[3] | 1 | subroutine gwprofil |
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| 2 | * ( nlon, nlev |
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| 3 | * , kgwd ,kdx , ktest |
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| 4 | * , kkcrit, kkcrith, kcrit , kkenvh, kknu,kknu2 |
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[2047] | 5 | * , kkbreak |
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[3] | 6 | * , paphm1, prho , pstab , ptfr , pvph , pri , ptau |
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| 7 | * , pdmod , pnu , psig ,pgamma, pstd, ppic,pval) |
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| 8 | |
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| 9 | C**** *gwprofil* |
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| 10 | C |
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| 11 | C purpose. |
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| 12 | C -------- |
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| 13 | C |
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| 14 | C** interface. |
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| 15 | C ---------- |
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| 16 | C from *gwdrag* |
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| 17 | C |
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| 18 | C explicit arguments : |
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| 19 | C -------------------- |
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| 20 | C ==== inputs === |
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| 21 | C |
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| 22 | C ==== outputs === |
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| 23 | C |
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| 24 | C implicit arguments : none |
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| 25 | C -------------------- |
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| 26 | C |
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| 27 | C method: |
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| 28 | C ------- |
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| 29 | C the stress profile for gravity waves is computed as follows: |
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| 30 | C it decreases linearly with heights from the ground |
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| 31 | C to the low-level indicated by kkcrith, |
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| 32 | C to simulates lee waves or |
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| 33 | C low-level gravity wave breaking. |
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| 34 | C above it is constant, except when the waves encounter a critical |
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| 35 | C level (kcrit) or when they break. |
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| 36 | C The stress is also uniformly distributed above the level |
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| 37 | C ntop. |
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| 38 | C |
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[101] | 39 | use dimphy |
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[3] | 40 | IMPLICIT NONE |
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| 41 | |
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| 42 | #include "YOMCST.h" |
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| 43 | #include "YOEGWD.h" |
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| 44 | |
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| 45 | C----------------------------------------------------------------------- |
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| 46 | C |
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| 47 | C* 0.1 ARGUMENTS |
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| 48 | C --------- |
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| 49 | C |
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| 50 | integer nlon,nlev,kgwd |
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| 51 | integer kkcrit(nlon),kkcrith(nlon),kcrit(nlon) |
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| 52 | * ,kdx(nlon),ktest(nlon) |
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[2047] | 53 | * ,kkenvh(nlon),kknu(nlon),kknu2(nlon),kkbreak(nlon) |
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[3] | 54 | C |
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| 55 | real paphm1(nlon,nlev+1), pstab(nlon,nlev+1), |
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| 56 | * prho (nlon,nlev+1), pvph (nlon,nlev+1), |
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| 57 | * pri (nlon,nlev+1), ptfr (nlon), ptau(nlon,nlev+1) |
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| 58 | |
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| 59 | real pdmod (nlon) , pnu (nlon) , psig(nlon), |
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| 60 | * pgamma(nlon) , pstd(nlon) , ppic(nlon), pval(nlon) |
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| 61 | |
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| 62 | C----------------------------------------------------------------------- |
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| 63 | C |
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| 64 | C* 0.2 local arrays |
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| 65 | C ------------ |
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| 66 | C |
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| 67 | integer jl,jk |
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| 68 | real zsqr,zalfa,zriw,zdel,zb,zalpha,zdz2n,zdelp,zdelpt |
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| 69 | |
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| 70 | real zdz2 (klon,klev) , znorm(klon) , zoro(klon) |
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| 71 | real ztau (klon,klev+1) |
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| 72 | C |
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| 73 | C----------------------------------------------------------------------- |
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| 74 | C |
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| 75 | C* 1. INITIALIZATION |
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| 76 | C -------------- |
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| 77 | C |
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| 78 | C print *,' entree gwprofil' |
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| 79 | 100 CONTINUE |
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| 80 | C |
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| 81 | C |
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| 82 | C* COMPUTATIONAL CONSTANTS. |
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| 83 | C ------------- ---------- |
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| 84 | C |
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| 85 | do 400 jl=kidia,kfdia |
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| 86 | if(ktest(jl).eq.1)then |
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| 87 | zoro(jl)=psig(jl)*pdmod(jl)/4./pstd(jl) |
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| 88 | ztau(jl,klev+1)=ptau(jl,klev+1) |
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| 89 | c print *,jl,ptau(jl,klev+1) |
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| 90 | ztau(jl,kkcrith(jl))=grahilo*ptau(jl,klev+1) |
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| 91 | endif |
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| 92 | 400 continue |
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| 93 | |
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| 94 | C |
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| 95 | do 430 jk=klev+1,1,-1 |
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| 96 | C |
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| 97 | C |
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| 98 | C* 4.1 constant shear stress until top of the |
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| 99 | C low-level breaking/trapped layer |
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| 100 | 410 CONTINUE |
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| 101 | C |
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| 102 | do 411 jl=kidia,kfdia |
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| 103 | if(ktest(jl).eq.1)then |
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| 104 | if(jk.gt.kkcrith(jl)) then |
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| 105 | zdelp=paphm1(jl,jk)-paphm1(jl,klev+1) |
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| 106 | zdelpt=paphm1(jl,kkcrith(jl))-paphm1(jl,klev+1) |
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| 107 | ptau(jl,jk)=ztau(jl,klev+1)+zdelp/zdelpt* |
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| 108 | c (ztau(jl,kkcrith(jl))-ztau(jl,klev+1)) |
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| 109 | else |
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| 110 | ptau(jl,jk)=ztau(jl,kkcrith(jl)) |
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| 111 | endif |
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| 112 | endif |
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| 113 | 411 continue |
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| 114 | C |
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| 115 | C* 4.15 constant shear stress until the top of the |
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| 116 | C low level flow layer. |
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| 117 | 415 continue |
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| 118 | C |
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| 119 | C |
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| 120 | C* 4.2 wave displacement at next level. |
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| 121 | C |
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| 122 | 420 continue |
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| 123 | C |
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| 124 | 430 continue |
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| 125 | |
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| 126 | C |
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| 127 | C* 4.4 wave richardson number, new wave displacement |
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| 128 | C* and stress: breaking evaluation and critical |
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| 129 | C level |
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| 130 | C |
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[2047] | 131 | |
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| 132 | |
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[3] | 133 | do 440 jk=klev,1,-1 |
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| 134 | |
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| 135 | do 441 jl=kidia,kfdia |
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| 136 | if(ktest(jl).eq.1)then |
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| 137 | znorm(jl)=prho(jl,jk)*sqrt(pstab(jl,jk))*pvph(jl,jk) |
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| 138 | zdz2(jl,jk)=ptau(jl,jk)/amax1(znorm(jl),gssec)/zoro(jl) |
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| 139 | endif |
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| 140 | 441 continue |
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| 141 | |
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| 142 | do 442 jl=kidia,kfdia |
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| 143 | if(ktest(jl).eq.1)then |
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| 144 | if(jk.lt.kkcrith(jl)) then |
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| 145 | if((ptau(jl,jk+1).lt.gtsec).or.(jk.le.kcrit(jl))) then |
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| 146 | ptau(jl,jk)=0.0 |
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| 147 | else |
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| 148 | zsqr=sqrt(pri(jl,jk)) |
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| 149 | zalfa=sqrt(pstab(jl,jk)*zdz2(jl,jk))/pvph(jl,jk) |
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| 150 | zriw=pri(jl,jk)*(1.-zalfa)/(1+zalfa*zsqr)**2 |
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| 151 | if(zriw.lt.grcrit) then |
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[808] | 152 | c print *,' breaking!!!',ptau(jl,jk),zsqr |
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[3] | 153 | zdel=4./zsqr/grcrit+1./grcrit**2+4./grcrit |
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| 154 | zb=1./grcrit+2./zsqr |
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| 155 | zalpha=0.5*(-zb+sqrt(zdel)) |
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| 156 | zdz2n=(pvph(jl,jk)*zalpha)**2/pstab(jl,jk) |
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| 157 | ptau(jl,jk)=znorm(jl)*zdz2n*zoro(jl) |
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| 158 | endif |
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| 159 | |
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| 160 | ptau(jl,jk)=amin1(ptau(jl,jk),ptau(jl,jk+1)) |
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| 161 | |
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| 162 | endif |
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| 163 | endif |
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| 164 | endif |
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| 165 | 442 continue |
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| 166 | 440 continue |
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| 167 | |
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| 168 | C REORGANISATION OF THE STRESS PROFILE AT LOW LEVEL |
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| 169 | |
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| 170 | do 530 jl=kidia,kfdia |
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| 171 | if(ktest(jl).eq.1)then |
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| 172 | ztau(jl,kkcrith(jl)-1)=ptau(jl,kkcrith(jl)-1) |
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| 173 | ztau(jl,ntop)=ptau(jl,ntop) |
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| 174 | endif |
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| 175 | 530 continue |
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| 176 | |
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| 177 | do 531 jk=1,klev |
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| 178 | |
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| 179 | do 532 jl=kidia,kfdia |
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| 180 | if(ktest(jl).eq.1)then |
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| 181 | |
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| 182 | if(jk.gt.kkcrith(jl)-1)then |
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| 183 | |
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| 184 | zdelp=paphm1(jl,jk)-paphm1(jl,klev+1 ) |
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| 185 | zdelpt=paphm1(jl,kkcrith(jl)-1)-paphm1(jl,klev+1 ) |
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| 186 | ptau(jl,jk)=ztau(jl,klev+1 ) + |
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| 187 | . (ztau(jl,kkcrith(jl)-1)-ztau(jl,klev+1 ) )* |
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| 188 | . zdelp/zdelpt |
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| 189 | |
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| 190 | endif |
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| 191 | endif |
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| 192 | |
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| 193 | 532 continue |
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| 194 | |
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| 195 | C REORGANISATION AT THE MODEL TOP.... |
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| 196 | |
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| 197 | do 533 jl=kidia,kfdia |
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| 198 | if(ktest(jl).eq.1)then |
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| 199 | |
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| 200 | if(jk.lt.ntop)then |
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| 201 | |
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| 202 | zdelp =paphm1(jl,ntop) |
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| 203 | zdelpt=paphm1(jl,jk) |
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| 204 | ptau(jl,jk)=ztau(jl,ntop)*zdelpt/zdelp |
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| 205 | c ptau(jl,jk)=ztau(jl,ntop) |
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| 206 | |
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| 207 | endif |
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| 208 | |
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| 209 | endif |
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| 210 | |
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| 211 | 533 continue |
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| 212 | |
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| 213 | |
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| 214 | 531 continue |
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| 215 | |
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[2047] | 216 | c Yo, this is Venus. |
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| 217 | do jl=kidia,kfdia |
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| 218 | do jk=klev,1,-1 |
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| 219 | if(ktest(jl).eq.1)then |
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| 220 | if(jk.lt.kkbreak(jl)) ptau(jl,jk)=0.0 |
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| 221 | endif |
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| 222 | enddo |
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| 223 | enddo |
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[3] | 224 | |
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[2047] | 225 | |
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| 226 | ! Venus: resolve waves |
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| 227 | do jk=klev,1,-1 |
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| 228 | do jl=kidia,kfdia |
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| 229 | if(ktest(jl).eq.1)then |
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| 230 | ! if surface stress greater than threshold |
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| 231 | if (ztau(jl,klev+1) .ge. taubs) then |
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| 232 | ! then enforce same stress in the atmosphere up to the predefined level |
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| 233 | if ((jk.gt.levbs)) then |
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| 234 | ptau(jl,jk) = ztau(jl,klev+1) |
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| 235 | ! and zero above |
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| 236 | elseif (jk.le.levbs) then |
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| 237 | ptau(jl,jk) = 0. |
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| 238 | endif |
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| 239 | ! else |
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| 240 | !if (jk.le.klev-1) ptau(jl,jk) = 0. |
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| 241 | ! ptau(jl,jk) = 0. |
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| 242 | endif |
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| 243 | endif |
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| 244 | enddo |
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| 245 | enddo |
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| 246 | |
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| 247 | |
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| 248 | |
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[3] | 249 | 123 format(i4,1x,20(f6.3,1x)) |
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| 250 | |
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| 251 | |
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| 252 | return |
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| 253 | end |
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| 254 | |
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