diff --git a/cime_config/namelist_definition_drv.xml b/cime_config/namelist_definition_drv.xml
index abd806f6..429d42c0 100644
--- a/cime_config/namelist_definition_drv.xml
+++ b/cime_config/namelist_definition_drv.xml
@@ -1478,7 +1478,7 @@
Auxiliary mediator a2x dynamic, radiation, and precipitation fields history output every 3 hours
- Sa_z:Sa_topo:Sa_u:Sa_v:Sa_tbot:Sa_ptem:Sa_shum:Sa_dens:Sa_pbot:Sa_pslv:Faxa_lwdn:Faxa_rainc:Faxa_rainl:Faxa_snowc:Faxa_snowl:Faxa_swndr:Faxa_swvdr:Faxa_swndf:Faxa_swvdf:Sa_co2diag:Sa_co2prog
+ Sa_z:Sa_topo:Sa_u:Sa_v:Sa_tbot:Sa_ptem:Sa_shum:Sa_dens:Sa_pbot:Sa_pslv:Faxa_lwdn:Faxa_rainc:Faxa_rainl:Faxa_snowc:Faxa_snowl:Faxa_swndr:Faxa_swvdr:Faxa_swndf:Faxa_swvdf:Sa_co2prog
@@ -1543,7 +1543,7 @@
MED_attributes
Auxiliary mediator a2x aerosol and ghg history output daily or endofrun
- Faxa_bcph:Faxa_ocph:Faxa_dstwet:Faxa_dstdry:Sa_co2prog:Sa_co2diag
+ Faxa_bcph:Faxa_ocph:Faxa_dstwet:Faxa_dstdry:Faxa_ndep:Sa_co2diag
@@ -1552,7 +1552,7 @@
MED_attributes
history option type
- nhours
+ ndays
@@ -1561,7 +1561,7 @@
MED_attributes
history option span
- 3
+ 1
@@ -1579,7 +1579,7 @@
MED_attributes
Number of time samples per file.
- 2
+ 1