[149] | 1 | MODULE RADIATION |
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| 2 | USE ICOSA |
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| 3 | USE dimphys_mod |
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| 4 | ! USE PHY |
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| 5 | contains |
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| 6 | |
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| 7 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 8 | SUBROUTINE zerophys(n,x) |
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| 9 | IMPLICIT NONE |
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| 10 | INTEGER n |
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| 11 | REAL x(n) |
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| 12 | INTEGER i |
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| 13 | |
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| 14 | DO i=1,n |
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| 15 | x(i)=0. |
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| 16 | ENDDO |
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| 17 | RETURN |
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| 18 | END subroutine zerophys |
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| 19 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 20 | |
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| 21 | SUBROUTINE solarlong(pday,psollong) |
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| 22 | IMPLICIT NONE |
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| 23 | c======================================================================= |
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| 24 | c |
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| 25 | c Objet: |
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| 26 | c ------ |
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| 27 | c |
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| 28 | c Calcul de la distance soleil-planete et de la declinaison |
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| 29 | c en fonction du jour de l'annee. |
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| 30 | c |
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| 31 | c |
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| 32 | c Methode: |
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| 33 | c -------- |
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| 34 | c |
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| 35 | c Calcul complet de l'elipse |
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| 36 | c |
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| 37 | c Interface: |
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| 38 | c ---------- |
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| 39 | c |
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| 40 | c Uncommon comprenant les parametres orbitaux. |
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| 41 | c |
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| 42 | c Arguments: |
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| 43 | c ---------- |
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| 44 | c |
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| 45 | c Input: |
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| 46 | c ------ |
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| 47 | c pday jour de l'annee (le jour 0 correspondant a l'equinoxe) |
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| 48 | c lwrite clef logique pour sorties de controle |
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| 49 | c |
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| 50 | c Output: |
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| 51 | c ------- |
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| 52 | c pdist_sol distance entre le soleil et la planete |
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| 53 | c ( en unite astronomique pour utiliser la constante |
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| 54 | c solaire terrestre 1370 Wm-2 ) |
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| 55 | c pdecli declinaison ( en radians ) |
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| 56 | c |
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| 57 | c======================================================================= |
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| 58 | c----------------------------------------------------------------------- |
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| 59 | c Declarations: |
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| 60 | c ------------- |
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| 61 | |
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| 62 | c arguments: |
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| 63 | c ---------- |
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| 64 | |
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| 65 | REAL pday,pdist_sol,pdecli,psollong |
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| 66 | LOGICAL lwrite |
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| 67 | |
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| 68 | c Local: |
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| 69 | c ------ |
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| 70 | |
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| 71 | REAL zanom,xref,zx0,zdx,zteta,zz |
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| 72 | INTEGER iter |
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| 73 | |
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| 74 | |
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| 75 | c----------------------------------------------------------------------- |
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| 76 | c calcul de l'angle polaire et de la distance au soleil : |
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| 77 | c ------------------------------------------------------- |
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| 78 | |
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| 79 | c calcul de l'zanomalie moyenne |
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| 80 | |
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| 81 | zz=(pday-peri_day)/year_day |
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| 82 | zanom=2.*pi*(zz-nint(zz)) |
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| 83 | xref=abs(zanom) |
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| 84 | |
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| 85 | c resolution de lequation horaire zx0 - e * sin (zx0) = xref |
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| 86 | c methode de Newton |
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| 87 | |
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| 88 | zx0=xref+e_elips*sin(xref) |
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| 89 | DO 110 iter=1,10 |
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| 90 | zdx=-(zx0-e_elips*sin(zx0)-xref)/(1.-e_elips*cos(zx0)) |
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| 91 | if(abs(zdx).le.(1.e-7)) goto 120 |
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| 92 | zx0=zx0+zdx |
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| 93 | 110 continue |
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| 94 | 120 continue |
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| 95 | zx0=zx0+zdx |
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| 96 | if(zanom.lt.0.) zx0=-zx0 |
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| 97 | |
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| 98 | c zteta est la longitude solaire |
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| 99 | |
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| 100 | zteta=2.*atan(sqrt((1.+e_elips)/(1.-e_elips))*tan(zx0/2.)) |
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| 101 | |
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| 102 | psollong=zteta-timeperi |
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| 103 | |
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| 104 | IF(psollong.LT.0.) psollong=psollong+2.*pi |
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| 105 | IF(psollong.GT.2.*pi) psollong=psollong-2.*pi |
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| 106 | |
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| 107 | RETURN |
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| 108 | END SUBROUTINE solarlong |
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| 109 | |
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| 110 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 111 | |
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| 112 | SUBROUTINE orbite(pls,pdist_sol,pdecli) |
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| 113 | IMPLICIT NONE |
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| 114 | c==================================================================== |
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| 115 | c |
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| 116 | c Objet: |
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| 117 | c ------ |
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| 118 | c |
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| 119 | c Distance from sun and declimation as a function of the solar |
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| 120 | c longitude Ls |
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| 121 | c |
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| 122 | c Interface: |
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| 123 | c ---------- |
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| 124 | c Arguments: |
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| 125 | c ---------- |
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| 126 | c |
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| 127 | c Input: |
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| 128 | c ------ |
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| 129 | c pls Ls |
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| 130 | c |
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| 131 | c Output: |
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| 132 | c ------- |
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| 133 | c pdist_sol Distance Sun-Planet in UA |
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| 134 | c pdecli declinaison ( en radians ) |
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| 135 | c |
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| 136 | c==================================================================== |
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| 137 | c----------------------------------------------------------------------- |
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| 138 | c Declarations: |
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| 139 | c ------------- |
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| 140 | c arguments: |
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| 141 | c ---------- |
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| 142 | |
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| 143 | REAL pday,pdist_sol,pdecli,pls |
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| 144 | |
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| 145 | c----------------------------------------------------------------------- |
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| 146 | |
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| 147 | c Distance Sun-Planet |
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| 148 | |
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| 149 | pdist_sol=p_elips/(1.+e_elips*cos(pls+timeperi)) |
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| 150 | |
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| 151 | c Solar declination |
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| 152 | |
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| 153 | pdecli= asin (sin(pls)*sin(obliquit*pi/180.)) |
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| 154 | |
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| 155 | c----------------------------------------------------------------------- |
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| 156 | c sorties eventuelles: |
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| 157 | c --------------------- |
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| 158 | |
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| 159 | END SUBROUTINE orbite |
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| 160 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 161 | |
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| 162 | SUBROUTINE iniorbit |
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| 163 | $ (paphelie,pperiheli,pyear_day,pperi_day,pobliq) |
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| 164 | IMPLICIT NONE |
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| 165 | c===================================================================== |
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| 166 | c |
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| 167 | c Auteur: |
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| 168 | c ------- |
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| 169 | c Frederic Hourdin 22 Fevrier 1991 |
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| 170 | c |
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| 171 | c Objet: |
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| 172 | c ------ |
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| 173 | c Initialisation du sous programme orbite qui calcule |
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| 174 | c a une date donnee de l'annee de duree year_day commencant |
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| 175 | c a l'equinoxe de printemps et dont le perihelie se situe |
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| 176 | c a la date peri_day, la distance au soleil et la declinaison. |
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| 177 | c |
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| 178 | c Interface: |
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| 179 | c ---------- |
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| 180 | c - Doit etre appele avant d'utiliser orbite. |
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| 181 | c - initialise le common comorbit |
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| 182 | c |
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| 183 | c Arguments: |
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| 184 | c ---------- |
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| 185 | c |
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| 186 | c Input: |
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| 187 | c ------ |
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| 188 | c aphelie \ aphelie et perihelie de l'orbite |
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| 189 | c periheli / en millions de kilometres. |
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| 190 | c |
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| 191 | c===================================================================== |
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| 192 | c Declarations: |
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| 193 | c ------------- |
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| 194 | c Arguments: |
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| 195 | c ---------- |
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| 196 | |
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| 197 | REAL paphelie,pperiheli,pyear_day,pperi_day,pobliq |
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| 198 | |
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| 199 | c Local: |
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| 200 | c ------ |
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| 201 | |
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| 202 | REAL zxref,zanom,zz,zx0,zdx |
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| 203 | INTEGER iter |
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| 204 | |
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| 205 | c'----------------------------------------------------------------------- |
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| 206 | |
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| 207 | aphelie =paphelie |
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| 208 | periheli=pperiheli |
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| 209 | year_day=pyear_day |
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| 210 | obliquit=pobliq |
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| 211 | peri_day=pperi_day |
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| 212 | |
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| 213 | PRINT*,'Perihelie en Mkm ',periheli |
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| 214 | PRINT*,'Aphelise en Mkm ',aphelie |
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| 215 | PRINT*,'obliquite en degres :',obliquit |
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| 216 | unitastr=149.597927 |
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| 217 | e_elips=(aphelie-periheli)/(periheli+aphelie) |
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| 218 | p_elips=0.5*(periheli+aphelie)*(1-e_elips*e_elips)/unitastr |
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| 219 | |
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| 220 | print*,'e_elips',e_elips |
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| 221 | print*,'p_elips',p_elips |
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| 222 | |
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| 223 | c----------------------------------------------------------------------- |
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| 224 | c calcul de l'angle polaire et de la distance au soleil : |
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| 225 | c ------------------------------------------------------- |
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| 226 | |
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| 227 | c calcul de l'zanomalie moyenne |
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| 228 | |
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| 229 | zz=(year_day-pperi_day)/year_day |
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| 230 | zanom=2.*pi*(zz-nint(zz)) |
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| 231 | zxref=abs(zanom) |
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| 232 | PRINT*,'zanom ',zanom |
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| 233 | |
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| 234 | c resolution de lequation horaire zx0 - e * sin (zx0) = zxref |
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| 235 | c methode de Newton |
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| 236 | |
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| 237 | zx0=zxref+e_elips*sin(zxref) |
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| 238 | DO 110 iter=1,100 |
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| 239 | zdx=-(zx0-e_elips*sin(zx0)-zxref)/(1.-e_elips*cos(zx0)) |
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| 240 | if(abs(zdx).le.(1.e-12)) goto 120 |
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| 241 | zx0=zx0+zdx |
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| 242 | 110 continue |
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| 243 | 120 continue |
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| 244 | zx0=zx0+zdx |
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| 245 | if(zanom.lt.0.) zx0=-zx0 |
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| 246 | PRINT*,'zx0 ',zx0 |
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| 247 | |
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| 248 | c zteta est la longitude solaire |
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| 249 | |
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| 250 | timeperi=2.*atan(sqrt((1.+e_elips)/(1.-e_elips))*tan(zx0/2.)) |
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| 251 | PRINT*,'longitude solaire du perihelie timeperi = ',timeperi |
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| 252 | |
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| 253 | RETURN |
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| 254 | END SUBROUTINE iniorbit |
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| 255 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 256 | |
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| 257 | SUBROUTINE mucorr(npts,pdeclin, plat, pmu, pfract,phaut,prad) |
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| 258 | IMPLICIT NONE |
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| 259 | |
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| 260 | c======================================================================= |
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| 261 | c |
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| 262 | c Calcul of equivalent solar angle and and fraction of day whithout |
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| 263 | c diurnal cycle. |
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| 264 | c |
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| 265 | c parmeters : |
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| 266 | c ----------- |
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| 267 | c |
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| 268 | c Input : |
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| 269 | c ------- |
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| 270 | c npts number of points |
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| 271 | c pdeclin solar declinaison |
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| 272 | c plat(npts) latitude |
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| 273 | c phaut hauteur typique de l'atmosphere |
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| 274 | c prad rayon planetaire ' |
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| 275 | c |
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| 276 | c Output : |
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| 277 | c -------- |
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| 278 | c pmu(npts) equivalent cosinus of the solar angle |
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| 279 | c pfract(npts) fractionnal day |
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| 280 | c |
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| 281 | c======================================================================= |
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| 282 | |
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| 283 | c----------------------------------------------------------------------- |
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| 284 | c |
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| 285 | c 0. Declarations : |
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| 286 | c ----------------- |
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| 287 | |
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| 288 | c Arguments : |
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| 289 | c ----------- |
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| 290 | INTEGER npts |
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| 291 | REAL plat(npts),pmu(npts), pfract(npts) |
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| 292 | REAL phaut,prad,pdeclin |
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| 293 | c |
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| 294 | c Local variables : |
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| 295 | c ----------------- |
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| 296 | INTEGER j,i,ij,ig |
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| 297 | REAL pi |
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| 298 | REAL z,cz,sz,tz,phi,cphi,sphi,tphi |
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| 299 | REAL ap,a,t,b |
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| 300 | REAL alph |
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| 301 | |
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| 302 | c----------------------------------------------------------------------- |
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| 303 | |
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| 304 | !print*,'npts,pdeclin' |
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| 305 | !print*,npts,pdeclin |
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| 306 | pi = 4. * atan(1.0) |
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| 307 | !print*,'PI=',pi |
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| 308 | pi=2.*asin(1.) |
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| 309 | z = pdeclin |
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| 310 | cz = cos (z) |
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| 311 | sz = sin (z) |
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| 312 | !print*,'cz,sz',cz,sz |
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| 313 | |
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| 314 | ! DO j=jj_begin-offset,jj_end+offset |
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| 315 | ! DO i=ii_begin-offset,ii_end+offset |
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| 316 | ! ig=(j-1)*iim+i |
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| 317 | |
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| 318 | DO ig=1,npts |
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| 319 | phi = plat(ig) |
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| 320 | cphi = cos(phi) |
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| 321 | if (cphi.le.1.e-9) cphi=1.e-9 |
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| 322 | sphi = sin(phi) |
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| 323 | tphi = sphi / cphi |
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| 324 | b = cphi * cz |
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| 325 | t = -tphi * sz / cz |
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| 326 | a = 1.0 - t*t |
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| 327 | ap = a |
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| 328 | IF(t.eq.0.) then |
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| 329 | t=0.5*pi |
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| 330 | ELSE |
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| 331 | IF (a.lt.0.) a = 0. |
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| 332 | t = sqrt(a) / t |
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| 333 | IF (t.lt.0.) then |
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| 334 | t = -atan (-t) + pi |
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| 335 | ELSE |
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| 336 | t = atan(t) |
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| 337 | ENDIF |
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| 338 | ENDIF |
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| 339 | |
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| 340 | pmu(ig) = (sphi*sz*t) / pi + b*sin(t)/pi |
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| 341 | pfract(ig) = t / pi |
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| 342 | IF (ap .lt.0.) then |
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| 343 | pmu(ig) = sphi * sz |
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| 344 | pfract(ig) = 1.0 |
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| 345 | ENDIF |
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| 346 | IF (pmu(ig).le.0.0) pmu(ig) = 0.0 |
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| 347 | pmu(ig) = pmu(ig) / pfract(ig) |
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| 348 | IF (pmu(ig).eq.0.) pfract(ig) = 0. |
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| 349 | ENDDO |
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| 350 | ! ENDDO |
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| 351 | c----------------------------------------------------------------------- |
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| 352 | c correction de rotondite: |
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| 353 | c ------------------------ |
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| 354 | |
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| 355 | alph=phaut/prad |
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| 356 | ! DO j=jj_begin-offset,jj_end+offset |
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| 357 | ! DO i=ii_begin-offset,ii_end+offset |
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| 358 | ! ig=(j-1)*iim+i |
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| 359 | DO ig = 1,npts |
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| 360 | pmu(ig)=sqrt(1224.*pmu(ig)*pmu(ig)+1.)/35. |
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| 361 | |
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| 362 | c $ (sqrt(alph*alph*pmu(ig)*pmu(ig)+2.*alph+1.)-alph*pmu(ig)) |
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| 363 | ENDDO |
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| 364 | ! ENDDO |
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| 365 | |
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| 366 | RETURN |
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| 367 | END SUBROUTINE mucorr |
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| 368 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 369 | |
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| 370 | SUBROUTINE sw(ngrid,nlayer,ldiurn, |
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| 371 | $ coefvis,albedo, |
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| 372 | $ plevel,ps_rad,pmu,pfract,psolarf0, |
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| 373 | $ fsrfvis,dtsw, |
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| 374 | $ lwrite) |
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| 375 | IMPLICIT NONE |
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| 376 | c======================================================================= |
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| 377 | c |
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| 378 | c Rayonnement solaire en atmosphere non diffusante avec un |
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| 379 | c coefficient d'absoprption gris. |
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| 380 | c' |
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| 381 | c======================================================================= |
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| 382 | c |
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| 383 | c declarations: |
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| 384 | c ------------- |
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| 385 | c arguments: |
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| 386 | c ---------- |
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| 387 | c |
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| 388 | INTEGER ngrid,nlayer,i,j,ij |
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| 389 | REAL albedo(ngrid),coefvis |
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| 390 | REAL pmu(ngrid),pfract(ngrid) |
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| 391 | REAL plevel(ngrid,nlayer+1),ps_rad |
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| 392 | REAL psolarf0 |
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| 393 | REAL fsrfvis(ngrid),dtsw(ngrid,nlayer) |
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| 394 | LOGICAL lwrite,ldiurn |
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| 395 | c |
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| 396 | c variables locales: |
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| 397 | c ------------------ |
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| 398 | c |
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| 399 | |
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| 400 | REAL zalb(ngrid),zmu(ngrid),zfract(ngrid) |
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| 401 | REAL zplev(ngrid,nlayer+1) |
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| 402 | REAL zflux(ngrid),zdtsw(ngrid,nlayer) |
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| 403 | |
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| 404 | INTEGER ig,l,nlevel,ncount,igout |
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| 405 | INTEGER,DIMENSION(ngrid)::index |
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| 406 | REAL ztrdir(ngrid,nlayer+1),ztrref(ngrid,nlayer+1) |
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| 407 | REAL zfsrfref(ngrid) |
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| 408 | REAL z1(ngrid) |
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| 409 | REAL zu(ngrid,nlayer+1) |
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| 410 | REAL tau0 |
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| 411 | |
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| 412 | EXTERNAL SSUM |
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| 413 | EXTERNAL ismax |
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| 414 | REAL ismax |
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| 415 | |
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| 416 | LOGICAL firstcall |
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| 417 | SAVE firstcall |
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| 418 | DATA firstcall/.true./ |
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| 419 | |
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| 420 | c----------------------------------------------------------------------- |
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| 421 | c 1. initialisations: |
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| 422 | c ------------------- |
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| 423 | |
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| 424 | |
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| 425 | |
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| 426 | IF (firstcall) THEN |
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| 427 | |
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| 428 | IF (ngrid.NE.ngrid) THEN |
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| 429 | PRINT*,'STOP in inifis' |
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| 430 | PRINT*,'Probleme de dimenesions :' |
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| 431 | PRINT*,'ngrid = ',ngrid |
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| 432 | PRINT*,'ngrid = ',ngrid |
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| 433 | STOP |
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| 434 | ENDIF |
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| 435 | |
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| 436 | |
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| 437 | IF (nlayer.NE.llm) THEN |
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| 438 | PRINT*,'STOP in inifis' |
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| 439 | PRINT*,'Probleme de dimenesions :' |
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| 440 | PRINT*,'nlayer = ',nlayer |
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| 441 | PRINT*,'llm = ',llm |
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| 442 | STOP |
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| 443 | ENDIF |
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| 444 | |
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| 445 | ENDIF |
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| 446 | |
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| 447 | nlevel=nlayer+1 |
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| 448 | c----------------------------------------------------------------------- |
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| 449 | c Definitions des tableaux locaux pour les points ensoleilles: |
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| 450 | c ------------------------------------------------------------ |
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| 451 | |
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| 452 | IF (ldiurn) THEN |
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| 453 | ncount=0 |
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| 454 | DO j=jj_begin-offset,jj_end+offset |
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| 455 | DO i=ii_begin-offset,ii_end+offset |
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| 456 | ig=(j-1)*iim+i |
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| 457 | index(ig)=0 |
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| 458 | ENDDO |
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| 459 | ENDDO |
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| 460 | DO j=jj_begin-offset,jj_end+offset |
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| 461 | DO i=ii_begin-offset,ii_end+offset |
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| 462 | ig=(j-1)*iim+i |
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| 463 | IF(pfract(ig).GT.1.e-6) THEN |
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| 464 | ncount=ncount+1 |
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| 465 | index(ncount)=ig |
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| 466 | ENDIF |
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| 467 | ENDDO |
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| 468 | ENDDO |
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| 469 | ! SARVESH CHANGED NCOUNT TO NGRID TO BE CONSISTENT ??? |
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| 470 | |
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| 471 | CALL monGATHER(ncount,zfract,pfract,index) |
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| 472 | CALL monGATHER(ncount,zmu,pmu,index) |
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| 473 | CALL monGATHER(ncount,zalb,albedo,index) |
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| 474 | DO l=1,nlevel |
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| 475 | CALL monGATHER(ncount,zplev(1,l),plevel(1,l),index) |
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| 476 | ENDDO |
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| 477 | ELSE |
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| 478 | ncount=ngrid |
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| 479 | zfract(:)=pfract(:) |
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| 480 | zmu(:)=pmu(:) |
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| 481 | zalb(:)=albedo(:) |
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| 482 | zplev(:,:)=plevel(:,:) |
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| 483 | ENDIF |
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| 484 | |
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| 485 | c----------------------------------------------------------------------- |
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| 486 | c calcul des profondeurs optiques integres depuis p=0: |
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| 487 | c ---------------------------------------------------- |
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| 488 | |
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| 489 | tau0=-.5*log(coefvis) |
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| 490 | |
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| 491 | c calcul de la partie homogene de l'opacite |
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| 492 | c' |
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| 493 | tau0=tau0/ps_rad |
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| 494 | |
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| 495 | |
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| 496 | DO l=1,nlayer+1 |
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| 497 | DO j=jj_begin-offset,jj_end+offset |
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| 498 | DO i=ii_begin-offset,ii_end+offset |
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| 499 | ig=(j-1)*iim+i |
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| 500 | zu(ig,l)=tau0*zplev(ig,l) |
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| 501 | ENDDO |
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| 502 | ENDDO |
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| 503 | ENDDO |
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| 504 | |
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| 505 | c----------------------------------------------------------------------- |
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| 506 | c 2. calcul de la transmission depuis le sommet de l'atmosphere: |
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| 507 | c' ----------------------------------------------------------- |
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| 508 | |
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| 509 | DO l=1,nlevel |
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| 510 | DO j=jj_begin-offset,jj_end+offset |
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| 511 | DO i=ii_begin-offset,ii_end+offset |
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| 512 | ig=(j-1)*iim+i |
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| 513 | ztrdir(ig,l)=exp(-zu(ig,l)/zmu(ig)) |
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| 514 | ENDDO |
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| 515 | ENDDO |
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| 516 | ENDDO |
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| 517 | |
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| 518 | IF (lwrite) THEN |
---|
| 519 | igout=ncount/2+1 |
---|
| 520 | PRINT* |
---|
| 521 | PRINT*,'Diagnostique des transmission dans le spectre solaire' |
---|
| 522 | PRINT*,'zfract, zmu, zalb' |
---|
| 523 | PRINT*,zfract(igout), zmu(igout), zalb(igout) |
---|
| 524 | PRINT*,'Pression, quantite d abs, transmission' |
---|
| 525 | DO l=1,nlayer+1 |
---|
| 526 | PRINT*,zplev(igout,l),zu(igout,l),ztrdir(igout,l) |
---|
| 527 | ENDDO |
---|
| 528 | ENDIF |
---|
| 529 | |
---|
| 530 | c----------------------------------------------------------------------- |
---|
| 531 | c 3. taux de chauffage, ray. solaire direct: |
---|
| 532 | c ------------------------------------------ |
---|
| 533 | |
---|
| 534 | DO l=1,nlayer |
---|
| 535 | DO j=jj_begin-offset,jj_end+offset |
---|
| 536 | DO i=ii_begin-offset,ii_end+offset |
---|
| 537 | ig=(j-1)*iim+i |
---|
| 538 | zdtsw(ig,l)=g*psolarf0*zfract(ig)*zmu(ig)* |
---|
| 539 | $ (ztrdir(ig,l+1)-ztrdir(ig,l))/ |
---|
| 540 | $ (cpp*(zplev(ig,l)-zplev(ig,l+1))) |
---|
| 541 | ENDDO |
---|
| 542 | ENDDO |
---|
| 543 | ENDDO |
---|
| 544 | IF (lwrite) THEN |
---|
| 545 | PRINT* |
---|
| 546 | PRINT*,'Diagnostique des taux de chauffage solaires:' |
---|
| 547 | PRINT*,' 1 taux de chauffage lie au ray. solaire direct' |
---|
| 548 | DO l=1,nlayer |
---|
| 549 | PRINT*,zdtsw(igout,l) |
---|
| 550 | ENDDO |
---|
| 551 | ENDIF |
---|
| 552 | |
---|
| 553 | |
---|
| 554 | c----------------------------------------------------------------------- |
---|
| 555 | c 4. calcul du flux solaire arrivant sur le sol: |
---|
| 556 | c ---------------------------------------------- |
---|
| 557 | |
---|
| 558 | DO j=jj_begin-offset,jj_end+offset |
---|
| 559 | DO i=ii_begin-offset,ii_end+offset |
---|
| 560 | ig=(j-1)*iim+i |
---|
| 561 | z1(ig)=zfract(ig)*zmu(ig)*psolarf0*ztrdir(ig,1) |
---|
| 562 | zflux(ig)=(1.-zalb(ig))*z1(ig) |
---|
| 563 | zfsrfref(ig)= zalb(ig)*z1(ig) |
---|
| 564 | ENDDO |
---|
| 565 | ENDDO |
---|
| 566 | IF (lwrite) THEN |
---|
| 567 | PRINT* |
---|
| 568 | PRINT*,'Diagnostique des taux de chauffage solaires:' |
---|
| 569 | PRINT*,' 2 flux solaire net incident sur le sol' |
---|
| 570 | PRINT*,zflux(igout) |
---|
| 571 | ENDIF |
---|
| 572 | |
---|
| 573 | |
---|
| 574 | c----------------------------------------------------------------------- |
---|
| 575 | c 5.calcul des traansmissions depuis le sol, cas diffus: |
---|
| 576 | c ------------------------------------------------------ |
---|
| 577 | |
---|
| 578 | DO l=1,nlevel |
---|
| 579 | DO j=jj_begin-offset,jj_end+offset |
---|
| 580 | DO i=ii_begin-offset,ii_end+offset |
---|
| 581 | ig=(j-1)*iim+i |
---|
| 582 | ztrref(ig,l)=exp(-(zu(ig,1)-zu(ig,l))*1.66) |
---|
| 583 | ENDDO |
---|
| 584 | ENDDO |
---|
| 585 | ENDDO |
---|
| 586 | |
---|
| 587 | IF (lwrite) THEN |
---|
| 588 | PRINT* |
---|
| 589 | PRINT*,'Diagnostique des taux de chauffage solaires' |
---|
| 590 | PRINT*,' 3 transmission avec les sol' |
---|
| 591 | PRINT*,'niveau transmission' |
---|
| 592 | DO l=1,nlevel |
---|
| 593 | PRINT*,l,ztrref(igout,l) |
---|
| 594 | ENDDO |
---|
| 595 | ENDIF |
---|
| 596 | |
---|
| 597 | c----------------------------------------------------------------------- |
---|
| 598 | c 6.ajout a l'echauffement de la contribution du ray. sol. reflechit: |
---|
| 599 | c' ------------------------------------------------------------------- |
---|
| 600 | |
---|
| 601 | DO l=1,nlayer |
---|
| 602 | DO j=jj_begin-offset,jj_end+offset |
---|
| 603 | DO i=ii_begin-offset,ii_end+offset |
---|
| 604 | ig=(j-1)*iim+i |
---|
| 605 | zdtsw(ig,l)=zdtsw(ig,l)+ |
---|
| 606 | $ g*zfsrfref(ig)*(ztrref(ig,l+1)-ztrref(ig,l))/ |
---|
| 607 | $ (cpp*(zplev(ig,l+1)-zplev(ig,l))) |
---|
| 608 | ENDDO |
---|
| 609 | ENDDO |
---|
| 610 | ENDDO |
---|
| 611 | |
---|
| 612 | c----------------------------------------------------------------------- |
---|
| 613 | c 10. sorites eventuelles: |
---|
| 614 | c ------------------------ |
---|
| 615 | |
---|
| 616 | IF (lwrite) THEN |
---|
| 617 | PRINT* |
---|
| 618 | PRINT*,'Diagnostique des taux de chauffage solaires:' |
---|
| 619 | PRINT*,' 3 taux de chauffage total' |
---|
| 620 | DO l=1,nlayer |
---|
| 621 | PRINT*,zdtsw(igout,l) |
---|
| 622 | ENDDO |
---|
| 623 | ENDIF |
---|
| 624 | |
---|
| 625 | IF (ldiurn) THEN |
---|
| 626 | CALL zerophys(ngrid,fsrfvis) |
---|
| 627 | CALL monscatter(ncount,fsrfvis,index,zflux) |
---|
| 628 | CALL zerophys(ngrid*nlayer,dtsw) |
---|
| 629 | DO l=1,nlayer |
---|
| 630 | CALL monscatter(ncount,dtsw(1,l),index,zdtsw(1,l)) |
---|
| 631 | ENDDO |
---|
| 632 | ELSE |
---|
| 633 | !print*,'NOT DIURNE' |
---|
| 634 | fsrfvis(:)=zflux(:) |
---|
| 635 | dtsw(:,:)=zdtsw(:,:) |
---|
| 636 | ENDIF |
---|
| 637 | |
---|
| 638 | RETURN |
---|
| 639 | END SUBROUTINE sw |
---|
| 640 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
---|
| 641 | SUBROUTINE lw(ngrid,nlayer,coefir,emissiv, |
---|
| 642 | $ pp,ps_rad,ptsurf,pt, |
---|
| 643 | $ pfluxir,pdtlw, |
---|
| 644 | $ lwrite) |
---|
| 645 | |
---|
| 646 | IMPLICIT NONE |
---|
| 647 | c======================================================================= |
---|
| 648 | c |
---|
| 649 | c calcul de l'evolution de la temperature sous l'effet du rayonnement |
---|
| 650 | c infra-rouge. |
---|
| 651 | c Pour simplifier, les transmissions sont precalculees et ne |
---|
| 652 | c dependent que de l'altitude. |
---|
| 653 | c |
---|
| 654 | c arguments: |
---|
| 655 | c ---------- |
---|
| 656 | c' |
---|
| 657 | c entree: |
---|
| 658 | c ------- |
---|
| 659 | c ngrid nombres de points de la grille horizontale |
---|
| 660 | c nlayer nombre de couches |
---|
| 661 | c ptsurf(ngrid) temperature de la surface |
---|
| 662 | c pt(ngrid,nlayer) temperature des couches |
---|
| 663 | c pp(ngrid,nlayer+1) pression entre les couches |
---|
| 664 | c lwrite variable logique pour sorties |
---|
| 665 | c |
---|
| 666 | c sortie: |
---|
| 667 | c ------- |
---|
| 668 | c pdtlw(ngrid,nlayer) taux de refroidissement |
---|
| 669 | c pfluxir(ngrid) flux infrarouge sur le sol |
---|
| 670 | c |
---|
| 671 | c======================================================================= |
---|
| 672 | |
---|
| 673 | !c declarations: |
---|
| 674 | !c ------------- |
---|
| 675 | !c arguments: |
---|
| 676 | !c' ---------- |
---|
| 677 | |
---|
| 678 | INTEGER ngrid,nlayer |
---|
| 679 | REAL coefir,emissiv(ngrid),ps_rad |
---|
| 680 | REAL ptsurf(ngrid),pt(ngrid,nlayer),pp(ngrid,nlayer+1) |
---|
| 681 | REAL pdtlw(ngrid,nlayer),pfluxir(ngrid) |
---|
| 682 | LOGICAL lwrite |
---|
| 683 | |
---|
| 684 | c variables locales: |
---|
| 685 | c ------------------ |
---|
| 686 | |
---|
| 687 | INTEGER nlevel,ilev,ig,i,il |
---|
| 688 | REAL zplanck(ngridmx,nlayermx+1),zcoef |
---|
| 689 | REAL zfluxup(ngridmx,nlayermx+1),zfluxdn(ngridmx,nlayermx+1) |
---|
| 690 | REAL zflux(ngridmx,nlayermx+1) |
---|
| 691 | REAL zlwtr1(ngridmx),zlwtr2(ngridmx) |
---|
| 692 | REAL zup(ngridmx,nlayermx+1),zdup(ngridmx) |
---|
| 693 | REAL stephan |
---|
| 694 | |
---|
| 695 | LOGICAL lstrong |
---|
| 696 | SAVE lstrong,stephan |
---|
| 697 | DATA lstrong/.true./ |
---|
| 698 | c----------------------------------------------------------------------- |
---|
| 699 | c initialisations: |
---|
| 700 | c ---------------- |
---|
| 701 | |
---|
| 702 | nlevel=nlayer+1 |
---|
| 703 | stephan=5.67e-08 |
---|
| 704 | |
---|
| 705 | |
---|
| 706 | pfluxir=0.0 |
---|
| 707 | pdtlw=0.0 |
---|
| 708 | !print*,"ngr,nlay,coefi",ngrid,nlayer,coefir |
---|
| 709 | c----------------------------------------------------------------------- |
---|
| 710 | c 2. calcul des quantites d'absorbants: |
---|
| 711 | c' ------------------------------------- |
---|
| 712 | |
---|
| 713 | c absorption forte |
---|
| 714 | IF(lstrong) THEN |
---|
| 715 | DO ilev=1,nlevel |
---|
| 716 | DO ig=1,ngrid |
---|
| 717 | zup(ig,ilev)=pp(ig,ilev)*pp(ig,ilev)/(2.*g) |
---|
| 718 | ENDDO |
---|
| 719 | ENDDO |
---|
| 720 | IF(lwrite) THEN |
---|
| 721 | DO ilev=1,nlayer |
---|
| 722 | PRINT*,' up(',ilev,') = ',zup(ngrid/2+1,ilev) |
---|
| 723 | ENDDO |
---|
| 724 | ENDIF |
---|
| 725 | zcoef=-log(coefir)/sqrt(ps_rad*ps_rad/(2.*g)) |
---|
| 726 | |
---|
| 727 | c absorption faible |
---|
| 728 | ELSE |
---|
| 729 | DO ilev=1,nlevel |
---|
| 730 | DO ig=1,ngrid |
---|
| 731 | zup(ig,ilev)=pp(ig,ilev) |
---|
| 732 | ENDDO |
---|
| 733 | ENDDO |
---|
| 734 | zcoef=-log(coefir)/ps_rad |
---|
| 735 | ENDIF |
---|
| 736 | |
---|
| 737 | |
---|
| 738 | c----------------------------------------------------------------------- |
---|
| 739 | c 2. calcul de la fonction de corps noir: |
---|
| 740 | c --------------------------------------- |
---|
| 741 | |
---|
| 742 | DO ilev=1,nlayer |
---|
| 743 | DO ig=1,ngrid |
---|
| 744 | zplanck(ig,ilev)=pt(ig,ilev)*pt(ig,ilev) |
---|
| 745 | zplanck(ig,ilev)=stephan* |
---|
| 746 | $ zplanck(ig,ilev)*zplanck(ig,ilev) |
---|
| 747 | ENDDO |
---|
| 748 | ENDDO |
---|
| 749 | |
---|
| 750 | c----------------------------------------------------------------------- |
---|
| 751 | c 4. flux descendants: |
---|
| 752 | c -------------------- |
---|
| 753 | |
---|
| 754 | DO ilev=1,nlayer |
---|
| 755 | DO ig=1,ngrid |
---|
| 756 | zfluxdn(ig,ilev)=0. |
---|
| 757 | ENDDO |
---|
| 758 | DO ig=1,ngrid |
---|
| 759 | zdup(ig)=zup(ig,ilev)-zup(ig,nlevel) |
---|
| 760 | ENDDO |
---|
| 761 | CALL lwtr(ngrid,zcoef,lstrong,zdup,zlwtr1) |
---|
| 762 | |
---|
| 763 | DO il=nlayer,ilev,-1 |
---|
| 764 | zlwtr2(:)=zlwtr1(:) |
---|
| 765 | DO ig=1,ngrid |
---|
| 766 | zdup(ig)=zup(ig,ilev)-zup(ig,il) |
---|
| 767 | ENDDO |
---|
| 768 | CALL lwtr(ngrid,zcoef,lstrong,zdup,zlwtr1) |
---|
| 769 | DO ig=1,ngrid |
---|
| 770 | zfluxdn(ig,ilev)=zfluxdn(ig,ilev)+ |
---|
| 771 | $ zplanck(ig,il)*(zlwtr1(ig)-zlwtr2(ig)) |
---|
| 772 | ENDDO |
---|
| 773 | ENDDO |
---|
| 774 | ENDDO |
---|
| 775 | |
---|
| 776 | DO ig=1,ngrid |
---|
| 777 | zfluxdn(ig,nlevel)=0. |
---|
| 778 | pfluxir(ig)=emissiv(ig)*zfluxdn(ig,1) |
---|
| 779 | ENDDO |
---|
| 780 | |
---|
| 781 | DO ig=1,ngrid |
---|
| 782 | zfluxup(ig,1)=ptsurf(ig)*ptsurf(ig) |
---|
| 783 | zfluxup(ig,1)=emissiv(ig)*stephan*zfluxup(ig,1)*zfluxup(ig,1) |
---|
| 784 | $ +(1.-emissiv(ig))*zfluxdn(ig,1) |
---|
| 785 | ENDDO |
---|
| 786 | |
---|
| 787 | c----------------------------------------------------------------------- |
---|
| 788 | c 3. flux montants: |
---|
| 789 | c ------------------ |
---|
| 790 | |
---|
| 791 | DO ilev=1,nlayer |
---|
| 792 | DO ig=1,ngrid |
---|
| 793 | zdup(ig)=zup(ig,1)-zup(ig,ilev+1) |
---|
| 794 | ENDDO |
---|
| 795 | CALL lwtr(ngrid,zcoef,lstrong,zdup,zlwtr1) |
---|
| 796 | DO ig=1,ngrid |
---|
| 797 | zfluxup(ig,ilev+1)=zfluxup(ig,1)*zlwtr1(ig) |
---|
| 798 | ENDDO |
---|
| 799 | DO il=1,ilev |
---|
| 800 | zlwtr2(:)=zlwtr1(:) |
---|
| 801 | DO ig=1,ngrid |
---|
| 802 | zdup(ig)=zup(ig,il+1)-zup(ig,ilev+1) |
---|
| 803 | ENDDO |
---|
| 804 | CALL lwtr(ngrid,zcoef,lstrong,zdup,zlwtr1) |
---|
| 805 | DO ig=1,ngrid |
---|
| 806 | zfluxup(ig,ilev+1)=zfluxup(ig,ilev+1)+ |
---|
| 807 | $ zplanck(ig,il)*(zlwtr1(ig)-zlwtr2(ig)) |
---|
| 808 | ENDDO |
---|
| 809 | ENDDO |
---|
| 810 | |
---|
| 811 | ENDDO |
---|
| 812 | |
---|
| 813 | c----------------------------------------------------------------------- |
---|
| 814 | c 5. calcul des flux nets: |
---|
| 815 | c ------------------------ |
---|
| 816 | |
---|
| 817 | DO ilev=1,nlevel |
---|
| 818 | DO ig=1,ngrid |
---|
| 819 | zflux(ig,ilev)=zfluxup(ig,ilev)-zfluxdn(ig,ilev) |
---|
| 820 | ENDDO |
---|
| 821 | ENDDO |
---|
| 822 | |
---|
| 823 | c----------------------------------------------------------------------- |
---|
| 824 | c 6. Calcul des taux de refroidissement: |
---|
| 825 | c -------------------------------------- |
---|
| 826 | |
---|
| 827 | DO ilev=1,nlayer |
---|
| 828 | DO ig=1,ngrid |
---|
| 829 | pdtlw(ig,ilev)=(zflux(ig,ilev+1)-zflux(ig,ilev))* |
---|
| 830 | $ g/(cpp*(pp(ig,ilev+1)-pp(ig,ilev))) |
---|
| 831 | ENDDO |
---|
| 832 | ENDDO |
---|
| 833 | |
---|
| 834 | c----------------------------------------------------------------------- |
---|
| 835 | c 10. sorties eventuelles: |
---|
| 836 | c ------------------------ |
---|
| 837 | |
---|
| 838 | IF (lwrite) THEN |
---|
| 839 | |
---|
| 840 | PRINT* |
---|
| 841 | PRINT*,'Diagnostique rayonnement thermique' |
---|
| 842 | PRINT* |
---|
| 843 | PRINT*,'temperature ', |
---|
| 844 | $ 'flux montant flux desc. taux de refroid.' |
---|
| 845 | i=ngrid/2+1 |
---|
| 846 | WRITE(6,9000) ptsurf(i) |
---|
| 847 | DO ilev=1,nlayer |
---|
| 848 | WRITE(6,'(i4,4e18.4)') ilev,pt(i,ilev), |
---|
| 849 | $ zfluxup(i,ilev),zfluxdn(i,ilev),pdtlw(i,ilev) |
---|
| 850 | ENDDO |
---|
| 851 | WRITE(6,9000) zfluxup(i,nlevel),zfluxdn(i,nlevel) |
---|
| 852 | |
---|
| 853 | ENDIF |
---|
| 854 | |
---|
| 855 | c----------------------------------------------------------------------- |
---|
| 856 | |
---|
| 857 | RETURN |
---|
| 858 | 9000 FORMAT(4e18.4) |
---|
| 859 | END SUBROUTINE lw |
---|
| 860 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
---|
| 861 | |
---|
| 862 | subroutine solang ( kgrid,psilon,pcolon,psilat,pcolat, |
---|
| 863 | & ptim1,ptim2,ptim3,pmu0,pfract ) |
---|
| 864 | IMPLICIT NONE |
---|
| 865 | |
---|
| 866 | C |
---|
| 867 | C**** *LW* - ORGANIZES THE LONGWAVE CALCULATIONS |
---|
| 868 | C |
---|
| 869 | C PURPOSE. |
---|
| 870 | C -------- |
---|
| 871 | C CALCULATES THE SOLAR ANGLE FOR ALL THE POINTS OF THE GRID |
---|
| 872 | C ==== INPUTS === |
---|
| 873 | C |
---|
| 874 | C PSILON(KGRID) : SINUS OF THE LONGITUDE |
---|
| 875 | C PCOLON(KGRID) : COSINUS OF THE LONGITUDE |
---|
| 876 | C PSILAT(KGRID) : SINUS OF THE LATITUDE |
---|
| 877 | C PCOLAT(KGRID) : COSINUS OF THE LATITUDE |
---|
| 878 | C PTIM1 : SIN(DECLI) |
---|
| 879 | C PTIM2 : COS(DECLI)*COS(TIME) |
---|
| 880 | C PTIM3 : SIN(DECLI)*SIN(TIME) |
---|
| 881 | C |
---|
| 882 | C ==== OUTPUTS === |
---|
| 883 | C |
---|
| 884 | C PMU0 (KGRID) : SOLAR ANGLE |
---|
| 885 | C PFRACT(KGRID) : DAY FRACTION OF THE TIME INTERVAL |
---|
| 886 | C |
---|
| 887 | C IMPLICIT ARGUMENTS : NONE |
---|
| 888 | C -------------------- |
---|
| 889 | C |
---|
| 890 | C METHOD. |
---|
| 891 | C ------- |
---|
| 892 | C |
---|
| 893 | C EXTERNALS. |
---|
| 894 | C ---------- |
---|
| 895 | C |
---|
| 896 | C NONE |
---|
| 897 | C |
---|
| 898 | C REFERENCE. |
---|
| 899 | C ---------- |
---|
| 900 | C |
---|
| 901 | C RADIATIVE PROCESSES IN METEOROLOGIE AND CLIMATOLOGIE |
---|
| 902 | C PALTRIDGE AND PLATT |
---|
| 903 | C |
---|
| 904 | C AUTHOR. |
---|
| 905 | C ------- |
---|
| 906 | C FREDERIC HOURDIN |
---|
| 907 | C |
---|
| 908 | C MODIFICATIONS. |
---|
| 909 | C -------------- |
---|
| 910 | C ORIGINAL :90-01-14 |
---|
| 911 | C 92-02-14 CALCULATIONS DONE THE ENTIER GRID (J.Polcher) |
---|
| 912 | C----------------------------------------------------------------------- |
---|
| 913 | C |
---|
| 914 | C ------------------------------------------------------------------ |
---|
| 915 | |
---|
| 916 | C----------------------------------------------------------------------- |
---|
| 917 | C |
---|
| 918 | C* 0.1 ARGUMENTS |
---|
| 919 | C --------- |
---|
| 920 | C |
---|
| 921 | INTEGER kgrid |
---|
| 922 | REAL ptim1,ptim2,ptim3 |
---|
| 923 | REAL psilon(kgrid),pcolon(kgrid),pmu0(kgrid),pfract(kgrid) |
---|
| 924 | REAL psilat(kgrid), pcolat(kgrid) |
---|
| 925 | C |
---|
| 926 | INTEGER jl,i,j |
---|
| 927 | REAL ztim1,ztim2,ztim3 |
---|
| 928 | C------------------------------------------------------------------------ |
---|
| 929 | C------------------------------------------------------------------------ |
---|
| 930 | C--------------------------------------------------------------------- |
---|
| 931 | C |
---|
| 932 | C-------------------------------------------------------------------- |
---|
| 933 | C |
---|
| 934 | C* 1. INITIALISATION |
---|
| 935 | C -------------- |
---|
| 936 | C |
---|
| 937 | !!!!!! 100 CONTINUE |
---|
| 938 | C |
---|
| 939 | DO j=jj_begin-offset,jj_end+offset |
---|
| 940 | DO i=ii_begin-offset,ii_end+offset |
---|
| 941 | jl=(j-1)*iim+i |
---|
| 942 | pmu0(jl)=0. |
---|
| 943 | pfract(jl)=0. |
---|
| 944 | ENDDO |
---|
| 945 | ENDDO |
---|
| 946 | !C |
---|
| 947 | !C* 1.1 COMPUTATION OF THE SOLAR ANGLE |
---|
| 948 | !C ------------------------------ |
---|
| 949 | !C |
---|
| 950 | DO j=jj_begin-offset,jj_end+offset |
---|
| 951 | DO i=ii_begin-offset,ii_end+offset |
---|
| 952 | jl=(j-1)*iim+i |
---|
| 953 | ztim1=psilat(jl)*ptim1 |
---|
| 954 | ztim2=pcolat(jl)*ptim2 |
---|
| 955 | ztim3=pcolat(jl)*ptim3 |
---|
| 956 | pmu0(jl)=ztim1+ztim2*pcolon(jl)+ztim3*psilon(jl) |
---|
| 957 | ENDDO |
---|
| 958 | ENDDO |
---|
| 959 | !C |
---|
| 960 | !C* 1.2 DISTINCTION BETWEEN DAY AND NIGHT |
---|
| 961 | !C --------------------------------- |
---|
| 962 | !C |
---|
| 963 | DO j=jj_begin-offset,jj_end+offset |
---|
| 964 | DO i=ii_begin-offset,ii_end+offset |
---|
| 965 | jl=(j-1)*iim+i |
---|
| 966 | IF (pmu0(jl).gt.0.) THEN |
---|
| 967 | pfract(jl)=1. |
---|
| 968 | ELSE |
---|
| 969 | pmu0(jl)=0. |
---|
| 970 | pfract(jl)=0. |
---|
| 971 | ENDIF |
---|
| 972 | ENDDO |
---|
| 973 | ENDDO |
---|
| 974 | RETURN |
---|
| 975 | END SUBROUTINE solang |
---|
| 976 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
---|
| 977 | |
---|
| 978 | SUBROUTINE monGATHER(n,a,b,index) |
---|
| 979 | c |
---|
| 980 | IMPLICIT NONE |
---|
| 981 | C |
---|
| 982 | INTEGER n,ng,index(n),i,j,ij |
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| 983 | REAL a(n),b(n) |
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| 984 | c |
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| 985 | DO 100 i=1,n |
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| 986 | a(i)=b(index(i)) |
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| 987 | 100 CONTINUE |
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| 988 | |
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| 989 | ! DO j=jj_begin-offset,jj_end+offset |
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| 990 | ! DO i=ii_begin-offset,ii_end+offset |
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| 991 | ! ij=(j-1)*iim+i |
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| 992 | ! a(ij)=b(index(ij)) |
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| 993 | !c |
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| 994 | RETURN |
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| 995 | END SUBROUTINE monGATHER |
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| 996 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 997 | |
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| 998 | subroutine monscatter(n,a,index,b) |
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| 999 | C |
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| 1000 | implicit none |
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| 1001 | integer N,INDEX(n),I |
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| 1002 | real A(n),B(n) |
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| 1003 | c |
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| 1004 | c |
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| 1005 | DO 100 I=1,N |
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| 1006 | A(INDEX(I))=B(I) |
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| 1007 | 100 CONTINUE |
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| 1008 | c |
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| 1009 | return |
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| 1010 | end SUBROUTINE monscatter |
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| 1011 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 1012 | |
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| 1013 | SUBROUTINE lwtr(ngrid,coef,lstrong,dup,transm) |
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| 1014 | IMPLICIT NONE |
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| 1015 | INTEGER ngrid |
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| 1016 | REAL coef |
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| 1017 | LOGICAL lstrong |
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| 1018 | REAL dup(ngrid),transm(ngrid) |
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| 1019 | INTEGER ig |
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| 1020 | |
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| 1021 | IF(lstrong) THEN |
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| 1022 | DO ig=1,ngrid |
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| 1023 | transm(ig)=exp(-coef*sqrt(dup(ig))) |
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| 1024 | ENDDO |
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| 1025 | ELSE |
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| 1026 | DO ig=1,ngrid |
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| 1027 | transm(ig)=exp(-coef*dup(ig)) |
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| 1028 | ENDDO |
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| 1029 | ENDIF |
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| 1030 | RETURN |
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| 1031 | END subroutine lwtr |
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| 1032 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 1033 | END MODULE RADIATION |
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