1 |
gforget |
1.6 |
C $Header: /u/gcmpack/MITgcm/pkg/layers/layers_init_fixed.F,v 1.5 2011/06/07 22:20:58 jmc Exp $ |
2 |
rpa |
1.1 |
C $Name: $ |
3 |
|
|
|
4 |
|
|
#include "LAYERS_OPTIONS.h" |
5 |
|
|
|
6 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
7 |
|
|
|
8 |
|
|
SUBROUTINE LAYERS_INIT_FIXED( myThid ) |
9 |
|
|
|
10 |
|
|
C =================================================================== |
11 |
|
|
C Initialize LAYERS variables that are kept fixed during the run. |
12 |
|
|
C =================================================================== |
13 |
|
|
|
14 |
|
|
IMPLICIT NONE |
15 |
|
|
#include "EEPARAMS.h" |
16 |
|
|
#include "SIZE.h" |
17 |
|
|
#include "PARAMS.h" |
18 |
|
|
#include "GRID.h" |
19 |
|
|
#include "LAYERS_SIZE.h" |
20 |
|
|
#include "LAYERS.h" |
21 |
|
|
|
22 |
|
|
C INPUT/OUTPUT PARAMETERS: |
23 |
|
|
C myThid :: my Thread Id number |
24 |
|
|
INTEGER myThid |
25 |
|
|
|
26 |
|
|
C LOCAL VARIABLES: |
27 |
|
|
C k :: loop index |
28 |
|
|
C kk,kkinit :: fine grid loop indices |
29 |
|
|
C Zf :: depth at cell boundaries |
30 |
|
|
C Zf :: depth at cell centers |
31 |
|
|
C ZZf :: depth at cell boundaries (fine grid) |
32 |
|
|
C ZZc :: depth at cell centers (fine grid) |
33 |
jmc |
1.4 |
C msgBuf :: Informational/error message buffer |
34 |
rpa |
1.1 |
INTEGER k,kk,kkinit |
35 |
|
|
_RL Zf(Nr+1) |
36 |
|
|
_RL Zc(Nr) |
37 |
|
|
_RL ZZf(FineGridMax+1) |
38 |
|
|
_RL ZZc(FineGridMax) |
39 |
|
|
|
40 |
|
|
CHARACTER*(MAX_LEN_MBUF) msgBuf |
41 |
|
|
|
42 |
|
|
#ifdef ALLOW_MNC |
43 |
|
|
#ifdef LAYERS_MNC |
44 |
|
|
IF (layers_MNC) THEN |
45 |
|
|
CALL LAYERS_MNC_INIT( myThid ) |
46 |
|
|
ENDIF |
47 |
|
|
#endif /* LAYERS_MNC */ |
48 |
|
|
#endif /* ALLOW_MNC */ |
49 |
|
|
|
50 |
|
|
C Set up the vertical grid |
51 |
|
|
|
52 |
|
|
C for now, just use up the entire available array for ZZ |
53 |
|
|
NZZ = FineGridMax |
54 |
|
|
|
55 |
|
|
C Z and ZZ are INCREASING DOWNWARD!!! |
56 |
|
|
C Maybe this is dumb but it will work as long as we are consistent |
57 |
|
|
|
58 |
|
|
|
59 |
|
|
C Each dF cell is split into FineGridFact fine cells |
60 |
|
|
C Calculate dZZf on the fine grid |
61 |
|
|
kkinit = 1 |
62 |
|
|
DO k=1,Nr |
63 |
|
|
DO kk=kkinit,kkinit+FineGridFact-1 |
64 |
|
|
dZZf(kk) = dRf(k) / FineGridFact |
65 |
|
|
ENDDO |
66 |
|
|
kkinit = kkinit + FineGridFact |
67 |
|
|
ENDDO |
68 |
|
|
|
69 |
|
|
C find the depths |
70 |
|
|
Zf(1) = 0. _d 0 |
71 |
|
|
Zc(1) = drC(1) |
72 |
|
|
DO k=2,Nr |
73 |
|
|
Zf(k) = Zf(k-1) + drF(k-1) |
74 |
|
|
Zc(k) = Zc(k-1) + drC(k) |
75 |
|
|
ENDDO |
76 |
|
|
Zf(Nr+1) = Zf(Nr) + drF(Nr) |
77 |
|
|
|
78 |
|
|
C create ZZ |
79 |
|
|
ZZf(1) = 0. _d 0 |
80 |
rpa |
1.3 |
ZZc(1) = 0.5 _d 0 * dZZf(1) |
81 |
rpa |
1.1 |
|
82 |
rpa |
1.3 |
DO kk=2,NZZ+1 |
83 |
rpa |
1.1 |
ZZf(kk) = ZZf(kk-1) + dZZf(kk-1) |
84 |
rpa |
1.3 |
ZZc(kk-1) = 0.5 _d 0 * (ZZf(kk) + ZZf(kk-1)) |
85 |
rpa |
1.1 |
ENDDO |
86 |
|
|
|
87 |
|
|
C create the interpolating mapping arrays |
88 |
|
|
k = 1 |
89 |
|
|
DO kk=1,NZZ |
90 |
|
|
C see if ZZc point is less than the top Zc point |
91 |
|
|
IF ( ZZc(kk) .LT. Zc(1) ) THEN |
92 |
|
|
MapIndex(kk) = 1 |
93 |
|
|
MapFact(kk) = 1.0 _d 0 |
94 |
|
|
C see if ZZc point is greater than the bottom Zc point |
95 |
|
|
ELSE IF ( (ZZc(kk) .GE. Zc(Nr)) .OR. (k .EQ. Nr) ) THEN |
96 |
|
|
MapIndex(kk) = Nr - 1 |
97 |
|
|
MapFact(kk) = 0.0 _d 0 |
98 |
|
|
C Otherwise we are somewhere in between and need to do interpolation) |
99 |
|
|
ELSE IF ( (ZZc(kk) .GE. Zc(k)) |
100 |
|
|
& .AND. (ZZc(kk) .LT. Zc(Nr)) ) THEN |
101 |
|
|
C Find the proper k value |
102 |
|
|
DO WHILE (ZZc(kk) .GE. Zc(k+1)) |
103 |
|
|
k = k + 1 |
104 |
|
|
ENDDO |
105 |
|
|
C If the loop stopped, that means Zc(k) <= ZZc(kk) < ZZc(k+1) |
106 |
|
|
MapIndex(kk) = k |
107 |
|
|
MapFact(kk) = 1.0 - (( ZZc(kk) - Zc(k) ) / drC(k+1)) |
108 |
|
|
ELSE |
109 |
|
|
C This means there was a problem |
110 |
|
|
WRITE(msgBuf,'(A,I4,A,I4,A,1E14.6,A,2E14.6)') |
111 |
|
|
& 'S/R LAYERS_INIT_FIXED: kk=', kk, ', k=', k, |
112 |
|
|
& ', ZZc(kk)=', ZZc(kk),' , Zc(k)=',Zc(k) |
113 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
114 |
|
|
STOP 'ABNORMAL END: S/R LAYERS_INIT_FIXED' |
115 |
jmc |
1.4 |
ENDIF |
116 |
rpa |
1.1 |
|
117 |
|
|
C See which grid box the point lies in |
118 |
jmc |
1.2 |
IF ( ZZc(kk).LT.Zf(MapIndex(kk)+1) ) THEN |
119 |
rpa |
1.1 |
CellIndex(kk) = MapIndex(kk) |
120 |
|
|
ELSE |
121 |
|
|
CellIndex(kk) = MapIndex(kk)+1 |
122 |
jmc |
1.4 |
ENDIF |
123 |
rpa |
1.1 |
ENDDO |
124 |
|
|
|
125 |
jmc |
1.5 |
IF ( debugLevel .GE. debLevB ) THEN |
126 |
rpa |
1.1 |
CALL PRINT_MESSAGE( 'LAYERS_INIT_FIXED Debugging:', |
127 |
jmc |
1.5 |
& standardMessageUnit, SQUEEZE_RIGHT, myThid ) |
128 |
rpa |
1.1 |
DO kk=1,NZZ |
129 |
|
|
WRITE(msgBuf,'(A,1F6.1,A,I3,A,I3,A,I3,A,1F6.4,A,I3,A,I3)') |
130 |
|
|
& '// ZZc=', ZZc(kk), |
131 |
|
|
& ', MapIndex(',kk,')=',MapIndex(kk), |
132 |
|
|
& ', MapFact(',kk,')=',MapFact(kk), |
133 |
|
|
& ', CellIndex(',kk,')=',CellIndex(kk) |
134 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
135 |
jmc |
1.5 |
& SQUEEZE_RIGHT, myThid ) |
136 |
rpa |
1.1 |
ENDDO |
137 |
jmc |
1.4 |
ENDIF |
138 |
rpa |
1.1 |
|
139 |
rpa |
1.3 |
C Output the layer coordinates |
140 |
jmc |
1.4 |
CALL WRITE_GLVEC_RL( 'layers_G', ' ', layers_G, 1+Nlayers, |
141 |
rpa |
1.3 |
& -1, myThid ) |
142 |
|
|
|
143 |
gforget |
1.6 |
#ifdef ALLOW_DIAGNOSTICS |
144 |
|
|
IF ( useDiagnostics ) THEN |
145 |
|
|
CALL LAYERS_DIAGNOSTICS_INIT( myThid ) |
146 |
|
|
ENDIF |
147 |
|
|
#endif |
148 |
|
|
|
149 |
rpa |
1.1 |
RETURN |
150 |
|
|
END |