diff --git a/src/OCE/DYN/dynspg_ts.F90 b/src/OCE/DYN/dynspg_ts.F90
index b47a85a75180195e708ac3ca4cd204251f155ca5..efef39e95c09970d56834ae2addb1f5710069354 100644
--- a/src/OCE/DYN/dynspg_ts.F90
+++ b/src/OCE/DYN/dynspg_ts.F90
@@ -349,9 +349,9 @@ CONTAINS
END_2D
ENDIF
!
- ! !----------------!
- ! !== sssh_frc ==! Right-Hand-Side of the barotropic ssh equation (over the FULL domain)
- ! !----------------!
+ ! !---------------!
+ ! !== ssh_frc ==! Right-Hand-Side of the barotropic ssh equation (over the FULL domain)
+ ! !---------------!
! != Net water flux forcing applied to a water column =!
! ! --------------------------------------------------- !
IF (ln_bt_fw) THEN ! FORWARD integration: use kt+1/2 fluxes (NOW+1/2)
@@ -424,7 +424,8 @@ CONTAINS
zhtp2_e(:,:) = ht_0(:,:)
ENDIF
!
- IF( ln_bt_fw ) THEN ! FORWARD integration: start from NOW fields
+ IF( ln_bt_fw ) THEN ! FORWARD integration: start from NOW fields
+ ! ! RK3: Kmm = Kbb when calling dynspg_ts
sshn_e(:,:) = pssh (:,:,Kmm)
un_e (:,:) = puu_b(:,:,Kmm)
vn_e (:,:) = pvv_b(:,:,Kmm)
@@ -821,10 +822,6 @@ CONTAINS
!
ENDIF
!
- ! advective transport from N to N+1 (i.e. Kbb to Kaa)
- ub2_b(:,:) = un_adv(:,:) ! Save integrated transport for next computation (NOT USED)
- vb2_b(:,:) = vn_adv(:,:)
- !
IF( iom_use("ubar") ) THEN ! RK3 single first: hu[N+1/2] = 1/2 ( hu[N] + hu[N+1] )
ALLOCATE( z2d(jpi,jpj) )
z2d(:,:) = 2._wp / ( hu_e(:,:) + hu(:,:,Kbb) + 1._wp - ssumask(:,:) )
@@ -933,6 +930,12 @@ CONTAINS
!
#if defined key_agrif
+# if defined key_RK3
+ ! advective transport from N to N+1 (i.e. Kbb to Kaa)
+ ub2_b(:,:) = un_adv(:,:) ! Save integrated transport for AGRIF
+ vb2_b(:,:) = vn_adv(:,:)
+# endif
+ !
! Save time integrated fluxes during child grid integration
! (used to update coarse grid transports at next time step)
!
@@ -946,9 +949,11 @@ CONTAINS
ub2_i_b(:,:) = ub2_i_b(:,:) + za1 * ub2_b(:,:)
vb2_i_b(:,:) = vb2_i_b(:,:) + za1 * vb2_b(:,:)
ENDIF
-#endif
- ! !* write time-spliting arrays in the restart
- IF( lrst_oce .AND.ln_bt_fw ) CALL ts_rst( kt, 'WRITE' )
+#endif
+#if ! defined key_RK3
+ ! !* MLF: write time-spliting arrays in the restart
+ IF( lrst_oce .AND.ln_bt_fw ) CALL ts_rst_MLF( kt, 'WRITE' )
+#endif
!
IF( ln_wd_il ) DEALLOCATE( zcpx, zcpy )
IF( ln_wd_dl ) DEALLOCATE( ztwdmask, zuwdmask, zvwdmask, zuwdav2, zvwdav2 )
@@ -1037,9 +1042,9 @@ CONTAINS
END SUBROUTINE ts_wgt
- SUBROUTINE ts_rst( kt, cdrw )
+ SUBROUTINE ts_rst_MLF( kt, cdrw )
!!---------------------------------------------------------------------
- !! *** ROUTINE ts_rst ***
+ !! *** ROUTINE ts_rst_MLF ***
!!
!! ** Purpose : Read or write time-splitting arrays in restart file
!!----------------------------------------------------------------------
@@ -1071,12 +1076,14 @@ CONTAINS
ub2_i_b(:,:) = 0._wp ; vb2_i_b(:,:) = 0._wp ! used in the 1st update of agrif
ENDIF
#endif
- ELSE !* Start from rest
+ ELSE
+ ! !* Start from rest or use RK3 time-step
IF(lwp) WRITE(numout,*)
IF(lwp) WRITE(numout,*) ' ==>>> start from rest: set barotropic values to 0'
ub2_b (:,:) = 0._wp ; vb2_b (:,:) = 0._wp ! used in the 1st interpol of agrif
un_adv (:,:) = 0._wp ; vn_adv (:,:) = 0._wp ! used in the 1st interpol of agrif
un_bf (:,:) = 0._wp ; vn_bf (:,:) = 0._wp ! used in the 1st update of agrif
+
#if defined key_agrif
ub2_i_b(:,:) = 0._wp ; vb2_i_b(:,:) = 0._wp ! used in the 1st update of agrif
#endif
@@ -1084,7 +1091,7 @@ CONTAINS
!
ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN ! Create restart file
! ! -------------------
- IF(lwp) WRITE(numout,*) '---- ts_rst ----'
+ IF(lwp) WRITE(numout,*) '---- ts_rst_MLF ----'
CALL iom_rstput( kt, nitrst, numrow, 'ub2_b' , ub2_b (:,:) )
CALL iom_rstput( kt, nitrst, numrow, 'vb2_b' , vb2_b (:,:) )
CALL iom_rstput( kt, nitrst, numrow, 'un_bf' , un_bf (:,:) )
@@ -1107,7 +1114,7 @@ CONTAINS
#endif
ENDIF
!
- END SUBROUTINE ts_rst
+ END SUBROUTINE ts_rst_MLF
SUBROUTINE dyn_spg_ts_init
@@ -1193,8 +1200,20 @@ CONTAINS
! ! Allocate time-splitting arrays
IF( dyn_spg_ts_alloc() /= 0 ) CALL ctl_stop('STOP', 'dyn_spg_init: failed to allocate dynspg_ts arrays' )
!
- ! ! read restart when needed
- CALL ts_rst( nit000, 'READ' )
+#if defined key_RK3
+ ! !* RK3: no restart
+# if defined key_agrif
+ IF(lwp) WRITE(numout,*)
+ IF(lwp) WRITE(numout,*) ' ==>>> RK3: set barotropic values to 0'
+ ub2_b (:,:) = 0._wp ; vb2_b (:,:) = 0._wp ! used in the 1st interpol of agrif
+ un_adv (:,:) = 0._wp ; vn_adv (:,:) = 0._wp ! used in the 1st interpol of agrif
+ un_bf (:,:) = 0._wp ; vn_bf (:,:) = 0._wp ! used in the 1st update of agrif
+# endif
+#else
+ ! !* MLF: restart/initialise
+ !
+ CALL ts_rst_MLF( nit000, 'READ' )
+#endif
!
END SUBROUTINE dyn_spg_ts_init
diff --git a/src/OCE/IOM/restart.F90 b/src/OCE/IOM/restart.F90
index 0d93b82161646d13fc5cce25afdf8b311f7c4e05..01fcd453e55c2b305e18c1464d96518020bbbb36 100644
--- a/src/OCE/IOM/restart.F90
+++ b/src/OCE/IOM/restart.F90
@@ -174,7 +174,6 @@ CONTAINS
#if defined key_RK3
CALL iom_rstput( kt, nitrst, numrow, 'uu_b' , uu_b(:,: ,Kbb) ) ! before fields
CALL iom_rstput( kt, nitrst, numrow, 'vv_b' , vv_b(:,: ,Kbb) ) ! before fields
-!!st-10/03 CALL iom_rstput( kt, nitrst, numrow, 'ssha ' , ssh(:,: ,Kaa) ) ! after field post swap (n-1)
#else
CALL iom_rstput( kt, nitrst, numrow, 'sshn', ssh(:,: ,Kmm) ) ! now fields : n
CALL iom_rstput( kt, nitrst, numrow, 'un' , uu(:,:,: ,Kmm) )
@@ -380,8 +379,6 @@ CONTAINS
! !* RK3: Set ssh at Kmm for AGRIF
ssh(:,:,Kmm) = ssh(:,:,Kbb)
!
-!!st-10/03 ! !* RK3: Set ssh at Kaa (n-1) for ww computation
-!!st CALL iom_get( numror, jpdom_auto, 'ssha' , ssh(:,:,Kaa) )
#else
! !* MLF: Read ssh at Kmm
IF(lwp) WRITE(numout,*)
@@ -438,15 +435,9 @@ CONTAINS
ssh(:,:,Kmm) = ssh(:,:,Kbb) !* set now values from to before ones
ENDIF
!
-#if defined key_RK3
- IF(.NOT. ln_rstart ) THEN
-#endif
! !==========================!
ssh(:,:,Kaa) = 0._wp !== Set to 0 for AGRIF ==!
! !==========================!
-#if defined key_RK3
- ENDIF
-#endif
!
END SUBROUTINE rst_read_ssh
diff --git a/src/OCE/SBC/sbcmod.F90 b/src/OCE/SBC/sbcmod.F90
index 12fcf66de2b078cee02db66343c3973a9b21b0e9..220693366245e7a91363b61cbec9ba4547d15560 100644
--- a/src/OCE/SBC/sbcmod.F90
+++ b/src/OCE/SBC/sbcmod.F90
@@ -530,7 +530,11 @@ CONTAINS
!
IF( kt == nit000 ) THEN ! set the forcing field at nit000 - 1 !
! ! ---------------------------------------- !
- IF( ln_rstart .AND. .NOT.l_1st_euler ) THEN !* Restart: read in restart file
+#if defined key_RK3
+ IF( ln_rstart .AND. lk_SWE ) THEN !* RK3 + SWE: Restart: read in restart file
+#else
+ IF( ln_rstart .AND. .NOT.l_1st_euler ) THEN !* MLF: Restart: read in restart file
+#endif
IF(lwp) WRITE(numout,*) ' nit000-1 surface forcing fields read in the restart file'
CALL iom_get( numror, jpdom_auto, 'utau_b', utau_b ) ! i-stress
CALL iom_get( numror, jpdom_auto, 'vtau_b', vtau_b ) ! j-stress
@@ -552,9 +556,17 @@ CONTAINS
sfx_b (:,:) = sfx (:,:)
ENDIF
ENDIF
+ !
+#if defined key_RK3
+ ! ! ---------------------------------------- !
+ IF( lrst_oce .AND. lk_SWE ) THEN ! RK3: Write in the ocean restart file !
+ ! ! ---------------------------------------- !
+#else
! ! ---------------------------------------- !
- IF( lrst_oce ) THEN ! Write in the ocean restart file !
+ IF( lrst_oce ) THEN ! MLF: Write in the ocean restart file !
! ! ---------------------------------------- !
+#endif
+ !
IF(lwp) WRITE(numout,*)
IF(lwp) WRITE(numout,*) 'sbc : ocean surface forcing fields written in ocean restart file ', &
& 'at it= ', kt,' date= ', ndastp
diff --git a/src/OCE/nemogcm.F90 b/src/OCE/nemogcm.F90
index deab2b74e83379dd037b0e4049a22cbd8fbdd888..9e5ebf364cb019878d34e1d4fd7fc44a94021891 100644
--- a/src/OCE/nemogcm.F90
+++ b/src/OCE/nemogcm.F90
@@ -126,9 +126,9 @@ CONTAINS
! !-----------------------!
#if defined key_agrif
# if defined key_RK3
- Kbb_a = Nbb; Kmm_a = Nbb; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
+ Kbb_a = Nbb; Kmm_a = Nbb; Krhs_a = Nrhs ! RK3: agrif_oce module copies of time level indices
# else
- Kbb_a = Nbb; Kmm_a = Nnn; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
+ Kbb_a = Nbb; Kmm_a = Nnn; Krhs_a = Nrhs ! MLF: agrif_oce module copies of time level indices
# endif
CALL Agrif_Declare_Var ! " " " " " DYN/TRA
# if defined key_top
@@ -155,9 +155,9 @@ CONTAINS
!
! Recursive update from highest nested level to lowest:
# if defined key_RK3
- Kbb_a = Nbb; Kmm_a = Nbb; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
+ Kbb_a = Nbb; Kmm_a = Nbb; Krhs_a = Nrhs ! RK3: agrif_oce module copies of time level indices
# else
- Kbb_a = Nbb; Kmm_a = Nnn; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
+ Kbb_a = Nbb; Kmm_a = Nnn; Krhs_a = Nrhs ! MLF: agrif_oce module copies of time level indices
# endif
CALL Agrif_step_child_adj(Agrif_Update_All)
CALL Agrif_step_child_adj(Agrif_Check_parent_bat)
@@ -412,9 +412,9 @@ CONTAINS
Nbb = 1 ; Nnn = 2 ; Naa = 3 ; Nrhs = Naa
#if defined key_agrif
# if defined key_RK3
- Kbb_a = Nbb ; Kmm_a = Nbb ; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
+ Kbb_a = Nbb ; Kmm_a = Nbb ; Krhs_a = Nrhs ! RK3: agrif_oce module copies of time level indices
# else
- Kbb_a = Nbb ; Kmm_a = Nnn ; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
+ Kbb_a = Nbb ; Kmm_a = Nnn ; Krhs_a = Nrhs ! MLF: agrif_oce module copies of time level indices
# endif
#endif
! !-------------------------------!
diff --git a/src/OCE/oce.F90 b/src/OCE/oce.F90
index 8feef4e01600bfae2a60fd855880935944766971..8f5e2d451341c1dc9d4fe6951453db2dfd782f95 100644
--- a/src/OCE/oce.F90
+++ b/src/OCE/oce.F90
@@ -85,35 +85,51 @@ CONTAINS
!!----------------------------------------------------------------------
!! *** FUNCTION oce_alloc ***
!!----------------------------------------------------------------------
- INTEGER :: ierr(6)
+ INTEGER :: ii
+ INTEGER, DIMENSION(7) :: ierr
!!----------------------------------------------------------------------
!
- ierr(:) = 0
+ ii = 0 ; ierr(:) = 0
+ !
+ ii = ii+1
ALLOCATE( uu (jpi,jpj,jpk,jpt) , vv (jpi,jpj,jpk,jpt) , &
& ww (jpi,jpj,jpk) , hdiv(jpi,jpj,jpk) , &
& ts (jpi,jpj,jpk,jpts,jpt) , &
& rab_b(jpi,jpj,jpk,jpts) , rab_n(jpi,jpj,jpk,jpts) , &
& rn2b (jpi,jpj,jpk) , rn2 (jpi,jpj,jpk) , &
- & rhd (jpi,jpj,jpk) , rhop (jpi,jpj,jpk) , STAT=ierr(1) )
+ & rhd (jpi,jpj,jpk) , rhop (jpi,jpj,jpk) , STAT=ierr(ii) )
!
+ ii = ii+1
ALLOCATE( ssh (jpi,jpj,jpt) , uu_b(jpi,jpj,jpt) , vv_b(jpi,jpj,jpt) , &
& ssh_frc(jpi,jpj) , &
& gtsu(jpi,jpj,jpts) , gtsv(jpi,jpj,jpts) , &
& gru (jpi,jpj) , grv (jpi,jpj) , &
& gtui(jpi,jpj,jpts) , gtvi(jpi,jpj,jpts) , &
& grui(jpi,jpj) , grvi(jpi,jpj) , &
- & riceload(jpi,jpj) , STAT=ierr(2) )
+ & riceload(jpi,jpj) , STAT=ierr(ii) )
!
- ALLOCATE( fraqsr_1lev(jpi,jpj) , STAT=ierr(3) )
+ ii = ii+1
+ ALLOCATE( fraqsr_1lev(jpi,jpj) , STAT=ierr(ii) )
!
+ ii = ii+1
ALLOCATE( ssha_e(jpi,jpj), sshn_e(jpi,jpj), sshb_e(jpi,jpj), sshbb_e(jpi,jpj), &
& ua_e(jpi,jpj), un_e(jpi,jpj), ub_e(jpi,jpj), ubb_e(jpi,jpj), &
& va_e(jpi,jpj), vn_e(jpi,jpj), vb_e(jpi,jpj), vbb_e(jpi,jpj), &
- & hu_e(jpi,jpj), hur_e(jpi,jpj), hv_e(jpi,jpj), hvr_e(jpi,jpj), STAT=ierr(4) )
+ & hu_e(jpi,jpj), hur_e(jpi,jpj), hv_e(jpi,jpj), hvr_e(jpi,jpj), STAT=ierr(ii) )
!
- ALLOCATE( ub2_b(jpi,jpj), vb2_b(jpi,jpj), un_bf(jpi,jpj), vn_bf(jpi,jpj) , STAT=ierr(5) )
+#if defined key_RK3
+# if defined key_agrif
+ ii = ii+1 ! RK3+AGRIF: ???
+ ALLOCATE( ub2_b(jpi,jpj), vb2_b(jpi,jpj) , STAT=ierr(ii) )
+# endif
+#else
+ ii = ii+1 ! MLF: arrays related to Asselin filter + ???
+ ALLOCATE( un_bf(jpi,jpj), vn_bf(jpi,jpj), ub2_b(jpi,jpj), vb2_b(jpi,jpj) , STAT=ierr(ii) )
+#endif
+
#if defined key_agrif
- ALLOCATE( ub2_i_b(jpi,jpj), vb2_i_b(jpi,jpj) , STAT=ierr(6) )
+ ii = ii+1 ! AGRIF: ???
+ ALLOCATE( ub2_i_b(jpi,jpj), vb2_i_b(jpi,jpj) , STAT=ierr(ii) )
#endif
!
oce_alloc = MAXVAL( ierr )
diff --git a/src/OCE/stp2d.F90 b/src/OCE/stp2d.F90
index 6ca69903dcca2841cf9242ab4d1f4160028b0911..96170dc207405395a7248c429d57e8516a227d51 100644
--- a/src/OCE/stp2d.F90
+++ b/src/OCE/stp2d.F90
@@ -109,7 +109,13 @@ CONTAINS
!
! !* compute advection + coriolis *!
!
- r3t(:,:,Kaa) = ssh(:,:,Kaa) * r1_ht_0(:,:) ! ratio at t-point at Kaa (n-1)
+ CALL ssh_nxt( kt, Kbb, Kbb, ssh, Kaa )
+ !
+ IF( .NOT.lk_linssh ) THEN
+ DO_2D_OVR( 1, nn_hls, 1, nn_hls ) ! loop bounds limited by ssh definition in ssh_nxt
+ r3t(ji,jj,Kaa) = ssh(ji,jj,Kaa) * r1_ht_0(ji,jj) ! "after" ssh/h_0 ratio guess at t-column at Kaa (n+1)
+ END_2D
+ ENDIF
!
CALL wzv ( kt, Kbb, Kbb, Kaa , uu(:,:,:,Kbb), vv(:,:,:,Kbb), ww ) ! ww guess at Kbb (n)
!