Enable reduced ensemble size for early cycle in marine DA

jobs/JGDAS_GLOBAL_OCEAN_ANALYSIS_ECEN

@@ -30,6 +30,11 @@ YMD=${PDY} HH=${cyc} declare_from_tmpl -rx \
    COMIN_ICE_RESTART:COM_ICE_RESTART_TMPL \
    COMOUT_ICE_ANALYSIS:COM_ICE_ANALYSIS_TMPL
 
+export NMEM_ENS_MAX=${NMEM_ENS}
+if [[ "${RUN}" == "gfs" ]]; then
+   NMEM_ENS=${NMEM_ENS_GFS}
+fi
+
 ##############################################
 # Begin JOB SPECIFIC work
 ##############################################

jobs/JGLOBAL_MARINE_BMAT

@@ -23,6 +23,14 @@ gcyc=${GDATE:8:2}
 export GDUMP="gdas"
 export GDUMP_ENS="enkf${GDUMP}"
 
+export NMEM_ENS_MAX=${NMEM_ENS}
+if [[ "${RUN}" == "gfs"  && "${DOHYBVAR_OCN}" == "YES" ]]; then
+   NMEM_ENS=${NMEM_ENS_GFS}
+   export mem_offset=$((NMEM_ENS_GFS_OFFSET * cyc/6))
+else
+   export mem_offset=0
+fi
+
 ##############################################
 # Begin JOB SPECIFIC work
 ##############################################