 | ! ! seed value every time may introduce some |
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| 46 | ! ! statistical bias in the results, particularly |
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| 47 | ! ! for low values of NCOL. |
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[524] | 48 | |
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[1992] | 49 | REAL pfull(npoints, nlev) ! pressure of full model levels (Pascals) |
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| 50 | ! ! pfull(npoints,1) is top level of model |
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| 51 | ! ! pfull(npoints,nlev) is bottom level of model |
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[524] | 52 | |
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[1992] | 53 | REAL phalf(npoints, nlev+1) ! pressure of half model levels (Pascals) |
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| 54 | ! ! phalf(npoints,1) is top of model |
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| 55 | ! ! phalf(npoints,nlev+1) is the surface pressure |
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[524] | 56 | |
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[1992] | 57 | REAL qv(npoints, nlev) ! water vapor specific humidity (kg vapor/ kg air) |
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| 58 | ! ! on full model levels |
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[524] | 59 | |
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[1992] | 60 | REAL cc(npoints, nlev) ! input cloud cover in each model level (fraction) |
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| 61 | ! ! NOTE: This is the HORIZONTAL area of each |
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| 62 | ! ! grid box covered by clouds |
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[524] | 63 | |
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[1992] | 64 | REAL conv(npoints, nlev) ! input convective cloud cover in each model level (fraction) |
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| 65 | ! ! NOTE: This is the HORIZONTAL area of each |
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| 66 | ! ! grid box covered by convective clouds |
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[524] | 67 | |
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[1992] | 68 | REAL dtau_s(npoints, nlev) ! mean 0.67 micron optical depth of stratiform |
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| 69 | ! ! clouds in each model level |
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| 70 | ! ! NOTE: this the cloud optical depth of only the |
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| 71 | ! ! cloudy part of the grid box, it is not weighted |
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| 72 | ! ! with the 0 cloud optical depth of the clear |
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| 73 | ! ! part of the grid box |
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[524] | 74 | |
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[1992] | 75 | REAL dtau_c(npoints, nlev) ! mean 0.67 micron optical depth of convective |
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| 76 | ! ! clouds in each |
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| 77 | ! ! model level. Same note applies as in dtau_s. |
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[524] | 78 | |
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[1992] | 79 | INTEGER overlap ! overlap type |
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[524] | 80 | |
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[1992] | 81 | ! 1=max |
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[524] | 82 | |
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[1992] | 83 | ! 2=rand |
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| 84 | ! 3=max/rand |
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[524] | 85 | |
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[1992] | 86 | INTEGER top_height ! 1 = adjust top height using both a computed |
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| 87 | ! ! infrared brightness temperature and the visible |
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| 88 | ! ! optical depth to adjust cloud top pressure. Note |
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| 89 | ! ! that this calculation is most appropriate to compare |
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| 90 | ! ! to ISCCP data during sunlit hours. |
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| 91 | ! ! 2 = do not adjust top height, that is cloud top |
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| 92 | ! ! pressure is the actual cloud top pressure |
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| 93 | ! ! in the model |
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| 94 | ! ! 3 = adjust top height using only the computed |
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| 95 | ! ! infrared brightness temperature. Note that this |
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| 96 | ! ! calculation is most appropriate to compare to ISCCP |
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| 97 | ! ! IR only algortihm (i.e. you can compare to nighttime |
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| 98 | ! ! ISCCP data with this option) |
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[524] | 99 | |
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[1992] | 100 | REAL tautab(0:255) ! ISCCP table for converting count value to |
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| 101 | ! ! optical thickness |
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[524] | 102 | |
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[1992] | 103 | INTEGER invtau(-20:45000) ! ISCCP table for converting optical thickness |
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| 104 | ! ! to count value |
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[524] | 105 | |
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[1992] | 106 | ! The following input variables are used only if top_height = 1 or |
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| 107 | ! top_height = 3 |
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[524] | 108 | |
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[1992] | 109 | REAL skt(npoints) ! skin Temperature (K) |
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| 110 | REAL emsfc_lw ! 10.5 micron emissivity of surface (fraction) |
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| 111 | REAL at(npoints, nlev) ! temperature in each model level (K) |
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| 112 | REAL dem_s(npoints, nlev) ! 10.5 micron longwave emissivity of stratiform |
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| 113 | ! ! clouds in each |
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| 114 | ! ! model level. Same note applies as in dtau_s. |
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| 115 | REAL dem_c(npoints, nlev) ! 10.5 micron longwave emissivity of convective |
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| 116 | ! ! clouds in each |
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| 117 | ! ! model level. Same note applies as in dtau_s. |
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| 118 | ! IM reg.dyn BEG |
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| 119 | REAL t1, t2 |
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| 120 | ! REAL w(npoints) !vertical wind at 500 hPa |
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| 121 | ! LOGICAL pct_ocean(npoints) !TRUE if oceanic point, FALSE otherway |
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| 122 | ! INTEGER iw(npoints) , nw |
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| 123 | ! REAL wmin, pas_w |
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| 124 | ! INTEGER k, l, iwmx |
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| 125 | ! PARAMETER(wmin=-100.,pas_w=10.,iwmx=30) |
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| 126 | ! REAL fq_dynreg(7,7,iwmx) |
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| 127 | ! REAL nfq_dynreg(7,7,iwmx) |
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| 128 | ! LOGICAL pctj(7,7,iwmx) |
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| 129 | ! IM reg.dyn END |
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| 130 | ! ------ |
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| 131 | ! Output |
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| 132 | ! ------ |
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[524] | 133 | |
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[1992] | 134 | REAL fq_isccp(npoints, 7, 7) ! the fraction of the model grid box covered by |
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| 135 | ! ! each of the 49 ISCCP D level cloud types |
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[524] | 136 | |
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[1992] | 137 | REAL totalcldarea(npoints) ! the fraction of model grid box columns |
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| 138 | ! ! with cloud somewhere in them. This should |
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| 139 | ! ! equal the sum over all entries of fq_isccp |
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[524] | 140 | |
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| 141 | |
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[1992] | 142 | ! ! The following three means are averages over the cloudy areas only. If |
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| 143 | ! no |
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| 144 | ! ! clouds are in grid box all three quantities should equal zero. |
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[524] | 145 | |
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[1992] | 146 | REAL meanptop(npoints) ! mean cloud top pressure (mb) - linear averaging |
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| 147 | ! ! in cloud top pressure. |
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[524] | 148 | |
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[1992] | 149 | REAL meantaucld(npoints) ! mean optical thickness |
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| 150 | ! ! linear averaging in albedo performed. |
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[524] | 151 | |
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[1992] | 152 | REAL boxtau(npoints, ncol) ! optical thickness in each column |
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[524] | 153 | |
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[1992] | 154 | REAL boxptop(npoints, ncol) ! cloud top pressure (mb) in each column |
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[524] | 155 | |
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| 156 | |
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| 157 | |
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[1992] | 158 | ! ------ |
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| 159 | ! Working variables added when program updated to mimic Mark Webb's PV-Wave |
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| 160 | ! code |
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| 161 | ! ------ |
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[524] | 162 | |
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[1992] | 163 | REAL frac_out(npoints, ncol, nlev) ! boxes gridbox divided up into |
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| 164 | ! ! Equivalent of BOX in original version, but |
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| 165 | ! ! indexed by column then row, rather than |
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| 166 | ! ! by row then column |
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[524] | 167 | |
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[1992] | 168 | REAL tca(npoints, 0:nlev) ! total cloud cover in each model level (fraction) |
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| 169 | ! ! with extra layer of zeroes on top |
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| 170 | ! ! in this version this just contains the values input |
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| 171 | ! ! from cc but with an extra level |
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| 172 | REAL cca(npoints, nlev) ! convective cloud cover in each model level (fraction) |
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| 173 | ! ! from conv |
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[524] | 174 | |
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[1992] | 175 | REAL threshold(npoints, ncol) ! pointer to position in gridbox |
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| 176 | REAL maxocc(npoints, ncol) ! Flag for max overlapped conv cld |
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| 177 | REAL maxosc(npoints, ncol) ! Flag for max overlapped strat cld |
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[524] | 178 | |
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[1992] | 179 | REAL boxpos(npoints, ncol) ! ordered pointer to position in gridbox |
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[524] | 180 | |
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[1992] | 181 | REAL threshold_min(npoints, ncol) ! minimum value to define range in with new threshold |
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| 182 | ! ! is chosen |
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[524] | 183 | |
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[1992] | 184 | REAL dem(npoints, ncol), bb(npoints) ! working variables for 10.5 micron longwave |
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| 185 | ! ! emissivity in part of |
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| 186 | ! ! gridbox under consideration |
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[524] | 187 | |
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[1992] | 188 | REAL ran(npoints) ! vector of random numbers |
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| 189 | REAL ptrop(npoints) |
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| 190 | REAL attrop(npoints) |
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| 191 | REAL attropmin(npoints) |
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| 192 | REAL atmax(npoints) |
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| 193 | REAL atmin(npoints) |
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| 194 | REAL btcmin(npoints) |
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| 195 | REAL transmax(npoints) |
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[524] | 196 | |
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[1992] | 197 | INTEGER i, j, ilev, ibox, itrop(npoints) |
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| 198 | INTEGER ipres(npoints) |
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| 199 | INTEGER itau(npoints), ilev2 |
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| 200 | INTEGER acc(nlev, ncol) |
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| 201 | INTEGER match(npoints, nlev-1) |
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| 202 | INTEGER nmatch(npoints) |
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| 203 | INTEGER levmatch(npoints, ncol) |
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[524] | 204 | |
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[1992] | 205 | ! !variables needed for water vapor continuum absorption |
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| 206 | REAL fluxtop_clrsky(npoints), trans_layers_above_clrsky(npoints) |
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| 207 | REAL taumin(npoints) |
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| 208 | REAL dem_wv(npoints, nlev), wtmair, wtmh20, navo, grav, pstd, t0 |
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| 209 | REAL press(npoints), dpress(npoints), atmden(npoints) |
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| 210 | REAL rvh20(npoints), wk(npoints), rhoave(npoints) |
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| 211 | REAL rh20s(npoints), rfrgn(npoints) |
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| 212 | REAL tmpexp(npoints), tauwv(npoints) |
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[524] | 213 | |
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[1992] | 214 | CHARACTER *1 cchar(6), cchar_realtops(6) |
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| 215 | INTEGER icycle |
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| 216 | REAL tau(npoints, ncol) |
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| 217 | LOGICAL box_cloudy(npoints, ncol) |
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| 218 | REAL tb(npoints, ncol) |
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| 219 | REAL ptop(npoints, ncol) |
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| 220 | REAL emcld(npoints, ncol) |
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| 221 | REAL fluxtop(npoints, ncol) |
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| 222 | REAL trans_layers_above(npoints, ncol) |
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| 223 | REAL isccp_taumin, fluxtopinit(npoints), tauir(npoints) |
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| 224 | REAL meanalbedocld(npoints) |
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| 225 | REAL albedocld(npoints, ncol) |
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| 226 | REAL boxarea |
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| 227 | INTEGER debug ! set to non-zero value to print out inputs |
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| 228 | ! ! with step debug |
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| 229 | INTEGER debugcol ! set to non-zero value to print out column |
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| 230 | ! ! decomposition with step debugcol |
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[524] | 231 | |
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[1992] | 232 | INTEGER index1(npoints), num1, jj |
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| 233 | REAL rec2p13, tauchk |
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[524] | 234 | |
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[1992] | 235 | CHARACTER *10 ftn09 |
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[524] | 236 | |
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[1992] | 237 | DATA isccp_taumin/0.3/ |
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| 238 | DATA cchar/' ', '-', '1', '+', 'I', '+'/ |
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| 239 | DATA cchar_realtops/' ', ' ', '1', '1', 'I', 'I'/ |
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[524] | 240 | |
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[1992] | 241 | tauchk = -1.*log(0.9999999) |
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| 242 | rec2p13 = 1./2.13 |
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[524] | 243 | |
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[1992] | 244 | ncolprint = 0 |
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[524] | 245 | |
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[1992] | 246 | ! IM |
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| 247 | ! PRINT*,' isccp_cloud_types npoints=',npoints |
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[524] | 248 | |
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[1992] | 249 | ! if ( debug.ne.0 ) then |
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| 250 | ! j=1 |
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| 251 | ! write(6,'(a10)') 'j=' |
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| 252 | ! write(6,'(8I10)') j |
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| 253 | ! write(6,'(a10)') 'debug=' |
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| 254 | ! write(6,'(8I10)') debug |
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| 255 | ! write(6,'(a10)') 'debugcol=' |
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| 256 | ! write(6,'(8I10)') debugcol |
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| 257 | ! write(6,'(a10)') 'npoints=' |
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| 258 | ! write(6,'(8I10)') npoints |
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| 259 | ! write(6,'(a10)') 'nlev=' |
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| 260 | ! write(6,'(8I10)') nlev |
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| 261 | ! write(6,'(a10)') 'ncol=' |
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| 262 | ! write(6,'(8I10)') ncol |
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| 263 | ! write(6,'(a10)') 'top_height=' |
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| 264 | ! write(6,'(8I10)') top_height |
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| 265 | ! write(6,'(a10)') 'overlap=' |
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| 266 | ! write(6,'(8I10)') overlap |
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| 267 | ! write(6,'(a10)') 'emsfc_lw=' |
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| 268 | ! write(6,'(8f10.2)') emsfc_lw |
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| 269 | ! write(6,'(a10)') 'tautab=' |
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| 270 | ! write(6,'(8f10.2)') tautab |
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| 271 | ! write(6,'(a10)') 'invtau(1:100)=' |
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| 272 | ! write(6,'(8i10)') (invtau(i),i=1,100) |
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| 273 | ! do j=1,npoints,debug |
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| 274 | ! write(6,'(a10)') 'j=' |
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| 275 | ! write(6,'(8I10)') j |
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| 276 | ! write(6,'(a10)') 'sunlit=' |
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| 277 | ! write(6,'(8I10)') sunlit(j) |
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| 278 | ! write(6,'(a10)') 'seed=' |
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| 279 | ! write(6,'(8I10)') seed(j) |
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| 280 | ! write(6,'(a10)') 'pfull=' |
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| 281 | ! write(6,'(8f10.2)') (pfull(j,i),i=1,nlev) |
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| 282 | ! write(6,'(a10)') 'phalf=' |
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| 283 | ! write(6,'(8f10.2)') (phalf(j,i),i=1,nlev+1) |
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| 284 | ! write(6,'(a10)') 'qv=' |
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| 285 | ! write(6,'(8f10.3)') (qv(j,i),i=1,nlev) |
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| 286 | ! write(6,'(a10)') 'cc=' |
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| 287 | ! write(6,'(8f10.3)') (cc(j,i),i=1,nlev) |
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| 288 | ! write(6,'(a10)') 'conv=' |
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| 289 | ! write(6,'(8f10.2)') (conv(j,i),i=1,nlev) |
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| 290 | ! write(6,'(a10)') 'dtau_s=' |
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| 291 | ! write(6,'(8g12.5)') (dtau_s(j,i),i=1,nlev) |
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| 292 | ! write(6,'(a10)') 'dtau_c=' |
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| 293 | ! write(6,'(8f10.2)') (dtau_c(j,i),i=1,nlev) |
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| 294 | ! write(6,'(a10)') 'skt=' |
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| 295 | ! write(6,'(8f10.2)') skt(j) |
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| 296 | ! write(6,'(a10)') 'at=' |
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| 297 | ! write(6,'(8f10.2)') (at(j,i),i=1,nlev) |
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| 298 | ! write(6,'(a10)') 'dem_s=' |
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| 299 | ! write(6,'(8f10.3)') (dem_s(j,i),i=1,nlev) |
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| 300 | ! write(6,'(a10)') 'dem_c=' |
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| 301 | ! write(6,'(8f10.2)') (dem_c(j,i),i=1,nlev) |
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| 302 | ! enddo |
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| 303 | ! endif |
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[524] | 304 | |
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[1992] | 305 | ! ---------------------------------------------------! |
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[524] | 306 | |
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[1992] | 307 | ! assign 2d tca array using 1d input array cc |
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[524] | 308 | |
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[1992] | 309 | DO j = 1, npoints |
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| 310 | tca(j, 0) = 0 |
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| 311 | END DO |
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[524] | 312 | |
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[1992] | 313 | DO ilev = 1, nlev |
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| 314 | DO j = 1, npoints |
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| 315 | tca(j, ilev) = cc(j, ilev) |
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| 316 | END DO |
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| 317 | END DO |
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[524] | 318 | |
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[1992] | 319 | ! assign 2d cca array using 1d input array conv |
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[524] | 320 | |
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[1992] | 321 | DO ilev = 1, nlev |
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| 322 | ! IM pas besoin do ibox=1,ncol |
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| 323 | DO j = 1, npoints |
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| 324 | cca(j, ilev) = conv(j, ilev) |
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| 325 | END DO |
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| 326 | ! IM enddo |
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| 327 | END DO |
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[524] | 328 | |
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[1992] | 329 | ! IM |
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| 330 | ! do j=1, iwmx |
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| 331 | ! do l=1, 7 |
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| 332 | ! do k=1, 7 |
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| 333 | ! fq_dynreg(k,l,j) =0. |
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| 334 | ! nfq_dynreg(k,l,j) =0. |
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| 335 | ! enddo !k |
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| 336 | ! enddo !l |
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| 337 | ! enddo !j |
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| 338 | ! IM |
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| 339 | ! IM |
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| 340 | ! if (ncolprint.ne.0) then |
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| 341 | ! do j=1,npoints,1000 |
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| 342 | ! write(6,'(a10)') 'j=' |
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| 343 | ! write(6,'(8I10)') j |
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| 344 | ! write (6,'(a)') 'seed:' |
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| 345 | ! write (6,'(I3.2)') seed(j) |
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[524] | 346 | |
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[1992] | 347 | ! write (6,'(a)') 'tca_pp_rev:' |
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| 348 | ! write (6,'(8f5.2)') |
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| 349 | ! & ((tca(j,ilev)), |
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| 350 | ! & ilev=1,nlev) |
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[524] | 351 | |
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[1992] | 352 | ! write (6,'(a)') 'cca_pp_rev:' |
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| 353 | ! write (6,'(8f5.2)') |
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| 354 | ! & ((cca(j,ilev),ibox=1,ncolprint),ilev=1,nlev) |
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| 355 | ! enddo |
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| 356 | ! endif |
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[524] | 357 | |
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[1992] | 358 | IF (top_height==1 .OR. top_height==3) THEN |
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[524] | 359 | |
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[1992] | 360 | DO j = 1, npoints |
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| 361 | ptrop(j) = 5000. |
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| 362 | atmin(j) = 400. |
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| 363 | attropmin(j) = 400. |
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| 364 | atmax(j) = 0. |
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| 365 | attrop(j) = 120. |
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| 366 | itrop(j) = 1 |
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| 367 | END DO |
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[524] | 368 | |
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[1992] | 369 | DO ilev = 1, nlev |
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| 370 | DO j = 1, npoints |
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| 371 | IF (pfull(j,ilev)<40000. .AND. pfull(j,ilev)>5000. .AND. & |
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| 372 | at(j,ilev)<attropmin(j)) THEN |
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| 373 | ptrop(j) = pfull(j, ilev) |
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| 374 | attropmin(j) = at(j, ilev) |
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| 375 | attrop(j) = attropmin(j) |
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| 376 | itrop(j) = ilev |
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| 377 | END IF |
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| 378 | IF (at(j,ilev)>atmax(j)) atmax(j) = at(j, ilev) |
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| 379 | IF (at(j,ilev)<atmin(j)) atmin(j) = at(j, ilev) |
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| 380 | END DO |
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| 381 | END DO |
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[524] | 382 | |
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[1992] | 383 | END IF |
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[524] | 384 | |
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[1992] | 385 | ! -----------------------------------------------------! |
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[524] | 386 | |
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[1992] | 387 | ! ---------------------------------------------------! |
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[524] | 388 | |
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[1992] | 389 | ! IM |
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| 390 | ! do 13 ilev=1,nlev |
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| 391 | ! num1=0 |
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| 392 | ! do j=1,npoints |
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| 393 | ! if (cc(j,ilev) .lt. 0. .or. cc(j,ilev) .gt. 1.) then |
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| 394 | ! num1=num1+1 |
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| 395 | ! index1(num1)=j |
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| 396 | ! end if |
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| 397 | ! enddo |
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| 398 | ! do jj=1,num1 |
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| 399 | ! j=index1(jj) |
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| 400 | ! write(6,*) ' error = cloud fraction less than zero' |
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| 401 | ! write(6,*) ' or ' |
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| 402 | ! write(6,*) ' error = cloud fraction greater than 1' |
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| 403 | ! write(6,*) 'value at point ',j,' is ',cc(j,ilev) |
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| 404 | ! write(6,*) 'level ',ilev |
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| 405 | ! STOP |
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| 406 | ! enddo |
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| 407 | ! num1=0 |
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| 408 | ! do j=1,npoints |
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| 409 | ! if (conv(j,ilev) .lt. 0. .or. conv(j,ilev) .gt. 1.) then |
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| 410 | ! num1=num1+1 |
---|
| 411 | ! index1(num1)=j |
---|
| 412 | ! end if |
---|
| 413 | ! enddo |
---|
| 414 | ! do jj=1,num1 |
---|
| 415 | ! j=index1(jj) |
---|
| 416 | ! write(6,*) |
---|
| 417 | ! & ' error = convective cloud fraction less than zero' |
---|
| 418 | ! write(6,*) ' or ' |
---|
| 419 | ! write(6,*) |
---|
| 420 | ! & ' error = convective cloud fraction greater than 1' |
---|
| 421 | ! write(6,*) 'value at point ',j,' is ',conv(j,ilev) |
---|
| 422 | ! write(6,*) 'level ',ilev |
---|
| 423 | ! STOP |
---|
| 424 | ! enddo |
---|
[524] | 425 | |
---|
[1992] | 426 | ! num1=0 |
---|
| 427 | ! do j=1,npoints |
---|
| 428 | ! if (dtau_s(j,ilev) .lt. 0.) then |
---|
| 429 | ! num1=num1+1 |
---|
| 430 | ! index1(num1)=j |
---|
| 431 | ! end if |
---|
| 432 | ! enddo |
---|
| 433 | ! do jj=1,num1 |
---|
| 434 | ! j=index1(jj) |
---|
| 435 | ! write(6,*) |
---|
| 436 | ! & ' error = stratiform cloud opt. depth less than zero' |
---|
| 437 | ! write(6,*) 'value at point ',j,' is ',dtau_s(j,ilev) |
---|
| 438 | ! write(6,*) 'level ',ilev |
---|
| 439 | ! STOP |
---|
| 440 | ! enddo |
---|
| 441 | ! num1=0 |
---|
| 442 | ! do j=1,npoints |
---|
| 443 | ! if (dtau_c(j,ilev) .lt. 0.) then |
---|
| 444 | ! num1=num1+1 |
---|
| 445 | ! index1(num1)=j |
---|
| 446 | ! end if |
---|
| 447 | ! enddo |
---|
| 448 | ! do jj=1,num1 |
---|
| 449 | ! j=index1(jj) |
---|
| 450 | ! write(6,*) |
---|
| 451 | ! & ' error = convective cloud opt. depth less than zero' |
---|
| 452 | ! write(6,*) 'value at point ',j,' is ',dtau_c(j,ilev) |
---|
| 453 | ! write(6,*) 'level ',ilev |
---|
| 454 | ! STOP |
---|
| 455 | ! enddo |
---|
[524] | 456 | |
---|
[1992] | 457 | ! num1=0 |
---|
| 458 | ! do j=1,npoints |
---|
| 459 | ! if (dem_s(j,ilev) .lt. 0. .or. dem_s(j,ilev) .gt. 1.) then |
---|
| 460 | ! num1=num1+1 |
---|
| 461 | ! index1(num1)=j |
---|
| 462 | ! end if |
---|
| 463 | ! enddo |
---|
| 464 | ! do jj=1,num1 |
---|
| 465 | ! j=index1(jj) |
---|
| 466 | ! write(6,*) |
---|
| 467 | ! & ' error = stratiform cloud emissivity less than zero' |
---|
| 468 | ! write(6,*)'or' |
---|
| 469 | ! write(6,*) |
---|
| 470 | ! & ' error = stratiform cloud emissivity greater than 1' |
---|
| 471 | ! write(6,*) 'value at point ',j,' is ',dem_s(j,ilev) |
---|
| 472 | ! write(6,*) 'level ',ilev |
---|
| 473 | ! STOP |
---|
| 474 | ! enddo |
---|
[524] | 475 | |
---|
[1992] | 476 | ! num1=0 |
---|
| 477 | ! do j=1,npoints |
---|
| 478 | ! if (dem_c(j,ilev) .lt. 0. .or. dem_c(j,ilev) .gt. 1.) then |
---|
| 479 | ! num1=num1+1 |
---|
| 480 | ! index1(num1)=j |
---|
| 481 | ! end if |
---|
| 482 | ! enddo |
---|
| 483 | ! do jj=1,num1 |
---|
| 484 | ! j=index1(jj) |
---|
| 485 | ! write(6,*) |
---|
| 486 | ! & ' error = convective cloud emissivity less than zero' |
---|
| 487 | ! write(6,*)'or' |
---|
| 488 | ! write(6,*) |
---|
| 489 | ! & ' error = convective cloud emissivity greater than 1' |
---|
| 490 | ! write (6,*) |
---|
| 491 | ! & 'j=',j,'ilev=',ilev,'dem_c(j,ilev) =',dem_c(j,ilev) |
---|
| 492 | ! STOP |
---|
| 493 | ! enddo |
---|
| 494 | ! 13 continue |
---|
[524] | 495 | |
---|
| 496 | |
---|
[1992] | 497 | DO ibox = 1, ncol |
---|
| 498 | DO j = 1, npoints |
---|
| 499 | boxpos(j, ibox) = (ibox-.5)/ncol |
---|
| 500 | END DO |
---|
| 501 | END DO |
---|
[524] | 502 | |
---|
[1992] | 503 | ! ---------------------------------------------------! |
---|
| 504 | ! Initialise working variables |
---|
| 505 | ! ---------------------------------------------------! |
---|
[524] | 506 | |
---|
[1992] | 507 | ! Initialised frac_out to zero |
---|
[524] | 508 | |
---|
[1992] | 509 | DO ilev = 1, nlev |
---|
| 510 | DO ibox = 1, ncol |
---|
| 511 | DO j = 1, npoints |
---|
| 512 | frac_out(j, ibox, ilev) = 0.0 |
---|
| 513 | END DO |
---|
| 514 | END DO |
---|
| 515 | END DO |
---|
[524] | 516 | |
---|
[1992] | 517 | ! IM |
---|
| 518 | ! if (ncolprint.ne.0) then |
---|
| 519 | ! write (6,'(a)') 'frac_out_pp_rev:' |
---|
| 520 | ! do j=1,npoints,1000 |
---|
| 521 | ! write(6,'(a10)') 'j=' |
---|
| 522 | ! write(6,'(8I10)') j |
---|
| 523 | ! write (6,'(8f5.2)') |
---|
| 524 | ! & ((frac_out(j,ibox,ilev),ibox=1,ncolprint),ilev=1,nlev) |
---|
[524] | 525 | |
---|
[1992] | 526 | ! enddo |
---|
| 527 | ! write (6,'(a)') 'ncol:' |
---|
| 528 | ! write (6,'(I3)') ncol |
---|
| 529 | ! endif |
---|
| 530 | ! if (ncolprint.ne.0) then |
---|
| 531 | ! write (6,'(a)') 'last_frac_pp:' |
---|
| 532 | ! do j=1,npoints,1000 |
---|
| 533 | ! write(6,'(a10)') 'j=' |
---|
| 534 | ! write(6,'(8I10)') j |
---|
| 535 | ! write (6,'(8f5.2)') (tca(j,0)) |
---|
| 536 | ! enddo |
---|
| 537 | ! endif |
---|
[524] | 538 | |
---|
[1992] | 539 | ! ---------------------------------------------------! |
---|
| 540 | ! ALLOCATE CLOUD INTO BOXES, FOR NCOLUMNS, NLEVELS |
---|
| 541 | ! frac_out is the array that contains the information |
---|
| 542 | ! where 0 is no cloud, 1 is a stratiform cloud and 2 is a |
---|
| 543 | ! convective cloud |
---|
[524] | 544 | |
---|
[1992] | 545 | !loop over vertical levels |
---|
| 546 | DO ilev = 1, nlev |
---|
[524] | 547 | |
---|
[1992] | 548 | ! Initialise threshold |
---|
[524] | 549 | |
---|
[1992] | 550 | IF (ilev==1) THEN |
---|
| 551 | ! If max overlap |
---|
| 552 | IF (overlap==1) THEN |
---|
| 553 | ! select pixels spread evenly |
---|
| 554 | ! across the gridbox |
---|
| 555 | DO ibox = 1, ncol |
---|
| 556 | DO j = 1, npoints |
---|
| 557 | threshold(j, ibox) = boxpos(j, ibox) |
---|
| 558 | END DO |
---|
| 559 | END DO |
---|
| 560 | ELSE |
---|
| 561 | DO ibox = 1, ncol |
---|
| 562 | CALL ran0_vec(npoints, seed, ran) |
---|
| 563 | ! select random pixels from the non-convective |
---|
| 564 | ! part the gridbox ( some will be converted into |
---|
| 565 | ! convective pixels below ) |
---|
| 566 | DO j = 1, npoints |
---|
| 567 | threshold(j, ibox) = cca(j, ilev) + (1-cca(j,ilev))*ran(j) |
---|
| 568 | END DO |
---|
| 569 | END DO |
---|
| 570 | END IF |
---|
| 571 | ! IM |
---|
| 572 | ! IF (ncolprint.ne.0) then |
---|
| 573 | ! write (6,'(a)') 'threshold_nsf2:' |
---|
| 574 | ! do j=1,npoints,1000 |
---|
| 575 | ! write(6,'(a10)') 'j=' |
---|
| 576 | ! write(6,'(8I10)') j |
---|
| 577 | ! write (6,'(8f5.2)') (threshold(j,ibox),ibox=1,ncolprint) |
---|
| 578 | ! enddo |
---|
| 579 | ! ENDIF |
---|
| 580 | END IF |
---|
[524] | 581 | |
---|
[1992] | 582 | ! IF (ncolprint.ne.0) then |
---|
| 583 | ! write (6,'(a)') 'ilev:' |
---|
| 584 | ! write (6,'(I2)') ilev |
---|
| 585 | ! ENDIF |
---|
[524] | 586 | |
---|
[1992] | 587 | DO ibox = 1, ncol |
---|
[524] | 588 | |
---|
[1992] | 589 | ! All versions |
---|
| 590 | DO j = 1, npoints |
---|
| 591 | IF (boxpos(j,ibox)<=cca(j,ilev)) THEN |
---|
| 592 | ! IM REAL maxocc(j,ibox) = 1 |
---|
| 593 | maxocc(j, ibox) = 1.0 |
---|
| 594 | ELSE |
---|
| 595 | ! IM REAL maxocc(j,ibox) = 0 |
---|
| 596 | maxocc(j, ibox) = 0.0 |
---|
| 597 | END IF |
---|
| 598 | END DO |
---|
[524] | 599 | |
---|
[1992] | 600 | ! Max overlap |
---|
| 601 | IF (overlap==1) THEN |
---|
| 602 | DO j = 1, npoints |
---|
| 603 | threshold_min(j, ibox) = cca(j, ilev) |
---|
| 604 | ! IM REAL maxosc(j,ibox)=1 |
---|
| 605 | maxosc(j, ibox) = 1.0 |
---|
| 606 | END DO |
---|
| 607 | END IF |
---|
[524] | 608 | |
---|
[1992] | 609 | ! Random overlap |
---|
| 610 | IF (overlap==2) THEN |
---|
| 611 | DO j = 1, npoints |
---|
| 612 | threshold_min(j, ibox) = cca(j, ilev) |
---|
| 613 | ! IM REAL maxosc(j,ibox)=0 |
---|
| 614 | maxosc(j, ibox) = 0.0 |
---|
| 615 | END DO |
---|
| 616 | END IF |
---|
[524] | 617 | |
---|
[1992] | 618 | ! Max/Random overlap |
---|
| 619 | IF (overlap==3) THEN |
---|
| 620 | DO j = 1, npoints |
---|
| 621 | threshold_min(j, ibox) = max(cca(j,ilev), min(tca(j,ilev-1),tca(j, & |
---|
| 622 | ilev))) |
---|
| 623 | IF (threshold(j,ibox)<min(tca(j,ilev-1),tca(j, & |
---|
| 624 | ilev)) .AND. (threshold(j,ibox)>cca(j,ilev))) THEN |
---|
| 625 | ! IM REAL maxosc(j,ibox)= 1 |
---|
| 626 | maxosc(j, ibox) = 1.0 |
---|
| 627 | ELSE |
---|
| 628 | ! IM REAL maxosc(j,ibox)= 0 |
---|
| 629 | maxosc(j, ibox) = 0.0 |
---|
| 630 | END IF |
---|
| 631 | END DO |
---|
| 632 | END IF |
---|
[524] | 633 | |
---|
[1992] | 634 | ! Reset threshold |
---|
| 635 | CALL ran0_vec(npoints, seed, ran) |
---|
| 636 | |
---|
| 637 | DO j = 1, npoints |
---|
| 638 | threshold(j, ibox) = & !if max overlapped conv cloud |
---|
| 639 | maxocc(j, ibox)*(boxpos(j,ibox)) + & !else |
---|
| 640 | (1-maxocc(j,ibox))*( & !if max overlapped strat cloud |
---|
| 641 | (maxosc(j,ibox))*( & !threshold=boxpos |
---|
| 642 | threshold(j,ibox))+ & !else |
---|
| 643 | (1-maxosc(j,ibox))*( & !threshold_min=random[thrmin,1] |
---|
| 644 | threshold_min(j,ibox)+(1-threshold_min(j,ibox))*ran(j))) |
---|
| 645 | END DO |
---|
| 646 | |
---|
| 647 | END DO ! ibox |
---|
| 648 | |
---|
| 649 | ! Fill frac_out with 1's where tca is greater than the threshold |
---|
| 650 | |
---|
| 651 | DO ibox = 1, ncol |
---|
| 652 | DO j = 1, npoints |
---|
| 653 | IF (tca(j,ilev)>threshold(j,ibox)) THEN |
---|
| 654 | ! IM REAL frac_out(j,ibox,ilev)=1 |
---|
| 655 | frac_out(j, ibox, ilev) = 1.0 |
---|
| 656 | ELSE |
---|
| 657 | ! IM REAL frac_out(j,ibox,ilev)=0 |
---|
| 658 | frac_out(j, ibox, ilev) = 0.0 |
---|
| 659 | END IF |
---|
| 660 | END DO |
---|
| 661 | END DO |
---|
| 662 | |
---|
| 663 | ! Code to partition boxes into startiform and convective parts |
---|
| 664 | ! goes here |
---|
| 665 | |
---|
| 666 | DO ibox = 1, ncol |
---|
| 667 | DO j = 1, npoints |
---|
| 668 | IF (threshold(j,ibox)<=cca(j,ilev)) THEN |
---|
| 669 | ! = 2 IF threshold le cca(j) |
---|
| 670 | ! IM REAL frac_out(j,ibox,ilev) = 2 |
---|
| 671 | frac_out(j, ibox, ilev) = 2.0 |
---|
| 672 | ELSE |
---|
| 673 | ! = the same IF NOT threshold le cca(j) |
---|
| 674 | frac_out(j, ibox, ilev) = frac_out(j, ibox, ilev) |
---|
| 675 | END IF |
---|
| 676 | END DO |
---|
| 677 | END DO |
---|
| 678 | |
---|
| 679 | ! Set last_frac to tca at this level, so as to be tca |
---|
| 680 | ! from last level next time round |
---|
| 681 | |
---|
| 682 | ! IM |
---|
| 683 | ! if (ncolprint.ne.0) then |
---|
| 684 | |
---|
| 685 | ! do j=1,npoints ,1000 |
---|
| 686 | ! write(6,'(a10)') 'j=' |
---|
| 687 | ! write(6,'(8I10)') j |
---|
| 688 | ! write (6,'(a)') 'last_frac:' |
---|
| 689 | ! write (6,'(8f5.2)') (tca(j,ilev-1)) |
---|
| 690 | |
---|
| 691 | ! write (6,'(a)') 'cca:' |
---|
| 692 | ! write (6,'(8f5.2)') (cca(j,ilev),ibox=1,ncolprint) |
---|
| 693 | |
---|
| 694 | ! write (6,'(a)') 'max_overlap_cc:' |
---|
| 695 | ! write (6,'(8f5.2)') (maxocc(j,ibox),ibox=1,ncolprint) |
---|
| 696 | |
---|
| 697 | ! write (6,'(a)') 'max_overlap_sc:' |
---|
| 698 | ! write (6,'(8f5.2)') (maxosc(j,ibox),ibox=1,ncolprint) |
---|
| 699 | |
---|
| 700 | ! write (6,'(a)') 'threshold_min_nsf2:' |
---|
| 701 | ! write (6,'(8f5.2)') (threshold_min(j,ibox),ibox=1,ncolprint) |
---|
| 702 | |
---|
| 703 | ! write (6,'(a)') 'threshold_nsf2:' |
---|
| 704 | ! write (6,'(8f5.2)') (threshold(j,ibox),ibox=1,ncolprint) |
---|
| 705 | |
---|
| 706 | ! write (6,'(a)') 'frac_out_pp_rev:' |
---|
| 707 | ! write (6,'(8f5.2)') |
---|
| 708 | ! & ((frac_out(j,ibox,ilev2),ibox=1,ncolprint),ilev2=1,nlev) |
---|
| 709 | ! enddo |
---|
| 710 | ! endif |
---|
| 711 | |
---|
| 712 | |
---|
| 713 | END DO |
---|
| 714 | |
---|
| 715 | ! ---------------------------------------------------! |
---|
| 716 | |
---|
| 717 | |
---|
| 718 | |
---|
| 719 | ! ---------------------------------------------------! |
---|
| 720 | ! COMPUTE CLOUD OPTICAL DEPTH FOR EACH COLUMN and |
---|
| 721 | ! put into vector tau |
---|
| 722 | |
---|
| 723 | !initialize tau and albedocld to zero |
---|
| 724 | ! loop over nlev |
---|
| 725 | DO ibox = 1, ncol |
---|
| 726 | DO j = 1, npoints |
---|
| 727 | tau(j, ibox) = 0. |
---|
| 728 | albedocld(j, ibox) = 0. |
---|
| 729 | boxtau(j, ibox) = 0. |
---|
| 730 | boxptop(j, ibox) = 0. |
---|
| 731 | box_cloudy(j, ibox) = .FALSE. |
---|
| 732 | END DO |
---|
| 733 | END DO |
---|
| 734 | |
---|
| 735 | !compute total cloud optical depth for each column |
---|
| 736 | DO ilev = 1, nlev |
---|
| 737 | !increment tau for each of the boxes |
---|
| 738 | DO ibox = 1, ncol |
---|
| 739 | DO j = 1, npoints |
---|
| 740 | ! IM REAL if (frac_out(j,ibox,ilev).eq.1) then |
---|
| 741 | IF (frac_out(j,ibox,ilev)==1.0) THEN |
---|
| 742 | tau(j, ibox) = tau(j, ibox) + dtau_s(j, ilev) |
---|
| 743 | END IF |
---|
| 744 | ! IM REAL if (frac_out(j,ibox,ilev).eq.2) then |
---|
| 745 | IF (frac_out(j,ibox,ilev)==2.0) THEN |
---|
| 746 | tau(j, ibox) = tau(j, ibox) + dtau_c(j, ilev) |
---|
| 747 | END IF |
---|
| 748 | END DO |
---|
| 749 | END DO ! ibox |
---|
| 750 | END DO ! ilev |
---|
| 751 | ! IM |
---|
| 752 | ! if (ncolprint.ne.0) then |
---|
| 753 | |
---|
| 754 | ! do j=1,npoints ,1000 |
---|
| 755 | ! write(6,'(a10)') 'j=' |
---|
| 756 | ! write(6,'(8I10)') j |
---|
| 757 | ! write(6,'(i2,1X,8(f7.2,1X))') |
---|
| 758 | ! & ilev, |
---|
| 759 | ! & (tau(j,ibox),ibox=1,ncolprint) |
---|
| 760 | ! enddo |
---|
| 761 | ! endif |
---|
| 762 | |
---|
| 763 | ! ---------------------------------------------------! |
---|
| 764 | |
---|
| 765 | |
---|
| 766 | |
---|
| 767 | |
---|
| 768 | ! ---------------------------------------------------! |
---|
| 769 | ! COMPUTE INFRARED BRIGHTNESS TEMPERUATRES |
---|
| 770 | ! AND CLOUD TOP TEMPERATURE SATELLITE SHOULD SEE |
---|
| 771 | |
---|
| 772 | ! again this is only done if top_height = 1 or 3 |
---|
| 773 | |
---|
| 774 | ! fluxtop is the 10.5 micron radiance at the top of the |
---|
| 775 | ! atmosphere |
---|
| 776 | ! trans_layers_above is the total transmissivity in the layers |
---|
| 777 | ! above the current layer |
---|
| 778 | ! fluxtop_clrsky(j) and trans_layers_above_clrsky(j) are the clear |
---|
| 779 | ! sky versions of these quantities. |
---|
| 780 | |
---|
| 781 | IF (top_height==1 .OR. top_height==3) THEN |
---|
| 782 | |
---|
| 783 | |
---|
| 784 | !---------------------------------------------------------------------- |
---|
| 785 | ! |
---|
| 786 | ! DO CLEAR SKY RADIANCE CALCULATION FIRST |
---|
| 787 | ! |
---|
| 788 | !compute water vapor continuum emissivity |
---|
| 789 | !this treatment follows Schwarkzopf and Ramasamy |
---|
| 790 | !JGR 1999,vol 104, pages 9467-9499. |
---|
| 791 | !the emissivity is calculated at a wavenumber of 955 cm-1, |
---|
| 792 | !or 10.47 microns |
---|
| 793 | wtmair = 28.9644 |
---|
| 794 | wtmh20 = 18.01534 |
---|
| 795 | navo = 6.023E+23 |
---|
| 796 | grav = 9.806650E+02 |
---|
| 797 | pstd = 1.013250E+06 |
---|
| 798 | t0 = 296. |
---|
| 799 | ! IM |
---|
| 800 | ! if (ncolprint .ne. 0) |
---|
| 801 | ! & write(6,*) 'ilev pw (kg/m2) tauwv(j) dem_wv' |
---|
| 802 | DO ilev = 1, nlev |
---|
| 803 | DO j = 1, npoints |
---|
| 804 | !press and dpress are dyne/cm2 = Pascals *10 |
---|
| 805 | press(j) = pfull(j, ilev)*10. |
---|
| 806 | dpress(j) = (phalf(j,ilev+1)-phalf(j,ilev))*10 |
---|
| 807 | !atmden = g/cm2 = kg/m2 / 10 |
---|
| 808 | atmden(j) = dpress(j)/grav |
---|
| 809 | rvh20(j) = qv(j, ilev)*wtmair/wtmh20 |
---|
| 810 | wk(j) = rvh20(j)*navo*atmden(j)/wtmair |
---|
| 811 | rhoave(j) = (press(j)/pstd)*(t0/at(j,ilev)) |
---|
| 812 | rh20s(j) = rvh20(j)*rhoave(j) |
---|
| 813 | rfrgn(j) = rhoave(j) - rh20s(j) |
---|
| 814 | tmpexp(j) = exp(-0.02*(at(j,ilev)-t0)) |
---|
| 815 | tauwv(j) = wk(j)*1.E-20*((0.0224697*rh20s(j)*tmpexp(j))+(3.41817E-7* & |
---|
| 816 | rfrgn(j)))*0.98 |
---|
| 817 | dem_wv(j, ilev) = 1. - exp(-1.*tauwv(j)) |
---|
| 818 | END DO |
---|
| 819 | ! IM |
---|
| 820 | ! if (ncolprint .ne. 0) then |
---|
| 821 | ! do j=1,npoints ,1000 |
---|
| 822 | ! write(6,'(a10)') 'j=' |
---|
| 823 | ! write(6,'(8I10)') j |
---|
| 824 | ! write(6,'(i2,1X,3(f8.3,3X))') ilev, |
---|
| 825 | ! & qv(j,ilev)*(phalf(j,ilev+1)-phalf(j,ilev))/(grav/100.), |
---|
| 826 | ! & tauwv(j),dem_wv(j,ilev) |
---|
| 827 | ! enddo |
---|
| 828 | ! endif |
---|
| 829 | END DO |
---|
| 830 | |
---|
| 831 | !initialize variables |
---|
| 832 | DO j = 1, npoints |
---|
| 833 | fluxtop_clrsky(j) = 0. |
---|
| 834 | trans_layers_above_clrsky(j) = 1. |
---|
| 835 | END DO |
---|
| 836 | |
---|
| 837 | DO ilev = 1, nlev |
---|
| 838 | DO j = 1, npoints |
---|
| 839 | |
---|
| 840 | ! Black body emission at temperature of the layer |
---|
| 841 | |
---|
| 842 | bb(j) = 1/(exp(1307.27/at(j,ilev))-1.) |
---|
| 843 | !bb(j)= 5.67e-8*at(j,ilev)**4 |
---|
| 844 | |
---|
| 845 | ! increase TOA flux by flux emitted from layer |
---|
| 846 | ! times total transmittance in layers above |
---|
| 847 | |
---|
| 848 | fluxtop_clrsky(j) = fluxtop_clrsky(j) + dem_wv(j, ilev)*bb(j)* & |
---|
| 849 | trans_layers_above_clrsky(j) |
---|
| 850 | |
---|
| 851 | ! update trans_layers_above with transmissivity |
---|
| 852 | ! from this layer for next time around loop |
---|
| 853 | |
---|
| 854 | trans_layers_above_clrsky(j) = trans_layers_above_clrsky(j)* & |
---|
| 855 | (1.-dem_wv(j,ilev)) |
---|
| 856 | |
---|
| 857 | |
---|
| 858 | END DO |
---|
| 859 | ! IM |
---|
| 860 | ! if (ncolprint.ne.0) then |
---|
| 861 | ! do j=1,npoints ,1000 |
---|
| 862 | ! write(6,'(a10)') 'j=' |
---|
| 863 | ! write(6,'(8I10)') j |
---|
| 864 | ! write (6,'(a)') 'ilev:' |
---|
| 865 | ! write (6,'(I2)') ilev |
---|
| 866 | |
---|
| 867 | ! write (6,'(a)') |
---|
| 868 | ! & 'emiss_layer,100.*bb(j),100.*f,total_trans:' |
---|
| 869 | ! write (6,'(4(f7.2,1X))') dem_wv(j,ilev),100.*bb(j), |
---|
| 870 | ! & 100.*fluxtop_clrsky(j),trans_layers_above_clrsky(j) |
---|
| 871 | ! enddo |
---|
| 872 | ! endif |
---|
| 873 | |
---|
| 874 | END DO !loop over level |
---|
| 875 | |
---|
| 876 | DO j = 1, npoints |
---|
| 877 | !add in surface emission |
---|
| 878 | bb(j) = 1/(exp(1307.27/skt(j))-1.) |
---|
| 879 | !bb(j)=5.67e-8*skt(j)**4 |
---|
| 880 | |
---|
| 881 | fluxtop_clrsky(j) = fluxtop_clrsky(j) + emsfc_lw*bb(j)* & |
---|
| 882 | trans_layers_above_clrsky(j) |
---|
| 883 | END DO |
---|
| 884 | |
---|
| 885 | ! IM |
---|
| 886 | ! if (ncolprint.ne.0) then |
---|
| 887 | ! do j=1,npoints ,1000 |
---|
| 888 | ! write(6,'(a10)') 'j=' |
---|
| 889 | ! write(6,'(8I10)') j |
---|
| 890 | ! write (6,'(a)') 'id:' |
---|
| 891 | ! write (6,'(a)') 'surface' |
---|
| 892 | |
---|
| 893 | ! write (6,'(a)') 'emsfc,100.*bb(j),100.*f,total_trans:' |
---|
| 894 | ! write (6,'(4(f7.2,1X))') emsfc_lw,100.*bb(j), |
---|
| 895 | ! & 100.*fluxtop_clrsky(j), |
---|
| 896 | ! & trans_layers_above_clrsky(j) |
---|
| 897 | ! enddo |
---|
| 898 | ! endif |
---|
| 899 | |
---|
| 900 | |
---|
| 901 | ! |
---|
| 902 | ! END OF CLEAR SKY CALCULATION |
---|
| 903 | ! |
---|
| 904 | !---------------------------------------------------------------- |
---|
| 905 | |
---|
| 906 | |
---|
| 907 | ! IM |
---|
| 908 | ! if (ncolprint.ne.0) then |
---|
| 909 | |
---|
| 910 | ! do j=1,npoints ,1000 |
---|
| 911 | ! write(6,'(a10)') 'j=' |
---|
| 912 | ! write(6,'(8I10)') j |
---|
| 913 | ! write (6,'(a)') 'ts:' |
---|
| 914 | ! write (6,'(8f7.2)') (skt(j),ibox=1,ncolprint) |
---|
| 915 | |
---|
| 916 | ! write (6,'(a)') 'ta_rev:' |
---|
| 917 | ! write (6,'(8f7.2)') |
---|
| 918 | ! & ((at(j,ilev2),ibox=1,ncolprint),ilev2=1,nlev) |
---|
| 919 | |
---|
| 920 | ! enddo |
---|
| 921 | ! endif |
---|
| 922 | !loop over columns |
---|
| 923 | DO ibox = 1, ncol |
---|
| 924 | DO j = 1, npoints |
---|
| 925 | fluxtop(j, ibox) = 0. |
---|
| 926 | trans_layers_above(j, ibox) = 1. |
---|
| 927 | END DO |
---|
| 928 | END DO |
---|
| 929 | |
---|
| 930 | DO ilev = 1, nlev |
---|
| 931 | DO j = 1, npoints |
---|
| 932 | ! Black body emission at temperature of the layer |
---|
| 933 | |
---|
| 934 | bb(j) = 1/(exp(1307.27/at(j,ilev))-1.) |
---|
| 935 | !bb(j)= 5.67e-8*at(j,ilev)**4 |
---|
| 936 | END DO |
---|
| 937 | |
---|
| 938 | DO ibox = 1, ncol |
---|
| 939 | DO j = 1, npoints |
---|
| 940 | |
---|
| 941 | ! emissivity for point in this layer |
---|
| 942 | ! IM REAL if (frac_out(j,ibox,ilev).eq.1) then |
---|
| 943 | IF (frac_out(j,ibox,ilev)==1.0) THEN |
---|
| 944 | dem(j, ibox) = 1. - ((1.-dem_wv(j,ilev))*(1.-dem_s(j,ilev))) |
---|
| 945 | ! IM REAL else if (frac_out(j,ibox,ilev).eq.2) then |
---|
| 946 | ELSE IF (frac_out(j,ibox,ilev)==2.0) THEN |
---|
| 947 | dem(j, ibox) = 1. - ((1.-dem_wv(j,ilev))*(1.-dem_c(j,ilev))) |
---|
| 948 | ELSE |
---|
| 949 | dem(j, ibox) = dem_wv(j, ilev) |
---|
| 950 | END IF |
---|
| 951 | |
---|
| 952 | |
---|
| 953 | ! increase TOA flux by flux emitted from layer |
---|
| 954 | ! times total transmittance in layers above |
---|
| 955 | |
---|
| 956 | fluxtop(j, ibox) = fluxtop(j, ibox) + dem(j, ibox)*bb(j)* & |
---|
| 957 | trans_layers_above(j, ibox) |
---|
| 958 | |
---|
| 959 | ! update trans_layers_above with transmissivity |
---|
| 960 | ! from this layer for next time around loop |
---|
| 961 | |
---|
| 962 | trans_layers_above(j, ibox) = trans_layers_above(j, ibox)* & |
---|
| 963 | (1.-dem(j,ibox)) |
---|
| 964 | |
---|
| 965 | END DO ! j |
---|
| 966 | END DO ! ibox |
---|
| 967 | |
---|
| 968 | ! IM |
---|
| 969 | ! if (ncolprint.ne.0) then |
---|
| 970 | ! do j=1,npoints,1000 |
---|
| 971 | ! write (6,'(a)') 'ilev:' |
---|
| 972 | ! write (6,'(I2)') ilev |
---|
| 973 | |
---|
| 974 | ! write(6,'(a10)') 'j=' |
---|
| 975 | ! write(6,'(8I10)') j |
---|
| 976 | ! write (6,'(a)') 'emiss_layer:' |
---|
| 977 | ! write (6,'(8f7.2)') (dem(j,ibox),ibox=1,ncolprint) |
---|
| 978 | |
---|
| 979 | ! write (6,'(a)') '100.*bb(j):' |
---|
| 980 | ! write (6,'(8f7.2)') (100.*bb(j),ibox=1,ncolprint) |
---|
| 981 | |
---|
| 982 | ! write (6,'(a)') '100.*f:' |
---|
| 983 | ! write (6,'(8f7.2)') |
---|
| 984 | ! & (100.*fluxtop(j,ibox),ibox=1,ncolprint) |
---|
| 985 | |
---|
| 986 | ! write (6,'(a)') 'total_trans:' |
---|
| 987 | ! write (6,'(8f7.2)') |
---|
| 988 | ! & (trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
| 989 | ! enddo |
---|
| 990 | ! endif |
---|
| 991 | |
---|
| 992 | END DO ! ilev |
---|
| 993 | |
---|
| 994 | |
---|
| 995 | DO j = 1, npoints |
---|
| 996 | !add in surface emission |
---|
| 997 | bb(j) = 1/(exp(1307.27/skt(j))-1.) |
---|
| 998 | !bb(j)=5.67e-8*skt(j)**4 |
---|
| 999 | END DO |
---|
| 1000 | |
---|
| 1001 | DO ibox = 1, ncol |
---|
| 1002 | DO j = 1, npoints |
---|
| 1003 | |
---|
[524] | 1004 | !add in surface emission |
---|
| 1005 | |
---|
[1992] | 1006 | fluxtop(j, ibox) = fluxtop(j, ibox) + emsfc_lw*bb(j)* & |
---|
| 1007 | trans_layers_above(j, ibox) |
---|
[524] | 1008 | |
---|
[1992] | 1009 | END DO |
---|
| 1010 | END DO |
---|
[524] | 1011 | |
---|
[1992] | 1012 | ! IM |
---|
| 1013 | ! if (ncolprint.ne.0) then |
---|
[524] | 1014 | |
---|
[1992] | 1015 | ! do j=1,npoints ,1000 |
---|
| 1016 | ! write(6,'(a10)') 'j=' |
---|
| 1017 | ! write(6,'(8I10)') j |
---|
| 1018 | ! write (6,'(a)') 'id:' |
---|
| 1019 | ! write (6,'(a)') 'surface' |
---|
[524] | 1020 | |
---|
[1992] | 1021 | ! write (6,'(a)') 'emiss_layer:' |
---|
| 1022 | ! write (6,'(8f7.2)') (dem(1,ibox),ibox=1,ncolprint) |
---|
[524] | 1023 | |
---|
[1992] | 1024 | ! write (6,'(a)') '100.*bb(j):' |
---|
| 1025 | ! write (6,'(8f7.2)') (100.*bb(j),ibox=1,ncolprint) |
---|
[524] | 1026 | |
---|
[1992] | 1027 | ! write (6,'(a)') '100.*f:' |
---|
| 1028 | ! write (6,'(8f7.2)') (100.*fluxtop(j,ibox),ibox=1,ncolprint) |
---|
| 1029 | ! end do |
---|
| 1030 | ! endif |
---|
[524] | 1031 | |
---|
[1992] | 1032 | !now that you have the top of atmosphere radiance account |
---|
| 1033 | !for ISCCP procedures to determine cloud top temperature |
---|
[524] | 1034 | |
---|
[1992] | 1035 | !account for partially transmitting cloud recompute flux |
---|
| 1036 | !ISCCP would see assuming a single layer cloud |
---|
| 1037 | !note choice here of 2.13, as it is primarily ice |
---|
| 1038 | !clouds which have partial emissivity and need the |
---|
| 1039 | !adjustment performed in this section |
---|
| 1040 | ! |
---|
| 1041 | !If it turns out that the cloud brightness temperature |
---|
| 1042 | !is greater than 260K, then the liquid cloud conversion |
---|
| 1043 | !factor of 2.56 is used. |
---|
| 1044 | ! |
---|
| 1045 | !Note that this is discussed on pages 85-87 of |
---|
| 1046 | !the ISCCP D level documentation (Rossow et al. 1996) |
---|
[524] | 1047 | |
---|
[1992] | 1048 | DO j = 1, npoints |
---|
| 1049 | !compute minimum brightness temperature and optical depth |
---|
| 1050 | btcmin(j) = 1./(exp(1307.27/(attrop(j)-5.))-1.) |
---|
| 1051 | END DO |
---|
| 1052 | DO ibox = 1, ncol |
---|
| 1053 | DO j = 1, npoints |
---|
| 1054 | transmax(j) = (fluxtop(j,ibox)-btcmin(j))/(fluxtop_clrsky(j)-btcmin(j & |
---|
| 1055 | )) |
---|
| 1056 | !note that the initial setting of tauir(j) is needed so that |
---|
| 1057 | !tauir(j) has a realistic value should the next if block be |
---|
| 1058 | !bypassed |
---|
| 1059 | tauir(j) = tau(j, ibox)*rec2p13 |
---|
| 1060 | taumin(j) = -1.*log(max(min(transmax(j),0.9999999),0.001)) |
---|
[524] | 1061 | |
---|
[1992] | 1062 | END DO |
---|
[524] | 1063 | |
---|
[1992] | 1064 | IF (top_height==1) THEN |
---|
| 1065 | DO j = 1, npoints |
---|
| 1066 | IF (transmax(j)>0.001 .AND. transmax(j)<=0.9999999) THEN |
---|
| 1067 | fluxtopinit(j) = fluxtop(j, ibox) |
---|
| 1068 | tauir(j) = tau(j, ibox)*rec2p13 |
---|
| 1069 | END IF |
---|
| 1070 | END DO |
---|
| 1071 | DO icycle = 1, 2 |
---|
| 1072 | DO j = 1, npoints |
---|
| 1073 | IF (tau(j,ibox)>(tauchk)) THEN |
---|
| 1074 | IF (transmax(j)>0.001 .AND. transmax(j)<=0.9999999) THEN |
---|
| 1075 | emcld(j, ibox) = 1. - exp(-1.*tauir(j)) |
---|
| 1076 | fluxtop(j, ibox) = fluxtopinit(j) - ((1.-emcld(j, & |
---|
| 1077 | ibox))*fluxtop_clrsky(j)) |
---|
| 1078 | fluxtop(j, ibox) = max(1.E-06, (fluxtop(j,ibox)/emcld(j, & |
---|
| 1079 | ibox))) |
---|
| 1080 | tb(j, ibox) = 1307.27/(log(1.+(1./fluxtop(j,ibox)))) |
---|
| 1081 | IF (tb(j,ibox)>260.) THEN |
---|
| 1082 | tauir(j) = tau(j, ibox)/2.56 |
---|
| 1083 | END IF |
---|
| 1084 | END IF |
---|
| 1085 | END IF |
---|
| 1086 | END DO |
---|
| 1087 | END DO |
---|
[524] | 1088 | |
---|
[1992] | 1089 | END IF |
---|
[524] | 1090 | |
---|
[1992] | 1091 | DO j = 1, npoints |
---|
| 1092 | IF (tau(j,ibox)>(tauchk)) THEN |
---|
| 1093 | !cloudy box |
---|
| 1094 | tb(j, ibox) = 1307.27/(log(1.+(1./fluxtop(j,ibox)))) |
---|
| 1095 | IF (top_height==1 .AND. tauir(j)<taumin(j)) THEN |
---|
| 1096 | tb(j, ibox) = attrop(j) - 5. |
---|
| 1097 | tau(j, ibox) = 2.13*taumin(j) |
---|
| 1098 | END IF |
---|
| 1099 | ELSE |
---|
| 1100 | !clear sky brightness temperature |
---|
| 1101 | tb(j, ibox) = 1307.27/(log(1.+(1./fluxtop_clrsky(j)))) |
---|
| 1102 | END IF |
---|
| 1103 | END DO ! j |
---|
| 1104 | END DO ! ibox |
---|
[524] | 1105 | |
---|
[1992] | 1106 | ! IM |
---|
| 1107 | ! if (ncolprint.ne.0) then |
---|
[524] | 1108 | |
---|
[1992] | 1109 | ! do j=1,npoints,1000 |
---|
| 1110 | ! write(6,'(a10)') 'j=' |
---|
| 1111 | ! write(6,'(8I10)') j |
---|
[524] | 1112 | |
---|
[1992] | 1113 | ! write (6,'(a)') 'attrop:' |
---|
| 1114 | ! write (6,'(8f7.2)') (attrop(j)) |
---|
[524] | 1115 | |
---|
[1992] | 1116 | ! write (6,'(a)') 'btcmin:' |
---|
| 1117 | ! write (6,'(8f7.2)') (btcmin(j)) |
---|
[524] | 1118 | |
---|
[1992] | 1119 | ! write (6,'(a)') 'fluxtop_clrsky*100:' |
---|
| 1120 | ! write (6,'(8f7.2)') |
---|
| 1121 | ! & (100.*fluxtop_clrsky(j)) |
---|
[524] | 1122 | |
---|
[1992] | 1123 | ! write (6,'(a)') '100.*f_adj:' |
---|
| 1124 | ! write (6,'(8f7.2)') (100.*fluxtop(j,ibox),ibox=1,ncolprint) |
---|
[524] | 1125 | |
---|
[1992] | 1126 | ! write (6,'(a)') 'transmax:' |
---|
| 1127 | ! write (6,'(8f7.2)') (transmax(ibox),ibox=1,ncolprint) |
---|
[524] | 1128 | |
---|
[1992] | 1129 | ! write (6,'(a)') 'tau:' |
---|
| 1130 | ! write (6,'(8f7.2)') (tau(j,ibox),ibox=1,ncolprint) |
---|
[524] | 1131 | |
---|
[1992] | 1132 | ! write (6,'(a)') 'emcld:' |
---|
| 1133 | ! write (6,'(8f7.2)') (emcld(j,ibox),ibox=1,ncolprint) |
---|
[524] | 1134 | |
---|
[1992] | 1135 | ! write (6,'(a)') 'total_trans:' |
---|
| 1136 | ! write (6,'(8f7.2)') |
---|
| 1137 | ! & (trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
[524] | 1138 | |
---|
[1992] | 1139 | ! write (6,'(a)') 'total_emiss:' |
---|
| 1140 | ! write (6,'(8f7.2)') |
---|
| 1141 | ! & (1.0-trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
[524] | 1142 | |
---|
[1992] | 1143 | ! write (6,'(a)') 'total_trans:' |
---|
| 1144 | ! write (6,'(8f7.2)') |
---|
| 1145 | ! & (trans_layers_above(j,ibox),ibox=1,ncolprint) |
---|
[524] | 1146 | |
---|
[1992] | 1147 | ! write (6,'(a)') 'ppout:' |
---|
| 1148 | ! write (6,'(8f7.2)') (tb(j,ibox),ibox=1,ncolprint) |
---|
| 1149 | ! enddo ! j |
---|
| 1150 | ! endif |
---|
[524] | 1151 | |
---|
[1992] | 1152 | END IF |
---|
[524] | 1153 | |
---|
[1992] | 1154 | ! ---------------------------------------------------! |
---|
[524] | 1155 | |
---|
| 1156 | |
---|
[1992] | 1157 | ! ---------------------------------------------------! |
---|
| 1158 | ! DETERMINE CLOUD TOP PRESSURE |
---|
[524] | 1159 | |
---|
[1992] | 1160 | ! again the 2 methods differ according to whether |
---|
| 1161 | ! or not you use the physical cloud top pressure (top_height = 2) |
---|
| 1162 | ! or the radiatively determined cloud top pressure (top_height = 1 or 3) |
---|
[524] | 1163 | |
---|
| 1164 | |
---|
[1992] | 1165 | !compute cloud top pressure |
---|
| 1166 | DO ibox = 1, ncol |
---|
| 1167 | !segregate according to optical thickness |
---|
| 1168 | IF (top_height==1 .OR. top_height==3) THEN |
---|
| 1169 | !find level whose temperature |
---|
| 1170 | !most closely matches brightness temperature |
---|
| 1171 | DO j = 1, npoints |
---|
| 1172 | nmatch(j) = 0 |
---|
| 1173 | END DO |
---|
| 1174 | DO ilev = 1, nlev - 1 |
---|
| 1175 | ! cdir nodep |
---|
| 1176 | DO j = 1, npoints |
---|
| 1177 | IF ((at(j,ilev)>=tb(j,ibox) .AND. at(j,ilev+1)<tb(j, & |
---|
| 1178 | ibox)) .OR. (at(j,ilev)<=tb(j,ibox) .AND. at(j,ilev+1)>tb(j, & |
---|
| 1179 | ibox))) THEN |
---|
[524] | 1180 | |
---|
[1992] | 1181 | nmatch(j) = nmatch(j) + 1 |
---|
| 1182 | IF (abs(at(j,ilev)-tb(j,ibox))<abs(at(j,ilev+1)-tb(j,ibox))) THEN |
---|
| 1183 | match(j, nmatch(j)) = ilev |
---|
| 1184 | ELSE |
---|
| 1185 | match(j, nmatch(j)) = ilev + 1 |
---|
| 1186 | END IF |
---|
| 1187 | END IF |
---|
| 1188 | END DO |
---|
| 1189 | END DO |
---|
[524] | 1190 | |
---|
[1992] | 1191 | DO j = 1, npoints |
---|
| 1192 | IF (nmatch(j)>=1) THEN |
---|
| 1193 | ptop(j, ibox) = pfull(j, match(j,nmatch(j))) |
---|
| 1194 | levmatch(j, ibox) = match(j, nmatch(j)) |
---|
| 1195 | ELSE |
---|
| 1196 | IF (tb(j,ibox)<atmin(j)) THEN |
---|
| 1197 | ptop(j, ibox) = ptrop(j) |
---|
| 1198 | levmatch(j, ibox) = itrop(j) |
---|
| 1199 | END IF |
---|
| 1200 | IF (tb(j,ibox)>atmax(j)) THEN |
---|
| 1201 | ptop(j, ibox) = pfull(j, nlev) |
---|
| 1202 | levmatch(j, ibox) = nlev |
---|
| 1203 | END IF |
---|
| 1204 | END IF |
---|
| 1205 | END DO ! j |
---|
[524] | 1206 | |
---|
[1992] | 1207 | ELSE ! if (top_height .eq. 1 .or. top_height .eq. 3) |
---|
[524] | 1208 | |
---|
[1992] | 1209 | DO j = 1, npoints |
---|
| 1210 | ptop(j, ibox) = 0. |
---|
| 1211 | END DO |
---|
| 1212 | DO ilev = 1, nlev |
---|
| 1213 | DO j = 1, npoints |
---|
| 1214 | IF ((ptop(j,ibox)==0.) & ! IM & |
---|
| 1215 | ! .and.(frac_out(j,ibox,ilev) .ne. 0)) |
---|
| 1216 | ! then |
---|
| 1217 | .AND. (frac_out(j,ibox,ilev)/=0.0)) THEN |
---|
| 1218 | ptop(j, ibox) = pfull(j, ilev) |
---|
| 1219 | levmatch(j, ibox) = ilev |
---|
| 1220 | END IF |
---|
| 1221 | END DO |
---|
| 1222 | END DO |
---|
| 1223 | END IF |
---|
[524] | 1224 | |
---|
[1992] | 1225 | DO j = 1, npoints |
---|
| 1226 | IF (tau(j,ibox)<=(tauchk)) THEN |
---|
| 1227 | ptop(j, ibox) = 0. |
---|
| 1228 | levmatch(j, ibox) = 0 |
---|
| 1229 | END IF |
---|
| 1230 | END DO |
---|
[524] | 1231 | |
---|
[1992] | 1232 | END DO |
---|
[524] | 1233 | |
---|
| 1234 | |
---|
| 1235 | |
---|
[1992] | 1236 | ! ---------------------------------------------------! |
---|
[524] | 1237 | |
---|
| 1238 | |
---|
| 1239 | |
---|
[1992] | 1240 | ! ---------------------------------------------------! |
---|
| 1241 | ! DETERMINE ISCCP CLOUD TYPE FREQUENCIES |
---|
[524] | 1242 | |
---|
[1992] | 1243 | ! Now that ptop and tau have been determined, |
---|
| 1244 | ! determine amount of each of the 49 ISCCP cloud |
---|
| 1245 | ! types |
---|
[524] | 1246 | |
---|
[1992] | 1247 | ! Also compute grid box mean cloud top pressure and |
---|
| 1248 | ! optical thickness. The mean cloud top pressure and |
---|
| 1249 | ! optical thickness are averages over the cloudy |
---|
| 1250 | ! area only. The mean cloud top pressure is a linear |
---|
| 1251 | ! average of the cloud top pressures. The mean cloud |
---|
| 1252 | ! optical thickness is computed by converting optical |
---|
| 1253 | ! thickness to an albedo, averaging in albedo units, |
---|
| 1254 | ! then converting the average albedo back to a mean |
---|
| 1255 | ! optical thickness. |
---|
[524] | 1256 | |
---|
| 1257 | |
---|
[1992] | 1258 | !compute isccp frequencies |
---|
[524] | 1259 | |
---|
[1992] | 1260 | !reset frequencies |
---|
| 1261 | DO ilev = 1, 7 |
---|
| 1262 | DO ilev2 = 1, 7 |
---|
| 1263 | DO j = 1, npoints ! |
---|
| 1264 | fq_isccp(j, ilev, ilev2) = 0. |
---|
| 1265 | END DO |
---|
| 1266 | END DO |
---|
| 1267 | END DO |
---|
[524] | 1268 | |
---|
[1992] | 1269 | !reset variables need for averaging cloud properties |
---|
| 1270 | DO j = 1, npoints |
---|
| 1271 | totalcldarea(j) = 0. |
---|
| 1272 | meanalbedocld(j) = 0. |
---|
| 1273 | meanptop(j) = 0. |
---|
| 1274 | meantaucld(j) = 0. |
---|
| 1275 | END DO ! j |
---|
[524] | 1276 | |
---|
[1992] | 1277 | boxarea = 1./real(ncol) |
---|
[524] | 1278 | |
---|
[1992] | 1279 | !determine optical depth category |
---|
| 1280 | ! IM do 39 j=1,npoints |
---|
| 1281 | ! IM do ibox=1,ncol |
---|
| 1282 | DO ibox = 1, ncol |
---|
| 1283 | DO j = 1, npoints |
---|
[524] | 1284 | |
---|
[1992] | 1285 | ! IM |
---|
| 1286 | ! CALL CPU_time(t1) |
---|
| 1287 | ! IM |
---|
[524] | 1288 | |
---|
[1992] | 1289 | IF (tau(j,ibox)>(tauchk) .AND. ptop(j,ibox)>0.) THEN |
---|
| 1290 | box_cloudy(j, ibox) = .TRUE. |
---|
| 1291 | END IF |
---|
[524] | 1292 | |
---|
[1992] | 1293 | ! IM |
---|
| 1294 | ! CALL CPU_time(t2) |
---|
| 1295 | ! print*,'IF tau t2 - t1',t2 - t1 |
---|
[524] | 1296 | |
---|
[1992] | 1297 | ! CALL CPU_time(t1) |
---|
| 1298 | ! IM |
---|
[524] | 1299 | |
---|
[1992] | 1300 | IF (box_cloudy(j,ibox)) THEN |
---|
[524] | 1301 | |
---|
[1992] | 1302 | ! totalcldarea always diagnosed day or night |
---|
| 1303 | totalcldarea(j) = totalcldarea(j) + boxarea |
---|
[524] | 1304 | |
---|
[1992] | 1305 | IF (sunlit(j)==1) THEN |
---|
[524] | 1306 | |
---|
[1992] | 1307 | ! tau diagnostics only with sunlight |
---|
[524] | 1308 | |
---|
[1992] | 1309 | boxtau(j, ibox) = tau(j, ibox) |
---|
[524] | 1310 | |
---|
[1992] | 1311 | !convert optical thickness to albedo |
---|
| 1312 | albedocld(j, ibox) = real(invtau(min(nint(100.*tau(j,ibox)), & |
---|
| 1313 | 45000))) |
---|
[524] | 1314 | |
---|
[1992] | 1315 | !contribute to averaging |
---|
| 1316 | meanalbedocld(j) = meanalbedocld(j) + albedocld(j, ibox)*boxarea |
---|
[524] | 1317 | |
---|
[1992] | 1318 | END IF |
---|
[524] | 1319 | |
---|
[1992] | 1320 | END IF |
---|
[524] | 1321 | |
---|
[1992] | 1322 | ! IM |
---|
| 1323 | ! CALL CPU_time(t2) |
---|
| 1324 | ! print*,'IF box_cloudy t2 - t1',t2 - t1 |
---|
[524] | 1325 | |
---|
[1992] | 1326 | ! CALL CPU_time(t1) |
---|
| 1327 | ! IM BEG |
---|
| 1328 | ! IM !convert ptop to millibars |
---|
| 1329 | ptop(j, ibox) = ptop(j, ibox)/100. |
---|
[524] | 1330 | |
---|
[1992] | 1331 | ! IM !save for output cloud top pressure and optical |
---|
| 1332 | ! thickness |
---|
| 1333 | boxptop(j, ibox) = ptop(j, ibox) |
---|
| 1334 | ! IM END |
---|
[524] | 1335 | |
---|
[1992] | 1336 | ! IM BEG |
---|
| 1337 | !reset itau(j), ipres(j) |
---|
| 1338 | itau(j) = 0 |
---|
| 1339 | ipres(j) = 0 |
---|
[524] | 1340 | |
---|
[1992] | 1341 | IF (tau(j,ibox)<isccp_taumin) THEN |
---|
| 1342 | itau(j) = 1 |
---|
| 1343 | ELSE IF (tau(j,ibox)>=isccp_taumin .AND. tau(j,ibox)<1.3) THEN |
---|
| 1344 | itau(j) = 2 |
---|
| 1345 | ELSE IF (tau(j,ibox)>=1.3 .AND. tau(j,ibox)<3.6) THEN |
---|
| 1346 | itau(j) = 3 |
---|
| 1347 | ELSE IF (tau(j,ibox)>=3.6 .AND. tau(j,ibox)<9.4) THEN |
---|
| 1348 | itau(j) = 4 |
---|
| 1349 | ELSE IF (tau(j,ibox)>=9.4 .AND. tau(j,ibox)<23.) THEN |
---|
| 1350 | itau(j) = 5 |
---|
| 1351 | ELSE IF (tau(j,ibox)>=23. .AND. tau(j,ibox)<60.) THEN |
---|
| 1352 | itau(j) = 6 |
---|
| 1353 | ELSE IF (tau(j,ibox)>=60.) THEN |
---|
| 1354 | itau(j) = 7 |
---|
| 1355 | END IF |
---|
[524] | 1356 | |
---|
[1992] | 1357 | !determine cloud top pressure category |
---|
| 1358 | IF (ptop(j,ibox)>0. .AND. ptop(j,ibox)<180.) THEN |
---|
| 1359 | ipres(j) = 1 |
---|
| 1360 | ELSE IF (ptop(j,ibox)>=180. .AND. ptop(j,ibox)<310.) THEN |
---|
| 1361 | ipres(j) = 2 |
---|
| 1362 | ELSE IF (ptop(j,ibox)>=310. .AND. ptop(j,ibox)<440.) THEN |
---|
| 1363 | ipres(j) = 3 |
---|
| 1364 | ELSE IF (ptop(j,ibox)>=440. .AND. ptop(j,ibox)<560.) THEN |
---|
| 1365 | ipres(j) = 4 |
---|
| 1366 | ELSE IF (ptop(j,ibox)>=560. .AND. ptop(j,ibox)<680.) THEN |
---|
| 1367 | ipres(j) = 5 |
---|
| 1368 | ELSE IF (ptop(j,ibox)>=680. .AND. ptop(j,ibox)<800.) THEN |
---|
| 1369 | ipres(j) = 6 |
---|
| 1370 | ELSE IF (ptop(j,ibox)>=800.) THEN |
---|
| 1371 | ipres(j) = 7 |
---|
| 1372 | END IF |
---|
| 1373 | ! IM END |
---|
[524] | 1374 | |
---|
[1992] | 1375 | IF (sunlit(j)==1 .OR. top_height==3) THEN |
---|
[524] | 1376 | |
---|
[1992] | 1377 | ! IM !convert ptop to millibars |
---|
| 1378 | ! IM ptop(j,ibox)=ptop(j,ibox) / 100. |
---|
[524] | 1379 | |
---|
[1992] | 1380 | ! IM !save for output cloud top pressure and optical |
---|
| 1381 | ! thickness |
---|
| 1382 | ! IM boxptop(j,ibox) = ptop(j,ibox) |
---|
[524] | 1383 | |
---|
[1992] | 1384 | IF (box_cloudy(j,ibox)) THEN |
---|
[524] | 1385 | |
---|
[1992] | 1386 | meanptop(j) = meanptop(j) + ptop(j, ibox)*boxarea |
---|
[524] | 1387 | |
---|
[1992] | 1388 | ! IM !reset itau(j), ipres(j) |
---|
| 1389 | ! IM itau(j) = 0 |
---|
| 1390 | ! IM ipres(j) = 0 |
---|
[524] | 1391 | |
---|
[1992] | 1392 | ! if (tau(j,ibox) .lt. isccp_taumin) then |
---|
| 1393 | ! itau(j)=1 |
---|
| 1394 | ! else if (tau(j,ibox) .ge. isccp_taumin |
---|
| 1395 | ! & |
---|
| 1396 | ! & .and. tau(j,ibox) .lt. 1.3) then |
---|
| 1397 | ! itau(j)=2 |
---|
| 1398 | ! else if (tau(j,ibox) .ge. 1.3 |
---|
| 1399 | ! & .and. tau(j,ibox) .lt. 3.6) then |
---|
| 1400 | ! itau(j)=3 |
---|
| 1401 | ! else if (tau(j,ibox) .ge. 3.6 |
---|
| 1402 | ! & .and. tau(j,ibox) .lt. 9.4) then |
---|
| 1403 | ! itau(j)=4 |
---|
| 1404 | ! else if (tau(j,ibox) .ge. 9.4 |
---|
| 1405 | ! & .and. tau(j,ibox) .lt. 23.) then |
---|
| 1406 | ! itau(j)=5 |
---|
| 1407 | ! else if (tau(j,ibox) .ge. 23. |
---|
| 1408 | ! & .and. tau(j,ibox) .lt. 60.) then |
---|
| 1409 | ! itau(j)=6 |
---|
| 1410 | ! else if (tau(j,ibox) .ge. 60.) then |
---|
| 1411 | ! itau(j)=7 |
---|
| 1412 | ! end if |
---|
[524] | 1413 | |
---|
[1992] | 1414 | ! !determine cloud top pressure category |
---|
| 1415 | ! if ( ptop(j,ibox) .gt. 0. |
---|
| 1416 | ! & .and.ptop(j,ibox) .lt. 180.) then |
---|
| 1417 | ! ipres(j)=1 |
---|
| 1418 | ! else if(ptop(j,ibox) .ge. 180. |
---|
| 1419 | ! & .and.ptop(j,ibox) .lt. 310.) then |
---|
| 1420 | ! ipres(j)=2 |
---|
| 1421 | ! else if(ptop(j,ibox) .ge. 310. |
---|
| 1422 | ! & .and.ptop(j,ibox) .lt. 440.) then |
---|
| 1423 | ! ipres(j)=3 |
---|
| 1424 | ! else if(ptop(j,ibox) .ge. 440. |
---|
| 1425 | ! & .and.ptop(j,ibox) .lt. 560.) then |
---|
| 1426 | ! ipres(j)=4 |
---|
| 1427 | ! else if(ptop(j,ibox) .ge. 560. |
---|
| 1428 | ! & .and.ptop(j,ibox) .lt. 680.) then |
---|
| 1429 | ! ipres(j)=5 |
---|
| 1430 | ! else if(ptop(j,ibox) .ge. 680. |
---|
| 1431 | ! & .and.ptop(j,ibox) .lt. 800.) then |
---|
| 1432 | ! ipres(j)=6 |
---|
| 1433 | ! else if(ptop(j,ibox) .ge. 800.) then |
---|
| 1434 | ! ipres(j)=7 |
---|
| 1435 | ! end if |
---|
| 1436 | |
---|
| 1437 | !update frequencies |
---|
| 1438 | IF (ipres(j)>0 .AND. itau(j)>0) THEN |
---|
| 1439 | fq_isccp(j, itau(j), ipres(j)) = fq_isccp(j, itau(j), ipres(j)) + & |
---|
| 1440 | boxarea |
---|
| 1441 | END IF |
---|
| 1442 | |
---|
| 1443 | ! IM calcul stats regime dynamique BEG |
---|
| 1444 | ! iw(j) = int((w(j)-wmin)/pas_w) +1 |
---|
| 1445 | ! pctj(itau(j),ipres(j),iw(j))=.FALSE. |
---|
| 1446 | ! !update frequencies W500 |
---|
| 1447 | ! if (pct_ocean(j)) then |
---|
| 1448 | ! if (ipres(j) .gt. 0.and.itau(j) .gt. 0) then |
---|
| 1449 | ! if (iw(j) .gt. int(wmin).and.iw(j) .le. iwmx) then |
---|
| 1450 | ! print*,' ISCCP iw=',iw(j),j |
---|
| 1451 | ! fq_dynreg(itau(j),ipres(j),iw(j))= |
---|
| 1452 | ! & fq_dynreg(itau(j),ipres(j),iw(j))+ |
---|
| 1453 | ! & boxarea |
---|
| 1454 | ! & fq_isccp(j,itau(j),ipres(j)) |
---|
| 1455 | ! pctj(itau(j),ipres(j),iw(j))=.TRUE. |
---|
| 1456 | ! nfq_dynreg(itau(j),ipres(j),iw(j))= |
---|
| 1457 | ! & nfq_dynreg(itau(j),ipres(j),iw(j))+1. |
---|
| 1458 | ! end if |
---|
| 1459 | ! end if |
---|
| 1460 | ! end if |
---|
| 1461 | ! IM calcul stats regime dynamique END |
---|
| 1462 | END IF !IM boxcloudy |
---|
| 1463 | |
---|
| 1464 | END IF !IM sunlit |
---|
| 1465 | |
---|
| 1466 | ! IM |
---|
| 1467 | ! CALL CPU_time(t2) |
---|
| 1468 | ! print*,'IF sunlit boxcloudy t2 - t1',t2 - t1 |
---|
| 1469 | ! IM |
---|
| 1470 | END DO !IM ibox/j |
---|
| 1471 | |
---|
| 1472 | |
---|
| 1473 | ! IM ajout stats s/ W500 BEG |
---|
| 1474 | ! IM ajout stats s/ W500 END |
---|
| 1475 | |
---|
| 1476 | ! if(j.EQ.6722) then |
---|
| 1477 | ! print*,' ISCCP',w(j),iw(j),ipres(j),itau(j) |
---|
| 1478 | ! endif |
---|
| 1479 | |
---|
| 1480 | ! if (pct_ocean(j)) then |
---|
| 1481 | ! if (ipres(j) .gt. 0.and.itau(j) .gt. 0) then |
---|
| 1482 | ! if (iw(j) .gt. int(wmin).and.iw(j) .le. iwmx) then |
---|
| 1483 | ! if(pctj(itau(j),ipres(j),iw(j))) THEN |
---|
| 1484 | ! nfq_dynreg(itau(j),ipres(j),iw(j))= |
---|
| 1485 | ! & nfq_dynreg(itau(j),ipres(j),iw(j))+1. |
---|
| 1486 | ! if(itau(j).EQ.4.AND.ipres(j).EQ.2.AND. |
---|
| 1487 | ! & iw(j).EQ.10) then |
---|
| 1488 | ! PRINT*,' isccp AVANT', |
---|
| 1489 | ! & nfq_dynreg(itau(j),ipres(j),iw(j)), |
---|
| 1490 | ! & fq_dynreg(itau(j),ipres(j),iw(j)) |
---|
| 1491 | ! endif |
---|
| 1492 | ! endif |
---|
| 1493 | ! endif |
---|
| 1494 | ! endif |
---|
| 1495 | ! endif |
---|
| 1496 | |
---|
| 1497 | END DO |
---|
| 1498 | !compute mean cloud properties |
---|
| 1499 | ! IM j/ibox |
---|
| 1500 | DO j = 1, npoints |
---|
| 1501 | IF (totalcldarea(j)>0.) THEN |
---|
| 1502 | meanptop(j) = meanptop(j)/totalcldarea(j) |
---|
| 1503 | IF (sunlit(j)==1) THEN |
---|
| 1504 | meanalbedocld(j) = meanalbedocld(j)/totalcldarea(j) |
---|
| 1505 | meantaucld(j) = tautab(min(255,max(1,nint(meanalbedocld(j))))) |
---|
| 1506 | END IF |
---|
| 1507 | END IF |
---|
| 1508 | END DO ! j |
---|
| 1509 | |
---|
| 1510 | ! IM ajout stats s/ W500 BEG |
---|
| 1511 | ! do nw = 1, iwmx |
---|
| 1512 | ! do l = 1, 7 |
---|
| 1513 | ! do k = 1, 7 |
---|
| 1514 | ! if (nfq_dynreg(k,l,nw).GT.0.) then |
---|
| 1515 | ! fq_dynreg(k,l,nw) = fq_dynreg(k,l,nw)/nfq_dynreg(k,l,nw) |
---|
| 1516 | ! if(k.EQ.4.AND.l.EQ.2.AND.nw.EQ.10) then |
---|
| 1517 | ! print*,' isccp APRES',nfq_dynreg(k,l,nw), |
---|
| 1518 | ! & fq_dynreg(k,l,nw) |
---|
| 1519 | ! endif |
---|
| 1520 | ! else |
---|
| 1521 | ! if(fq_dynreg(k,l,nw).NE.0.) then |
---|
| 1522 | ! print*,'nfq_dynreg = 0 tau,pc,nw',k,l,nw,fq_dynreg(k,l,nw) |
---|
| 1523 | ! endif |
---|
| 1524 | ! fq_dynreg(k,l,nw) = -1.E+20 |
---|
| 1525 | ! nfq_dynreg(k,l,nw) = 1.E+20 |
---|
| 1526 | ! end if |
---|
| 1527 | ! enddo !k |
---|
| 1528 | ! enddo !l |
---|
| 1529 | ! enddo !nw |
---|
| 1530 | ! IM ajout stats s/ W500 END |
---|
| 1531 | ! ---------------------------------------------------! |
---|
| 1532 | |
---|
| 1533 | ! ---------------------------------------------------! |
---|
| 1534 | ! OPTIONAL PRINTOUT OF DATA TO CHECK PROGRAM |
---|
| 1535 | |
---|
| 1536 | ! cIM |
---|
| 1537 | ! if (debugcol.ne.0) then |
---|
| 1538 | |
---|
| 1539 | ! do j=1,npoints,debugcol |
---|
| 1540 | |
---|
| 1541 | ! !produce character output |
---|
| 1542 | ! do ilev=1,nlev |
---|
| 1543 | ! do ibox=1,ncol |
---|
| 1544 | ! acc(ilev,ibox)=0 |
---|
| 1545 | ! enddo |
---|
| 1546 | ! enddo |
---|
| 1547 | |
---|
| 1548 | ! do ilev=1,nlev |
---|
| 1549 | ! do ibox=1,ncol |
---|
| 1550 | ! acc(ilev,ibox)=frac_out(j,ibox,ilev)*2 |
---|
| 1551 | ! if (levmatch(j,ibox) .eq. ilev) |
---|
| 1552 | ! & acc(ilev,ibox)=acc(ilev,ibox)+1 |
---|
| 1553 | ! enddo |
---|
| 1554 | ! enddo |
---|
| 1555 | |
---|
| 1556 | !print test |
---|
| 1557 | |
---|
| 1558 | ! write(ftn09,11) j |
---|
| 1559 | ! 11 format('ftn09.',i4.4) |
---|
| 1560 | ! open(9, FILE=ftn09, FORM='FORMATTED') |
---|
| 1561 | |
---|
| 1562 | ! write(9,'(a1)') ' ' |
---|
| 1563 | ! write(9,'(10i5)') |
---|
| 1564 | ! & (ilev,ilev=5,nlev,5) |
---|
| 1565 | ! write(9,'(a1)') ' ' |
---|
| 1566 | |
---|
| 1567 | ! do ibox=1,ncol |
---|
| 1568 | ! write(9,'(40(a1),1x,40(a1))') |
---|
| 1569 | ! & (cchar_realtops(acc(ilev,ibox)+1),ilev=1,nlev) |
---|
| 1570 | ! & ,(cchar(acc(ilev,ibox)+1),ilev=1,nlev) |
---|
| 1571 | ! end do |
---|
| 1572 | ! close(9) |
---|
| 1573 | |
---|
| 1574 | ! IM |
---|
| 1575 | ! if (ncolprint.ne.0) then |
---|
| 1576 | ! write(6,'(a1)') ' ' |
---|
| 1577 | ! write(6,'(a2,1X,5(a7,1X),a50)') |
---|
| 1578 | ! & 'ilev', |
---|
| 1579 | ! & 'pfull','at', |
---|
| 1580 | ! & 'cc*100','dem_s','dtau_s', |
---|
| 1581 | ! & 'cchar' |
---|
| 1582 | |
---|
| 1583 | ! do 4012 ilev=1,nlev |
---|
| 1584 | ! write(6,'(60i2)') (box(i,ilev),i=1,ncolprint) |
---|
| 1585 | ! write(6,'(i2,1X,5(f7.2,1X),50(a1))') |
---|
| 1586 | ! & ilev, |
---|
| 1587 | ! & pfull(j,ilev)/100.,at(j,ilev), |
---|
| 1588 | ! & cc(j,ilev)*100.0,dem_s(j,ilev),dtau_s(j,ilev) |
---|
| 1589 | ! & ,(cchar(acc(ilev,ibox)+1),ibox=1,ncolprint) |
---|
| 1590 | ! 4012 continue |
---|
| 1591 | ! write (6,'(a)') 'skt(j):' |
---|
| 1592 | ! write (6,'(8f7.2)') skt(j) |
---|
| 1593 | |
---|
| 1594 | ! write (6,'(8I7)') (ibox,ibox=1,ncolprint) |
---|
| 1595 | |
---|
| 1596 | ! write (6,'(a)') 'tau:' |
---|
| 1597 | ! write (6,'(8f7.2)') (tau(j,ibox),ibox=1,ncolprint) |
---|
| 1598 | |
---|
| 1599 | ! write (6,'(a)') 'tb:' |
---|
| 1600 | ! write (6,'(8f7.2)') (tb(j,ibox),ibox=1,ncolprint) |
---|
| 1601 | |
---|
| 1602 | ! write (6,'(a)') 'ptop:' |
---|
| 1603 | ! write (6,'(8f7.2)') (ptop(j,ibox),ibox=1,ncolprint) |
---|
| 1604 | ! endif |
---|
| 1605 | |
---|
| 1606 | ! enddo |
---|
| 1607 | |
---|
| 1608 | ! end if |
---|
| 1609 | |
---|
| 1610 | RETURN |
---|
| 1611 | END SUBROUTINE isccp_cloud_types |
---|