1 |
edhill |
1.11 |
C $Header: /u/u3/gcmpack/MITgcm/pkg/seaice/seaice_model.F,v 1.9 2003/10/09 04:19:20 edhill Exp $ |
2 |
edhill |
1.9 |
C $Name: $ |
3 |
heimbach |
1.2 |
|
4 |
|
|
#include "SEAICE_OPTIONS.h" |
5 |
|
|
|
6 |
|
|
CStartOfInterface |
7 |
|
|
SUBROUTINE seaice_model( myTime, myIter, myThid ) |
8 |
dimitri |
1.7 |
C /===========================================================\ |
9 |
|
|
C | SUBROUTINE SEAICE_MODEL | |
10 |
|
|
C | o Time stepping of a dynamic/thermodynamic sea ice model. | |
11 |
|
|
C | Dynamics solver: Zhang/Hibler, JGR, 102, 8691-8702, 1997 | |
12 |
|
|
C | and Zhang/Rothrock, JGR, 105, 3325-3338, 2000 | |
13 |
|
|
C | Thermodynamics: Hibler, MWR, 108, 1943-1973, 1980 | |
14 |
|
|
C | Rheology: Hibler, JPO, 9, 815- 846, 1979 | |
15 |
|
|
C | Snow: Zhang et al. , JPO, 28, 191- 217, 1998 | |
16 |
|
|
C | Parallel forward ice model written by Jinlun Zhang PSC/UW| |
17 |
|
|
C | & coupled into MITgcm by Dimitris Menemenlis (JPL) 2/2001| |
18 |
|
|
C | zhang@apl.washington.edu / menemenlis@jpl.nasa.gov | |
19 |
|
|
C |===========================================================| |
20 |
|
|
C \===========================================================/ |
21 |
heimbach |
1.2 |
IMPLICIT NONE |
22 |
|
|
|
23 |
|
|
C === Global variables === |
24 |
|
|
#include "SIZE.h" |
25 |
|
|
#include "EEPARAMS.h" |
26 |
|
|
#include "DYNVARS.h" |
27 |
|
|
#include "PARAMS.h" |
28 |
|
|
#include "FFIELDS.h" |
29 |
|
|
#include "SEAICE.h" |
30 |
|
|
#include "SEAICE_PARAMS.h" |
31 |
edhill |
1.11 |
#include "SEAICE_EXTERNAL.h" |
32 |
heimbach |
1.2 |
|
33 |
heimbach |
1.8 |
#ifdef SEAICE_EXTERNAL_FORCING |
34 |
|
|
# include "SEAICE_FFIELDS.h" |
35 |
|
|
#endif |
36 |
|
|
|
37 |
dimitri |
1.3 |
#ifdef ALLOW_AUTODIFF_TAMC |
38 |
|
|
# include "tamc.h" |
39 |
dimitri |
1.5 |
#endif |
40 |
dimitri |
1.4 |
|
41 |
heimbach |
1.2 |
C === Routine arguments === |
42 |
|
|
C myTime - Simulation time |
43 |
|
|
C myIter - Simulation timestep number |
44 |
|
|
C myThid - Thread no. that called this routine. |
45 |
|
|
_RL myTime |
46 |
|
|
INTEGER myIter |
47 |
|
|
INTEGER myThid |
48 |
|
|
CEndOfInterface |
49 |
|
|
|
50 |
|
|
#ifdef ALLOW_SEAICE |
51 |
|
|
|
52 |
|
|
C === Local variables === |
53 |
dimitri |
1.4 |
C i,j,bi,bj - Loop counters |
54 |
heimbach |
1.2 |
|
55 |
dimitri |
1.4 |
INTEGER i, j, bi, bj |
56 |
heimbach |
1.2 |
|
57 |
dimitri |
1.4 |
#ifdef SEAICE_EXTERNAL_FORCING |
58 |
|
|
C-- Atmospheric state and runoff are from |
59 |
|
|
C pkg/exf, which does not update edges. |
60 |
|
|
_EXCH_XY_R8( uwind, myThid ) |
61 |
|
|
_EXCH_XY_R8( vwind, myThid ) |
62 |
|
|
_EXCH_XY_R8( atemp, myThid ) |
63 |
|
|
_EXCH_XY_R8( aqh, myThid ) |
64 |
dimitri |
1.5 |
_EXCH_XY_R8( lwdown, myThid ) |
65 |
|
|
_EXCH_XY_R8( swdown, mythid ) |
66 |
dimitri |
1.4 |
_EXCH_XY_R8( precip, myThid ) |
67 |
|
|
_EXCH_XY_R8( evap, myThid ) |
68 |
|
|
_EXCH_XY_R8( runoff, myThid ) |
69 |
dimitri |
1.5 |
#else /* SEAICE_EXTERNAL_FORCING */ |
70 |
dimitri |
1.4 |
C-- Load atmospheric state and runoff. |
71 |
heimbach |
1.2 |
CALL SEAICE_GET_FORCING ( myTime, myIter, myThid ) |
72 |
dimitri |
1.5 |
#endif /* SEAICE_EXTERNAL_FORCING */ |
73 |
heimbach |
1.2 |
|
74 |
|
|
C-- Third level model velocity is used as proxy for geostrophic velocity |
75 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
76 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
77 |
|
|
DO j=0,sNy+1 |
78 |
|
|
DO i=0,sNx+1 |
79 |
dimitri |
1.6 |
GWATX(I,J,bi,bj)=HALF*(uVel(i,j,3,bi,bj) |
80 |
|
|
& +uVel(i,j-1,3,bi,bj)) |
81 |
|
|
GWATY(I,J,bi,bj)=HALF*(vVel(i,j,3,bi,bj) |
82 |
|
|
& +vVel(i-1,j,3,bi,bj)) |
83 |
heimbach |
1.2 |
#ifdef SEAICE_DEBUG |
84 |
|
|
c write(*,'(2i4,2i2,f7.1,7f12.3)') |
85 |
|
|
c & ,i,j,bi,bj,UVM(I,J,bi,bj) |
86 |
|
|
c & ,GWATX(I,J,bi,bj),GWATY(I,J,bi,bj) |
87 |
|
|
c & ,uVel(i+1,j,3,bi,bj),uVel(i+1,j+1,3,bi,bj) |
88 |
|
|
c & ,vVel(i,j+1,3,bi,bj),vVel(i+1,j+1,3,bi,bj) |
89 |
dimitri |
1.5 |
#endif |
90 |
heimbach |
1.2 |
ENDDO |
91 |
|
|
ENDDO |
92 |
|
|
ENDDO |
93 |
|
|
ENDDO |
94 |
|
|
|
95 |
heimbach |
1.8 |
#ifdef ALLOW_AUTODIFF_TAMC |
96 |
|
|
CADJ STORE uwind = comlev1, key = ikey_dynamics |
97 |
|
|
CADJ STORE vwind = comlev1, key = ikey_dynamics |
98 |
|
|
# ifdef SEAICE_ALLOW_DYNAMICS |
99 |
|
|
CADJ STORE heff = comlev1, key = ikey_dynamics |
100 |
|
|
CADJ STORE area = comlev1, key = ikey_dynamics |
101 |
|
|
# endif |
102 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
103 |
|
|
|
104 |
heimbach |
1.2 |
C solve ice momentum equations and calculate ocean surface stress |
105 |
|
|
CALL DYNSOLVER ( myTime, myIter, myThid ) |
106 |
|
|
|
107 |
heimbach |
1.8 |
#ifdef ALLOW_AUTODIFF_TAMC |
108 |
|
|
# ifdef SEAICE_ALLOW_DYNAMICS |
109 |
|
|
CADJ STORE heff = comlev1, key = ikey_dynamics |
110 |
|
|
CADJ STORE area = comlev1, key = ikey_dynamics |
111 |
|
|
CADJ STORE uice = comlev1, key = ikey_dynamics |
112 |
|
|
CADJ STORE vice = comlev1, key = ikey_dynamics |
113 |
|
|
# endif |
114 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
115 |
heimbach |
1.2 |
C NOW DO ADVECTION |
116 |
|
|
CALL ADVECT( UICE, VICE, HEFF, HEFFM, myThid ) |
117 |
|
|
CALL ADVECT( UICE, VICE, AREA, HEFFM, myThid ) |
118 |
|
|
|
119 |
|
|
C NOW DO GROWTH |
120 |
|
|
C MUST CALL GROWTH ONLY AFTER CALLING ADVECTION |
121 |
|
|
CALL GROWTH( myTime, myIter, myThid) |
122 |
|
|
|
123 |
|
|
C-- Update overlap regions for a bunch of stuff |
124 |
|
|
_BARRIER |
125 |
dimitri |
1.5 |
CALL SEAICE_EXCH( HEFF, myThid ) |
126 |
|
|
CALL SEAICE_EXCH( AREA, myThid ) |
127 |
heimbach |
1.2 |
_EXCH_XY_R4(fu , myThid ) |
128 |
|
|
_EXCH_XY_R4(fv , myThid ) |
129 |
|
|
_EXCH_XY_R4(EmPmR, myThid ) |
130 |
|
|
_EXCH_XY_R4(Qnet , myThid ) |
131 |
|
|
_EXCH_XY_R4(surfaceTendencyTice, myThid ) |
132 |
|
|
#ifdef SHORTWAVE_HEATING |
133 |
|
|
_EXCH_XY_R4(Qsw , myThid ) |
134 |
dimitri |
1.5 |
#endif |
135 |
heimbach |
1.2 |
_EXCH_XYZ_R8(theta , myThid ) |
136 |
|
|
|
137 |
|
|
C-- Sea ice diagnostics. |
138 |
|
|
CALL SEAICE_DO_DIAGS( myTime, myIter, myThid ) |
139 |
|
|
|
140 |
|
|
C-- Write sea ice restart files |
141 |
|
|
CALL SEAICE_WRITE_PICKUP ( .FALSE., |
142 |
|
|
& myTime+deltaTClock, myIter+1, myThid ) |
143 |
dimitri |
1.3 |
|
144 |
|
|
C--------------------------------------------------- |
145 |
|
|
C OOH NOOOO we need to move the whole stuff |
146 |
|
|
C--------------------------------------------------- |
147 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
148 |
|
|
CRG CADJ store UICE,VICE,AREA,HEFF,fu,fv,EmPmR,Qnet,Qsw = comlev1_bibj |
149 |
dimitri |
1.5 |
#endif |
150 |
dimitri |
1.3 |
|
151 |
|
|
C-- Call sea-ice cost function routine |
152 |
|
|
CRG CALL SEAICE_COST( myTime, myIter, myThid ) |
153 |
heimbach |
1.2 |
|
154 |
dimitri |
1.5 |
#endif /* ALLOW_SEAICE */ |
155 |
heimbach |
1.2 |
|
156 |
|
|
RETURN |
157 |
|
|
END |