OCEAN variable conversion table

	E3SM variable name	CMIP variable name	conversion	units CMIP/E3SM	variable long name CMIP/E3SM	CF Standard Name	Conversion Formula Verified by Scientist (scientist name)	Notes
1	NA	masso	sum(config_density0* timeMonthly_avg_layerThickness* areaCell) config_density0 = 1026.0 kg/m3	kg	Sea Water Mass	sea_water_mass	No
2		pbo	pso (next line) + verticalSum(timeMonthly_avg_layerThickness* timeMonthly_avg_density)*gravity config_density0 = 1026.0 kg/m3 gravity = 9.80616	Pa	Sea Water Pressure at Sea floor	sea_water_pressure_at_sea_floor	No
3		pso	seaIcePressure + atmosphericPressure where seaIcePressure = (timeMonthly_avg_pressureAdjustedSSH - timeMonthly_avg_ssh)config_density0gravity and atmosphericPressure = PSL from CAM config_density0 = 1026.0 kg/m3 gravity = 9.80616	Pa	Sea Water Pressure at Sea Water Surface	sea_water_pressure_at_sea_water_surface	No
4		volo	sum(timeMonthly_avg_layerThickness* areaCell)	m3	Sea Water Volume	sea_water_volume	No
5		zos	timeMonthly_avg_pressureAdjustedSSH - sshAvg sshAvg = sum(timeMonthly_avg_pressureAdjustedSSH*areaCell)/ sum(areaCell)	m	Sea Surface Height Above Geoid	sea_surface_height_above_geoid	No
6		masscello	config_density0* timeMonthly_avg_layerThickness config_density0 = 1026.0 kg/m3	kg m-2	Ocean Grid-Cell Mass per area	sea_water_mass_per_unit_area	No
7	timeMonthly_avg_activeTracers_temperature	thetao		degC	Sea Water Potential Temperature	sea_water_potential_temperature	No
8		thetaoga	sum(timeMonthly_avg_activeTracers_temperature* timeMonthly_avg_layerThickness * areaCell)/volo	degC	Global Average Sea Water Potential Temperature	sea_water_potential_temperature	No
9		tos	timeMonthly_avg_activeTracers_temperature (nVertLevels=1)	degC	Sea Surface Temperature	sea_surface_temperature	No
10		tob	timeMonthly_avg_activeTracers_temperature (nVertLevels=maxLevelCell(nCells)) maxLevelCell is available in initial condition and restart files	degC	Sea Water Potential Temperature at Sea Floor	sea_water_potential_temperature_at_sea_floor	No
11		tosga	sum( timeMonthly_avg_activeTracers_temperature (nVertLevels=1)* areaCell)/sum(areaCell)	degC	Global Average Sea Surface Temperature	sea_surface_temperature	No
12	timeMonthly_avg_activeTracers_salinity	so			Sea Water Salinity	sea_water_salinity	No
13		soga	sum(timeMonthly_avg_activeTracers_salinity* timeMonthly_avg_layerThickness * areaCell)/volo		Global Mean Sea Water Salinity	sea_water_salinity	No
14		sos	timeMonthly_avg_activeTracers_salinity( nVertLevels=1)		Sea Surface Salinity	sea_surface_salinity	No
15		sob	timeMonthly_avg_activeTracers_salinity (nVertLevels=maxLevelCell(nCells)) maxLevelCell is available in initial condition and restart files		Sea water Salinity at Sea Floor	sea_water_salinity_at_sea_floor	No
16		sosga	sum(timeMonthly_avg_activeTracers_salinity (nVertLevels=1)* areaCell)/sum(areaCell)		Global Average Sea Surface Salinity	sea_surface_salinity	No
17	timeMonthly_avg_tThreshMLD	mlotst		m	Ocean Mixed Layer Thickness Defined by Sigma T	ocean_mixed_layer_thickness_defined_by_sigma_t	No
18	timeMonthly_avg_velocityZonal	uo		m s-1	Sea Water X Velocity	sea_water_x_velocity	No
19	timeMonthly_avg_velocityMeridional	vo		m s-1	Sea Water Y Velocity	sea_water_y_velocity	No
20		wo	timeMonthly_avg_vertVelocityTop needs different vertical coordinate	m s-1	Sea Water Vertical Velocity	upward_sea_water_velocity	No
21		wmo	(timeMonthly_avg_vertVelocityTop + timeMonthly_avg_vertGMBolusVelocityTop) * areaCell * config_density0 needs different vertical coordinate	kg s-1	Upward Ocean Mass Transport	upward_ocean_mass_transport		Makes sense only on the native grid
22		umo	X-ward mass transport from residual mean (resolved plus parameterized) advective transport.	kg s-1	Ocean Mass X Transport	ocean_mass_x_transport		Makes sense only on the native grid
23		vmo	Y-ward mass transport from residual mean (resolved plus parameterized) advective transport.	kg s-1	Ocean Mass Y Transport	ocean_mass_y_transport		Makes sense only on the native grid
24		msftmz		kg s-1	Ocean Meridional Overturning Mass Streamfunction	ocean_meridional_overturning_mass_streamfunction	No
25		hfbasin	Formula needed – not sure if data is available.	W	Northward Ocean Heat Transport	northward_ocean_heat_transport
26	timeMonthly_avg_seaIceFreshWaterFlux	fsitherm		kg m-2 s-1	Water Flux into Sea Water due to Sea Ice Thermodynamics	water_flux_into_sea_water_due_to_sea_ice_thermodynamics	No
27		wfo	timeMonthly_avg_seaIceFreshWaterFlux + timeMonthly_avg_riverRunoffFlux + timeMonthly_avg_iceRunoffFlux + timeMonthly_avg_rainFlux + timeMonthly_avg_snowFlux	kg m-2 s-1	Water Flux into Sea Water	water_flux_into_sea_water	No
28	timeMonthly_avg_seaIceSalinityFlux	sfdsi		kg m-2 s-1	Downward Sea Ice Basal Salt Flux	downward_sea_ice_basal_salt_flux	No
29		hfsifrazil	- config_density0 * config_frazil_heat_of_fusion * timeMonthly_avg_frazilLayerThicknessTendency	W m-2	Heat Flux into Sea Water due to Frazil Ice Formation	heat_flux_into_sea_water_due_to_freezing_of_frazil_ice	No	The formula is incorrect by a factor of density/config_density0, but it is not clear to me that this really matters or that multiplying this back in after time averaging will make things more correct.
30		hfds	timeMonthly_avg_seaIceHeatFlux + timeMonthly_avg_latentHeatFlux + timeMonthly_avg_sensibleHeatFlux + timeMonthly_avg_shortWaveHeatFlux + timeMonthly_avg_longWaveHeatFluxUp + timeMonthly_avg_longWaveHeatFluxDown	W m-2	Downward Heat Flux at Sea Water Surface	surface_downward_heat_flux_in_sea_water	No
31	timeMonthly_avg_windStressZonal	tauuo		N m-2	Surface Downward X Stress	surface_downward_x_stress	No
32	timeMonthly_avg_windStressMeridional	tauvo		N m-2	Surface Downward Y Stress	surface_downward_y_stress	No
33		zhalfo		m	Depth Below Geoid of Interfaces Between Ocean Layers	depth_below_geoid	No
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