[719] | 1 | CCC$Header$ |
---|
[274] | 2 | CCC TOP 1.0 , LOCEAN-IPSL (2005) |
---|
| 3 | C This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
---|
| 4 | C --------------------------------------------------------------------------- |
---|
[186] | 5 | CDIR$ LIST |
---|
| 6 | SUBROUTINE p4zday |
---|
| 7 | #if defined key_passivetrc && defined key_trc_pisces |
---|
| 8 | CCC--------------------------------------------------------------------- |
---|
| 9 | CCC |
---|
| 10 | CCC ROUTINE p4zday : PISCES MODEL |
---|
| 11 | CCC ***************************** |
---|
| 12 | CCC |
---|
| 13 | CCC PURPOSE : |
---|
| 14 | CCC --------- |
---|
| 15 | CCC PISCES : compute the day length depending on latitude |
---|
| 16 | CCC and the day |
---|
| 17 | CCC |
---|
| 18 | CC INPUT : |
---|
| 19 | CC ----- |
---|
| 20 | CC argument |
---|
| 21 | CC ktask : task identificator |
---|
| 22 | CC common |
---|
| 23 | CC all the common defined in opa |
---|
| 24 | CC |
---|
| 25 | CC |
---|
| 26 | CC OUTPUT : : no |
---|
| 27 | CC ------ |
---|
| 28 | CC |
---|
| 29 | CC EXTERNAL : |
---|
| 30 | CC -------- |
---|
| 31 | CC None |
---|
| 32 | CC |
---|
| 33 | CC MODIFICATIONS: |
---|
| 34 | CC -------------- |
---|
| 35 | CC original : E. Maier-Reimer (GBC 1993) |
---|
| 36 | CC additions : C. Le Quere (1999) |
---|
| 37 | CC modifications : O. Aumont (2004) |
---|
| 38 | CC---------------------------------------------------------------------- |
---|
| 39 | CC parameters and commons |
---|
| 40 | CC ====================== |
---|
| 41 | USE oce_trc |
---|
| 42 | USE trp_trc |
---|
| 43 | USE sms |
---|
| 44 | IMPLICIT NONE |
---|
| 45 | CC---------------------------------------------------------------------- |
---|
| 46 | CC local declarations |
---|
| 47 | CC ================== |
---|
| 48 | INTEGER ji, jj, iyy |
---|
| 49 | REAL rum, delta, codel, phi, argu |
---|
| 50 | C |
---|
| 51 | C Get year |
---|
| 52 | C -------- |
---|
| 53 | C |
---|
| 54 | iyy = ndastp/10000 |
---|
| 55 | |
---|
[260] | 56 | IF(lwp) write(numout,*) |
---|
| 57 | IF(lwp) write(numout,*) 'p4zday - Julian day ', nday_year |
---|
| 58 | IF(lwp) write(numout,*) |
---|
[186] | 59 | |
---|
| 60 | |
---|
| 61 | IF (nleapy.EQ.1 .AND. MOD(iyy,4).EQ.0) THEN |
---|
| 62 | rum = FLOAT(nday_year-80)/366. |
---|
| 63 | ELSE |
---|
| 64 | rum = FLOAT(nday_year-80)/365. |
---|
| 65 | ENDIF |
---|
| 66 | |
---|
| 67 | C |
---|
| 68 | delta = SIN(rum*rpi*2.)*sin(rpi*23.5/180.) |
---|
| 69 | codel = asin(delta) |
---|
| 70 | |
---|
| 71 | DO jj = 1,jpj |
---|
| 72 | DO ji = 1,jpi |
---|
| 73 | phi = gphit(ji,jj)*rpi/180. |
---|
| 74 | argu = tan(codel)*tan(phi) |
---|
| 75 | strn(ji,jj) = 0. |
---|
| 76 | argu=min(1.,argu) |
---|
| 77 | argu=max(-1.,argu) |
---|
| 78 | strn(ji,jj)=24.-2.*acos(argu)*180./rpi/15. |
---|
| 79 | strn(ji,jj)=max(strn(ji,jj),0.) |
---|
| 80 | END DO |
---|
| 81 | END DO |
---|
| 82 | C |
---|
| 83 | #endif |
---|
| 84 | RETURN |
---|
| 85 | END |
---|