| 1 |
C $Header: /u/gcmpack/MITgcm/verification/aim.5l_cs/code/aim_external_fields_load.F,v 1.1 2002/01/09 00:30:44 jmc Exp $ |
| 2 |
C $Name: checkpoint43a-release1mods $ |
| 3 |
|
| 4 |
#include "AIM_OPTIONS.h" |
| 5 |
|
| 6 |
CStartOfInterface |
| 7 |
SUBROUTINE AIM_EXTERNAL_FIELDS_LOAD( |
| 8 |
I myTime, myIter, myThid ) |
| 9 |
C /==========================================================\ |
| 10 |
C | SUBROUTINE AIM_EXTERNAL_FIELDS_LOAD | |
| 11 |
C | o Control reading of AIM fields from external source. | |
| 12 |
C |==========================================================| |
| 13 |
C | Loads bottom boundary condition datasets for AIM. | |
| 14 |
C | The routine is called every timetep and periodically | |
| 15 |
C | loads a set of external fields. | |
| 16 |
C | Monthly climatology files are read for | |
| 17 |
C | Albedo | |
| 18 |
C | Soil moisture | |
| 19 |
C | Land and sea surface temps. | |
| 20 |
C | Most of the work is done by the master the thread while | |
| 21 |
C | the other threads spin. | |
| 22 |
C \==========================================================/ |
| 23 |
IMPLICIT NONE |
| 24 |
|
| 25 |
C === Global variables === |
| 26 |
#include "SIZE.h" |
| 27 |
#include "EEPARAMS.h" |
| 28 |
#include "PARAMS.h" |
| 29 |
#include "GRID.h" |
| 30 |
#include "AIM_FFIELDS.h" |
| 31 |
|
| 32 |
C === Routine arguments === |
| 33 |
C myThid - Thread no. that called this routine. |
| 34 |
C myTime - Simulation time |
| 35 |
C myIter - Simulation timestep number |
| 36 |
INTEGER myThid |
| 37 |
_RL myTime |
| 38 |
INTEGER myIter |
| 39 |
CEndOfInterface |
| 40 |
|
| 41 |
C === Functions === |
| 42 |
LOGICAL DIFFERENT_MULTIPLE |
| 43 |
EXTERNAL DIFFERENT_MULTIPLE |
| 44 |
|
| 45 |
#ifdef ALLOW_AIM |
| 46 |
C === Local variables === |
| 47 |
C bi,bj, i,j - Loop counters |
| 48 |
C tYear - Fraction within year of myTime |
| 49 |
C mnthIndex - Current time in whole months |
| 50 |
C prevMnthIndex |
| 51 |
C fNam - Strings used in constructing file names |
| 52 |
C mnthNam |
| 53 |
C pfact - used to convert Pot.Temp. to in-situ Temp. |
| 54 |
INTEGER bi,bj, i, j |
| 55 |
_RL pfact |
| 56 |
REAL tYear |
| 57 |
INTEGER mnthIndex |
| 58 |
INTEGER prevMnthIndex |
| 59 |
DATA prevMnthIndex / 0 / |
| 60 |
SAVE prevMnthIndex |
| 61 |
CHARACTER*17 fNam |
| 62 |
CHARACTER*3 mnthNam(12) |
| 63 |
DATA mnthNam / |
| 64 |
& 'jan', 'feb', 'mar', 'apr', 'may', 'jun', |
| 65 |
& 'jul', 'aug', 'sep', 'oct', 'nov', 'dec' / |
| 66 |
SAVE mnthNam |
| 67 |
LOGICAL firstCall |
| 68 |
DATA FirstCall /.TRUE./ |
| 69 |
SAVE FirstCall |
| 70 |
|
| 71 |
C Prevent loading of new data before everyone has finished with it |
| 72 |
CALL BAR2(myThid) |
| 73 |
|
| 74 |
C Master thread coordinates loading of AIM datasets |
| 75 |
_BEGIN_MASTER( myThid ) |
| 76 |
|
| 77 |
C Calculate offset into a year |
| 78 |
tYear = myTime/(86400.*360.) - |
| 79 |
& FLOAT(INT(myTime/(86400.*360.))) |
| 80 |
mnthIndex = INT(tYear*12.)+1 |
| 81 |
IF ( mnthIndex .NE. prevMnthIndex .OR. |
| 82 |
& FirstCall ) THEN |
| 83 |
C New month so load in data |
| 84 |
prevMnthIndex = mnthIndex |
| 85 |
C o Albedo ( convert % to fraction ) |
| 86 |
WRITE(fNam,'(A,A,A)' ) 'salb.',mnthNam(mnthIndex),'.cs.bin' |
| 87 |
CALL MDSREADFIELD(fNam(1:15),readBinaryPrec,'RS',1, |
| 88 |
O aim_albedo, |
| 89 |
I 1,myThid) |
| 90 |
|
| 91 |
C o Surface temperature ( in kelvin ) |
| 92 |
WRITE(fNam,'(A,A,A)' ) 'stheta.',mnthNam(mnthIndex),'.cs.bin' |
| 93 |
c WRITE(fNam,'(A,A,A)' ) 'tsurf.',mnthNam(mnthIndex),'.cs.bin' |
| 94 |
CALL MDSREADFIELD(fNam(1:17),readBinaryPrec,'RS',1, |
| 95 |
O aim_surftemp, |
| 96 |
I 1,myThid) |
| 97 |
|
| 98 |
C o Soil moisture |
| 99 |
WRITE(fNam,'(A,A,A)' ) 'smoist.',mnthNam(mnthIndex),'.cs.bin' |
| 100 |
CALL MDSREADFIELD(fNam(1:17),readBinaryPrec,'RS',1, |
| 101 |
O aim_soilMoisture, |
| 102 |
I 1,myThid) |
| 103 |
|
| 104 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 105 |
|
| 106 |
C-- Converts fields for direct use in Atmos. Physics routine. |
| 107 |
C better here rather than in "aim_do_atmos" since: |
| 108 |
C a) change together conversion factor and input file name. |
| 109 |
C b) conversion applied only 1 time / month ; |
| 110 |
C c) easy to check here (variable in common). |
| 111 |
|
| 112 |
DO bj=1,nSy |
| 113 |
DO bi=1,nSx |
| 114 |
|
| 115 |
C- Converts surface albedo : input data is in % 0-100 |
| 116 |
C and Francos package needs a fraction between 0-1 |
| 117 |
DO j=1,sNy |
| 118 |
DO i=1,sNx |
| 119 |
aim_albedo(I,J,bi,bj) = aim_albedo(I,J,bi,bj)/100. |
| 120 |
ENDDO |
| 121 |
ENDDO |
| 122 |
|
| 123 |
C- Converts soil moisture (case input is in cm in bucket of depth 20cm.) |
| 124 |
c DO j=1,sNy |
| 125 |
c DO i=1,sNx |
| 126 |
c aim_soilMoisture(I,J,bi,bj) = aim_soilMoisture(I,J,bi,bj) |
| 127 |
c & /20. |
| 128 |
c ENDDO |
| 129 |
c ENDDO |
| 130 |
|
| 131 |
C- Converts surface potential temp. to in-situ temperature : |
| 132 |
DO j=1,sNy |
| 133 |
DO i=1,sNx |
| 134 |
pfact = (Ro_surf(i,j,bi,bj)/atm_po)**atm_kappa |
| 135 |
aim_surftemp(i,j,bi,bj) = aim_surftemp(i,j,bi,bj) |
| 136 |
& * pfact |
| 137 |
ENDDO |
| 138 |
ENDDO |
| 139 |
|
| 140 |
C-- end bi,bj loops |
| 141 |
ENDDO |
| 142 |
ENDDO |
| 143 |
|
| 144 |
IF (FirstCall) |
| 145 |
& CALL WRITE_FLD_XY_RL('aim_Tsurf',' ',aim_surftemp,0,myThid) |
| 146 |
|
| 147 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 148 |
|
| 149 |
ENDIF |
| 150 |
|
| 151 |
FirstCall = .FALSE. |
| 152 |
_END_MASTER( myThid ) |
| 153 |
|
| 154 |
C Stop anyone leaving until all data is read |
| 155 |
CALL BAR2(myThid) |
| 156 |
|
| 157 |
#endif /* ALLOW_AIM */ |
| 158 |
|
| 159 |
RETURN |
| 160 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph