| 1 | SUBROUTINE hydrol(dtime,pctsrf,rain_fall,snow_fall,evap, |
|---|
| 2 | . agesno, tsol,qsol,snow,runoff) |
|---|
| 3 | IMPLICIT none |
|---|
| 4 | c====================================================================== |
|---|
| 5 | c Auteur(s): Z.X. Li (LMD/CNRS) |
|---|
| 6 | c date: 19940414 |
|---|
| 7 | c====================================================================== |
|---|
| 8 | c |
|---|
| 9 | c Traitement de l'hydrologie du sol |
|---|
| 10 | c --------------------------------- |
|---|
| 11 | c rain_fall: taux de pluie |
|---|
| 12 | c snow_fall: taux de neige |
|---|
| 13 | c agesno: age de la neige |
|---|
| 14 | c evap: taux d'evaporation |
|---|
| 15 | c tsol: temperature du sol |
|---|
| 16 | c qsol: humidite du sol |
|---|
| 17 | c snow: couverture neigeuse |
|---|
| 18 | C |
|---|
| 19 | #include "dimensions.h" |
|---|
| 20 | #include "dimphy.h" |
|---|
| 21 | #include "YOMCST.h" |
|---|
| 22 | #include "indicesol.h" |
|---|
| 23 | c |
|---|
| 24 | REAL chasno ! epaisseur du sol: 0.15 m |
|---|
| 25 | PARAMETER (chasno=3.334E+05/(2.3867E+06*0.15)) |
|---|
| 26 | REAL mx_eau_sol |
|---|
| 27 | PARAMETER (mx_eau_sol=150.0) |
|---|
| 28 | c |
|---|
| 29 | REAL dtime |
|---|
| 30 | REAL pctsrf(klon,nbsrf) |
|---|
| 31 | REAL snow(klon,nbsrf), tsol(klon,nbsrf), qsol(klon,nbsrf) |
|---|
| 32 | REAL snow_fall(klon), rain_fall(klon), evap(klon) |
|---|
| 33 | REAL runoff(klon), agesno(klon) |
|---|
| 34 | C |
|---|
| 35 | INTEGER i, is |
|---|
| 36 | REAL subli, fsno |
|---|
| 37 | C----------------------------------------------------------------------- |
|---|
| 38 | DO 99999 i = 1, klon |
|---|
| 39 | c |
|---|
| 40 | runoff(i) = 0.0 |
|---|
| 41 | c |
|---|
| 42 | is = is_ter |
|---|
| 43 | snow(i,is) = snow(i,is) + snow_fall(i) * dtime * pctsrf(i,is) |
|---|
| 44 | IF (pctsrf(i,is) .GT. epsfra) THEN |
|---|
| 45 | subli = MIN(evap(i)*dtime,snow(i,is)) |
|---|
| 46 | snow(i,is) = snow(i,is) - subli |
|---|
| 47 | fsno = MIN(MAX((tsol(i,is)-RTT)/chasno,0.0),snow(i,is)) |
|---|
| 48 | snow(i,is) = snow(i,is) - fsno |
|---|
| 49 | tsol(i,is) = tsol(i,is) - fsno*chasno |
|---|
| 50 | qsol(i,is) = qsol(i,is) + (rain_fall(i)-evap(i))*dtime |
|---|
| 51 | . + subli + fsno |
|---|
| 52 | qsol(i,is) = MAX(qsol(i,is),0.0) |
|---|
| 53 | runoff(i) = runoff(i) + MAX(qsol(i,is)-mx_eau_sol, 0.0) |
|---|
| 54 | . * pctsrf(i,is) |
|---|
| 55 | qsol(i,is) = MIN(qsol(i,is),mx_eau_sol) |
|---|
| 56 | ccc ELSE |
|---|
| 57 | ccc snow(i,is) = 0.0 |
|---|
| 58 | ccc qsol(i,is) = 0.0 |
|---|
| 59 | ccc tsol(i,is) = 0.0 |
|---|
| 60 | ENDIF |
|---|
| 61 | c |
|---|
| 62 | is = is_lic |
|---|
| 63 | snow(i,is) = snow(i,is) + snow_fall(i) * dtime * pctsrf(i,is) |
|---|
| 64 | IF (pctsrf(i,is) .GT. epsfra) THEN |
|---|
| 65 | subli = MIN(evap(i)*dtime,snow(i,is)) |
|---|
| 66 | snow(i,is) = snow(i,is) - subli |
|---|
| 67 | fsno = MIN(MAX((tsol(i,is)-RTT)/chasno,0.0),snow(i,is)) |
|---|
| 68 | snow(i,is) = snow(i,is) - fsno |
|---|
| 69 | tsol(i,is) = tsol(i,is) - fsno*chasno |
|---|
| 70 | qsol(i,is) = qsol(i,is) + (rain_fall(i)-evap(i))*dtime |
|---|
| 71 | . + subli + fsno |
|---|
| 72 | qsol(i,is) = MAX(qsol(i,is),0.0) |
|---|
| 73 | runoff(i) = runoff(i) + MAX(qsol(i,is)-mx_eau_sol, 0.0) |
|---|
| 74 | . * pctsrf(i,is) |
|---|
| 75 | qsol(i,is) = MIN(qsol(i,is),mx_eau_sol) |
|---|
| 76 | c je limite la temperature a RTT-1.8 (il faudrait aussi prendre l'eau de |
|---|
| 77 | c la fonte) (Laurent Li, le 14mars98): |
|---|
| 78 | tsol(i,is) = MIN(tsol(i,is),RTT-1.8) |
|---|
| 79 | c |
|---|
| 80 | ccc ELSE |
|---|
| 81 | ccc snow(i,is) = 0.0 |
|---|
| 82 | ccc qsol(i,is) = 0.0 |
|---|
| 83 | ccc tsol(i,is) = 0.0 |
|---|
| 84 | ENDIF |
|---|
| 85 | c |
|---|
| 86 | is = is_sic |
|---|
| 87 | qsol(i,is) = 0.0 |
|---|
| 88 | snow(i,is) = snow(i,is) + snow_fall(i) * dtime * pctsrf(i,is) |
|---|
| 89 | IF (pctsrf(i,is) .GT. epsfra) THEN |
|---|
| 90 | subli = MIN(evap(i)*dtime,snow(i,is)) |
|---|
| 91 | snow(i,is) = snow(i,is) - subli |
|---|
| 92 | fsno = MIN(MAX((tsol(i,is)-RTT)/chasno,0.0),snow(i,is)) |
|---|
| 93 | snow(i,is) = snow(i,is) - fsno |
|---|
| 94 | tsol(i,is) = tsol(i,is) - fsno*chasno |
|---|
| 95 | c je limite la temperature a RTT-1.8 (il faudrait aussi prendre l'eau de |
|---|
| 96 | c la fonte) (Laurent Li, le 14mars98): |
|---|
| 97 | tsol(i,is) = MIN(tsol(i,is),RTT-1.8) |
|---|
| 98 | c |
|---|
| 99 | ccc ELSE |
|---|
| 100 | ccc snow(i,is) = 0.0 |
|---|
| 101 | ccc tsol(i,is) = 0.0 |
|---|
| 102 | ENDIF |
|---|
| 103 | c |
|---|
| 104 | agesno(i) = (agesno(i)+ (1.-agesno(i)/50.)*dtime/86400.) |
|---|
| 105 | . * EXP(-1.*MAX(0.0,snow_fall(i))*dtime/0.3) |
|---|
| 106 | agesno(i) = MAX(agesno(i),0.0) |
|---|
| 107 | c |
|---|
| 108 | 99999 CONTINUE |
|---|
| 109 | c |
|---|
| 110 | RETURN |
|---|
| 111 | END |
|---|
