turn off land iau for gfs

tsga · Jan 3, 2025 · e555392 · e555392
1 parent 3dd1228
commit e555392
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Showing 3 changed files with 8 additions and 5 deletions.
diff --git a/parm/config/gfs/config.base b/parm/config/gfs/config.base
@@ -438,7 +438,7 @@ export GSI_SOILANAL=@GSI_SOILANAL@
 
 # Land IAU for soil temp
 export DO_LAND_IAU="@DO_LAND_IAU@" 
-export ONLY_LAND_IAU="YES"
+export ONLY_LAND_IAU_INC="NO"  #GSI increments only added by land iau
 export LAND_IAU_FHRS="3,6,9"
 export LAND_IAU_DELTHRS=6
 export LAND_IAU_INC_FILES='sfc_inc',''
@@ -450,10 +450,9 @@ export LAND_IAU_DO_STCSMC_ADJUSTMENT=.true.
 export LAND_IAU_MIN_T_INCREMENT=0.0001
 #export LAND_IAU_MIN_SLC_INCREMENT=0.000001
 
-# no land iau if cycle is cold start or in free-forecast mode
+# no land iau if cycle is cold start/ forecast only
 if [[ "${MODE}" = "cycled" && "${SDATE}" = "${PDY}${cyc}" && ${EXP_WARM_START} = ".false." ]] || [[ "${MODE}" = "forecast-only" && ${EXP_WARM_START} = ".false." ]] ; then   
-  export DO_LAND_IAU="NO"   #TODO: Note turning off Land IAU, instead of limiting to LAND_IAU_FHRS=6. 
-                            #Test in future using LAND_IAU_FHRS=6
+  export DO_LAND_IAU="NO"   #TODO: turning off Land IAU
 fi
 
 # turned on nsst in anal and/or fcst steps, and turn off rtgsst

diff --git a/parm/config/gfs/config.fcst b/parm/config/gfs/config.fcst
@@ -296,6 +296,9 @@ elif [[ "${RUN}" =~ "gfs" ]] ; then # GFS cycle specific parameters
       export io_layout="1,1"
     fi
 
+    # Turn off Land IAU for GFS
+    export DO_LAND_IAU="NO"
+
 fi
 
 # Remember config.efcs will over-ride these values for ensemble forecasts

diff --git a/ush/forecast_postdet.sh b/ush/forecast_postdet.sh
@@ -137,6 +137,7 @@ FV3_postdet() {
         IAU_INC_FILES="''"
       fi
       if [[ ${DO_LAND_IAU} = "YES" ]]; then
+	DO_LAND_IAU="NO"
         LAND_IAU_FHRS=-1
         LAND_IAU_DELTHRS=0
         LAND_IAU_INC_FILES="''"
@@ -215,7 +216,7 @@ EOF
           fi
           ${NCP} "${sfc_increment_file}" "${DATA}/INPUT/sfc_inc.tile${TN}.nc"
         done
-	#LAND_IAU_INC_FILES="${LAND_IAU_INC_FILES:-'sfc_inc'}"
+	LAND_IAU_INC_FILES=${LAND_IAU_INC_FILES:-'sfc_inc'}
 
       #else #TODO: check to make sure correct sfc inc for non-IAU
       fi