diff --git a/bld/namelist_files/namelist_defaults_cam.xml b/bld/namelist_files/namelist_defaults_cam.xml
index 894d3c5167..4a45bbb227 100644
--- a/bld/namelist_files/namelist_defaults_cam.xml
+++ b/bld/namelist_files/namelist_defaults_cam.xml
@@ -714,7 +714,8 @@
atm/cam/ggas/ghg_hist_1765-2005_c091218.nc
atm/waccm/lb/LBC_1765-2100_1.9x2.5_CCMI_RCP60_za_RNOCStrend_c141002.nc
-atm/waccm/lb/LBC_17500116-20150116_CMIP6_0p5degLat_c180905.nc
+atm/waccm/lb/LBC_17500116-20150116_CMIP6_0p5degLat_c180905.nc
+atm/waccm/lb/CMIP7/LBC_17500116-20221216_CMIP7_0p5degLat_OCSupdate_c250523.nc
atm/cam/ggas/emissions-cmip6_CO2_anthro_surface_175001-201512_fv_0.9x1.25_c20181011.nc
@@ -866,6 +867,7 @@
0.5d0
0.5d0
1.d0
+1.d0
2.d0
2.d0
2.d0
@@ -878,6 +880,7 @@
2.D0
2.D0
.true.
+.true.
.false.
.false.
.false.
@@ -2608,7 +2611,7 @@
1.62D0
0.90D0
1.00D0
-1.50D0
+1.55D0
1.10D0
0.60D0
diff --git a/bld/namelist_files/use_cases/1850_cam_lt.xml b/bld/namelist_files/use_cases/1850_cam_lt.xml
index a361ddd5d5..410607c93a 100644
--- a/bld/namelist_files/use_cases/1850_cam_lt.xml
+++ b/bld/namelist_files/use_cases/1850_cam_lt.xml
@@ -7,7 +7,6 @@
FIXED
-atm/waccm/lb/CMIP7/LBC_17500116-20221216_CMIP7_0p5degLat_c250326.nc
1850
'CYCLICAL'
'CO2','CH4','N2O','CFC11','CFC12','CFC11eq'
diff --git a/bld/namelist_files/use_cases/1850_cam_mt.xml b/bld/namelist_files/use_cases/1850_cam_mt.xml
index 7286bc7c65..ce3ac3c227 100644
--- a/bld/namelist_files/use_cases/1850_cam_mt.xml
+++ b/bld/namelist_files/use_cases/1850_cam_mt.xml
@@ -7,7 +7,6 @@
FIXED
-atm/waccm/lb/CMIP7/LBC_17500116-20221216_CMIP7_0p5degLat_c250326.nc
1850
'CYCLICAL'
'CO2','CH4','N2O','CFC11','CFC12','CFC11eq'
diff --git a/bld/namelist_files/use_cases/1850_trop_strat_t4s_cam7.xml b/bld/namelist_files/use_cases/1850_trop_strat_t4s_cam7.xml
index b08fb78c11..bf255bfb24 100644
--- a/bld/namelist_files/use_cases/1850_trop_strat_t4s_cam7.xml
+++ b/bld/namelist_files/use_cases/1850_trop_strat_t4s_cam7.xml
@@ -6,7 +6,7 @@
atm/cam/inic/se/b.e30_alpha07c_cesm.B1850C_MTt4s.ne30_t232_wgx3.251.001.cam.i.0032-01-01_c260304.nc
-atm/cam/solar/SolarForcingCMIP7-4.6_18491230-20240101_sumEPP_c20250630.nc
+atm/cam/solar/SolarForcingCMIP7piControl_c20250103.nc
FIXED
18500701
@@ -18,31 +18,181 @@
CYCLICAL
1850
- 'num_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_num_so4_a1_anthro-ene_vertical_mol_175001-201412_ne30pg3_c20200103.nc',
- 'num_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_num_a1_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
- 'num_a2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_num_a2_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
- 'SO2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_SO2_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
- 'so4_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_so4_a1_anthro-ene_vertical_mol_175001-201412_ne30pg3_c20200103.nc',
- 'so4_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_so4_a1_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
- 'so4_a2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_so4_a2_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc'
+ 'bc_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/bc_a4-em-AIR-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'num_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_bc_a4-em-AIR-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'SO2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/SO2-em-AIR-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'so4_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/so4_a1_ene_vertical-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'num_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_so4_a1_ene_vertical-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'num_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_num_a1_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
+ 'num_a2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_num_a2_so4_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
+ 'so4_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_so4_a1_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
+ 'so4_a2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_so4_a2_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
+ 'SO2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/emissions-cmip6_SO2_contvolcano_vertical_850-5000_ne30pg3_c20200125.nc',
+ 'SO2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/historical_ne30pg3/utsvolcemis_CMIP-2-2-1_gn_17500101-20231120_ne30-0.5h_gauss_mass-scaling0.56-so2th10_alt-reduction_climo_iq_c250813.nc'
-CYCLICAL
-1850
+ CYCLICAL
+ 1850
+
+ 'bc_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/bc_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'bc_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/bc_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'pom_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/pom_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'pom_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/pom_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'num_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_bc_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'num_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/num_bc_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'num_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_pom_a4-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'num_a4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/num_pom_a4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'num_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_so4_a1_ag-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'num_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_so4_a1_ship_slv-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'num_a2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/num_so4_a2_res_trs-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'so4_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/so4_a1_ag_ship_slv-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'so4_a2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/so4_a2_res_trs-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'so4_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/SO4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'num_a1 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/num_SO4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'SO2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/SO2-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'SO2 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/SO2_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'BIGALK -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/BIGALK_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'BIGALK -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/BIGALK-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'C2H4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/C2H4_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'C2H4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/C2H4-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'C2H5OH -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/C2H5OH_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'C2H5OH -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/C2H5OH-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'C2H6 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/C2H6_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'C2H6 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/C2H6-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'C3H6 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/C3H6_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'C3H6 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/C3H6-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'C3H8 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/C3H8_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'C3H8 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/C3H8-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'CH2O -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/CH2O_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'CH2O -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/CH2O-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'CH3CHO -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/CH3CHO_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'CH3CHO -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/CH3CHO-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'CH3COCH3 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/CH3COCH3_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'CH3COCH3 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/CH3COCH3-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'CH3COCHO -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/CH3COCHO_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'CH3COOH -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/CH3COOH_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'CH3COOH -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/CH3COOH-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'CH3OH -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/CH3OH_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'CH3OH -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/CH3OH-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'CO -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/CO-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'CO -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/CO_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'ISOP -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/ISOP_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'TERP -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/MTERP_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'NH3 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/NH3-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'NH3 -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/NH3_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'NO -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/NO-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'NO -> $INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/NO_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'NO -> $INPUTDATA_ROOT/atm/cam/chem/emis/emissions_ssp585/emissions-cmip6-SSP_NO_other_surface_mol_175001-210101_0.9x1.25_c20190224.nc',
+ 'C2H4 -> $INPUTDATA_ROOT/atm/cam/chem/emis/emissions_ssp585/emissions-cmip6-SSP_C2H4_other_surface_mol_175001-210101_0.9x1.25_c20190224.nc',
+ 'C3H6 -> $INPUTDATA_ROOT/atm/cam/chem/emis/emissions_ssp585/emissions-cmip6-SSP_C3H6_other_surface_mol_175001-210101_0.9x1.25_c20190224.nc',
+ 'C3H8 -> $INPUTDATA_ROOT/atm/cam/chem/emis/emissions_ssp585/emissions-cmip6-SSP_C3H8_other_surface_mol_175001-210101_0.9x1.25_c20190224.nc',
+ 'C2H6 -> $INPUTDATA_ROOT/atm/cam/chem/emis/emissions_ssp585/emissions-cmip6-SSP_C2H6_other_surface_mol_175001-210101_0.9x1.25_c20190224.nc',
+ 'NH3 -> $INPUTDATA_ROOT/atm/cam/chem/emis/emissions_ssp585/emissions-cmip6-SSP_NH3_other_surface_mol_175001-210101_0.9x1.25_c20190224.nc',
+ 'SOAE -> 0.5954D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/ISOP_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'SOAE -> 2.5592D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/BENZENE_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'SOAE -> 2.5592D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/BENZENE-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'SOAE -> 8.5371D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251118/IVOC_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251118.nc',
+ 'SOAE -> 8.5371D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/IVOC-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'SOAE -> 16.650D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/SVOC_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'SOAE -> 16.650D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/SVOC-em-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18_gn_175001-202312_c20251030.nc',
+ 'SOAE -> 8.2367D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/TOLUENE_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'SOAE -> 8.2367D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/TOLUENE-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'SOAE -> 6.5013D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/XYLENES_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc',
+ 'SOAE -> 6.5013D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/CEDS-CMIP-2025-04-18_20251030/XYLENES-VOC-anthro_input4MIPs_emissions_CMIP_CEDS-CMIP-2025-04-18-supplemental_gn_175001-202312_c20251030.nc',
+ 'SOAE -> 5.1004D0*$INPUTDATA_ROOT/atm/cam/chem/emis/cmip7/ne30/DRES-CMIP-BB4CMIP7-2-0_smoothed_20251102/MTERP_smoothed_input4MIPs_emissions_CMIP_DRES-CMIP-BB4CMIP7-2-0_gn_175001-202112_c20251102.nc'
+
+
+
+2.0D0
CYCLICAL
1850
-atm/waccm/lb/LBC_17500116-25001216_CMIP6_SSP585_0p5degLat_c20200824.nc
- 'CCL4', 'CF2CLBR', 'CF3BR', 'CFC11', 'CFC113', 'CFC12', 'CH3BR', 'CH3CCL3', 'CH3CL', 'CH4', 'CO2', 'H2',
- 'HCFC22', 'N2O', 'CFC114', 'CFC115', 'HCFC141B', 'HCFC142B', 'H2402', 'OCS', 'SF6', 'CFC11eq'
+ 'CCL4', 'CF2CLBR', 'CF3BR', 'CFC11', 'CFC113', 'CFC12', 'CH3BR', 'CH3CCL3', 'CH3CL', 'CH4', 'CO2', 'H2',
+ 'HCFC22', 'N2O', 'CFC114', 'CFC115', 'HCFC141B', 'HCFC142B', 'CH2BR2', 'CHBR3', 'H2402', 'OCS', 'SF6', 'CFC11eq'
+
+
+share/meshes/ne16pg3_ESMFmesh_cdf5_c20211018.nc
+share/meshes/ne30pg3_ESMFmesh_cdf5_c20211018.nc
+ 90
+180
+
+
+ 0, 5, 20, 40, 12, 120, 73
+ 0, -24, -24, -3, 0, -2, -120
+ 2, 2, 2, 2, 2, 1, 2
+ .true., .true., .true., .true., .false., .true., .true.
+ 192, 192, 192, 192, 192, 192, 192
+ 288, 288, 288, 288, 288, 288, 288
+ 'A', 'A', 'A', 'I', 'A', 'I', 'I'
+
.true.
+ .true.
+.true.
+.true.
+
.false.
.false.
+
+ 'ACTNI','ACTNL','ACTREI','ACTREL','AQSO4_H2O2','AQSO4_O3','AQ_SO2','AREA','CAPE',
+ 'FCTI','FCTL','FLASHFRQ','FLDSC','FLNR','FREQZM','FSNR','GS_SO2','H2SO4_sfnnuc1',
+ 'OMEGA500','PRECT', 'SOLSD','SST','TFIX','TMDMS','TMO3','TMOCS','TMSO2',
+ 'TMso4_a1','TMso4_a2','TMso4_a3','TMso4_a5','TREFHTMX','TROP_P','TROP_T','TROP_Z',
+ 'UBOT','VBOT','WD_H2SO4','WD_SO2', 'bc_c1DDF','bc_c4DDF','dst_c1DDF',
+ 'dst_c2DDF','dst_c3DDF','ncl_c1DDF','ncl_c2DDF','ncl_c3DDF',
+ 'num_a2_sfnnuc1','num_c1DDF','num_c2DDF','num_c3DDF','num_c4DDF','pom_c1DDF',
+ 'pom_c4DDF', 'so4_a1_sfgaex1', 'so4_a2_sfgaex1',
+ 'so4_a2_sfnnuc1','so4_a3_sfgaex1','so4_a5_sfgaex1','so4_c1AQH2SO4','so4_c1AQSO4',
+ 'so4_c1DDF','so4_c2AQH2SO4','so4_c2AQSO4','so4_c2DDF','so4_c3AQH2SO4','so4_c3AQSO4',
+ 'so4_c3DDF','so4_c5AQH2SO4','soa_a1_sfgaex1','soa_a2_sfgaex1','soa_c1DDF','soa_c2DDF',
+ 'CMEIOUT','EVAPSNOW','FRZRDT','MELTSDT','MELTSTOT','MNUCCDO','MNUCCRIO','MNUCCRO',
+ 'MNUDEPO','NCSEDTEN','NHOMO','NISEDTEN','NMELTO','NMELTS','NNUCCCO','NNUCCDO',
+ 'NNUCCRIO','NNUCCRO','NNUCCTO','NNUDEPO','NPRACSO','NPRAIO','NPRAO','NPRCIO','NPRCO',
+ 'NPSACWSO','NRSEDTEN','NSACWIO','NSSEDTEN','PRACSO','QCSEDTEN','QCSEVAP','QISEDTEN',
+ 'QISEVAP','QVRES','VAPDEPSO','VTRMC','VTRMI',
+ 'BERGO','BERGSO','BROX','BROY','BRY','BTTGWSDF','BTTGWSKE','BTTGWSPEC','BUTGWSPEC',
+ 'CFC11_CHML','CFC12_CHML','CH3CCL3_CHML','CH4_CHML','CLOX','CLOY','CLY','CO2_CHML',
+ 'CO_CHML','CO_CHMP','CT_H2O','DCOCHM','DH2O2CHM','DHNO3CHM','DO3CHM','DQCORE','DTCORE',
+ 'Dso4_a1CHM','Dso4_a2CHM','Dso4_a3CHM','Dso4_a5CHM','EVAPPREC','EVAPQZM','EVAPTZM',
+ 'H2O_CHML','H2SO4M_C','HCL_GAS','HNO3_GAS','HNO3_NAT','HNO3_STS','HOMOO','LNO_PROD',
+ 'MASS','MELTO','MNUCCCO','MNUCCDOhet','MNUCCTO','MPDICE','MPDLIQ','MPDQ','MPDT',
+ 'MSACWIO','M_dens','N2O_CHML','NITROP_PD','NOX','NOY','O3S_Loss','O3_CHML','O3_CHMP',
+ 'O3_Loss','O3_Prod','O3_alkenes','OddOx_CLOxBROx_Loss','OddOx_HOx_Loss',
+ 'OddOx_Loss_Tot','OddOx_NOx_Loss','OddOx_Ox_Loss','OddOx_Prod_Tot','Ox_Loss','Ox_Prod',
+ 'PDELDRY','PM25','PM25_MMR','PRAIO','PRAO','PRCIO','PRCO','PSACWSO','PTEQ','PTTEND',
+ 'QCRESO','QIRESO','QRLC','QRSC','QTGW','RAD_ICE','RAD_LNAT','RAD_SULFC','RCO2_NO2_sum',
+ 'REFF_AERO','RO2_HO2_sum','RO2_NO3_sum','RO2_NO_sum','RO2_RO2_sum','SAD_AERO','SAD_ICE',
+ 'SAD_LNAT','SAD_SULFC','SAD_TROP','SNOWQM','SO2_CHML','SO2_CHMP','SO2_XFRC','SOAG_CHMP',
+ 'TAQ', 'TBRY','TCLY','TOTH','TTEND_TOT','TTGW','TTGWORO','TTGWSDF','TTGWSDFORO',
+ 'TTGWSKE','TTGWSKEORO','TTGWSPEC','VEL_NAT2','dgnumwet1','dgnumwet2','dgnumwet3',
+ 'jcl2o2','jh2o2','jno2','jo2_a','jo2_b','jo3_a','jo3_b','jpan','so4_a1_CHMP',
+ 'so4_a2_CHMP','soa_a1_CHML','soa_a2','soa_a2_CHML','UTGWORO','UTGWSPEC','UTGW_TOTAL',
+ 'VTGWORO','VTGW_TOTAL','ZMDQ','ZMDT','QRAIN','QSNOW','RCMTEND_CLUBB','RVMTEND_CLUBB',
+ 'STEND_CLUBB','CMFMC_DP','PINT','WPTHLP_CLUBB','WPRTP_CLUBB','KVH_CLUBB',
+
+
+
+ 'PRECT', 'PRECC', 'FLUT', 'U850', 'U200', 'V850', 'V200', 'OMEGA500', 'TS', 'SST', 'PSL', 'Z500'
+
+
+
+ 'PRECC','PRECL'
+
+
+
+ 'Uzm','Vzm','Wzm','THzm', 'VTHzm','WTHzm','UVzm','UWzm'
+
+
+
+ 'PS', 'PSL', 'PMID','PDELDRY','U', 'V', 'T', 'Z3', 'PHIS', 'FRONTGF:I', 'OMEGA', 'O3','REFF_AERO',
+ 'SAD_AERO', 'so4_a1', 'so4_a2', 'so4_a3', 'so4_a5', 'AODVISstdn', 'NITROP_PD', 'dgnumwet1', 'dgnumwet2',
+ 'dgnumwet3','dgnumwet5', 'CO2', 'H', 'NO', 'O'
+
+
diff --git a/bld/namelist_files/use_cases/hist_cam_lt.xml b/bld/namelist_files/use_cases/hist_cam_lt.xml
index c5496281a9..79da9c39c7 100644
--- a/bld/namelist_files/use_cases/hist_cam_lt.xml
+++ b/bld/namelist_files/use_cases/hist_cam_lt.xml
@@ -7,7 +7,6 @@
atm/cam/solar/SolarForcingCMIP7-4.6_18491230-20240101_sumEPP_c20250630.nc
-atm/waccm/lb/CMIP7/LBC_17500116-20221216_CMIP7_0p5degLat_c250326.nc
'SERIAL'
'CO2','CH4','N2O','CFC11','CFC12','CFC11eq'
diff --git a/bld/namelist_files/use_cases/hist_cam_mt.xml b/bld/namelist_files/use_cases/hist_cam_mt.xml
index 5faa24d9f5..da584cf842 100644
--- a/bld/namelist_files/use_cases/hist_cam_mt.xml
+++ b/bld/namelist_files/use_cases/hist_cam_mt.xml
@@ -7,7 +7,6 @@
atm/cam/solar/SolarForcingCMIP7-4.6_18491230-20240101_sumEPP_c20250630.nc
-atm/waccm/lb/CMIP7/LBC_17500116-20221216_CMIP7_0p5degLat_c250326.nc
'SERIAL'
'CO2','CH4','N2O','CFC11','CFC12','CFC11eq'
diff --git a/bld/namelist_files/use_cases/hist_trop_strat_t4s_cam7.xml b/bld/namelist_files/use_cases/hist_trop_strat_t4s_cam7.xml
index e3879c5f1d..90cd5513d9 100644
--- a/bld/namelist_files/use_cases/hist_trop_strat_t4s_cam7.xml
+++ b/bld/namelist_files/use_cases/hist_trop_strat_t4s_cam7.xml
@@ -15,10 +15,9 @@
SERIAL
-atm/waccm/lb/LBC_17500116-25001216_CMIP6_SSP585_0p5degLat_c20200824.nc
- 'CCL4', 'CF2CLBR', 'CF3BR', 'CFC11', 'CFC113', 'CFC12', 'CH3BR', 'CH3CCL3', 'CH3CL', 'CH4', 'CO2', 'H2',
- 'HCFC22', 'N2O', 'CFC114', 'CFC115', 'HCFC141B', 'HCFC142B', 'H2402', 'OCS', 'SF6', 'CFC11eq'
+ 'CCL4', 'CF2CLBR', 'CF3BR', 'CFC11', 'CFC113', 'CFC12', 'CH3BR', 'CH3CCL3', 'CH3CL', 'CH4', 'CO2', 'H2',
+ 'HCFC22', 'N2O', 'CFC114', 'CFC115', 'HCFC141B', 'HCFC142B', 'CH2BR2', 'CHBR3', 'H2402', 'OCS', 'SF6', 'CFC11eq'
diff --git a/bld/namelist_files/use_cases/waccm_ma_hist_cam7.xml b/bld/namelist_files/use_cases/waccm_ma_hist_cam7.xml
index 915ccd5245..358765b64b 100644
--- a/bld/namelist_files/use_cases/waccm_ma_hist_cam7.xml
+++ b/bld/namelist_files/use_cases/waccm_ma_hist_cam7.xml
@@ -22,10 +22,9 @@
SERIAL
-atm/waccm/lb/CMIP7/LBC_17500116-20221216_CMIP7_0p5degLat_c250326.nc
'CCL4', 'CF2CLBR', 'CF3BR', 'CFC11', 'CFC113', 'CFC12', 'CH3BR', 'CH3CCL3', 'CH3CL', 'CH4', 'CO2', 'H2',
- 'HCFC22', 'N2O', 'CFC114', 'CFC115', 'HCFC141B', 'HCFC142B', 'CH2BR2', 'CHBR3', 'H2402', 'OCS', 'CFC11eq'
+ 'HCFC22', 'N2O', 'CFC114', 'CFC115', 'HCFC141B', 'HCFC142B', 'CH2BR2', 'CHBR3', 'H2402', 'OCS', 'SF6', 'CFC11eq'
diff --git a/bld/namelist_files/use_cases/waccm_sc_hist_cam7.xml b/bld/namelist_files/use_cases/waccm_sc_hist_cam7.xml
index 32753d17ad..4f592c3886 100644
--- a/bld/namelist_files/use_cases/waccm_sc_hist_cam7.xml
+++ b/bld/namelist_files/use_cases/waccm_sc_hist_cam7.xml
@@ -18,7 +18,6 @@
SERIAL
-atm/waccm/lb/CMIP7/LBC_17500116-20221216_CMIP7_0p5degLat_c250326.nc
'CO2','CH4','N2O','CFC11','CFC12','CFC11eq'
diff --git a/cime_config/testdefs/testlist_cam.xml b/cime_config/testdefs/testlist_cam.xml
index 939f0d31f6..a4a3acc349 100644
--- a/cime_config/testdefs/testlist_cam.xml
+++ b/cime_config/testdefs/testlist_cam.xml
@@ -2022,6 +2022,16 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/doc/ChangeLog b/doc/ChangeLog
index e012f7f77d..8c95de1e3c 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,5 +1,163 @@
===============================================================
+Tag name: cam6_4_167
+Originator(s): fvitt
+Date: 23 Apr 2026
+One-line Summary: Updates for cam7 compsets
+Github PR URL: https://github.com/ESCOMP/CAM/pull/1534
+
+Purpose of changes (include the issue number and title text for each relevant GitHub issue):
+
+ Update LBC file for cam7 compsets #1539
+ Update default namelist settings for 1850 MTt4s and adjust default history fields #1527
+ Improve error messaging in O2 chemistry #1528
+
+Describe any changes made to build system: N/A
+
+Describe any changes made to the namelist: N/A
+
+List any changes to the defaults for the boundary datasets: N/A
+
+Describe any substantial timing or memory changes: N/A
+
+Code reviewed by: cacraigucar, tilmes, cecilehannay
+
+List all files eliminated: N/A
+
+List all files added and what they do: N/A
+
+List all existing files that have been modified, and describe the changes:
+
+M bld/namelist_files/namelist_defaults_cam.xml
+ - update cam7 default namelist settings
+
+M bld/namelist_files/use_cases/1850_cam_lt.xml
+M bld/namelist_files/use_cases/1850_cam_mt.xml
+M bld/namelist_files/use_cases/hist_cam_lt.xml
+M bld/namelist_files/use_cases/hist_cam_mt.xml
+M bld/namelist_files/use_cases/waccm_sc_hist_cam7.xml
+ - default LBC file is now specified in namelist_defaults_cam.xml
+
+M bld/namelist_files/use_cases/1850_trop_strat_t4s_cam7.xml
+ - namelist updates for 1850 MTt4s
+
+M bld/namelist_files/use_cases/waccm_ma_hist_cam7.xml
+M bld/namelist_files/use_cases/hist_trop_strat_t4s_cam7.xml
+ - update flbc_list
+
+M cime_config/testdefs/testlist_cam.xml
+ - add test for 1850 MTt4s
+
+M src/chemistry/mozart/mo_jshort.F90
+ - improve error checking and reporting
+
+M src/physics/cam/aerosol_optics_cam.F90
+ - modify history_aero_optics default fields
+
+M src/physics/cam/ndrop.F90
+ - include CCN4 in history_amwg default fields
+
+If there were any failures reported from running test_driver.sh on any test
+platform, and checkin with these failures has been OK'd by the gatekeeper,
+then copy the lines from the td.*.status files for the failed tests to the
+appropriate machine below. All failed tests must be justified.
+
+derecho/intel/aux_cam:
+
+ DIFF ERC_D_Ln9.mpasa120_mpasa120.FHISTC_LTso.derecho_intel.cam-outfrq9s_mpasa120
+ DIFF ERP_D_Ln9.ne30pg3_ne30pg3_mt232.F1850C_MTso.derecho_intel.cam-outfrq9s
+ DIFF ERP_Ld3.ne16pg3_ne16pg3_mg17.FHISTC_WAt1ma.derecho_intel.cam-reduced_hist1d
+ DIFF ERP_Ld3.ne30pg3_ne30pg3_mt232.FHISTC_MTt4s.derecho_intel.cam-outfrq1d_aoa
+ DIFF ERR_Ln9.ne16pg3_ne16pg3_mt232.FHISTC_LTso.derecho_intel.cam-outfrq9s_bwic
+ DIFF ERS_Ln9.ne30pg3_ne30pg3_mg17.FHISTC_WXma.derecho_intel.cam-outfrq9s_ctem
+ DIFF SMS_C2_D_Ln9.ne16pg3_ne16pg3_mg17.FHISTC_WXma.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9.ne30pg3_ne30pg3_mt232.FHISTC_MTso.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9_P1280x1.ne30pg3_ne30pg3_mt232.FHISTC_MTt1s.derecho_intel.cam-outfrq9s_Leung_dust
+ DIFF ERP_Ln9.ne30pg3_ne30pg3_mg17.FHISTC_WAma.derecho_intel.cam-outfrq9s
+ - expected differences due to updates in LBC file and seasalt_emis_scale factor
+
+ DIFF SMS_D_Ln9.ne30pg3_ne30pg3_mt232.1850C_CAM70%MT%CT4S2_CLM60%SP_CICE%PRES_DOCN%DOM_MOSART_SGLC_SWAV_SESP.derecho_intel.cam-outfrq9s
+ - new test -- no baselines to compare against
+
+ DIFF ERC_D_Ln9.f09_f09_mt232.FHIST_BDRD.derecho_intel.cam-outfrq9s
+ DIFF ERC_D_Ln9.f19_f19_mt232.QPC6.derecho_intel.cam-outfrq3s_cosp
+ DIFF ERC_D_Ln9.mpasa120_mpasa120.F2000climo.derecho_intel.cam-outfrq9s_mpasa120
+ DIFF ERC_Ln9.C96_C96_mt232.F2000climo.derecho_intel.cam-outfrq9s
+ DIFF ERI_D_Ln18.f09_f09_mt232.FHIST.derecho_intel.cam-outfrq3s_eri
+ DIFF ERI_D_Ln18.f19_f19_mt232.FHIST_C5.derecho_intel.cam-outfrq3s_eri
+ DIFF ERP_D_Ln9_P64x2.f09_f09_mg17.QSC6.derecho_intel.cam-outfrq9s
+ DIFF ERP_Ln9.f09_f09_mg17.FCSD_HCO.derecho_intel.cam-outfrq9s
+ DIFF ERP_Ln9.f19_f19_mg17.FWsc1850.derecho_intel.cam-outfrq9s
+ DIFF ERP_Ln9.ne30pg3_ne30pg3_mg17.FCnudged.derecho_intel.cam-outfrq9s
+ DIFF ERS_Ln9.f09_f09_mg17.FX2000.derecho_intel.cam-outfrq9s
+ DIFF ERS_Ln9.f19_f19_mg17.FXSD.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9.f09_f09_mg17.FCts2nudged.derecho_intel.cam-outfrq9s_leapday
+ DIFF SMS_D_Ln9.f09_f09_mg17.FCvbsxHIST.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9.f09_f09_mg17.FSD.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9.f19_f19_mg17.FCARMA2000climo.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9.f19_f19_mg17.FCHIST_SLH.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9.f19_f19_mg17.FWma2000climo.derecho_intel.cam-outfrq9s
+ DIFF SMS_D_Ln9.f19_f19_mg17.FWma2000climo.derecho_intel.cam-outfrq9s_waccm_ma_mam4
+ DIFF SMS_D_Ln9.f19_f19_mg17.QPC2000climo.derecho_intel.cam-outfrq3s_usecase
+ DIFF SMS_D_Ln9.f19_f19_mt232.FHIST_C5.derecho_intel.cam-mam7
+ DIFF SMS_D_Ln9.ne0ARCTICne30x4_ne0ARCTICne30x4_mt12.FHIST.derecho_intel.cam-outfrq9s
+ DIFF SMS_Ld1.f09_f09_mg17.FCHIST_GC.derecho_intel.cam-outfrq1d
+ DIFF SMS_Ld1.f09_f09_mg17.FW2000climo.derecho_intel.cam-outfrq1d
+ DIFF SMS_Ld1.ne30pg3_ne30pg3_mg17.FC2010climo.derecho_intel.cam-outfrq1d
+ DIFF SMS_Lh12.f09_f09_mg17.FCSD_HCO.derecho_intel.cam-outfrq3h
+ DIFF SMS_Ln9.ne30pg3_ne30pg3_mg17.FW2000climo.derecho_intel.cam-outfrq9s_rrtmgp
+ DIFF SMS_D_Ln9_P1536x1.ne0CONUSne30x8_ne0CONUSne30x8_mt12.FCHIST.derecho_intel.cam-outfrq9s
+ - differ only in field list, otherwise bit-for-bit
+
+derecho/nvhpc/aux_cam:
+ FAIL ERS_Ln9.ne30pg3_ne30pg3_mt232.FHISTC_LTso.derecho_nvhpc.cam-outfrq9s_gpu_default COMPARE_base_rest
+ - pre-existing restart test failure
+
+ FAIL ERS_Ln9.ne30pg3_ne30pg3_mt232.FHISTC_LTso.derecho_nvhpc.cam-outfrq9s_gpu_default NLCOMP
+ FAIL ERS_Ln9.ne30pg3_ne30pg3_mt232.FHISTC_LTso.derecho_nvhpc.cam-outfrq9s_gpu_default BASELINE /glade/campaign/cesm/community/amwg/cam_baselines/cam6_4_166_nvhpc: DIFF
+ - expected differences due to updates in LBC file and seasalt_emis_scale factor
+
+izumi/nag/aux_cam:
+ FAIL ERC_D_Ln9.f10_f10_mt232.FHIST_C5.izumi_nag.cam-outfrq3s_subcol
+ - pre-existing failure -- see https://github.com/ESCOMP/CAM/issues/1514
+
+ DIFF ERC_D_Ln9.ne3pg3_ne3pg3_mt232.FHISTC_LTso.izumi_nag.cam-outfrq9s_nochem
+ DIFF ERC_D_Ln9.ne3pg3_ne3pg3_mt232.FHISTC_LTso.izumi_nag.cam-cosp_rad_diags
+ - expected differences due to updates in LBC file and seasalt_emis_scale factor
+
+ DIFF ERC_D_Ln9.f10_f10_mg37.QPWmaC6.izumi_nag.cam-outfrq3s
+ DIFF ERC_D_Ln9.f10_f10_mt232.FHIST.izumi_nag.cam-outfrq3s_cospsathist
+ DIFF SMS_D_Ln9.f10_f10_mt232.F1850.izumi_nag.cam-outfrq9s
+ DIFF TMC_D_Ln9.f10_f10_mt232.FHIST_C5.izumi_nag.cam-mc_ttrac
+ - differ only in field list, otherwise bit-for-bit
+
+izumi/gnu/aux_cam:
+ DIFF ERC_D_Ln9.C48_C48_mg17.QPC6.izumi_gnu.cam-outfrq9s
+ DIFF ERC_D_Ln9.f10_f10_mg37.QPC4.izumi_gnu.cam-outfrq3s_diags
+ DIFF ERC_D_Ln9.f19_f19_mt232.FHIST.izumi_gnu.cam-lonlat_fv_diags
+ DIFF ERC_D_Ln9.ne3pg3_ne3pg3_mt232.FHIST_C5.izumi_gnu.cam-carma_cosp_rad_diag_mam
+ DIFF ERC_D_Ln9.ne3pg3_ne3pg3_mt232.QPC5.izumi_gnu.cam-outfrq9s
+ DIFF ERS_Ln9_P24x1.mpasa480_mpasa480.F2000climo.izumi_gnu.cam-outfrq9s_mpasa480
+ DIFF PLB_D_Ln9.f10_f10_mt232.FHIST_C5.izumi_gnu.cam-ttrac_loadbal0
+ DIFF PLB_D_Ln9.f10_f10_mt232.FHIST_C5.izumi_gnu.cam-ttrac_loadbal1
+ DIFF PLB_D_Ln9.f10_f10_mt232.FHIST_C5.izumi_gnu.cam-ttrac_loadbal3
+ DIFF SMS_D_Ln9.f10_f10_mg37.FWmaHIST.izumi_gnu.cam-outfrq9s_mee_fluxes
+ DIFF SUB_D_Ln9.ne3pg3_ne3pg3_mt232.FHIST.izumi_gnu.cam-outfrq9s
+ - differ only in field list, otherwise bit-for-bit
+
+ DIFF ERC_D_Ln9.mpasa480_mpasa480_mt232.FHISTC_LTso.izumi_gnu.cam-outfrq9s_mpasa480
+ DIFF ERC_D_Ln9.ne3pg3_ne3pg3_mt232.FHISTC_LTso.izumi_gnu.cam-sat_lcltod
+ - expected differences due to updates in LBC file and seasalt_emis_scale factor
+
+ NLFAIL SMS_D_Ln3.ne3pg3_ne3pg3_mt232.PC7.izumi_gnu.cam-pc7_ne3pg3
+ - new LBC file
+
+Summarize any changes to answers:
+ Large than round-off due to updates in LBC file and seasalt_emis_scale factor
+
+===============================================================
+===============================================================
+
Tag name: cam6_4_166
Originator(s): huebleruwm, adamrher, cacraigucar
Date: April 21, 2026
diff --git a/src/chemistry/mozart/mo_jshort.F90 b/src/chemistry/mozart/mo_jshort.F90
index 6d16867e80..703d217368 100644
--- a/src/chemistry/mozart/mo_jshort.F90
+++ b/src/chemistry/mozart/mo_jshort.F90
@@ -227,7 +227,7 @@ subroutine get_crs( xs_short_file, sht_indexer )
else
write(iulog,*) 'get_crs : ',rxt_tag_lst(m)(:len_trim(rxt_tag_lst(m))),' alias ', &
pht_alias_lst(m,1)(:len_trim(pht_alias_lst(m,1))),' not in dataset'
- call endrun
+ call endrun('mo_jshort::get_crs error')
end if
end if
end do
@@ -315,7 +315,7 @@ subroutine get_crs( xs_short_file, sht_indexer )
deallocate( xs_species )
if( ndx /= nj ) then
write(iulog,*) 'get_crs : ndx count /= cross section count'
- call endrun
+ call endrun('mo_jshort::get_crs: ndx count /= cross section count')
end if
!------------------------------------------------------------------------------
! ... get jo3 cross sections
@@ -385,6 +385,7 @@ subroutine xs_init(xs_coef_file)
integer :: istat ! i/o status
integer :: i, j
character(len=256) :: locfn
+ character(len=256) :: errstr
!----------------------------------------------------------------------
! ... Get first strato photo rate file
@@ -403,8 +404,8 @@ subroutine xs_init(xs_coef_file)
!----------------------------------------------------------------------
! ... Open error exit
!----------------------------------------------------------------------
- write(iulog,*) 'xs_init: error ',istat,' opening file ',trim(locfn)
- call endrun
+ write(errstr,*) 'mo_jshort::xs_init: error ',istat,' opening file ',trim(locfn)
+ call endrun(trim(errstr))
end if
!----------------------------------------------------------------------
! ... read file
@@ -414,7 +415,7 @@ subroutine xs_init(xs_coef_file)
read(unit,903,iostat=istat) ac(i,:)
if( istat /= 0 ) then
write(iulog,*) 'xs_init: error ',istat,' reading ac'
- call endrun
+ call endrun('mo_jshort::xs_init read file error')
end if
end do
@@ -422,8 +423,8 @@ subroutine xs_init(xs_coef_file)
do i = 1,20
read(unit,903,iostat=istat) bc(i,:)
if( istat /= 0 ) then
- write(iulog,*) 'xs_init: error ',istat,' reading bc'
- call endrun
+ write(errstr,*) 'xs_init: error ',istat,' reading bc'
+ call endrun(trim(errstr))
end if
end do
close( unit )
@@ -619,6 +620,9 @@ subroutine jshort_hrates( nlev, zen, o2_vmr, o3_vmr, o2cc, &
real(r8) :: tsrb(nlev,nsrbtuv) ! Transmission in the SRB
real(r8) :: xs_o2srb(nlev,nsrbtuv) ! Cross section * QY for O2 in SRB
+ ! check for realistic O2 concentrations
+ call check_o2_col( o2cc )
+
allocate( fnorm(nlev,nw),stat=astat )
if( astat /= 0 ) then
call alloc_err( astat, 'jshort_hrates', 'fnorm', nw*nlev )
@@ -944,6 +948,9 @@ subroutine jshort_photo( nlev, zen, n2cc, o2cc, o3cc, &
real(r8) :: tsrb(nlev,nsrbtuv) ! Transmission in the SRB
real(r8) :: xs_o2srb(nlev,nsrbtuv) ! Cross section * QY for O2 in SRB
+ ! check for realistic O2 concentrations
+ call check_o2_col( o2cc )
+
allocate( fnorm(nlev,nw),stat=astat )
if( astat /= 0 ) then
call alloc_err( astat, 'jshort_photo', 'fnorm', nw*nlev )
@@ -1487,6 +1494,7 @@ subroutine calc_o2srb( nlev, nid, o2col, tlev, tsrb, xscho2 )
real(r8) :: dtsrb(nlev)
real(r8) :: tsrb_rev(nlev,nsrbtuv)
real(r8) :: xs(nsrbtuv)
+ character(len=256) :: errstr
!------------------------------------------------------------------------------
! ... Calculate cross sections
@@ -1562,8 +1570,8 @@ subroutine calc_o2srb( nlev, nid, o2col, tlev, tsrb, xscho2 )
term1 = log( xscho2(k+1,i)/xscho2(k,i) )
term2 = log( o2col(k+1)/o2col(k) )
if( term2 == 0._r8 ) then
- write(iulog,*) 'calc_o2srb : o2col(k:k+1),xscho2(k:k+1,i) = ',o2col(k:k+1),xscho2(k:k+1,i),' @ i,k = ',i,k
- call endrun
+ write(errstr,*) 'calc_o2srb : o2col(k:k+1),xscho2(k:k+1,i) = ',o2col(k:k+1),xscho2(k:k+1,i),' @ i,k = ',i,k
+ call endrun(trim(errstr))
end if
den = 1._r8 + log( xscho2(k+1,i)/xscho2(k,i) )/log( o2col(k+1)/o2col(k) )
dto2 = abs(num/den)
@@ -1870,4 +1878,15 @@ end function pjno
end subroutine calc_jno
+ !----------------------------------------------------------------
+ subroutine check_o2_col( o2cc )
+ real(r8), intent(in) :: o2cc(:) ! o2 conc (mol/cm^3)
+
+ if (maxval(o2cc)<1.0_r8) then
+ write(*,*) 'mo_jshort input O2 (mol/cm^3): ',o2cc
+ call endrun('mo_jshort -- unrealistic O2 concentrations needed for absorption')
+ end if
+
+ end subroutine check_o2_col
+
end module mo_jshort
diff --git a/src/physics/cam/aerosol_optics_cam.F90 b/src/physics/cam/aerosol_optics_cam.F90
index 95e27479cf..025ed48974 100644
--- a/src/physics/cam/aerosol_optics_cam.F90
+++ b/src/physics/cam/aerosol_optics_cam.F90
@@ -312,49 +312,31 @@ subroutine aerosol_optics_cam_init
burden_fields(n)%name(m) = fldname
write(lngname,'(a,i2.2)') 'Aerosol burden bin ', m
call addfld (fldname, horiz_only, 'A', 'kg/m2', lngname, flag_xyfill=.true.)
- if (history_aero_optics) then
- call add_default (fldname, 1, ' ')
- end if
fldname = 'AOD_'//trim(aprops%bin_name(bin_ndx=m))
aodbin_fields(n)%name(m) = fldname
lngname = 'Aerosol optical depth, day only, 550 nm, '//trim(aprops%bin_name(bin_ndx=m))
call addfld (aodbin_fields(n)%name(m), horiz_only, 'A', ' ', lngname, flag_xyfill=.true.)
- if (history_aero_optics) then
- call add_default (fldname, 1, ' ')
- end if
write(fldname,'(a,i2.2)') 'AODDUST', cnt
aoddust_fields(n)%name(m) = fldname
write(lngname,'(a,i2,a)') 'Aerosol optical depth, day only, 550 nm mode ',m,' from dust'
call addfld (aoddust_fields(n)%name(m), horiz_only, 'A', ' ', lngname, flag_xyfill=.true.)
- if (history_aero_optics) then
- call add_default (fldname, 1, ' ')
- end if
write(fldname,'(a,i2.2)') 'BURDENdn', cnt
burdendn_fields(n)%name(m) = fldname
write(lngname,'(a,i2)') 'Aerosol burden, day night, bin ', m
call addfld (burdendn_fields(n)%name(m), horiz_only, 'A', 'kg/m2', lngname, flag_xyfill=.true.)
- if (history_aero_optics) then
- call add_default (fldname, 1, ' ')
- end if
fldname = 'AODdn_'//trim(aprops%bin_name(bin_ndx=m))
aodbindn_fields(n)%name(m) = fldname
lngname = 'Aerosol optical depth 550 nm, day night, '//trim(aprops%bin_name(bin_ndx=m))
call addfld (aodbindn_fields(n)%name(m), horiz_only, 'A', ' ', lngname, flag_xyfill=.true.)
- if (history_aero_optics) then
- call add_default (fldname, 1, ' ')
- end if
write(fldname,'(a,i2.2)') 'AODdnDUST', cnt
aoddustdn_fields(n)%name(m) = fldname
write(lngname,'(a,i2,a)') 'Aerosol optical depth 550 nm, day night, bin ',m,' from dust'
call addfld (aoddustdn_fields(n)%name(m), horiz_only, 'A', ' ', lngname, flag_xyfill=.true.)
- if (history_aero_optics) then
- call add_default (fldname, 1, ' ')
- end if
end do
@@ -434,51 +416,20 @@ subroutine aerosol_optics_cam_init
end if
if (history_aero_optics) then
- call add_default ('AODDUST01' , 1, ' ')
- call add_default ('AODDUST03' , 1, ' ')
- call add_default ('ABSORB' , 1, ' ')
- call add_default ('AODVIS' , 1, ' ')
- call add_default ('AODUV' , 1, ' ')
- call add_default ('AODNIR' , 1, ' ')
- call add_default ('AODABS' , 1, ' ')
- call add_default ('AODABSBC' , 1, ' ')
- call add_default ('AODDUST' , 1, ' ')
- call add_default ('AODSO4' , 1, ' ')
- call add_default ('AODPOM' , 1, ' ')
- call add_default ('AODSOA' , 1, ' ')
- call add_default ('AODBC' , 1, ' ')
- call add_default ('AODSS' , 1, ' ')
- call add_default ('BURDEN01' , 1, ' ')
- call add_default ('BURDEN02' , 1, ' ')
- call add_default ('BURDEN03' , 1, ' ')
- call add_default ('BURDENDUST' , 1, ' ')
- call add_default ('BURDENSO4' , 1, ' ')
- call add_default ('BURDENPOM' , 1, ' ')
- call add_default ('BURDENSOA' , 1, ' ')
- call add_default ('BURDENBC' , 1, ' ')
- call add_default ('BURDENSEASALT', 1, ' ')
- call add_default ('SSAVIS' , 1, ' ')
- call add_default ('EXTINCT' , 1, ' ')
- call add_default ('AODxASYM' , 1, ' ')
- call add_default ('EXTxASYM' , 1, ' ')
-
- call add_default ('AODdnDUST01' , 1, ' ')
- call add_default ('AODdnDUST03' , 1, ' ')
+ call add_default ('AODABSdn' , 1, ' ')
call add_default ('ABSORBdn' , 1, ' ')
call add_default ('AODVISdn' , 1, ' ')
+ call add_default ('AODVISstdn' , 1, ' ')
call add_default ('AODUVdn' , 1, ' ')
- call add_default ('AODNIRdn' , 1, ' ')
+ call add_default ('AODUVstdn' , 1, ' ')
+ call add_default ('AODNIRstdn' , 1, ' ')
call add_default ('AODABSdn' , 1, ' ')
- call add_default ('AODABSBCdn' , 1, ' ')
call add_default ('AODDUSTdn' , 1, ' ')
call add_default ('AODSO4dn' , 1, ' ')
call add_default ('AODPOMdn' , 1, ' ')
call add_default ('AODSOAdn' , 1, ' ')
call add_default ('AODBCdn' , 1, ' ')
call add_default ('AODSSdn' , 1, ' ')
- call add_default ('BURDENdn01' , 1, ' ')
- call add_default ('BURDENdn02' , 1, ' ')
- call add_default ('BURDENdn03' , 1, ' ')
call add_default ('BURDENDUSTdn' , 1, ' ')
call add_default ('BURDENSO4dn' , 1, ' ')
call add_default ('BURDENPOMdn' , 1, ' ')
@@ -487,7 +438,8 @@ subroutine aerosol_optics_cam_init
call add_default ('BURDENSEASALTdn', 1, ' ')
call add_default ('SSAVISdn' , 1, ' ')
call add_default ('EXTINCTdn' , 1, ' ')
- call add_default ('AODxASYMdn' , 1, ' ')
+ call add_default ('EXTINCTUVdn' , 1, ' ')
+ call add_default ('EXTINCTNIRdn' , 1, ' ')
call add_default ('EXTxASYMdn' , 1, ' ')
end if
diff --git a/src/physics/cam/ndrop.F90 b/src/physics/cam/ndrop.F90
index 3a2bed88c3..68894e625a 100644
--- a/src/physics/cam/ndrop.F90
+++ b/src/physics/cam/ndrop.F90
@@ -165,6 +165,7 @@ subroutine ndrop_init(aero_props)
! set the add_default fields
if (history_amwg) then
call add_default('CCN3', 1, ' ')
+ call add_default('CCN4', 1, ' ')
endif
end subroutine ndrop_init