1 | CCC$Header$ |
---|
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 --------------------------------------------------------------------------- |
---|
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 | |
---|
56 | IF(lwp) write(numout,*) |
---|
57 | IF(lwp) write(numout,*) 'p4zday - Julian day ', nday_year |
---|
58 | IF(lwp) write(numout,*) |
---|
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 |
---|