[3331] | 1 | ! (c) 2008, Lawrence Livermore National Security Limited Liability Corporation. |
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| 2 | ! All rights reserved. |
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| 3 | ! $Revision: 23 $, $Date: 2011-03-31 15:41:37 +0200 (jeu. 31 mars 2011) $ |
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| 4 | ! $URL: http://cfmip-obs-sim.googlecode.com/svn/stable/v1.4.0/llnl/prec_scops.f $ |
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| 5 | ! |
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| 6 | ! Redistribution and use in source and binary forms, with or without modification, are permitted |
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| 7 | ! provided that the following conditions are met: |
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| 8 | ! |
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| 9 | ! * Redistributions of source code must retain the above copyright notice, this list |
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| 10 | ! of conditions and the following disclaimer. |
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| 11 | ! * Redistributions in binary form must reproduce the above copyright notice, this list |
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| 12 | ! of conditions and the following disclaimer in the documentation and/or other materials |
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| 13 | ! provided with the distribution. |
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| 14 | ! * Neither the name of the Lawrence Livermore National Security Limited Liability Corporation |
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| 15 | ! nor the names of its contributors may be used to endorse or promote products derived from |
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| 16 | ! this software without specific prior written permission. |
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| 17 | ! |
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| 18 | ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR |
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| 19 | ! IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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| 20 | ! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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| 21 | ! CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 22 | ! DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | ! DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
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| 24 | ! IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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| 25 | ! OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 26 | |
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| 27 | subroutine prec_scops(npoints,nlev,ncol,ls_p_rate,cv_p_rate, |
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| 28 | & frac_out,prec_frac) |
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| 29 | |
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| 30 | |
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| 31 | implicit none |
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| 32 | |
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| 33 | INTEGER npoints ! number of model points in the horizontal |
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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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| 36 | |
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| 37 | INTEGER i,j,ilev,ibox,cv_col |
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| 38 | |
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| 39 | REAL ls_p_rate(npoints,nlev),cv_p_rate(npoints,nlev) |
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| 40 | |
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| 41 | REAL frac_out(npoints,ncol,nlev) ! boxes gridbox divided up into |
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| 42 | ! Equivalent of BOX in original version, but |
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| 43 | ! indexed by column then row, rather than |
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| 44 | ! by row then column |
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| 45 | !TOA to SURFACE!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 46 | REAL prec_frac(npoints,ncol,nlev) ! 0 -> clear sky |
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| 47 | ! 1 -> LS precipitation |
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| 48 | ! 2 -> CONV precipitation |
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| 49 | ! 3 -> both |
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| 50 | !TOA to SURFACE!!!!!!!!!!!!!!!!!! |
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| 51 | |
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| 52 | INTEGER flag_ls, flag_cv |
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| 53 | INTEGER frac_out_ls(npoints,ncol),frac_out_cv(npoints,ncol) !flag variables for |
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| 54 | ! stratiform cloud and convective cloud in the vertical column |
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| 55 | |
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| 56 | cv_col = 0.05*ncol |
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| 57 | if (cv_col .eq. 0) cv_col=1 |
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| 58 | |
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| 59 | do ilev=1,nlev |
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| 60 | do ibox=1,ncol |
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| 61 | do j=1,npoints |
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| 62 | prec_frac(j,ibox,ilev) = 0 |
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| 63 | enddo |
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| 64 | enddo |
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| 65 | enddo |
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| 66 | |
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| 67 | do j=1,npoints |
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| 68 | do ibox=1,ncol |
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| 69 | frac_out_ls(j,ibox)=0 |
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| 70 | frac_out_cv(j,ibox)=0 |
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| 71 | flag_ls=0 |
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| 72 | flag_cv=0 |
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| 73 | do ilev=1,nlev |
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| 74 | if (frac_out(j,ibox,ilev) .eq. 1) then |
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| 75 | flag_ls=1 |
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| 76 | endif |
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| 77 | if (frac_out(j,ibox,ilev) .eq. 2) then |
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| 78 | flag_cv=1 |
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| 79 | endif |
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| 80 | enddo !loop over nlev |
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| 81 | if (flag_ls .eq. 1) then |
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| 82 | frac_out_ls(j,ibox)=1 |
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| 83 | endif |
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| 84 | if (flag_cv .eq. 1) then |
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| 85 | frac_out_cv(j,ibox)=1 |
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| 86 | endif |
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| 87 | enddo ! loop over ncol |
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| 88 | enddo ! loop over npoints |
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| 89 | |
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| 90 | ! initialize the top layer |
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| 91 | do j=1,npoints |
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| 92 | flag_ls=0 |
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| 93 | flag_cv=0 |
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| 94 | |
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| 95 | if (ls_p_rate(j,1) .gt. 0.) then |
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| 96 | do ibox=1,ncol ! possibility ONE |
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| 97 | if (frac_out(j,ibox,1) .eq. 1) then |
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| 98 | prec_frac(j,ibox,1) = 1 |
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| 99 | flag_ls=1 |
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| 100 | endif |
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| 101 | enddo ! loop over ncol |
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| 102 | if (flag_ls .eq. 0) then ! possibility THREE |
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| 103 | do ibox=1,ncol |
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| 104 | if (frac_out(j,ibox,2) .eq. 1) then |
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| 105 | prec_frac(j,ibox,1) = 1 |
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| 106 | flag_ls=1 |
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| 107 | endif |
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| 108 | enddo ! loop over ncol |
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| 109 | endif |
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| 110 | if (flag_ls .eq. 0) then ! possibility Four |
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| 111 | do ibox=1,ncol |
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| 112 | if (frac_out_ls(j,ibox) .eq. 1) then |
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| 113 | prec_frac(j,ibox,1) = 1 |
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| 114 | flag_ls=1 |
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| 115 | endif |
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| 116 | enddo ! loop over ncol |
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| 117 | endif |
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| 118 | if (flag_ls .eq. 0) then ! possibility Five |
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| 119 | do ibox=1,ncol |
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| 120 | ! prec_frac(j,1:ncol,1) = 1 |
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| 121 | prec_frac(j,ibox,1) = 1 |
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| 122 | enddo ! loop over ncol |
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| 123 | endif |
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| 124 | endif |
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| 125 | ! There is large scale precipitation |
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| 126 | |
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| 127 | if (cv_p_rate(j,1) .gt. 0.) then |
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| 128 | do ibox=1,ncol ! possibility ONE |
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| 129 | if (frac_out(j,ibox,1) .eq. 2) then |
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| 130 | if (prec_frac(j,ibox,1) .eq. 0) then |
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| 131 | prec_frac(j,ibox,1) = 2 |
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| 132 | else |
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| 133 | prec_frac(j,ibox,1) = 3 |
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| 134 | endif |
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| 135 | flag_cv=1 |
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| 136 | endif |
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| 137 | enddo ! loop over ncol |
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| 138 | if (flag_cv .eq. 0) then ! possibility THREE |
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| 139 | do ibox=1,ncol |
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| 140 | if (frac_out(j,ibox,2) .eq. 2) then |
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| 141 | if (prec_frac(j,ibox,1) .eq. 0) then |
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| 142 | prec_frac(j,ibox,1) = 2 |
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| 143 | else |
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| 144 | prec_frac(j,ibox,1) = 3 |
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| 145 | endif |
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| 146 | flag_cv=1 |
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| 147 | endif |
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| 148 | enddo ! loop over ncol |
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| 149 | endif |
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| 150 | if (flag_cv .eq. 0) then ! possibility Four |
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| 151 | do ibox=1,ncol |
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| 152 | if (frac_out_cv(j,ibox) .eq. 1) then |
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| 153 | if (prec_frac(j,ibox,1) .eq. 0) then |
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| 154 | prec_frac(j,ibox,1) = 2 |
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| 155 | else |
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| 156 | prec_frac(j,ibox,1) = 3 |
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| 157 | endif |
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| 158 | flag_cv=1 |
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| 159 | endif |
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| 160 | enddo ! loop over ncol |
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| 161 | endif |
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| 162 | if (flag_cv .eq. 0) then ! possibility Five |
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| 163 | do ibox=1,cv_col |
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| 164 | if (prec_frac(j,ibox,1) .eq. 0) then |
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| 165 | prec_frac(j,ibox,1) = 2 |
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| 166 | else |
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| 167 | prec_frac(j,ibox,1) = 3 |
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| 168 | endif |
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| 169 | enddo !loop over cv_col |
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| 170 | endif |
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| 171 | endif |
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| 172 | ! There is convective precipitation |
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| 173 | |
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| 174 | enddo ! loop over npoints |
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| 175 | ! end of initializing the top layer |
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| 176 | |
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| 177 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 178 | |
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| 179 | ! working on the levels from top to surface |
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| 180 | do ilev=2,nlev |
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| 181 | do j=1,npoints |
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| 182 | flag_ls=0 |
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| 183 | flag_cv=0 |
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| 184 | |
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| 185 | if (ls_p_rate(j,ilev) .gt. 0.) then |
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| 186 | do ibox=1,ncol ! possibility ONE&TWO |
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| 187 | if ((frac_out(j,ibox,ilev) .eq. 1) .or. |
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| 188 | & ((prec_frac(j,ibox,ilev-1) .eq. 1) |
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| 189 | & .or. (prec_frac(j,ibox,ilev-1) .eq. 3))) then |
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| 190 | prec_frac(j,ibox,ilev) = 1 |
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| 191 | flag_ls=1 |
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| 192 | endif |
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| 193 | enddo ! loop over ncol |
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| 194 | if ((flag_ls .eq. 0) .and. (ilev .lt. nlev)) then ! possibility THREE |
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| 195 | do ibox=1,ncol |
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| 196 | if (frac_out(j,ibox,ilev+1) .eq. 1) then |
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| 197 | prec_frac(j,ibox,ilev) = 1 |
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| 198 | flag_ls=1 |
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| 199 | endif |
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| 200 | enddo ! loop over ncol |
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| 201 | endif |
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| 202 | if (flag_ls .eq. 0) then ! possibility Four |
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| 203 | do ibox=1,ncol |
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| 204 | if (frac_out_ls(j,ibox) .eq. 1) then |
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| 205 | prec_frac(j,ibox,ilev) = 1 |
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| 206 | flag_ls=1 |
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| 207 | endif |
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| 208 | enddo ! loop over ncol |
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| 209 | endif |
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| 210 | if (flag_ls .eq. 0) then ! possibility Five |
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| 211 | do ibox=1,ncol |
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| 212 | ! prec_frac(j,1:ncol,ilev) = 1 |
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| 213 | prec_frac(j,ibox,ilev) = 1 |
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| 214 | enddo ! loop over ncol |
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| 215 | endif |
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| 216 | endif ! There is large scale precipitation |
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| 217 | |
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| 218 | if (cv_p_rate(j,ilev) .gt. 0.) then |
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| 219 | do ibox=1,ncol ! possibility ONE&TWO |
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| 220 | if ((frac_out(j,ibox,ilev) .eq. 2) .or. |
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| 221 | & ((prec_frac(j,ibox,ilev-1) .eq. 2) |
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| 222 | & .or. (prec_frac(j,ibox,ilev-1) .eq. 3))) then |
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| 223 | if (prec_frac(j,ibox,ilev) .eq. 0) then |
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| 224 | prec_frac(j,ibox,ilev) = 2 |
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| 225 | else |
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| 226 | prec_frac(j,ibox,ilev) = 3 |
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| 227 | endif |
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| 228 | flag_cv=1 |
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| 229 | endif |
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| 230 | enddo ! loop over ncol |
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| 231 | if ((flag_cv .eq. 0) .and. (ilev .lt. nlev)) then ! possibility THREE |
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| 232 | do ibox=1,ncol |
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| 233 | if (frac_out(j,ibox,ilev+1) .eq. 2) then |
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| 234 | if (prec_frac(j,ibox,ilev) .eq. 0) then |
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| 235 | prec_frac(j,ibox,ilev) = 2 |
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| 236 | else |
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| 237 | prec_frac(j,ibox,ilev) = 3 |
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| 238 | endif |
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| 239 | flag_cv=1 |
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| 240 | endif |
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| 241 | enddo ! loop over ncol |
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| 242 | endif |
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| 243 | if (flag_cv .eq. 0) then ! possibility Four |
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| 244 | do ibox=1,ncol |
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| 245 | if (frac_out_cv(j,ibox) .eq. 1) then |
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| 246 | if (prec_frac(j,ibox,ilev) .eq. 0) then |
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| 247 | prec_frac(j,ibox,ilev) = 2 |
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| 248 | else |
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| 249 | prec_frac(j,ibox,ilev) = 3 |
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| 250 | endif |
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| 251 | flag_cv=1 |
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| 252 | endif |
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| 253 | enddo ! loop over ncol |
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| 254 | endif |
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| 255 | if (flag_cv .eq. 0) then ! possibility Five |
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| 256 | do ibox=1,cv_col |
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| 257 | if (prec_frac(j,ibox,ilev) .eq. 0) then |
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| 258 | prec_frac(j,ibox,ilev) = 2 |
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| 259 | else |
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| 260 | prec_frac(j,ibox,ilev) = 3 |
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| 261 | endif |
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| 262 | enddo !loop over cv_col |
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| 263 | endif |
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| 264 | endif ! There is convective precipitation |
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| 265 | |
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| 266 | enddo ! loop over npoints |
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| 267 | enddo ! loop over nlev |
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| 268 | |
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| 269 | end |
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| 270 | |
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