Changeset 3896 for branches/2013/dev_r3858_NOC_ZTC/NEMOGCM/NEMO/LIM_SRC_2

Timestamp:

2013-05-02T14:40:43+02:00 (11 years ago)

Author:

acc

Message:

Branch 2013/dev_r3858_NOC_ZTC, #863. Fix to dynvor.F90 to remove instability when using the EEN vorticity scheme with z-tilde. Also cosmetic changes and better initial settings for zstar/ztilde when using full ice embedding

File:

• branches/2013/dev_r3858_NOC_ZTC/NEMOGCM/NEMO/LIM_SRC_2/limsbc_2.F90 (modified) (4 diffs)

branches/2013/dev_r3858_NOC_ZTC/NEMOGCM/NEMO/LIM_SRC_2/limsbc_2.F90

@@ -24 +24 @@
    USE phycst           ! physical constants
    USE dom_oce          ! ocean domain
+   USE domvvl           ! ocean vertical scale factors
    USE dom_ice_2        ! LIM-2: ice domain
    USE ice_2            ! LIM-2: ice variables
@@ -59 +60 @@
    !! * Substitutions
 #  include "vectopt_loop_substitute.h90"
+#  include "domzgr_substitute.h90"
    !!----------------------------------------------------------------------
    !! NEMO/LIM2 4.0 , UCL - NEMO Consortium (2011)
@@ -444 +446 @@
       !!-------------------------------------------------------------------
       !
+      INTEGER :: jk           ! local integer
+      !
       IF(lwp) WRITE(numout,*)
       IF(lwp) WRITE(numout,*) 'lim_sbc_init_2 : LIM-2 sea-ice - surface boundary condition'
@@ -475 +479 @@
          sshn(:,:) = sshn(:,:) - snwice_mass(:,:) * r1_rau0
          sshb(:,:) = sshb(:,:) - snwice_mass(:,:) * r1_rau0
+         do jk = 1,jpkm1                     ! adjust initial vertical scale factors
+          fse3t_n(:,:,jk) = e3t_0(:,:,jk)*( 1._wp + sshn(:,:)*tmask(:,:,1)/(ht_0(:,:) + 1.0 - tmask(:,:,1)) )
+          fse3t_b(:,:,jk) = e3t_0(:,:,jk)*( 1._wp + sshb(:,:)*tmask(:,:,1)/(ht_0(:,:) + 1.0 - tmask(:,:,1)) )
+         end do
+         fse3t_a(:,:,:) = fse3t_b(:,:,:)
+         ! Reconstruction of all vertical scale factors at now and before time steps
+         ! =============================================================================
+         ! Horizontal scale factor interpolations
+         ! --------------------------------------
+         CALL dom_vvl_interpol( fse3t_b(:,:,:), fse3u_b(:,:,:), 'U' )
+         CALL dom_vvl_interpol( fse3t_b(:,:,:), fse3v_b(:,:,:), 'V' )
+         CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3u_n(:,:,:), 'U' )
+         CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3v_n(:,:,:), 'V' )
+         CALL dom_vvl_interpol( fse3u_n(:,:,:), fse3f_n(:,:,:), 'F' )
+         ! Vertical scale factor interpolations
+         ! ------------------------------------
+         CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3w_n (:,:,:), 'W'  )
+         CALL dom_vvl_interpol( fse3u_n(:,:,:), fse3uw_n(:,:,:), 'UW' )
+         CALL dom_vvl_interpol( fse3v_n(:,:,:), fse3vw_n(:,:,:), 'VW' )
+         CALL dom_vvl_interpol( fse3u_b(:,:,:), fse3uw_b(:,:,:), 'UW' )
+         CALL dom_vvl_interpol( fse3v_b(:,:,:), fse3vw_b(:,:,:), 'VW' )
+         ! t- and w- points depth
+         ! ----------------------
+         fsdept_n(:,:,1) = 0.5_wp * fse3w_n(:,:,1)
+         fsdepw_n(:,:,1) = 0.0_wp
+         fsde3w_n(:,:,1) = fsdept_n(:,:,1) - sshn(:,:)
+         DO jk = 2, jpk
+            fsdept_n(:,:,jk) = fsdept_n(:,:,jk-1) + fse3w_n(:,:,jk)
+            fsdepw_n(:,:,jk) = fsdepw_n(:,:,jk-1) + fse3t_n(:,:,jk-1)
+            fsde3w_n(:,:,jk) = fsdept_n(:,:,jk  ) - sshn   (:,:)
+         END DO
       ENDIF
       !