Converting CAM Fields to CCPP Standard Names

The tables below attempt to document existing CAM fields and give the equivalent CCPP Standard Name. Type names (e.g., state, ptend) are included to make identification easier. pbuf fields only include the pbuf name.

• Constants
• CAM state and ptend variables
• Master Standard Name Dictionary

Constants

Constant	CCPP Standard Name
avogad	avogadro_number
boltz	boltzmann_constant
cday	seconds_in_calendar_day
cpair	specific_heat_of_dry_air_at_constant_pressure
cpliq	specific_heat_of_liquid_water_at_20c
latvap	latent_heat_of_vaporization_of_water_at_0c

CAM state variables

CAM Variable	CCPP CAM Standard Name
state%lat	latitude
state%lon	longitude
state%ps	surface_air_pressure
state%psdry	surface_pressure_of_dry_air
state%phis	surface_geopotential
state%t	air_temperature
state%u	x_wind
state%v	y_wind
state%s	dry_static_energy
state%omega	lagrangian_tendency_of_air_pressure
state%pmid	air_pressure
state%pmiddry	air_pressure_of_dry_air
state%pdel	air_pressure_thickness
state%pdeldry	air_pressure_thickness_of_dry_air
state%rpdel	reciprocal_of_air_pressure_thickness
state%rpdeldry	reciprocal_of_air_pressure_thickness_of_dry_air
state%lnpmid	ln_air_pressure
state%lnpmiddry	ln_air_pressure_of_dry_air
state%exner	reciprocal_of_dimensionless_exner_function_wrt_surface_air_pressure
state%zm	geopotential_height
state%pint	air_pressure_at_interface
state%pintdry	air_pressure_of_dry_air_at_interface
state%lnpint	ln_air_pressure_at_interface
state%lnpintdry	ln_air_pressure_of_dry_air_at_interface
state%zi	geopotential_height_at_interface
state%te_ini	CAM: vertically integrated total (kinetic + static) energy of initial state
state%te_cur	CAM: vertically integrated total (kinetic + static) energy of current state
state%tw_ini	CAM: vertically integrated total water of initial state
state%tw_cur	CAM: vertically integrated total water of new state
state%count	CAM: count of values with significant energy or water imbalances

Need state%q names

CAM ptend variables

CAM Variable	CCPP Standard Name
ptend%s	heating_rate
ptend%u	tendency_of_x_wind
ptend%v	tendency_of_y_wind
ptend%top_level	CAM: top level index of non-zero tendencies
ptend%bot_level	CAM: bottom level index of non-zero tendencies
ptend%hflx_srf	CAM: net heat flux at surface (W/m2)
ptend%hflx_top	CAM: net heat flux at top of model (W/m2)
ptend%taux_srf	CAM: net zonal stress at surface (Pa)
ptend%taux_top	CAM: net zonal stress at top of model (Pa)
ptend%tauy_srf	CAM: net meridional stress at surface (Pa)
ptend%taut_top	CAM: net meridional stress at top of model (Pa)

Need ptend%cflx_srf and ptend%cflx_top names