diff --git a/AGCM.rc.tmpl b/AGCM.rc.tmpl
index d44ce00e..c6232ec9 100644
--- a/AGCM.rc.tmpl
+++ b/AGCM.rc.tmpl
@@ -113,6 +113,7 @@ SHALLOW_OPTION: UW
 # convection scheme options
 # ----------------------------------------
 CONVPAR_OPTION: @CONVPAR_OPTION
+@BACM_1M_USE_GF2020: 0
 # Convective plumes to be activated (1 true, 0 false)
 DEEP: 1
 SHALLOW: 0
@@ -133,6 +134,11 @@ NCAR_NRDG: @NCAR_NRDG
 # The below settings are only for v14 BCs currently being tested
 #v14 NCAR_EFFGWORO: 0.35
 #v14 NCAR_ORO_TNDMAX: 250
+
+# For BACM_1M we revert to v11 TURB settings
+@BACM_1M_TURBULENCE_LAMBDAH: 160.0
+@BACM_1M_TURBULENCE_LAMBDAM: 160.0
+
 ###########################################################
 
 ###########################################################
@@ -924,14 +930,17 @@ HCFC22_FRIENDLIES: DYNAMICS:TURBULENCE:MOIST
 
 # Set RADIATION Parameterizations
 # -------------------------------
-USE_RRTMGP_IRRAD: 1.0
-USE_RRTMGP_SORAD: 1.0
-RRTMGP_GAS_LW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-gas-lw-g128.nc
-RRTMGP_GAS_SW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-gas-sw-g112.nc
-RRTMGP_CLOUD_OPTICS_LW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-clouds-lw.nc
-RRTMGP_CLOUD_OPTICS_SW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-clouds-sw.nc
-
-SOLAR_LB_MAX_PASSES: 10
+@RRTMGP_RADIATION USE_RRTMGP_IRRAD: 1.0
+@RRTMGP_RADIATION USE_RRTMGP_SORAD: 1.0
+@RRTMGP_RADIATION RRTMGP_GAS_LW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-gas-lw-g128.nc
+@RRTMGP_RADIATION RRTMGP_GAS_SW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-gas-sw-g112.nc
+@RRTMGP_RADIATION RRTMGP_CLOUD_OPTICS_LW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-clouds-lw.nc
+@RRTMGP_RADIATION RRTMGP_CLOUD_OPTICS_SW: ExtData/g5gcm/radiation/RRTMGP/v1.8/rrtmgp-clouds-sw.nc
+@RRTMGP_RADIATION SOLAR_LB_MAX_PASSES: 10
+
+@RRTMG_RADIATION USE_RRTMG_IRRAD: 1.0
+@RRTMG_RADIATION USE_RRTMG_SORAD: 1.0
+
 ISOLVAR: 2
 USE_NRLSSI2: .TRUE.
 SOLAR_CYCLE_FILE_NAME: ExtData/g5gcm/solar/NRLSSI2.txt
diff --git a/gcm_forecast.tmpl b/gcm_forecast.tmpl
index 16ceabcd..7890b4f2 100755
--- a/gcm_forecast.tmpl
+++ b/gcm_forecast.tmpl
@@ -678,16 +678,14 @@ if( $EXTDATA2G_TRUE == 1 ) then
 
 endif
 
-# Move GOCART to use RRTMGP Bands
-# -------------------------------
-# UNCOMMENT THE LINES BELOW IF RUNNING RRTMGP
-#
-set instance_files = `/bin/ls -1 *_instance*.rc`
-foreach instance ($instance_files)
-   /bin/mv $instance $instance.tmp
-   cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
-   /bin/rm $instance.tmp
-end
+@RRTMGP_RADIATION # Move GOCART to use RRTMGP Bands
+@RRTMGP_RADIATION # -------------------------------
+@RRTMGP_RADIATION set instance_files = `/bin/ls -1 *_instance*.rc`
+@RRTMGP_RADIATION foreach instance ($instance_files)
+   @RRTMGP_RADIATION /bin/mv $instance $instance.tmp
+   @RRTMGP_RADIATION cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
+   @RRTMGP_RADIATION /bin/rm $instance.tmp
+@RRTMGP_RADIATION end
 
 # Link Boundary Conditions for Appropriate Date
 # ---------------------------------------------
diff --git a/gcm_regress.j b/gcm_regress.j
index 38e405e3..618c3f58 100755
--- a/gcm_regress.j
+++ b/gcm_regress.j
@@ -403,16 +403,14 @@ if( $LM  != 72 ) then
     endif
 endif
 
-# Move GOCART to use RRTMGP Bands
-# -------------------------------
-# UNCOMMENT THE LINES BELOW IF RUNNING RRTMGP
-#
-set instance_files = `/bin/ls -1 *_instance*.rc`
-foreach instance ($instance_files)
-   /bin/mv $instance $instance.tmp
-   cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
-   /bin/rm $instance.tmp
-end
+@RRTMGP_RADIATION # Move GOCART to use RRTMGP Bands
+@RRTMGP_RADIATION # -------------------------------
+@RRTMGP_RADIATION set instance_files = `/bin/ls -1 *_instance*.rc`
+@RRTMGP_RADIATION foreach instance ($instance_files)
+   @RRTMGP_RADIATION /bin/mv $instance $instance.tmp
+   @RRTMGP_RADIATION cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
+   @RRTMGP_RADIATION /bin/rm $instance.tmp
+@RRTMGP_RADIATION end
 
 # If REPLAY, link necessary forcing files
 # ---------------------------------------
diff --git a/gcm_run.j b/gcm_run.j
index f4ced880..b32b2587 100755
--- a/gcm_run.j
+++ b/gcm_run.j
@@ -879,16 +879,14 @@ if( $EXTDATA2G_TRUE == 1 ) then
 
 endif
 
-# Move GOCART to use RRTMGP Bands
-# -------------------------------
-# UNCOMMENT THE LINES BELOW IF RUNNING RRTMGP
-#
-set instance_files = `/bin/ls -1 *_instance*.rc`
-foreach instance ($instance_files)
-   /bin/mv $instance $instance.tmp
-   cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
-   /bin/rm $instance.tmp
-end
+@RRTMGP_RADIATION # Move GOCART to use RRTMGP Bands
+@RRTMGP_RADIATION # -------------------------------
+@RRTMGP_RADIATION set instance_files = `/bin/ls -1 *_instance*.rc`
+@RRTMGP_RADIATION foreach instance ($instance_files)
+   @RRTMGP_RADIATION /bin/mv $instance $instance.tmp
+   @RRTMGP_RADIATION cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
+   @RRTMGP_RADIATION /bin/rm $instance.tmp
+@RRTMGP_RADIATION end
 
 # Link Boundary Conditions for Appropriate Date
 # ---------------------------------------------
diff --git a/gcm_run.j-new_rst_approach b/gcm_run.j-new_rst_approach
index e76c041b..39236f2b 100755
--- a/gcm_run.j-new_rst_approach
+++ b/gcm_run.j-new_rst_approach
@@ -805,16 +805,14 @@ if( $EXTDATA2G_TRUE == 1 ) then
 
 endif
 
-# Move GOCART to use RRTMGP Bands
-# -------------------------------
-# UNCOMMENT THE LINES BELOW IF RUNNING RRTMGP
-#
-set instance_files = `/bin/ls -1 *_instance*.rc`
-foreach instance ($instance_files)
-   /bin/mv $instance $instance.tmp
-   cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
-   /bin/rm $instance.tmp
-end
+@RRTMGP_RADIATION # Move GOCART to use RRTMGP Bands
+@RRTMGP_RADIATION # -------------------------------
+@RRTMGP_RADIATION set instance_files = `/bin/ls -1 *_instance*.rc`
+@RRTMGP_RADIATION foreach instance ($instance_files)
+   @RRTMGP_RADIATION /bin/mv $instance $instance.tmp
+   @RRTMGP_RADIATION cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
+   @RRTMGP_RADIATION /bin/rm $instance.tmp
+@RRTMGP_RADIATION end
 
 # Link Boundary Conditions for Appropriate Date
 # ---------------------------------------------
diff --git a/gcm_run_benchmark.j b/gcm_run_benchmark.j
index 8d484fdb..e96f82af 100755
--- a/gcm_run_benchmark.j
+++ b/gcm_run_benchmark.j
@@ -695,16 +695,14 @@ if( $EXTDATA2G_TRUE == 1 ) then
 
 endif
 
-# Move GOCART to use RRTMGP Bands
-# -------------------------------
-# UNCOMMENT THE LINES BELOW IF RUNNING RRTMGP
-#
-set instance_files = `/bin/ls -1 *_instance*.rc`
-foreach instance ($instance_files)
-   /bin/mv $instance $instance.tmp
-   cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
-   /bin/rm $instance.tmp
-end
+@RRTMGP_RADIATION # Move GOCART to use RRTMGP Bands
+@RRTMGP_RADIATION # -------------------------------
+@RRTMGP_RADIATION set instance_files = `/bin/ls -1 *_instance*.rc`
+@RRTMGP_RADIATION foreach instance ($instance_files)
+   @RRTMGP_RADIATION /bin/mv $instance $instance.tmp
+   @RRTMGP_RADIATION cat $instance.tmp | sed -e '/\bRRTMG\b/ s#RRTMG#RRTMGP#' > $instance
+   @RRTMGP_RADIATION /bin/rm $instance.tmp
+@RRTMGP_RADIATION end
 
 # Link Boundary Conditions for Appropriate Date
 # ---------------------------------------------
diff --git a/gcm_setup b/gcm_setup
index 05a522a4..e01e67db 100755
--- a/gcm_setup
+++ b/gcm_setup
@@ -299,11 +299,27 @@ set LATLON_AGCM = "#DELETE"
 set CUBE_AGCM = ""
 
 echo "Enter the Atmospheric Model ${C1}Vertical Resolution${CN}: ${C2}LM${CN} (Default: 181)"
+echo "   NOTE: If you choose 72 levels, your defaults will change to match GEOSgcm v11:"
+echo "         - Microphysics will change to BACM_1M"
+echo "         - Land surface model boundary conditions will change to NL3"
+echo "         - Radiation will be set to RRTMG"
+echo "         - Default heartbeat will be set to 450 seconds"
 set   AGCM_LM = $<
 if( .$AGCM_LM == . ) then
   set AGCM_LM = 181
 endif
 
+#######################################################################
+#                 Set Radiation model
+#######################################################################
+
+if ( $AGCM_LM == 72 ) then
+   set RRTMG_RADIATION = ""
+   set RRTMGP_RADIATION = "#DELETE"
+else
+   set RRTMG_RADIATION = "#DELETE"
+   set RRTMGP_RADIATION = ""
+endif
 
 #######################################################################
 #                 Choose microphysics option
@@ -311,13 +327,18 @@ endif
 
 ASKMP:
 
-echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: GFDL_1M)"
+set DEFAULT_CLDMICRO = "GFDL_1M"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_CLDMICRO = "BACM_1M"
+endif
+
+echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: ${C2}$DEFAULT_CLDMICRO${CN})"
 echo "   ${C2}BACM_1M  --  3-phase 1-moment Bacmeister et al${CN}"
 echo "   ${C2}GFDL_1M  --  6-phase 1-moment Geophysical Fluid Dynamics Laboratory${CN}"
 echo "   ${C2}MGB2_2M  --  5 or 6-phase 2-moment Morrison & Gettleman${CN}"
 set   CLDMICRO = $<
 if( .$CLDMICRO == . ) then
-   set CLDMICRO = "GFDL_1M"
+   set CLDMICRO = $DEFAULT_CLDMICRO
 else
    set CLDMICRO = `echo $CLDMICRO | tr "[:lower:]" "[:upper:]"`
    if( "$CLDMICRO" != "BACM_1M" & \
@@ -1072,9 +1093,18 @@ if ($DATA_ATMOS == TRUE) then
   set GWD_IN_BCS   = "FALSE"
 else
 
-echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${C2}NL3${CN} (Icarus-NLv3), ${C2}v14${CN} (v14_BETA) or ${C2}v12${CN} (Default)"
+set DEFAULT_LSM_BCS = "v12"
+set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN} (Default)"
+set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3)"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_LSM_BCS = "NL3"
+   set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN}"
+   set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3, Default)"
+endif
+
+echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${LSM_BCS_NL3_DEFAULT_STR}, ${C2}v14${CN} (v14_BETA) or ${LSM_BCS_V12_DEFAULT_STR}"
 set   LSM_BCS  = $<
-if( .$LSM_BCS == . ) set LSM_BCS = "v12"
+if( .$LSM_BCS == . ) set LSM_BCS = ${DEFAULT_LSM_BCS}
 if( `echo $LSM_BCS | tr '[:upper:]' '[:lower:]'` == "ica" ) then
     set LSM_BCS      = "ICA"
     set LSM_PARMS    = "#DELETE"
@@ -2190,7 +2220,7 @@ s?@BACM_1M_?$BACM_1M_?g
 s?@GFDL_1M_?$GFDL_1M_?g
 s?@MGB2_2M_?$MGB2_2M_?g
 
-s?@KLID?$KLID?g 
+s?@KLID?$KLID?g
 
 s?@PRELOAD_COMMAND?$PRELOAD_COMMAND?g
 s?@LD_LIBRARY_PATH_CMD?$LD_LIBRARY_PATH_CMD?g
@@ -2199,6 +2229,9 @@ s?@RUN_CMD?$RUN_CMD?g
 s?@MODELATM?$MODELATM?g
 s?@USE_DATA_ATM4OCN?$USE_DATA_ATM4OCN?g
 
+s?@RRTMG_RADIATION?$RRTMG_RADIATION?g
+s?@RRTMGP_RADIATION?$RRTMGP_RADIATION?g
+
 EOF
 
 # Added FV3/GFDL-MP Specific Parameters
@@ -2447,6 +2480,11 @@ if( $LSM_BCS == "ICA" ) then
     awk '{ if ($1~"Z0_FORMULATION:") { sub(/4/,"2") }; print }' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
 endif
 
+if( $AGCM_LM == 72 ) then
+    /bin/mv $EXPDIR/RC/GEOS_SurfaceGridComp.rc $EXPDIR/RC/GEOS_SurfaceGridComp.tmp
+    cat $EXPDIR/RC/GEOS_SurfaceGridComp.tmp | sed -e '/^ *SNOW_ALBEDO_INFO:/ s/1/0/' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
+endif
+
 # Enable DATA_DRIVEN GOCART2G
 # ---------------------------
 if( $AERO_PROVIDER == GOCART2G ) then
diff --git a/geoschemchem_setup b/geoschemchem_setup
index a01ba091..01ca176a 100755
--- a/geoschemchem_setup
+++ b/geoschemchem_setup
@@ -299,11 +299,27 @@ set LATLON_AGCM = "#DELETE"
 set CUBE_AGCM = ""
 
 echo "Enter the Atmospheric Model ${C1}Vertical Resolution${CN}: ${C2}LM${CN} (Default: 181)"
+echo "   NOTE: If you choose 72 levels, your defaults will change to match GEOSgcm v11:"
+echo "         - Microphysics will change to BACM_1M"
+echo "         - Land surface model boundary conditions will change to NL3"
+echo "         - Radiation will be set to RRTMG"
+echo "         - Default heartbeat will be set to 450 seconds"
 set   AGCM_LM = $<
 if( .$AGCM_LM == . ) then
   set AGCM_LM = 181
 endif
 
+#######################################################################
+#                 Set Radiation model
+#######################################################################
+
+if ( $AGCM_LM == 72 ) then
+   set RRTMG_RADIATION = ""
+   set RRTMGP_RADIATION = "#DELETE"
+else
+   set RRTMG_RADIATION = "#DELETE"
+   set RRTMGP_RADIATION = ""
+endif
 
 #######################################################################
 #                 Choose microphysics option
@@ -311,13 +327,18 @@ endif
 
 ASKMP:
 
-echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: GFDL_1M)"
+set DEFAULT_CLDMICRO = "GFDL_1M"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_CLDMICRO = "BACM_1M"
+endif
+
+echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: ${C2}$DEFAULT_CLDMICRO${CN})"
 echo "   ${C2}BACM_1M  --  3-phase 1-moment Bacmeister et al${CN}"
 echo "   ${C2}GFDL_1M  --  6-phase 1-moment Geophysical Fluid Dynamics Laboratory${CN}"
 echo "   ${C2}MGB2_2M  --  5 or 6-phase 2-moment Morrison & Gettleman${CN}"
 set   CLDMICRO = $<
 if( .$CLDMICRO == . ) then
-   set CLDMICRO = "GFDL_1M"
+   set CLDMICRO = $DEFAULT_CLDMICRO
 else
    set CLDMICRO = `echo $CLDMICRO | tr "[:lower:]" "[:upper:]"`
    if( "$CLDMICRO" != "BACM_1M" & \
@@ -1026,8 +1047,13 @@ if ( "$CLDMICRO" == "BACM_1M" ) then
 endif
 
 set GFDL_1M_ = "#"
+set KLID = "0.0"
 if ( "$CLDMICRO" == "GFDL_1M" ) then
    set GFDL_1M_ = ""
+   if ($AGCM_LM >= 181) set KLID = "19.0"
+   if ($AGCM_LM == 137) set KLID = "14.0"
+   if ($AGCM_LM ==  91) set KLID = "13.0"
+   if ($AGCM_LM ==  72) set KLID = "14.0"
 endif
 
 set MGB2_2M_ = "#"
@@ -1067,9 +1093,18 @@ if ($DATA_ATMOS == TRUE) then
   set GWD_IN_BCS   = "FALSE"
 else
 
-echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${C2}NL3${CN} (Icarus-NLv3), ${C2}v14${CN} (v14_BETA) or ${C2}v12${CN} (Default)"
+set DEFAULT_LSM_BCS = "v12"
+set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN} (Default)"
+set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3)"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_LSM_BCS = "NL3"
+   set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN}"
+   set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3, Default)"
+endif
+
+echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${LSM_BCS_NL3_DEFAULT_STR}, ${C2}v14${CN} (v14_BETA) or ${LSM_BCS_V12_DEFAULT_STR}"
 set   LSM_BCS  = $<
-if( .$LSM_BCS == . ) set LSM_BCS = "v12"
+if( .$LSM_BCS == . ) set LSM_BCS = ${DEFAULT_LSM_BCS}
 if( `echo $LSM_BCS | tr '[:upper:]' '[:lower:]'` == "ica" ) then
     set LSM_BCS      = "ICA"
     set LSM_PARMS    = "#DELETE"
@@ -2202,6 +2237,8 @@ s?@BACM_1M_?$BACM_1M_?g
 s?@GFDL_1M_?$GFDL_1M_?g
 s?@MGB2_2M_?$MGB2_2M_?g
 
+s?@KLID?$KLID?g
+
 s?@PRELOAD_COMMAND?$PRELOAD_COMMAND?g
 s?@LD_LIBRARY_PATH_CMD?$LD_LIBRARY_PATH_CMD?g
 s?@RUN_CMD?$RUN_CMD?g
@@ -2209,6 +2246,9 @@ s?@RUN_CMD?$RUN_CMD?g
 s?@MODELATM?$MODELATM?g
 s?@USE_DATA_ATM4OCN?$USE_DATA_ATM4OCN?g
 
+s?@RRTMG_RADIATION?$RRTMG_RADIATION?g
+s?@RRTMGP_RADIATION?$RRTMGP_RADIATION?g
+
 EOF
 
 # Added FV3/GFDL-MP Specific Parameters
@@ -2621,6 +2661,11 @@ if( $LSM_BCS == "ICA" ) then
     awk '{ if ($1~"Z0_FORMULATION:") { sub(/4/,"2") }; print }' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
 endif
 
+if( $AGCM_LM == 72 ) then
+    /bin/mv $EXPDIR/RC/GEOS_SurfaceGridComp.rc $EXPDIR/RC/GEOS_SurfaceGridComp.tmp
+    cat $EXPDIR/RC/GEOS_SurfaceGridComp.tmp | sed -e '/^ *SNOW_ALBEDO_INFO:/ s/1/0/' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
+endif
+
 # Enable DATA_DRIVEN GOCART2G
 # ---------------------------
 if( $AERO_PROVIDER == GOCART2G ) then
diff --git a/gmichem_setup b/gmichem_setup
index 02e9ed8f..030a15c4 100755
--- a/gmichem_setup
+++ b/gmichem_setup
@@ -299,11 +299,27 @@ set LATLON_AGCM = "#DELETE"
 set CUBE_AGCM = ""
 
 echo "Enter the Atmospheric Model ${C1}Vertical Resolution${CN}: ${C2}LM${CN} (Default: 181)"
+echo "   NOTE: If you choose 72 levels, your defaults will change to match GEOSgcm v11:"
+echo "         - Microphysics will change to BACM_1M"
+echo "         - Land surface model boundary conditions will change to NL3"
+echo "         - Radiation will be set to RRTMG"
+echo "         - Default heartbeat will be set to 450 seconds"
 set   AGCM_LM = $<
 if( .$AGCM_LM == . ) then
   set AGCM_LM = 181
 endif
 
+#######################################################################
+#                 Set Radiation model
+#######################################################################
+
+if ( $AGCM_LM == 72 ) then
+   set RRTMG_RADIATION = ""
+   set RRTMGP_RADIATION = "#DELETE"
+else
+   set RRTMG_RADIATION = "#DELETE"
+   set RRTMGP_RADIATION = ""
+endif
 
 #######################################################################
 #                 Choose microphysics option
@@ -311,13 +327,18 @@ endif
 
 ASKMP:
 
-echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: GFDL_1M)"
+set DEFAULT_CLDMICRO = "GFDL_1M"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_CLDMICRO = "BACM_1M"
+endif
+
+echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: ${C2}$DEFAULT_CLDMICRO${CN})"
 echo "   ${C2}BACM_1M  --  3-phase 1-moment Bacmeister et al${CN}"
 echo "   ${C2}GFDL_1M  --  6-phase 1-moment Geophysical Fluid Dynamics Laboratory${CN}"
 echo "   ${C2}MGB2_2M  --  5 or 6-phase 2-moment Morrison & Gettleman${CN}"
 set   CLDMICRO = $<
 if( .$CLDMICRO == . ) then
-   set CLDMICRO = "GFDL_1M"
+   set CLDMICRO = $DEFAULT_CLDMICRO
 else
    set CLDMICRO = `echo $CLDMICRO | tr "[:lower:]" "[:upper:]"`
    if( "$CLDMICRO" != "BACM_1M" & \
@@ -1115,8 +1136,13 @@ if ( "$CLDMICRO" == "BACM_1M" ) then
 endif
 
 set GFDL_1M_ = "#"
+set KLID = "0.0"
 if ( "$CLDMICRO" == "GFDL_1M" ) then
    set GFDL_1M_ = ""
+   if ($AGCM_LM >= 181) set KLID = "19.0"
+   if ($AGCM_LM == 137) set KLID = "14.0"
+   if ($AGCM_LM ==  91) set KLID = "13.0"
+   if ($AGCM_LM ==  72) set KLID = "14.0"
 endif
 
 set MGB2_2M_ = "#"
@@ -1156,9 +1182,18 @@ if ($DATA_ATMOS == TRUE) then
   set GWD_IN_BCS   = "FALSE"
 else
 
-echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${C2}NL3${CN} (Icarus-NLv3), ${C2}v14${CN} (v14_BETA) or ${C2}v12${CN} (Default)"
+set DEFAULT_LSM_BCS = "v12"
+set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN} (Default)"
+set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3)"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_LSM_BCS = "NL3"
+   set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN}"
+   set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3, Default)"
+endif
+
+echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${LSM_BCS_NL3_DEFAULT_STR}, ${C2}v14${CN} (v14_BETA) or ${LSM_BCS_V12_DEFAULT_STR}"
 set   LSM_BCS  = $<
-if( .$LSM_BCS == . ) set LSM_BCS = "v12"
+if( .$LSM_BCS == . ) set LSM_BCS = ${DEFAULT_LSM_BCS}
 if( `echo $LSM_BCS | tr '[:upper:]' '[:lower:]'` == "ica" ) then
     set LSM_BCS      = "ICA"
     set LSM_PARMS    = "#DELETE"
@@ -2381,6 +2416,8 @@ s?@BACM_1M_?$BACM_1M_?g
 s?@GFDL_1M_?$GFDL_1M_?g
 s?@MGB2_2M_?$MGB2_2M_?g
 
+s?@KLID?$KLID?g
+
 s?@PRELOAD_COMMAND?$PRELOAD_COMMAND?g
 s?@LD_LIBRARY_PATH_CMD?$LD_LIBRARY_PATH_CMD?g
 s?@RUN_CMD?$RUN_CMD?g
@@ -2388,6 +2425,9 @@ s?@RUN_CMD?$RUN_CMD?g
 s?@MODELATM?$MODELATM?g
 s?@USE_DATA_ATM4OCN?$USE_DATA_ATM4OCN?g
 
+s?@RRTMG_RADIATION?$RRTMG_RADIATION?g
+s?@RRTMGP_RADIATION?$RRTMGP_RADIATION?g
+
 EOF
 
 # Added FV3/GFDL-MP Specific Parameters
@@ -2757,6 +2797,11 @@ if( $LSM_BCS == "ICA" ) then
     awk '{ if ($1~"Z0_FORMULATION:") { sub(/4/,"2") }; print }' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
 endif
 
+if( $AGCM_LM == 72 ) then
+    /bin/mv $EXPDIR/RC/GEOS_SurfaceGridComp.rc $EXPDIR/RC/GEOS_SurfaceGridComp.tmp
+    cat $EXPDIR/RC/GEOS_SurfaceGridComp.tmp | sed -e '/^ *SNOW_ALBEDO_INFO:/ s/1/0/' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
+endif
+
 # Turn on GOCART
 # --------------
 if( $LGOCART == TRUE ) then
diff --git a/set_resolution_params.csh b/set_resolution_params.csh
index 026af2e8..37056586 100644
--- a/set_resolution_params.csh
+++ b/set_resolution_params.csh
@@ -134,7 +134,12 @@ if( $AGCM_IM ==  "c180" ) then
            set  NX = $OGCM_NY
            set  NY = $OGCM_NX
         endif
+        # For coupled runs, set DT to 450
+        set DT = 450
         set OCEAN_DT = $DT
+        # Our other physics times steps must be divisible by DT
+        set CONV_DT = 450
+        set CHEM_DT = 900
      else
         set  NX = 20
         set  NY = `expr $NX \* 6`
@@ -430,6 +435,6 @@ endif
 if( "$LOCAL_CLDMICRO" == "BACM_1M" ) then
    set DT      = 450
    set CONV_DT = 450
-   set CHEM_DT = 3600
+   set CHEM_DT = 450
 endif
 
diff --git a/stratchem_setup b/stratchem_setup
index 7adb7d47..f0a34d94 100755
--- a/stratchem_setup
+++ b/stratchem_setup
@@ -299,11 +299,27 @@ set LATLON_AGCM = "#DELETE"
 set CUBE_AGCM = ""
 
 echo "Enter the Atmospheric Model ${C1}Vertical Resolution${CN}: ${C2}LM${CN} (Default: 181)"
+echo "   NOTE: If you choose 72 levels, your defaults will change to match GEOSgcm v11:"
+echo "         - Microphysics will change to BACM_1M"
+echo "         - Land surface model boundary conditions will change to NL3"
+echo "         - Radiation will be set to RRTMG"
+echo "         - Default heartbeat will be set to 450 seconds"
 set   AGCM_LM = $<
 if( .$AGCM_LM == . ) then
   set AGCM_LM = 181
 endif
 
+#######################################################################
+#                 Set Radiation model
+#######################################################################
+
+if ( $AGCM_LM == 72 ) then
+   set RRTMG_RADIATION = ""
+   set RRTMGP_RADIATION = "#DELETE"
+else
+   set RRTMG_RADIATION = "#DELETE"
+   set RRTMGP_RADIATION = ""
+endif
 
 #######################################################################
 #                 Choose microphysics option
@@ -311,13 +327,18 @@ endif
 
 ASKMP:
 
-echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: GFDL_1M)"
+set DEFAULT_CLDMICRO = "GFDL_1M"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_CLDMICRO = "BACM_1M"
+endif
+
+echo "Enter Choice for Atmospheric Model ${C1}Microphysics${CN}: (Default: ${C2}$DEFAULT_CLDMICRO${CN})"
 echo "   ${C2}BACM_1M  --  3-phase 1-moment Bacmeister et al${CN}"
 echo "   ${C2}GFDL_1M  --  6-phase 1-moment Geophysical Fluid Dynamics Laboratory${CN}"
 echo "   ${C2}MGB2_2M  --  5 or 6-phase 2-moment Morrison & Gettleman${CN}"
 set   CLDMICRO = $<
 if( .$CLDMICRO == . ) then
-   set CLDMICRO = "GFDL_1M"
+   set CLDMICRO = $DEFAULT_CLDMICRO
 else
    set CLDMICRO = `echo $CLDMICRO | tr "[:lower:]" "[:upper:]"`
    if( "$CLDMICRO" != "BACM_1M" & \
@@ -1026,8 +1047,13 @@ if ( "$CLDMICRO" == "BACM_1M" ) then
 endif
 
 set GFDL_1M_ = "#"
+set KLID = "0.0"
 if ( "$CLDMICRO" == "GFDL_1M" ) then
    set GFDL_1M_ = ""
+   if ($AGCM_LM >= 181) set KLID = "19.0"
+   if ($AGCM_LM == 137) set KLID = "14.0"
+   if ($AGCM_LM ==  91) set KLID = "13.0"
+   if ($AGCM_LM ==  72) set KLID = "14.0"
 endif
 
 set MGB2_2M_ = "#"
@@ -1067,9 +1093,18 @@ if ($DATA_ATMOS == TRUE) then
   set GWD_IN_BCS   = "FALSE"
 else
 
-echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${C2}NL3${CN} (Icarus-NLv3), ${C2}v14${CN} (v14_BETA) or ${C2}v12${CN} (Default)"
+set DEFAULT_LSM_BCS = "v12"
+set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN} (Default)"
+set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3)"
+if ( $AGCM_LM == 72 ) then
+   set DEFAULT_LSM_BCS = "NL3"
+   set LSM_BCS_V12_DEFAULT_STR = "${C2}v12${CN}"
+   set LSM_BCS_NL3_DEFAULT_STR = "${C2}NL3${CN} (Icarus-NLv3, Default)"
+endif
+
+echo "Enter the choice of ${C1}Land Surface Boundary Conditions${CN} using: ${C2}ICA${CN} (Icarus), ${LSM_BCS_NL3_DEFAULT_STR}, ${C2}v14${CN} (v14_BETA) or ${LSM_BCS_V12_DEFAULT_STR}"
 set   LSM_BCS  = $<
-if( .$LSM_BCS == . ) set LSM_BCS = "v12"
+if( .$LSM_BCS == . ) set LSM_BCS = ${DEFAULT_LSM_BCS}
 if( `echo $LSM_BCS | tr '[:upper:]' '[:lower:]'` == "ica" ) then
     set LSM_BCS      = "ICA"
     set LSM_PARMS    = "#DELETE"
@@ -2186,6 +2221,8 @@ s?@BACM_1M_?$BACM_1M_?g
 s?@GFDL_1M_?$GFDL_1M_?g
 s?@MGB2_2M_?$MGB2_2M_?g
 
+s?@KLID?$KLID?g
+
 s?@PRELOAD_COMMAND?$PRELOAD_COMMAND?g
 s?@LD_LIBRARY_PATH_CMD?$LD_LIBRARY_PATH_CMD?g
 s?@RUN_CMD?$RUN_CMD?g
@@ -2193,6 +2230,9 @@ s?@RUN_CMD?$RUN_CMD?g
 s?@MODELATM?$MODELATM?g
 s?@USE_DATA_ATM4OCN?$USE_DATA_ATM4OCN?g
 
+s?@RRTMG_RADIATION?$RRTMG_RADIATION?g
+s?@RRTMGP_RADIATION?$RRTMGP_RADIATION?g
+
 EOF
 
 # Added FV3/GFDL-MP Specific Parameters
@@ -2487,6 +2527,11 @@ if( $LSM_BCS == "ICA" ) then
     awk '{ if ($1~"Z0_FORMULATION:") { sub(/4/,"2") }; print }' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
 endif
 
+if( $AGCM_LM == 72 ) then
+    /bin/mv $EXPDIR/RC/GEOS_SurfaceGridComp.rc $EXPDIR/RC/GEOS_SurfaceGridComp.tmp
+    cat $EXPDIR/RC/GEOS_SurfaceGridComp.tmp | sed -e '/^ *SNOW_ALBEDO_INFO:/ s/1/0/' > $EXPDIR/RC/GEOS_SurfaceGridComp.rc
+endif
+
 # Enable DATA_DRIVEN GOCART2G
 # ---------------------------
 if( $AERO_PROVIDER == GOCART2G ) then