Changeset 4077 for branches/2013/dev_r3940_CNRS4_IOCRS/NEMOGCM/NEMO/TOP_SRC/PISCES/P4Z/p4zsms.F90

Timestamp:

2013-10-18T11:23:22+02:00 (11 years ago)

Author:

cetlod

Message:

2013/dev_r3940_CNRS4_IOCRS : minor improvment

File:

• branches/2013/dev_r3940_CNRS4_IOCRS/NEMOGCM/NEMO/TOP_SRC/PISCES/P4Z/p4zsms.F90 (modified) (3 diffs)

branches/2013/dev_r3940_CNRS4_IOCRS/NEMOGCM/NEMO/TOP_SRC/PISCES/P4Z/p4zsms.F90

@@ -76 +76 @@
       ENDIF
       !
-      IF( ln_rsttr .AND. kt == nittrc000 )                         CALL p4z_rst( nittrc000, 'READ' )  !* read or initialize all required fields 
+      IF( kt == nittrc000 ) THEN
+        !
+        CALL p4z_che                              ! initialize the chemical constants
+        !
+        IF( .NOT. ln_rsttr ) THEN  ;   CALL p4z_ph_ini   !  set PH at kt=nit000 
+        ELSE                       ;   CALL p4z_rst( nittrc000, 'READ' )  !* read or initialize all required fields 
+        ENDIF
+        !
+      ENDIF
+      !
       IF( ln_pisdmp .AND. MOD( kt - nn_dttrc, nn_pisdmp ) == 0 )   CALL p4z_dmp( kt )      ! Relaxation of some tracers
       !
@@ -236 +245 @@
       ENDIF
 
-   END SUBROUTINE p4z_sms_init
+   END SUBROUTINE p4z_sms_inita
+
+   SUBROUTINE p4z_ph_ini
+      !!---------------------------------------------------------------------
+      !!                   ***  ROUTINE p4z_ini_ph  ***
+      !!
+      !!  ** Purpose : Initialization of chemical variables of the carbon cycle
+      !!---------------------------------------------------------------------
+      INTEGER  ::  ji, jj, jk
+      REAL(wp) ::  zcaralk, zbicarb, zco3
+      REAL(wp) ::  ztmas, ztmas1
+      !!---------------------------------------------------------------------
+
+      ! Set PH from  total alkalinity, borat (???), akb3 (???) and ak23 (???)
+      ! --------------------------------------------------------
+      DO jk = 1, jpk
+         DO jj = 1, jpj
+            DO ji = 1, jpi
+               ztmas   = tmask(ji,jj,jk)
+               ztmas1  = 1. - tmask(ji,jj,jk)
+               zcaralk = trn(ji,jj,jk,jptal) - borat(ji,jj,jk) / (  1. + 1.E-8 / ( rtrn + akb3(ji,jj,jk) )  )
+               zco3    = ( zcaralk - trn(ji,jj,jk,jpdic) ) * ztmas + 0.5e-3 * ztmas1
+               zbicarb = ( 2. * trn(ji,jj,jk,jpdic) - zcaralk )
+               hi(ji,jj,jk) = ( ak23(ji,jj,jk) * zbicarb / zco3 ) * ztmas + 1.e-9 * ztmas1
+            END DO
+         END DO
+     END DO
+     !
+   END SUBROUTINE p4z_ph_ini
+
 
    SUBROUTINE p4z_rst( kt, cdrw )
@@ -266 +304 @@
          ELSE
 !            hi(:,:,:) = 1.e-9 
-            ! Set PH from  total alkalinity, borat (???), akb3 (???) and ak23 (???)
-            ! --------------------------------------------------------
-            DO jk = 1, jpk
-               DO jj = 1, jpj
-                  DO ji = 1, jpi
-                     ztmas   = tmask(ji,jj,jk)
-                     ztmas1  = 1. - tmask(ji,jj,jk)
-                     zcaralk = trn(ji,jj,jk,jptal) - borat(ji,jj,jk) / (  1. + 1.E-8 / ( rtrn + akb3(ji,jj,jk) )  )
-                     zco3    = ( zcaralk - trn(ji,jj,jk,jpdic) ) * ztmas + 0.5e-3 * ztmas1
-                     zbicarb = ( 2. * trn(ji,jj,jk,jpdic) - zcaralk )
-                     hi(ji,jj,jk) = ( ak23(ji,jj,jk) * zbicarb / zco3 ) * ztmas + 1.e-9 * ztmas1
-                  END DO
-               END DO
-            END DO
+           CALL p4z_ph_ini
          ENDIF
          CALL iom_get( numrtr, jpdom_autoglo, 'Silicalim', xksi(:,:) )