pkg/aim_v23/aim_fields_load.F

C $Header: /u/gcmpack/MITgcm/pkg/aim_v23/aim_fields_load.F,v 1.5 2006/08/08 03:16:11 jmc Exp $
C $Name:  $

#include "AIM_OPTIONS.h"

CStartOfInterface
      SUBROUTINE AIM_FIELDS_LOAD(
     I                            myTime, myIter, myThid )
C     *==========================================================*
C     | SUBROUTINE AIM_FIELDS_LOAD
C     | o Control reading of AIM fields from external source.
C     *==========================================================*
C     | Loads surface boundary condition datasets for AIM.
C     | The routine is called every timetep and periodically
C     | loads a set of external fields.
C     | Monthly climatology files are read either for
C     | a) a direct use (useMMsurfFc):
C     |   Albedo, Soil moisture, Surface Temperature
C     | b) time interpolation (useFMsurfBC):
C     |   Sea & Land surf. Temp, snow, sea-ice, soil-water (2-lev)
C     | + (1rst.iter) ground albedo, vegetation, land-sea fraction
C     | Most of the work is done by the master the thread while
C     | the other threads spin.
C     *==========================================================*
      IMPLICIT NONE

C     === Global variables ===
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "AIM_PARAMS.h"
c #include "AIM_GRID.h"
#include "AIM_FFIELDS.h"

C     === Routine arguments ===
C     myThid - Thread no. that called this routine.
C     myTime - Simulation time
C     myIter - Simulation timestep number
      INTEGER myThid
      _RL     myTime
      INTEGER myIter
CEndOfInterface

C     === Functions ===

#ifdef ALLOW_AIM
C     === Local variables ===
C     bi,bj, i,j  :: Loop counters
C     tYear       :: Fraction within year of myTime
C     mnthIndex   :: Current time in whole months
C     prevMnthIndex
C     fNam        :: Strings used in constructing file names
C     mnthNam
C     pfact       :: used to convert Pot.Temp. to in-situ Temp.
C     loadNewData :: true when need to load new data from file
      INTEGER bi,bj, i, j
      INTEGER mnthIndex
      INTEGER prevMnthIndex
      COMMON / LOCAL_AIM_FIELDS_LOAD / prevMnthIndex
c     DATA    prevMnthIndex / 0 /
c     SAVE    prevMnthIndex
c     _RL pfact
      LOGICAL loadNewData
C--   for use with useMMsurfFc:
      CHARACTER*(MAX_LEN_FNAM) fNam
      CHARACTER*3 mnthNam(12)
      DATA mnthNam /
     & 'jan', 'feb', 'mar', 'apr', 'may', 'jun',
     & 'jul', 'aug', 'sep', 'oct', 'nov', 'dec' /
      SAVE mnthNam
C--   for use with useFMsurfBC:
      INTEGER nm0, nm1, nm2, nm3
      _RL t0prd, tNcyc, tmprd

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|

C--   find which month to use for surface BC
C     aim_surfForc_TimePeriod :: Length of forcing time period (e.g. 1 month)
C     aim_surfForc_NppCycle   :: Number of time period per Cycle (e.g. 12)
      t0prd = myTime / aim_surfForc_TimePeriod
      tNcyc = aim_surfForc_NppCycle

      IF (aim_useMMsurfFc) THEN
C-     select the current month :
        tmprd = MOD(t0prd,tNcyc)
        mnthIndex = 1 + INT(tmprd)
      ELSEIF (aim_useFMsurfBC) THEN
        tmprd = t0prd - 0.5 _d 0 + tNcyc
        tmprd = MOD(tmprd,tNcyc)
C-     select indices of previous month (nm0) and next month (nm1):
        nm0 = 1 + INT(tmprd)
        nm1 = 1 + MOD(nm0,aim_surfForc_NppCycle)
        mnthIndex = nm0
      ELSE
        RETURN
      ENDIF

C--   decide if it is time to load new data
      IF ( myIter.EQ.nIter0 ) THEN
        loadNewData = .TRUE.
      ELSE
        IF ( mnthIndex .NE. prevMnthIndex ) THEN
C-      switch to a new time record
          loadNewData = .TRUE.
        ELSE
          loadNewData = .FALSE.
        ENDIF
      ENDIF

      IF (aim_useMMsurfFc) THEN
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
C-- Use Monthly Mean surface forcing fields:

       IF ( loadNewData ) THEN
C-    New month so load in data

C     Prevent loading of new data before everyone has finished with it
         CALL BAR2(myThid)

C-      only one thread updates parameter in common block
         _BEGIN_MASTER( myThid )
         prevMnthIndex = mnthIndex
         _END_MASTER( myThid   )

C     Master thread coordinates loading of AIM datasets
C  note: with some I/O option (e.g.: SingleCpuIO) READ S/R contains
C        multi-threaded tasks => let all threads call the READ S/R ;
C        ( MASTER directives are inside S/R READ to do master-thread I/O)

C        o Albedo ( convert % to fraction )
         WRITE(fNam,'(A,A,A)' ) 'salb.',
     &         mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
         CALL READ_REC_XY_RS( fNam, aim_albedo, 1, myIter, myThid )

C        o Surface temperature ( in kelvin )
         IF (aim_surfPotTemp) THEN
          WRITE(fNam,'(A,A,A)' )'stheta.',
     &         mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
         ELSE
          WRITE(fNam,'(A,A,A)' )'sTemp.',
     &         mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
         ENDIF
         CALL READ_REC_XY_RS( fNam, aim_sst0, 1, myIter, myThid )

C        o Soil moisture
         WRITE(fNam,'(A,A,A)' ) 'smoist.',
     &         mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
         CALL READ_REC_XY_RS( fNam, aim_sw10, 1, myIter, myThid )

C     Stop anyone leaving until all data is read
         CALL BAR2(myThid)

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|

C--  Converts fields for direct use in Atmos. Physics routine.
C     better here rather than in "aim_do_atmos" since:
C     a) change together conversion factor and input file name.
C     b) conversion applied only 1 time / month ;
C     c) easy to check here (variable in common).

         DO bj = myByLo(myThid), myByHi(myThid)
          DO bi = myBxLo(myThid), myBxHi(myThid)

C-  Converts surface albedo : input data is in % 0-100
C     and Franco s package needs a fraction between 0-1
           DO j=1,sNy
            DO i=1,sNx
             aim_albedo(I,J,bi,bj) = aim_albedo(I,J,bi,bj)/100.
            ENDDO
           ENDDO

C-  Converts soil moisture (case input is in cm in bucket of depth 20cm.)
c          DO j=1,sNy
c           DO i=1,sNx
c            aim_sw10(I,J,bi,bj) = aim_sw10(I,J,bi,bj)
c    &                                   /20.
c           ENDDO
c          ENDDO

C--   Correct for truncation (because of hFacMin) of surface reference
C      pressure Ro_surf that affects Surf.Temp. :
           DO j=1,sNy
            DO i=1,sNx
c            pfact = (Ro_surf(i,j,bi,bj)/atm_Po)**atm_kappa
             aim_sst0(i,j,bi,bj) = aim_sst0(i,j,bi,bj)
     &                           * truncSurfP(i,j,bi,bj)
            ENDDO
           ENDDO

C-- end bi,bj loops
          ENDDO
         ENDDO

         IF (myIter.EQ.nIter0) THEN
          CALL BAR2(myThid)
          CALL WRITE_FLD_XY_RL( 'aim_Tsurf',' ', aim_sst0, 0, myThid )
         ENDIF

C-     endif New month - load in data
       ENDIF

      ELSEIF (aim_useFMsurfBC) THEN
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
C-- Use Franco Molteni surface BC:
C    take part of S/R INFORC + part of S/R FORDATE (albedo)
C    of the F.Molteni SPEEDY code (ver23)

       IF ( myIter.EQ.nIter0 ) THEN
        DO bj = myByLo(myThid), myByHi(myThid)
         DO bi = myBxLo(myThid), myBxHi(myThid)
          DO j=1-Oly,sNy+Oly
           DO i=1-Olx,sNx+Olx
c           aim_landFr(i,j,bi,bj)= 0.
            aim_albedo(i,j,bi,bj)= 0.
            aim_veget(i,j,bi,bj) = 0.
            aim_sst0(i,j,bi,bj) =300.
            aim_lst0(i,j,bi,bj) =300.
            aim_oic0(i,j,bi,bj) = 0.
            aim_snw0(i,j,bi,bj) = 0.
            aim_sw10(i,j,bi,bj) = 0.
            aim_sw20(i,j,bi,bj) = 0.
            aim_sst1(i,j,bi,bj) =300.
            aim_lst1(i,j,bi,bj) =300.
            aim_oic1(i,j,bi,bj) = 0.
            aim_snw1(i,j,bi,bj) = 0.
            aim_sw11(i,j,bi,bj) = 0.
            aim_sw21(i,j,bi,bj) = 0.
           ENDDO
          ENDDO
         ENDDO
        ENDDO
       ENDIF

       IF ( loadNewData ) THEN
C-     Load new data:

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
C     Prevent loading of new data before everyone has finished with it
        CALL BAR2(myThid)

C-      only one thread updates parameter in common block
        _BEGIN_MASTER( myThid )
        prevMnthIndex = mnthIndex
        _END_MASTER( myThid )

C     Master thread coordinates loading of AIM datasets
C     note: with some I/O option (e.g.: SingleCpuIO) READ S/R contains
C        multi-threaded tasks => let all threads call the READ S/R ;
C        ( MASTER directives are inside S/R READ to do master-thread I/O)

        IF ( myIter.EQ.nIter0 ) THEN
C-      Load Fixed Forcing only at the 1rst iter:

c        IF ( aim_LandFile .NE. ' '  ) THEN
c         CALL READ_REC_XY_RS(aim_LandFile,aim_landFr,1,myIter,myThid)
c        ENDIF
         IF ( aim_albFile .NE. ' '  ) THEN
          CALL READ_REC_XY_RS(aim_albFile,aim_albedo, 1,myIter,myThid)
         ENDIF
c           alb0(i,j) = 0.01*r4inp(i,j)
         IF ( aim_vegFile .NE. ' '  ) THEN
          CALL READ_REC_XY_RS(aim_vegFile,aim_veget,1,myIter,myThid)
         ENDIF

C-      endif 1rst iter.
        ENDIF

        IF ( aim_sstFile .NE. ' '  ) THEN
          CALL READ_REC_XY_RS(aim_sstFile,aim_sst0,nm0,myIter,myThid)
          CALL READ_REC_XY_RS(aim_sstFile,aim_sst1,nm1,myIter,myThid)
        ENDIF
        IF ( aim_lstFile .NE. ' '  ) THEN
          CALL READ_REC_XY_RS(aim_lstFile,aim_lst0,nm0,myIter,myThid)
          CALL READ_REC_XY_RS(aim_lstFile,aim_lst1,nm1,myIter,myThid)
        ENDIF
        IF ( aim_oiceFile .NE. ' '  ) THEN
          CALL READ_REC_XY_RS(aim_oiceFile,aim_oic0,nm0,myIter,myThid)
          CALL READ_REC_XY_RS(aim_oiceFile,aim_oic1,nm1,myIter,myThid)
        ENDIF
        IF ( aim_snowFile .NE. ' '  ) THEN
          CALL READ_REC_XY_RS(aim_snowFile,aim_snw0,nm0,myIter,myThid)
          CALL READ_REC_XY_RS(aim_snowFile,aim_snw1,nm1,myIter,myThid)
        ENDIF
        IF ( aim_swcFile .NE. ' '  ) THEN
          CALL READ_REC_XY_RS(aim_swcFile,aim_sw10,nm0,myIter,myThid)
          CALL READ_REC_XY_RS(aim_swcFile,aim_sw11,nm1,myIter,myThid)
          nm2 = nm0 + aim_surfForc_NppCycle
          nm3 = nm1 + aim_surfForc_NppCycle
          CALL READ_REC_XY_RS(aim_swcFile,aim_sw20,nm2,myIter,myThid)
          CALL READ_REC_XY_RS(aim_swcFile,aim_sw21,nm3,myIter,myThid)
        ENDIF

C     Stop anyone leaving until all data is read
        CALL BAR2(myThid)

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|

        DO bj = myByLo(myThid), myByHi(myThid)
         DO bi = myBxLo(myThid), myBxHi(myThid)

          IF ( myIter.EQ.nIter0 ) THEN
C-  Converts surface albedo : from % (input data) to a fraction [0-1}
c          alb0(i,j) = 0.01*r4inp(i,j)
           DO j=1,sNy
            DO i=1,sNx
             aim_albedo(i,j,bi,bj) = aim_albedo(I,J,bi,bj)/100. _d 0
            ENDDO
           ENDDO

C-  Converts vegetation fraction: from % (input data) to a fraction [0-1]
c          veg(i,j)=max(0.,0.01*veg(i,j))
           DO j=1,sNy
            DO i=1,sNx
             aim_veget(i,j,bi,bj) =
     &                 MAX(0. _d 0, aim_veget(i,j,bi,bj)/100. _d 0)
            ENDDO
           ENDDO
C-      endif 1rst iter.
          ENDIF

C--   Correct for truncation (because of hFacMin) of surface reference
C      pressure Ro_surf that affects Surf.Temp. :
          DO j=1,sNy
           DO i=1,sNx
c            pfact = (Ro_surf(i,j,bi,bj)/atm_Po)**atm_kappa
             aim_lst0(i,j,bi,bj) = aim_lst0(i,j,bi,bj)
     &                           * truncSurfP(i,j,bi,bj)
             aim_lst1(i,j,bi,bj) = aim_lst1(i,j,bi,bj)
     &                           * truncSurfP(i,j,bi,bj)
           ENDDO
          ENDDO

C-     end bi,bj loops
         ENDDO
        ENDDO

C--    endif load new data.
       ENDIF

      ENDIF

#endif /* ALLOW_AIM */

      RETURN
      END
1	jmc	1.6	C $Header: /u/gcmpack/MITgcm/pkg/aim_v23/aim_fields_load.F,v 1.5 2006/08/08 03:16:11 jmc Exp $
2	jmc	1.1	C $Name: $
3
4			#include "AIM_OPTIONS.h"
5	jmc	1.5
6	jmc	1.1	CStartOfInterface
7	jmc	1.5	SUBROUTINE AIM_FIELDS_LOAD(
8			I myTime, myIter, myThid )
9	jmc	1.1	C ==========================================================
10			C \| SUBROUTINE AIM_FIELDS_LOAD
11			C \| o Control reading of AIM fields from external source.
12			C ==========================================================
13			C \| Loads surface 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 either for
17	jmc	1.5	C \| a) a direct use (useMMsurfFc):
18	jmc	1.1	C \| Albedo, Soil moisture, Surface Temperature
19			C \| b) time interpolation (useFMsurfBC):
20			C \| Sea & Land surf. Temp, snow, sea-ice, soil-water (2-lev)
21			C \| + (1rst.iter) ground albedo, vegetation, land-sea fraction
22			C \| Most of the work is done by the master the thread while
23			C \| the other threads spin.
24			C ==========================================================
25			IMPLICIT NONE
26	jmc	1.5
27	jmc	1.1	C === Global variables ===
28			#include "SIZE.h"
29			#include "EEPARAMS.h"
30			#include "PARAMS.h"
31			#include "GRID.h"
32			#include "AIM_PARAMS.h"
33			c #include "AIM_GRID.h"
34			#include "AIM_FFIELDS.h"
35	jmc	1.5
36	jmc	1.1	C === Routine arguments ===
37			C myThid - Thread no. that called this routine.
38			C myTime - Simulation time
39			C myIter - Simulation timestep number
40			INTEGER myThid
41			_RL myTime
42			INTEGER myIter
43			CEndOfInterface
44	jmc	1.5
45	jmc	1.1	C === Functions ===
46
47			#ifdef ALLOW_AIM
48			C === Local variables ===
49	jmc	1.6	C bi,bj, i,j :: Loop counters
50			C tYear :: Fraction within year of myTime
51			C mnthIndex :: Current time in whole months
52	jmc	1.1	C prevMnthIndex
53	jmc	1.6	C fNam :: Strings used in constructing file names
54	jmc	1.1	C mnthNam
55	jmc	1.6	C pfact :: used to convert Pot.Temp. to in-situ Temp.
56			C loadNewData :: true when need to load new data from file
57	jmc	1.1	INTEGER bi,bj, i, j
58	jmc	1.6	INTEGER mnthIndex
59	jmc	1.1	INTEGER prevMnthIndex
60	jmc	1.5	COMMON / LOCAL_AIM_FIELDS_LOAD / prevMnthIndex
61			c DATA prevMnthIndex / 0 /
62			c SAVE prevMnthIndex
63	jmc	1.6	c _RL pfact
64			LOGICAL loadNewData
65	jmc	1.1	C-- for use with useMMsurfFc:
66			CHARACTER*(MAX_LEN_FNAM) fNam
67			CHARACTER*3 mnthNam(12)
68			DATA mnthNam /
69			& 'jan', 'feb', 'mar', 'apr', 'may', 'jun',
70			& 'jul', 'aug', 'sep', 'oct', 'nov', 'dec' /
71			SAVE mnthNam
72			C-- for use with useFMsurfBC:
73	jmc	1.6	INTEGER nm0, nm1, nm2, nm3
74			_RL t0prd, tNcyc, tmprd
75
76			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
77
78			C-- find which month to use for surface BC
79			C aim_surfForc_TimePeriod :: Length of forcing time period (e.g. 1 month)
80			C aim_surfForc_NppCycle :: Number of time period per Cycle (e.g. 12)
81			t0prd = myTime / aim_surfForc_TimePeriod
82			tNcyc = aim_surfForc_NppCycle
83
84			IF (aim_useMMsurfFc) THEN
85			C- select the current month :
86			tmprd = MOD(t0prd,tNcyc)
87			mnthIndex = 1 + INT(tmprd)
88			ELSEIF (aim_useFMsurfBC) THEN
89			tmprd = t0prd - 0.5 _d 0 + tNcyc
90			tmprd = MOD(tmprd,tNcyc)
91			C- select indices of previous month (nm0) and next month (nm1):
92			nm0 = 1 + INT(tmprd)
93			nm1 = 1 + MOD(nm0,aim_surfForc_NppCycle)
94			mnthIndex = nm0
95			ELSE
96			RETURN
97			ENDIF
98	jmc	1.1
99	jmc	1.6	C-- decide if it is time to load new data
100			IF ( myIter.EQ.nIter0 ) THEN
101			loadNewData = .TRUE.
102			ELSE
103			IF ( mnthIndex .NE. prevMnthIndex ) THEN
104			C- switch to a new time record
105			loadNewData = .TRUE.
106			ELSE
107			loadNewData = .FALSE.
108			ENDIF
109			ENDIF
110	jmc	1.5
111	jmc	1.1	IF (aim_useMMsurfFc) THEN
112			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
113			C-- Use Monthly Mean surface forcing fields:
114
115	jmc	1.6	IF ( loadNewData ) THEN
116	jmc	1.1	C- New month so load in data
117
118			C Prevent loading of new data before everyone has finished with it
119	jmc	1.5	CALL BAR2(myThid)
120	jmc	1.1
121	jmc	1.6	C- only one thread updates parameter in common block
122	jmc	1.1	_BEGIN_MASTER( myThid )
123			prevMnthIndex = mnthIndex
124	jmc	1.5	_END_MASTER( myThid )
125
126			C Master thread coordinates loading of AIM datasets
127			C note: with some I/O option (e.g.: SingleCpuIO) READ S/R contains
128			C multi-threaded tasks => let all threads call the READ S/R ;
129			C ( MASTER directives are inside S/R READ to do master-thread I/O)
130	jmc	1.1
131			C o Albedo ( convert % to fraction )
132			WRITE(fNam,'(A,A,A)' ) 'salb.',
133			& mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
134	jmc	1.6	CALL READ_REC_XY_RS( fNam, aim_albedo, 1, myIter, myThid )
135	jmc	1.1
136			C o Surface temperature ( in kelvin )
137	jmc	1.5	IF (aim_surfPotTemp) THEN
138			WRITE(fNam,'(A,A,A)' )'stheta.',
139	jmc	1.1	& mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
140	jmc	1.5	ELSE
141			WRITE(fNam,'(A,A,A)' )'sTemp.',
142	jmc	1.1	& mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
143	jmc	1.5	ENDIF
144	jmc	1.6	CALL READ_REC_XY_RS( fNam, aim_sst0, 1, myIter, myThid )
145	jmc	1.1
146	jmc	1.5	C o Soil moisture
147	jmc	1.1	WRITE(fNam,'(A,A,A)' ) 'smoist.',
148			& mnthNam(mnthIndex), aim_MMsufx(1:aim_MMsufxLength)
149	jmc	1.6	CALL READ_REC_XY_RS( fNam, aim_sw10, 1, myIter, myThid )
150	jmc	1.5
151			C Stop anyone leaving until all data is read
152			CALL BAR2(myThid)
153	jmc	1.1
154			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
155
156			C-- Converts fields for direct use in Atmos. Physics routine.
157			C better here rather than in "aim_do_atmos" since:
158			C a) change together conversion factor and input file name.
159	jmc	1.5	C b) conversion applied only 1 time / month ;
160	jmc	1.1	C c) easy to check here (variable in common).
161
162	jmc	1.5	DO bj = myByLo(myThid), myByHi(myThid)
163			DO bi = myBxLo(myThid), myBxHi(myThid)
164	jmc	1.1
165			C- Converts surface albedo : input data is in % 0-100
166	adcroft	1.2	C and Franco s package needs a fraction between 0-1
167	jmc	1.1	DO j=1,sNy
168			DO i=1,sNx
169			aim_albedo(I,J,bi,bj) = aim_albedo(I,J,bi,bj)/100.
170			ENDDO
171			ENDDO
172
173			C- Converts soil moisture (case input is in cm in bucket of depth 20cm.)
174			c DO j=1,sNy
175			c DO i=1,sNx
176	jmc	1.6	c aim_sw10(I,J,bi,bj) = aim_sw10(I,J,bi,bj)
177	jmc	1.1	c & /20.
178			c ENDDO
179			c ENDDO
180	jmc	1.5
181			C-- Correct for truncation (because of hFacMin) of surface reference
182	jmc	1.1	C pressure Ro_surf that affects Surf.Temp. :
183			DO j=1,sNy
184			DO i=1,sNx
185			c pfact = (Ro_surf(i,j,bi,bj)/atm_Po)**atm_kappa
186	jmc	1.6	aim_sst0(i,j,bi,bj) = aim_sst0(i,j,bi,bj)
187			& * truncSurfP(i,j,bi,bj)
188	jmc	1.1	ENDDO
189			ENDDO
190
191			C-- end bi,bj loops
192			ENDDO
193			ENDDO
194
195	jmc	1.5	IF (myIter.EQ.nIter0) THEN
196			CALL BAR2(myThid)
197	jmc	1.6	CALL WRITE_FLD_XY_RL( 'aim_Tsurf',' ', aim_sst0, 0, myThid )
198	jmc	1.5	ENDIF
199	jmc	1.1
200			C- endif New month - load in data
201			ENDIF
202
203			ELSEIF (aim_useFMsurfBC) THEN
204			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
205			C-- Use Franco Molteni surface BC:
206	jmc	1.5	C take part of S/R INFORC + part of S/R FORDATE (albedo)
207	jmc	1.1	C of the F.Molteni SPEEDY code (ver23)
208
209	jmc	1.5	IF ( myIter.EQ.nIter0 ) THEN
210	jmc	1.1	DO bj = myByLo(myThid), myByHi(myThid)
211	jmc	1.5	DO bi = myBxLo(myThid), myBxHi(myThid)
212	jmc	1.1	DO j=1-Oly,sNy+Oly
213			DO i=1-Olx,sNx+Olx
214	jmc	1.5	c aim_landFr(i,j,bi,bj)= 0.
215			aim_albedo(i,j,bi,bj)= 0.
216			aim_veget(i,j,bi,bj) = 0.
217	jmc	1.1	aim_sst0(i,j,bi,bj) =300.
218			aim_lst0(i,j,bi,bj) =300.
219			aim_oic0(i,j,bi,bj) = 0.
220			aim_snw0(i,j,bi,bj) = 0.
221			aim_sw10(i,j,bi,bj) = 0.
222			aim_sw20(i,j,bi,bj) = 0.
223			aim_sst1(i,j,bi,bj) =300.
224			aim_lst1(i,j,bi,bj) =300.
225			aim_oic1(i,j,bi,bj) = 0.
226			aim_snw1(i,j,bi,bj) = 0.
227			aim_sw11(i,j,bi,bj) = 0.
228			aim_sw21(i,j,bi,bj) = 0.
229			ENDDO
230			ENDDO
231			ENDDO
232			ENDDO
233			ENDIF
234
235	jmc	1.6	IF ( loadNewData ) THEN
236	jmc	1.1	C- Load new data:
237
238	jmc	1.5	C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
239	jmc	1.1	C Prevent loading of new data before everyone has finished with it
240	jmc	1.5	CALL BAR2(myThid)
241
242	jmc	1.6	C- only one thread updates parameter in common block
243	jmc	1.5	_BEGIN_MASTER( myThid )
244	jmc	1.6	prevMnthIndex = mnthIndex
245	jmc	1.5	_END_MASTER( myThid )
246	jmc	1.1
247			C Master thread coordinates loading of AIM datasets
248	jmc	1.5	C note: with some I/O option (e.g.: SingleCpuIO) READ S/R contains
249			C multi-threaded tasks => let all threads call the READ S/R ;
250			C ( MASTER directives are inside S/R READ to do master-thread I/O)
251	jmc	1.1
252	jmc	1.5	IF ( myIter.EQ.nIter0 ) THEN
253			C- Load Fixed Forcing only at the 1rst iter:
254	jmc	1.1
255	jmc	1.5	c IF ( aim_LandFile .NE. ' ' ) THEN
256	jmc	1.3	c CALL READ_REC_XY_RS(aim_LandFile,aim_landFr,1,myIter,myThid)
257			c ENDIF
258	jmc	1.5	IF ( aim_albFile .NE. ' ' ) THEN
259	jmc	1.1	CALL READ_REC_XY_RS(aim_albFile,aim_albedo, 1,myIter,myThid)
260			ENDIF
261			c alb0(i,j) = 0.01*r4inp(i,j)
262	jmc	1.5	IF ( aim_vegFile .NE. ' ' ) THEN
263	jmc	1.1	CALL READ_REC_XY_RS(aim_vegFile,aim_veget,1,myIter,myThid)
264			ENDIF
265
266	jmc	1.5	C- endif 1rst iter.
267	jmc	1.1	ENDIF
268
269	jmc	1.5	IF ( aim_sstFile .NE. ' ' ) THEN
270	jmc	1.1	CALL READ_REC_XY_RS(aim_sstFile,aim_sst0,nm0,myIter,myThid)
271			CALL READ_REC_XY_RS(aim_sstFile,aim_sst1,nm1,myIter,myThid)
272	jmc	1.5	ENDIF
273			IF ( aim_lstFile .NE. ' ' ) THEN
274	jmc	1.1	CALL READ_REC_XY_RS(aim_lstFile,aim_lst0,nm0,myIter,myThid)
275			CALL READ_REC_XY_RS(aim_lstFile,aim_lst1,nm1,myIter,myThid)
276	jmc	1.5	ENDIF
277			IF ( aim_oiceFile .NE. ' ' ) THEN
278	jmc	1.1	CALL READ_REC_XY_RS(aim_oiceFile,aim_oic0,nm0,myIter,myThid)
279			CALL READ_REC_XY_RS(aim_oiceFile,aim_oic1,nm1,myIter,myThid)
280	jmc	1.5	ENDIF
281			IF ( aim_snowFile .NE. ' ' ) THEN
282	jmc	1.1	CALL READ_REC_XY_RS(aim_snowFile,aim_snw0,nm0,myIter,myThid)
283			CALL READ_REC_XY_RS(aim_snowFile,aim_snw1,nm1,myIter,myThid)
284	jmc	1.5	ENDIF
285			IF ( aim_swcFile .NE. ' ' ) THEN
286	jmc	1.1	CALL READ_REC_XY_RS(aim_swcFile,aim_sw10,nm0,myIter,myThid)
287			CALL READ_REC_XY_RS(aim_swcFile,aim_sw11,nm1,myIter,myThid)
288			nm2 = nm0 + aim_surfForc_NppCycle
289			nm3 = nm1 + aim_surfForc_NppCycle
290			CALL READ_REC_XY_RS(aim_swcFile,aim_sw20,nm2,myIter,myThid)
291			CALL READ_REC_XY_RS(aim_swcFile,aim_sw21,nm3,myIter,myThid)
292	jmc	1.5	ENDIF
293
294			C Stop anyone leaving until all data is read
295			CALL BAR2(myThid)
296	jmc	1.1
297			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
298
299	jmc	1.5	DO bj = myByLo(myThid), myByHi(myThid)
300			DO bi = myBxLo(myThid), myBxHi(myThid)
301
302			IF ( myIter.EQ.nIter0 ) THEN
303			C- Converts surface albedo : from % (input data) to a fraction [0-1}
304			c alb0(i,j) = 0.01*r4inp(i,j)
305			DO j=1,sNy
306			DO i=1,sNx
307			aim_albedo(i,j,bi,bj) = aim_albedo(I,J,bi,bj)/100. _d 0
308			ENDDO
309			ENDDO
310	jmc	1.1
311	jmc	1.5	C- Converts vegetation fraction: from % (input data) to a fraction [0-1]
312			c veg(i,j)=max(0.,0.01*veg(i,j))
313	jmc	1.1	DO j=1,sNy
314			DO i=1,sNx
315	jmc	1.5	aim_veget(i,j,bi,bj) =
316			& MAX(0. _d 0, aim_veget(i,j,bi,bj)/100. _d 0)
317			ENDDO
318			ENDDO
319			C- endif 1rst iter.
320			ENDIF
321
322			C-- Correct for truncation (because of hFacMin) of surface reference
323			C pressure Ro_surf that affects Surf.Temp. :
324			DO j=1,sNy
325			DO i=1,sNx
326	jmc	1.1	c pfact = (Ro_surf(i,j,bi,bj)/atm_Po)**atm_kappa
327			aim_lst0(i,j,bi,bj) = aim_lst0(i,j,bi,bj)
328	jmc	1.6	& * truncSurfP(i,j,bi,bj)
329	jmc	1.1	aim_lst1(i,j,bi,bj) = aim_lst1(i,j,bi,bj)
330	jmc	1.6	& * truncSurfP(i,j,bi,bj)
331	jmc	1.1	ENDDO
332			ENDDO
333	jmc	1.5
334			C- end bi,bj loops
335	jmc	1.1	ENDDO
336	jmc	1.5	ENDDO
337	jmc	1.1
338	jmc	1.5	C-- endif load new data.
339	jmc	1.1	ENDIF
340
341			ENDIF
342
343			#endif /* ALLOW_AIM */
344
345	jmc	1.5	RETURN
346	jmc	1.1	END