From f2e120316125102247598bb64c013ddd5a1c8870 Mon Sep 17 00:00:00 2001
From: GeorgeGayno-NOAA <52789452+GeorgeGayno-NOAA@users.noreply.github.com>
Date: Tue, 26 Jul 2022 09:42:24 -0400
Subject: [PATCH] Update default ice climatology in ./ush/global_cycle.sh.
 (#664)

Replace current default ice climo "CFSR.SEAICE.1982.2012.monthly.clim.grb"
with new IMS-based climo "IMS-NIC.blended.ice.monthly.clim.grb".

Fixes #661.
---
 reg_tests/global_cycle/C768.fv3gfs.sh | 1 +
 ush/global_cycle.sh                   | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/reg_tests/global_cycle/C768.fv3gfs.sh b/reg_tests/global_cycle/C768.fv3gfs.sh
index c86792ff6..524f747b3 100755
--- a/reg_tests/global_cycle/C768.fv3gfs.sh
+++ b/reg_tests/global_cycle/C768.fv3gfs.sh
@@ -33,6 +33,7 @@ export LONB=3072
 export LATB=1536
 
 export FIXgsm=$BASE_GSM/fix/fix_am
+export FNAISC=$FIXgsm/CFSR.SEAICE.1982.2012.monthly.clim.grb
 
 export DONST="YES"
 export use_ufo=.true.
diff --git a/ush/global_cycle.sh b/ush/global_cycle.sh
index 06a21c93b..92ad3a274 100755
--- a/ush/global_cycle.sh
+++ b/ush/global_cycle.sh
@@ -72,7 +72,7 @@
 #     FNALBC2       Input 'facsf' and 'facwf' albedo climatology GRIB file.
 #                   Defaults to ${FIXam}/global_albedo4.1x1.grb
 #     FNAISC        Input sea ice climatology GRIB file.
-#                   Defaults to ${FIXam}/CFSR.SEAICE.1982.2012.monthly.clim.grb
+#                   Defaults to ${FIXam}/IMS-NIC.blended.ice.monthly.clim.grb
 #     FNTG3C        Input deep soil temperature climatology GRIB file.
 #                   Defaults to ${FIXam}/global_tg3clim.2.6x1.5.grb
 #     FNVEGC        Input vegetation fraction climatology GRIB file.
@@ -280,7 +280,7 @@ FNSALC=${FNSALC:-${FIXam}/global_salclm.t1534.3072.1536.nc}
 FNSNOC=${FNSNOC:-${FIXam}/global_snoclim.1.875.grb}
 FNZORC=${FNZORC:-igbp}
 FNALBC2=${FNALBC2:-${FIXam}/global_albedo4.1x1.grb}
-FNAISC=${FNAISC:-${FIXam}/CFSR.SEAICE.1982.2012.monthly.clim.grb}
+FNAISC=${FNAISC:-${FIXam}/IMS-NIC.blended.ice.monthly.clim.grb}
 FNTG3C=${FNTG3C:-${FIXam}/global_tg3clim.2.6x1.5.grb}
 FNVEGC=${FNVEGC:-${FIXam}/global_vegfrac.0.144.decpercent.grb}
 FNALBC=${FNALBC:-${FIXam}/global_snowfree_albedo.bosu.t$JCAP_CASE.$LONB_CASE.$LATB_CASE.rg.grb}