--- MITgcm/pkg/dic/dic_surfforcing.F	2004/08/06 19:50:52	1.8
+++ MITgcm/pkg/dic/dic_surfforcing.F	2006/09/12 19:58:02	1.11
@@ -1,4 +1,4 @@
-C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/dic/dic_surfforcing.F,v 1.8 2004/08/06 19:50:52 stephd Exp $
+C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/dic/dic_surfforcing.F,v 1.11 2006/09/12 19:58:02 stephd Exp $
 C $Name:  $
 
 #include "DIC_OPTIONS.h"
@@ -75,8 +75,8 @@
 
 C =================================================================
 C determine inorganic carbon chem coefficients
-        DO j=1-OLy,sNy+OLy
-         DO i=1-OLx,sNx+OLx
+        DO j=jmin,jmax
+         DO i=imin,imax
 
 #ifdef DIC_BIOTIC
 cQQQQ check ptracer numbers
@@ -101,9 +101,9 @@
 
 c pCO2 solver...
 C$TAF LOOP = parallel
-       DO j=1-OLy,sNy+OLy
+       DO j=jmin,jmax
 C$TAF LOOP = parallel
-        DO i=1-OLx,sNx+OLx
+        DO i=imin,imax
 
           IF(maskC(i,j,kLev,bi,bj) .NE. 0.)THEN
             CALL CALC_PCO2_APPROX(
@@ -122,8 +122,8 @@
         ENDDO
        ENDDO
 
-       DO j=1-OLy,sNy+OLy
-        DO i=1-OLx,sNx+OLx
+       DO j=jmin,jmax
+        DO i=imin,imax
 
             IF (maskC(i,j,kLev,bi,bj).NE.0.) THEN
 C calculate SCHMIDT NO. for CO2
@@ -140,13 +140,14 @@
      &          AtmosP(i,j,bi,bj)*AtmospCO2(i,j,bi,bj)
 c find exchange coefficient
 c  account for schmidt number and and varible piston velocity
+              pisvel(i,j,bi,bj)  =0.337*wind(i,j,bi,bj)**2/3.6d5
               Kwexch(i,j) =
      &             pisvel(i,j,bi,bj)
      &             / sqrt(SchmidtNoDIC(i,j)/660.0)
 c OR use a constant  coeff
 c             Kwexch(i,j) = 5e-5
 c ice influence
-cQQ           Kwexch(i,j)  =(1.d0-Fice(i,j,bi,bj))*Kwexch(i,j)
+              Kwexch(i,j)  =(1.d0-Fice(i,j,bi,bj))*Kwexch(i,j)
 
 
 C Calculate flux in terms of DIC units using K0, solubility
@@ -184,9 +185,10 @@
          ENDDO
 
 C update tendency      
-         DO j=1-OLy,sNy+OLy
-          DO i=1-OLx,sNx+OLx
-           GDC(i,j)= maskC(i,j,kLev,bi,bj)*recip_drF(kLev)*(
+         DO j=jmin,jmax
+          DO i=imin,imax
+           GDC(i,j)= maskC(i,j,kLev,bi,bj)*recip_drF(kLev)*
+     &                     recip_hFacC(i,j,kLev,bi,bj)*(
      &                    FluxCO2(i,j,bi,bj) + VirtualFlux(i,j)
      &                                              )
           ENDDO