Changeset 13200 for NEMO/branches/2019/dev_r11708_aumont_PISCES_QUOTA/src/TOP/PISCES/P4Z/p4zfechem.F90

Timestamp:

2020-07-02T08:58:10+02:00 (4 years ago)

Author:

aumont

Message:

minor bug fixes for calcite production and diagnostics

File:

• NEMO/branches/2019/dev_r11708_aumont_PISCES_QUOTA/src/TOP/PISCES/P4Z/p4zfechem.F90 (modified) (8 diffs)

NEMO/branches/2019/dev_r11708_aumont_PISCES_QUOTA/src/TOP/PISCES/P4Z/p4zfechem.F90

@@ -51 +51 @@
       INTEGER  ::   ji, jj, jk, jic, jn
       REAL(wp) ::   zdep, zlam1a, zlam1b, zlamfac
-      REAL(wp) ::   zkeq, zfeequi, zfesatur, zfecoll, fe3sol
-      REAL(wp) ::   zdenom1, zscave, zaggdfea, zaggdfeb, zcoag
-      REAL(wp) ::   ztrc, zdust
-      REAL(wp) ::   zdenom2
-      REAL(wp) ::   zzFeL1, zzFeL2, zzFe2, zzFeP, zzFe3, zzstrn2
-      REAL(wp) ::   zrum, zcodel, zargu, zlight
-      REAL(wp) ::   zkox, zkph1, zkph2, zph, zionic, ztligand
-      REAL(wp) ::   za, zb, zc, zkappa1, zkappa2, za0, za1, za2
-      REAL(wp) ::   zxs, zfunc, zp, zq, zd, zr, zphi, zfff, zp3, zq2
-      REAL(wp) ::   ztfe, zoxy, zhplus, zxlam
-      REAL(wp) ::   zaggliga, zaggligb
-      REAL(wp) ::   dissol, zligco
-      REAL(wp) :: zrfact2
+      REAL(wp) ::   zkeq, zfeequi, zfesatur, zfecoll, fe3sol, zligco
+      REAL(wp) ::   zdenom1, zscave, zaggdfea, zaggdfeb, zcoag, ztrc, zdust
+      REAL(wp) ::   zdenom2, ztfe, zhplus, zxlam, zaggliga, zaggligb
+      REAL(wp) ::   zrfact2
       CHARACTER (len=25) :: charout
       REAL(wp), DIMENSION(jpi,jpj,jpk) ::   zTL1, zFe3, ztotlig, precip, zFeL1
@@ -71 +62 @@
       IF( ln_timing )   CALL timing_start('p4z_fechem')
       !
-      zFe3 (:,:,:) = 0.
-      zFeL1(:,:,:) = 0.
+      zFe3 (:,:,:) = 0.   ;   zFeL1(:,:,:) = 0.
       zTL1 (:,:,:) = 0.
 
@@ -124 +114 @@
                !
                zfeequi = zFe3(ji,jj,jk) * 1E-9
-               zhplus  = max( rtrn, hi(ji,jj,jk) )
-               fe3sol  = fesol(ji,jj,jk,1) * ( zhplus**3 + fesol(ji,jj,jk,2) * zhplus**2  &
-                  &         + fesol(ji,jj,jk,3) * zhplus + fesol(ji,jj,jk,4)     &
-                  &         + fesol(ji,jj,jk,5) / zhplus )
                zfecoll = 0.5 * zFeL1(ji,jj,jk) * 1E-9
                ! precipitation of Fe3+, creation of nanoparticles
@@ -133 +119 @@
                !
                ztrc   = ( trb(ji,jj,jk,jppoc) + trb(ji,jj,jk,jpgoc) + trb(ji,jj,jk,jpcal) + trb(ji,jj,jk,jpgsi) ) * 1.e6 
-               IF( ln_dust )  zdust  = dust(ji,jj) / ( wdust / rday ) * tmask(ji,jj,jk) &
-               &  * EXP( -gdept_n(ji,jj,jk) / 540. )
+               IF( ln_dust )  zdust  = dust(ji,jj) / ( wdust / rday ) * tmask(ji,jj,jk)
                IF (ln_ligand) THEN
                   zxlam  = xlam1 * MAX( 1.E-3, EXP(-2 * etot(ji,jj,jk) / 10. ) * (1. - EXP(-2 * trb(ji,jj,jk,jpoxy) / 100.E-6 ) ))
@@ -149 +134 @@
                zdenom2 = zxlam * trb(ji,jj,jk,jpgoc) / zlam1b
 
-               !  Increased scavenging for very high iron concentrations found near the coasts 
-               !  due to increased lithogenic particles and let say it is unknown processes (precipitation, ...)
+               ! Increased scavenging for very high iron concentrations found near the coasts 
+               ! due to increased lithogenic particles and let say it is unknown processes (precipitation, ...)
                !  -----------------------------------------------------------
                zlamfac = MAX( 0.e0, ( gphit(ji,jj) + 55.) / 30. )
@@ -157 +142 @@
                zcoag   = 1E-4 * ( 1. - zlamfac ) * zdep * xstep * trb(ji,jj,jk,jpfer)
 
-               !  Compute the coagulation of colloidal iron. This parameterization 
-               !  could be thought as an equivalent of colloidal pumping.
-               !  It requires certainly some more work as it is very poorly constrained.
-               !  ----------------------------------------------------------------
+               ! Compute the coagulation of colloidal iron. This parameterization 
+               ! could be thought as an equivalent of colloidal pumping.
+               ! It requires certainly some more work as it is very poorly constrained.
+               ! ----------------------------------------------------------------
                zlam1a   = ( 0.369  * 0.3 * trb(ji,jj,jk,jpdoc) + 102.4  * trb(ji,jj,jk,jppoc) ) * xdiss(ji,jj,jk)    &
-                   &      + ( 114.   * 0.3 * trb(ji,jj,jk,jpdoc) )
+                   &    + ( 114.   * 0.3 * trb(ji,jj,jk,jpdoc) )
                zaggdfea = zlam1a * xstep * zfecoll
                !
@@ -188 +173 @@
             DO jj = 1, jpj
                DO ji = 1, jpi
+
+                  ! Coagulation of ligands due to various processes (Brownian, shear, diff. sedimentation
+                  ! Coefficients are taken from the p4zagg
+                  ! -------------------------------------------------------------------------------------
                   zlam1a   = ( 0.369  * 0.3 * trb(ji,jj,jk,jpdoc) + 102.4  * trb(ji,jj,jk,jppoc) ) * xdiss(ji,jj,jk)    &
                       &    + ( 114.   * 0.3 * trb(ji,jj,jk,jpdoc) )
                   !
                   zlam1b   = 3.53E3 *   trb(ji,jj,jk,jpgoc) * xdiss(ji,jj,jk)
+
+                  ! 50% of the ligands are supposed to be in the colloidal size fraction
                   zligco   = 0.5 * trn(ji,jj,jk,jplgw)
                   zaggliga = zlam1a * xstep * zligco
@@ -206 +197 @@
       !  Output of some diagnostics variables
       !     ---------------------------------
-      IF( lk_iomput ) THEN
-         IF( knt == nrdttrc ) THEN
-            zrfact2 = 1.e3 * rfact2r  ! conversion from mol/L/timestep into mol/m3/s
-            IF( iom_use("Fe3")    )  CALL iom_put("Fe3"    , zFe3   (:,:,:)       * tmask(:,:,:) )   ! Fe3+
-            IF( iom_use("FeL1")   )  CALL iom_put("FeL1"   , zFeL1  (:,:,:)       * tmask(:,:,:) )   ! FeL1
-            IF( iom_use("TL1")    )  CALL iom_put("TL1"    , zTL1   (:,:,:)       * tmask(:,:,:) )   ! TL1
-            IF( iom_use("Totlig") )  CALL iom_put("Totlig" , ztotlig(:,:,:)       * tmask(:,:,:) )   ! TL
-            IF( iom_use("Biron")  )  CALL iom_put("Biron"  , biron  (:,:,:)  * 1e9 * tmask(:,:,:) )   ! biron
-            IF( iom_use("FESCAV") )  CALL iom_put("FESCAV" , zscav3d(:,:,:)  * 1e9 * tmask(:,:,:) * zrfact2 )
-            IF( iom_use("FECOLL") )  CALL iom_put("FECOLL" , zcoll3d(:,:,:)  * 1e9 * tmask(:,:,:) * zrfact2 )
-            IF( iom_use("LGWCOLL"))  CALL iom_put("LGWCOLL", zlcoll3d(:,:,:) * 1e9 * tmask(:,:,:) * zrfact2 )
-         ENDIF
+      IF( lk_iomput .AND. knt == nrdttrc ) THEN
+         zrfact2 = 1.e3 * rfact2r  ! conversion from mol/L/timestep into mol/m3/s
+         IF( iom_use("Fe3")    )  CALL iom_put("Fe3"    , zFe3   (:,:,:)       * tmask(:,:,:) )   ! Fe3+
+         IF( iom_use("FeL1")   )  CALL iom_put("FeL1"   , zFeL1  (:,:,:)       * tmask(:,:,:) )   ! FeL1
+         IF( iom_use("TL1")    )  CALL iom_put("TL1"    , zTL1   (:,:,:)       * tmask(:,:,:) )   ! TL1
+         IF( iom_use("Totlig") )  CALL iom_put("Totlig" , ztotlig(:,:,:)       * tmask(:,:,:) )   ! TL
+         IF( iom_use("Biron")  )  CALL iom_put("Biron"  , biron  (:,:,:)  * 1e9 * tmask(:,:,:) )   ! biron
+         IF( iom_use("FESCAV") )  CALL iom_put("FESCAV" , zscav3d(:,:,:)  * 1e9 * tmask(:,:,:) * zrfact2 )
+         IF( iom_use("FECOLL") )  CALL iom_put("FECOLL" , zcoll3d(:,:,:)  * 1e9 * tmask(:,:,:) * zrfact2 )
+         IF( iom_use("LGWCOLL"))  CALL iom_put("LGWCOLL", zlcoll3d(:,:,:) * 1e9 * tmask(:,:,:) * zrfact2 )
       ENDIF