PRISM standard name tables

Version 1.1: 8 June 2003, Peter van Velthoven, incorporates modifications suggested by Ralf Doescher (land-surface), Yiwen Lu (atmospheric chemistry), Gabriella de Martino (ocean) and Thierry Fichefet (sea-ice), Stefanie Legutke (ECHAM), Jonathan Gregory (UK Met.Off.)

Version 1.0: 10 March 2003, Author: Peter van Velthoven

Based on draft supplied by Rosalyn Hatcher and discussions

Responses from WP atmosphere, WP ocean and WP ocean biochemistry are lacking or incomplete. Please send in your responses a.s.a.p.
Comments on the other sections are still quite welcome.

Discussion points:

1. Is there a PRISM convention for heat and radiation fluxes (positive=downward?)?
2. Does downward in the CF convention indeed indicate the direction of the +-direction?
3. Should PRISM decide on preference for geopotential or geopotential_height?
4. Evaporation does not include sublimation (evaporation of ice)?
5. Always use downward in standard names for stresses?
6. Standardize units for precipitation and evaporation (kgm-2s-1, or lwe=m/s)? i.e. Do we prefer precipitation_flux or precipitation_rate?
7. Does PRISM allow for PSU (Practical Salinity Units) for salinity variables?

Notes:

1. This will probably be an effort that will need to on for some time. We are not yet close to a complete standard set.
2. italic standard names still need to be proposed to and accepted by the international CF group.
3. bold standard names and plot parameters require confirmation by PRISM participants.
4. Units in ()s are those supplied by the institution, except fraction which is in the std_name table. Only units with a standard Name supplied have been checked. Units in CF are canonical ! A scaling factor can be specified in the netcdf file !
5. In principle all diagnostics are included. However, not all coupling fields are included yet, only those written by ECHAM.
6. I have included a reference to the categories distinguished in the CF documentation (for easier checking):
   • AD = Atmospheric Dynamics table
   • CC = Carbon Cycle table
   • C = Cloud table
   • H = Hydrology table
   • OD = Ocean Dynamics table
   • R = Radiation table
   • SI = Sea Ice table
   • S = Surface table
   • Tables for Atmospheric Chemistry (AC) and for Oceanic Biogeochemistry (OB) need to be proposed to the CF group.
   • F = full standard name table contains the entries from all above tables. Only standard names included in this table are presently allowed in CF.
   These CF standard name tables contain links to more extensive definitions of each standard_name, which is useful for identifying the right standard name for our purpose.
7. The last 4 columns in the tables below were added to allow definition of default plotting scales in the PRISM visualisation software. The default plotting scales may be identified using the information in the netCDF header (CF standard name etc.) but will likely not be part of the netCDF header themselves.

WP3b - Atmosphere model component
 Request to WP3b: complete and check table, select one standard name if two are are listed.

PRISM Variable Name	CF Standard Name	CF category	Canonical unit	Output frequency	Plot scale	Contour min value	Contour max value	Contour interval
Eastward wind	eastward_wind	AD	m s-1	Monthly mean	linear	-40	80	20
Northward wind	northward_wind	AD	m s-1	Monthly mean	linear	-50	50	10
Air Temperature	air_temperature	F	K	Monthly mean	linear	200	350	10
Geopotential Height	geopotential_height	AD	m	Monthly mean	linear	0	20000	500
Specific Humidity	specific_humidity	H	1 (Fraction, kg/kg)	Monthly mean	log	0.01	10	-
Mean-sea-level pressure	air_pressure_at_sea_level	AD	Pa   (N m-2)	Monthly mean	linear	950	1030	10
Surface (2m) air temperature	air_temperature + vertical info	F	K	Monthly mean	linear	250	315	5
Total precipitation rate	preferred: precipitation_flux lwe_precipitation_rate would be in m/s (lwe=liquid water equivalent)	H F	kg m-2 s-1	Monthly mean	linear	?
Surface (10m) eastward wind	eastward_wind + vertical info	AD	m s-1	Monthly mean	linear	-30	30	5
Surface (10m) northward wind	northward_wind + vertical info	AD	m s-1	Monthly mean	linear	-30	30	5
Surface (2m) specific humidity	specific_humidity + vertical info	AD	1 (Fraction, kg/kg)	Monthly mean	linear	0	16	2
Surface sensible heat flux	surface_upward_sensible_heat_flux preferred: surface_downward_sensible_heat_flux	S	W m-2	Monthly mean	linear	?
Surface latent heat flux	surface_upward_latent_heat_flux preferred: surface_downward_latent_heat_flux	S	W m-2	Monthly mean	linear	?
Surface evaporation plus sublimation rate	surface_upward_water_flux (not: water_evaporation_flux)	S (H)	kg m-2 s-1	Monthly mean	linear	?
Eastward surface wind stress	surface_downward_eastward_stress	S	Pa  (N m-2)	Monthly mean	linear	?
Northward surface wind stress	surface_downward_northward_stress	S	Pa  (N m-2)	Monthly mean	linear	?
Surface net shortwave radiation (+ve downward)	surface_net_downward_shortwave_flux	R	W m-2	Monthly mean	linear	?
Surface net longwave radiation (+ve downward)	surface_net_downward_longwave_flux	R	W m-2	Monthly mean	linear	?
TOA net shortwave radiation (+ve downward)	toa_net_downward_shortwave_flux	R	W m-2	Monthly mean	linear	?
Outgoing longwave radiation (+ve downward)	toa_net_downward_longwave_flux (not: toa_net_upward_longwave_flux)	R	W m-2	Monthly mean	linear	?
Total cloud amount	cloud_area_fraction	C	1 (Fraction of area)	Monthly mean	linear	0	1	0.1
ECHAM coupling output fields	(provided by Stefanie Legutke)	numbers in first column refer to subroutine inipar	Some are also in above table.
1. SST, Sea surface temperature	sea_surface_temperature	S	K Is it in K?	Instantaneous daily?
2. sea-ice extent	now: sea_ice_extent should it be: sea_ice_area_fraction ?	SI SI	m2 1 (fraction [0,1])	Instantaneous daily?
3. zonal current stress	now:upward_grid_eastward_stress_at_sea_ice_base rather:surface_downward_eastward_stress + _over_ocean or _over_sea_ice?	S	N/m2=Pa	Instantaneous daily?
4. meridional current stress Does not "current" refer to the ocean?	now:upward_grid_northward_stress_at_sea_ice_base rather:surface_downward_northward_stress	S	N/m2	Instantaneous daily?
5. total heat flux	surface_downward_heat_flux surface_downward_heat_flux_in_air	S	W/m2	Instantaneous daily?
6. non-solar heat flux	surface_net_minus_shortwave???_downward_heat_flux_in_air Is shortwave and longwave radiation included in a heat flux?	new,S	W/m2	Instantaneous daily?
7. solar heat flux	surface_net_downward_shortwave_flux	R	W m-2	Instantaneous daily?
8. latent heat flux	surface_downward_latent_heat_flux	S	W m-2	Instantaneous daily?
9. sensible heat flux	surface_downward_sensible_heat_flux	S	W m-2	Instantaneous daily?
10. longwave heat flux	surface_net_downward_longwave_flux	R	W m-2	Instantaneous daily?
11. direct solar heat flux	surface_downward_direct_shortwave_flux	new for R	Wm-2	Instantaneous daily?
12. diffuse solar heat flux	surface_downward_diffuse_shortwave_flux Diffuse radiation is from all directions, except upwelling? Hence without _net_	new	Wm-2	Instantaneous daily?
13. upward solar heat flux	surface_downward?_upwelling_shortwave_flux	R, downward=new	Wm-2	Instantaneous daily?
14. upward longwave heat flux	surface_downward?_upwelling_longwave_flux	R, downward=new	Wm-2	Instantaneous daily?
15. downward longwave heat flux	surface_downward?_downwelling_longwave_flux	R, downward=new	Wm-2	Instantaneous daily?
16. emissivity	surface_emissivity Is this indeed only at the surface?	new, S+R	1 (dimensionless 0-1)	Instantaneous daily?
17. surface albedo	surface_albedo	S	1 (dimensionless 0-1)	Instantaneous daily?
18. snow covered fraction-area	surface_snow_area_fraction	S	1 (dimensionless 0-1)	Instantaneous daily?
19. lower level temperature What is meant by lower_level?	air_temperature + vertical info	F	K	Instantaneous daily?
20. lower level wind module It is unkown what module refers to? wind speed?	?	?	?	Instantaneous daily?
21. lower level geopotential What is meant by lower_level?	geopotential Would we prefer geopotential_height?	AD	m2s-2	Instantaneous daily?
22. specific humidity (lower level) What is meant by lower_level?	specific_humidity + vertical info	AD	1 (Fraction, kg/kg)	Instantaneous daily?
23.zonal wind stress	now:surface_downward_grid_eastward_stress rather:surface_downward_eastward_stress	S	N/m2=Pa	Instantaneous daily?
24. meridional wind stress	now:surface_downward_grid_northward_stress rather:surface_downward_northward_stress	S	N/m2=Pa	Instantaneous daily?
25. evaporation	water_evaporation_flux	H	kg m-2 s-1	Instantaneous daily?
26. total precipitation	surface_precipitation_flux or: lwe_precipitation_rate?	H,H	kgm-2s-1, m/s				Instantaneous daily?
27. liquid precipitation	rainfall_flux	H	kgm-2s-1	Instantaneous daily?
28. solid precipitation	snowfall_flux ECHAM,note: snowfall is 1 word without _	H	kgm-2s-1	Instantaneous daily?
29. water flux (P+R-E Is this precip+runoff-evap?)	water_flux_into_ocean only over oceanic part of grid cells?	H,new	kgm-2s-1	Instantaneous daily?
30. precipitation-evaporation	surface_downward_water_flux	F	kgm-2s-1	Instantaneous daily?
31. ice-covered fraction area	sea_ice_area_fraction	SI	1 (fraction [0,1])	Instantaneous daily?
32. river run off	water_flux_into_ocean_from_rivers	H	kgm-2s-1	Instantaneous daily?
33. surface pressure	surface_air_pressure	AD	Pa (hPa)	6-hourly	Instantaneous daily?
34. surface temperature	surface_temperature	F	K	Instantaneous daily?
35. nonsolar heat flux derivative? derivative with respect to what?				Instantaneous daily?
36. calving	water_flux_into_ocean_due_to_ice_sheet_calving	new, H?	kg/m-2s-1	Instantaneous daily?
37. windmixing power	wind_mixing_energy_flux_into_ocean better might be: heat_flux_into_ocean_due_to_wind_mixing	new	W/m-2?	Instantaneous daily?
38. .. same as 7 above.?	surface_net_downward_shortwave_flux	R	W m-2	Instantaneous daily?
39. non penetrative heat flux Parameter unknown to me				Instantaneous daily?
40. snow fall	snowfall_flux ECHAM,note: snowfall is 1 word without _	H	kgm-2s-1	Instantaneous daily?
41. sublimation Does this include snow and ice evaporation?	water_evaporation_flux_where_sea_ice or: sublimation_flux	new	kgm-2s-1	Instantaneous daily?
42. sea-ice diffusive heat flux	downward_heat_flux_into_sea_ice		Wm-2	Instantaneous daily?
43. sea-ice topmelt heat flux (includes snow and ice)	surface_melt_heat_flux is this downward or upward? perhaps: surface_snow_and_ice_melt_heat_flux (see also S)	new: S?	Wm-2	Instantaneous daily?
44. sea-ice fraction same as 31 above?	sea_ice_area_fraction	SI	1 (fraction [0,1])	Instantaneous daily?
45. ice depth	sea_ice_thickness	SI	m	monthly mean	Instantaneous daily?
46. snow depth only over sea-ice?	now: lwe_surface_snow_thickness_where_sea_ice preferred: surface_snow_thickness_where_sea_ice	S	m	Instantaneous daily?
47. zonal surface current	now:surface_grid_eastward_sea_water_velocity preferred:surface_eastward_sea_water_velocity	new, OD	m/s	Instantaneous daily?
48. meridional surface current	now:surface_grid_northward_sea_water_velocity preferred:surface_northward_sea_water_velocity	new, OD	m/s	Instantaneous daily?
49. chemical concentration???				Instantaneous daily?
50. zonal wind stress over open sea	now: surface_grid_eastward_stress_where_open_sea rather:surface_downward_eastward_stress_where_open_sea	S, new	Nm-2=Pa	Instantaneous daily?
51. meridional wind stress over open sea	now: surface_grid_northward_stress_where_open_sea rather:surface_downward_northward_stress_where_open_sea	S, new	Nm-2=Pa	Instantaneous daily?
52. zonal wind stress over sea-ice I presume this is not at sea-ice base (see S).	now: surface_grid_eastward_stress_where_sea_ice rather:surface_downward_eastward_stress_where_sea_ice	S, new	Nm-2=Pa	Instantaneous daily?
53. meridional wind stress over sea-ice I presume this is not at sea-ice base (see S).	now: surface_grid_northward_stress_where_sea_ice rather:surface_downward_northward_stress_where_sea_ice	S, new	Nm-2=Pa	Instantaneous daily?
54. lower level relative humidity What does lower level mean?	relative_humidity + vertical info	F	Fraction [0,1]	Instantaneous daily?
55. snowfall over sea-ice	now: lwe_surface_downward_snow_flux_where_sea_ice "lwe" and "flux" are incompatible, rather use: snowfall_flux_where_sea_ice (see 40 above)	H, new	kgm-2s-1	Instantaneous daily?
56. 10m wind speed	wind_speed + vertical info	AD	m/s	Instantaneous daily?

WP3c - Atmospheric chemistry models
Expected to be added in the near future: deposition, emissions, tendency_due_to_convective_transport?

PRISM Variable Name	CF Standard_name	CF category	Canonical unit	Output frequency	Plot scale	Contour min value	Contour max value	Contour interval
volume mixing ratio of ozone, O3	ozone_mole_fraction_in_air mole_fraction_of_o3_in_air	F,AC	1 (ppv)	Monthly means/ monthly means at specific hours	linear in ppbv	0	150	5 up to 50 ppbv, then 10
volume mixing ratio of nitrogen oxide, NO	nitrogen_oxide_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-24 ppb	100 ppb
volume mixing ratio of hydrogen peroxide, H2O2	hydrogen_peroxide_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of methane, CH4	methane_mole_fraction_in_air	AC new	1 (ppv)	"	linear in ppm	0.6 ppm	2 ppm	0.02
volume mixing ratio of carbon monoxide, CO	carbon_monoxide_mole_fraction_in_air	AC new	1 (ppv)	"	log in ppmv	1 ppm	100 ppm
volume mixing ratio of nitric acid, HNO3	nitric_acid_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of methyl hydrogen peroxide, CH3O2H	methyl_hydrogen_peroxide_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-5 ppb	10 ppb
volume mixing ratio of formaldehyde, CH2O	formaldehyde_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-3 ppb	100 ppb
volume mixing ratio of peroxy acetyl nitrate, PAN, CH3COO2NO2	peroxy_acetyl_nitrate_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-8 ppb	10 ppb
volume mixing ratio of sulfur dioxide, SO2	sulfur_dioxide_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of dimethyl sulfide, DMS, CH3SCH3	dimethyl_sulfide_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of ammonia, NH3	ammonia_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of ammonium, NH4	ammonium_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of methane sulfonic acid, MSA, CH3SO2OH	methane_sulfonic_acid_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of the hydroperoxy radical, HO2	hydroperoxy_radical_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-3 ppt	100 ppt
volume mixing ratio of the methyl peroxy radical, CH3O2	methyl_peroxy_radical_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of the hydroxy radical, hydroxyl, OH	hydroxyl_radical_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-6 ppt	10 ppt
volume mixing ratio of nitrogen dioxide, NO2	nitrogen_dioxide_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-4 ppb	100 ppb
volume mixing ratio of the nitrate radical, NO3	nitrate_radical_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of dinitrogen pentoxide, N2O5	dinitrogen_pentoxide_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of nitric acid, HNO3	nitric_acid_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-4 ppb	100 ppb
volume mixing ratio of peroxy nitric acid, HNO4	peroxy_nitric_acid_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of the peroxy acetyl radical, C2O3	peroxy_acetyl_radical_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of the oxygen radical in the 1D excited state, O(1D)	oxygen_radical_in_1D_state_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of ethane, C2H6	ethane_mole_fraction_in_air	AC new	1 (ppv)	"	log	0.1 ppb	50 ppb
volume mixing ratio of ethene, C2H4	ethene_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of acetylene, C2H2	acetylene_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of propane, C3H8	propane_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of propene, C3H6	propene_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of acetone, C3H6O	acetone_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of butane, C4H10	butane_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of methyl_glyoxal, CH3COCOH	methyl_glyoxal_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of isoprene, C5H8	isoprene_mole_fraction_in_air	AC new	1 (ppv)	"	log	1e-29 ppb (perhaps larger, e.g. 1e-6 ppb)	1000 ppb
derived:
volume mixing ratio of ozone from the stratosphere	stratospheric_ozone_mole_fraction	AC new	1 (ppv)	"
lumped species (modified CBiv)
volume mixing ratio of paraffinic carbon bonds	paraffinic carbon bonds_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of olefinic carbon bonds	olefinic_carbon_bonds_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of acetaldehyde and higher aldehydes, aldehydes with more than one C atom, RCHO	aldehydes_higher_than_2_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of lumped higher organic peroxides, ROOH	organic_peroxides_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of lumped alkyl nitrates, organic nitrates, RNO3	organic_nitrates_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of the secondary_organic_oxy_radical, ROR	secondary_organic_oxy_radical_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of budget corrector, RXPAR	budget_corrector_rxpar_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of alkyl peroxy radicals, XO2	alkyl_peroxy_radical_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of XO2N (intermediate product of isoprene oxidation)	intermediate_product_of_isoprene_oxidation_mole_fraction_in_air	AC new	1 (ppv)	"
dry deposition of ozone	ozone dry_deposition_flux	AC new	1/(m2s) (molecules/(m2s))	"
wet deposition of nitric acid, HNO3	nitric_acid_wet_deposition_flux	AC new	1/(m2s) (molecules/(m2s))	"
net chemical production rate of ozone	ozone_net_chemical_production	AC new	1/s (ppbv/hr)	"
chemical production rate of ozone	ozone_chemical_production	AC new	1/s (ppbv/hr)	"
chemical loss rate of ozone	ozone_chemical_loss	AC new	1/s (ppbv/hr)	"
Families
volume mixing ratio of NOx=NO+NO2	nox_mole_fraction_in_air	AC new	1 (ppv)	"
volume mixing ratio of HOx=OH+HO2	hox_mole_fraction_in_air	AC new	1 (ppv)	"
aerosols
sulfate aerosol (SO4)	sulfate_aerosol_mass_density_in_air	F AC new	kg/m3	"
nitrate aerosol (HNO3)	nitrate_aerosol_mass_density_in_air	AC new	kg/m3	"
ammoniumsulfate aerosol (NH4SO4)	ammoniumsulfate_aerosol_mass_density_in_air	AC new	kg/m3	"
seasalt aerosol	seasalt_aerosol_mass_density_in_air	AC new	kg/m3	"
organic carbon aerosol	org_carbon_aerosol_mass_density_in_air	AC new	kg/m3	"
hydrophilic organic carbon aerosol	hydrophilic_org_carbon_aerosol_mass_density_in_air	AC new	kg/m3	"
hydrophobic organic carbon aerosol	hydrophobic_org_carbon_aerosol_mass_density_in_air	AC new	kg/m3	"
black carbon aerosol	black_carbon_aerosol_mass_density_in_air	AC new	kg/m3	"
hydrophilic black carbon aerosol	hydrophilic_black_carbon_aerosol_mass_density_in_air	AC new	kg/m3	"
hydrophobic black carbon aerosol	hydrophobic_black_carbon_aerosol_mass_density_in_air	AC new	kg/m3	"
dust	dust_aerosol_mass_density_in_air (dust_aerosol_number_density_with_size_between_Amicrom_and Bmicrom to be added in the near future))	AC new	kg/m3	"

WP3e - Ocean model component
 Request to WP3e: Please check if the identified standard_names correspond to the PRISM variable name, and complete plotting parameters.

PRISM Variable Name	CF Standard Name	CF category	Canonical unit	Output frequency	Plot scale	Contour min value	Contour max value	Contour interval
SST	sea_surface_temperature	S	K	monthly
SSS (sea surface salinity)	sea_surface_salinity	S	1e-3 (non-SI units of PSU=Practical Salinity Units are preferred; The mean global ocean value is 34.7 PSU)	monthly
Downward total heat flux	surface_downward_heat_flux_in_air ocean_downward_heat_flux	S, new	W m-2	monthly
Downward Penetrative heat flux	ocean_downward_penetrative_heat_flux	new	W m-2	monthly
Fresh water flux (E-P)	northward_ocean_freshwater_transport (I am not sure if this is E-P; should there also be an upward component? units?)	F	kg/s (kg/m2/s)	monthly
Runoff	runoff_flux or surface_runoff_flux?	S	kg m-2 s-1	monthly
Surface wind stress (vector)	surface_downward_eastward_stress surface_downward_northward_stress	S	N/m2=Pa	monthly
Potential temperature	sea_water_potential_temperature	F	K	monthly
Salinity	sea_water_salinity	F	1e-3 (PSU?)	monthly
Sea surface height	sea_surface_elevation	F	m	monthly
Mixed-layer depth (density criterion)	ocean_mixed_layer_thickness	F	m	monthly
Sea ice cover	sea_ice_area_fraction	SI	1 (fraction [0,1])	monthly
Barotropic stream function	ocean_barotropic_streamfunction	OD	m3 s-1  (1 Sv = 10^6 m3 s-1)	monthly
Equatorial sections of T,S,U,V	sea_water_temperature sea_water_salinity eastward_sea_water_velocity northward_sea_water_velocity	F F OD OD	K (C) 1e-3(PSU?) m/s m/s(m/day)	monthly
Tahiti-Hawaii shuttle T,S,UW	sea_water_temperature sea_water_salinity eastward_sea_water_velocity northward_sea_water_velocity	F F OD OD	K (C) 1e-3(PSU?) m/s m/s	monthly
ocean meridional heat transport	northward_ocean_heat_transport	F	W (PWatt)	monthly mean
Meridional fresh water transport	northward_ocean_freshwater_transport	F	kg s-1 (Sv) units differ!	monthly mean
overturning streamfunction	ocean_meridional_overturning_streamfunction	OD	m3 s-1 (Sv)	annual mean
Coupling checks
Total heat flux	surface_downward_heat_flux_in_air? Should this be a 2D-field (PWatt seems to indicate integration over the globe)?	S	W/m2 (PWatt) units differ!	coupling freq. mean
Fresh water flux (E+P+R)	upward_ocean_fresh_water_transport or upward_ocean_fresh_water_flux	new or new	kg/s m3 s-1(Sv)	coupling freq. mean
Surface wind stress (vector)	surface_downward_eastward_stress surface_downward_northward_stress	S	N/m2	coupling freq.
Sea ice cover	sea_ice_area_fraction	SI	1 (fraction [0,1])	coupling freq.

WP3f - Sea-ice models
 

PRISM Variable Name	CF Standard Name	CF category	Canonical unit	Output frequency	Plot scale	Contour min value	Contour max value	Contour interval
Ice concentration	sea_ice_area_fraction	SI	1 (Dimensionless, 0-1)	monthly mean	linear	0	1	0.1
Ice thickness	sea_ice_thickness	SI	m	monthly mean	linear	0.25	10	0.25
Snow thickness	surface_snow_thickness_where_sea_ice	S,new	m	monthly mean	linear	0	2	0.10
Surface temperature of snow or ice	snow_or_ice_surface_temperature	S,new	K	monthly mean	linear in degrees C	-50	0	2
Average surface temp over oceanic grid cells	surface_temperature_over_ocean_and_sea_ice (= surface temperature averaged over the ice-covered and ice-free portions of a grid cell) (The sea ice PI proposed mean_surface_temperature_over_ocean_and_sea_ice)	S	K	monthly mean	linear in degrees Celsius	-50	30	2
x and y components of the ice velocity	eastward_sea_ice_velocity northward_sea_ice_velocity	SI	m/s	monthly mean	linear	-0.3	0.3
Ice production	local_tendency_of_sea_ice_volume (The sea ice PI proposed local_time_derivative_of_sea_ice_volume I believe this is meant to be in contrast to the total time derivative that includes advective terms. tendency is the derivative wrt time according to the CF guidelines.)	SI,new	m/s (m/month)	monthly mean	linear	-1	1	0.05
Oceanic heat flux at the ice base	upward_sea_ice_basal_heat_flux	SI	W/m2	monthly mean	linear	0	200	10
Average total heat flux at the oceanic surface	surface_net_downward_heat_flux_over_ocean_and_sea_ice (The sea ice PI proposed mean_net_downward_heat_flux_over_ocean_and_sea_ice	S, new	W/m2	monthly mean	linear	-300	300	20
Average total salt flux at the oceanic surface	downward_salt_flux_from_sea_ice	new	kg/m2/s	monthly mean	linear	-1.E-5	1.E-5	1.E-6
x and y components of the surface wind stress averaged over oceanic grid cells	surface_downward_eastward_stress_over_sea_ice surface_downward_northward_stress_over_sea_ice	S S	Pa	monthly mean	linear	-0.3	0.3
Net solar radiation averaged over oceanic grid cells	surface_net_downward_shortwave_flux__over_ocean_and_sea_ic (The sea ice PI proposed mean_net_downward_shortwave_flux_over_ocean_and_sea_ice)	R, new	W/m2	monthly mean	linear	0	400	20
Net IR radiation averaged over oceanic grid cells	surface_net_downward_longwave_flux_over_ocean_and_sea_ice (The sea ice PI proposed mean_net_longwave_flux_over_ocean_and_sea_ice)	R, new	W/m2	monthly mean	linear	-400	200	20
Sensible heat flux averaged over oceanic grid cells	surface_net_downward_sensible_heat_flux_over_ocean_and_sea_ice (The sea ice PI proposed mean_net_downward_sensible_heat_flux_over_ocean_and_sea_ice	R, new	W/m2	monthly mean	linear	-300	100	10
Latent heat flux averaged over oceanic grid cells	surface_net_downward_latent_heat_flux_over_ocean_and_sea_ice (The sea ice PI proposed mean_net_downward_latent_heat_flux_over_ocean_and_sea_ice	R, new	W/m2	monthly mean	linear	-300	10	10
Total ice area	sea_ice_area	F	m2 (km2)	daily mean
Total ice extent (Is not this the same as Total ice area - see above?)	sea_ice_extent	new	m2 (km2)	daily mean
Total ice volume	sea_ice_volume	SI	m3 (km3)	daily mean

WP3g - Ocean biogeochemistry models
 

Variable Name	CF Standard Name	CF category	Canonical unit	Output frequency	Plot scale	Contour min value	Contour max value	Contour interval
Content of all state variables Please specify if these are the ocean columns or the total atmosphere content of P,N,C,Si,O2,14C,13C,DMS?	?		mol	each time step
Content by level of state variable Is this a 3D variable?	ocean_phosporus_concentration ocean_nitrogen_concentration ocean_carbon_concentration ocean_silicon_concentration ocean_molecular_oxygen_concentration ocean_carbon14_concentration ocean_carbon13_concentration ocean_dimethyl sulfide_concentration Would mole_fraction (ppv) instead of concentration do? This would make it more consitent with atmospheric variables.		mole/m3 (mol/L)	each time step
Surface tracer concentration (P,N,C,Si,O2,14C,13C,DMS,..)	sea_surface_phosporus_concentration sea_surface_nitrogen_concentration sea_surface_carbon_concentration sea_surface_silicon_concentration sea_surface_molecular_oxygen_concentration sea_surface_carbon14_concentration sea_surface_carbon13_concentration sea_surface_dimethyl sulfide_concentration Would mole_fraction (ppv) instead of concentration do? This would make it more consitent with atmospheric variables.	new	mole/m3 (mol/L)	monthly
Zonal mean tracer concentration (as above)	as above		mole/m3 (mol/L)	monthly
Integrated values of processes (i.e. primers production, export dissolution, sedimentation), e.g.	ocean_phosphorus_net_chemical_production ocean_phosphorus_export? ocean_phosphorus_dissolution? ocean_phosphorus_sedimentation? Does this refer to the ocean columns, cells or the total ocean? What is export (horizontal advection)? Is this complete?	new	mole/m2/s	weekly
Mean value of chlorophyll at top 20m	ocean_chlorophyll_mass_density	new	kg(m3 (mg/L)	weekly
Tracer concentration at given points	as Surface tracer concentration, see above	new	mol/L	each time step
Air-sea fluxes (which ones?)	.._surface_upward_flux_over_sea_water or .._surface_downward_flux_over_sea_water (please choose)	new	(mol/m2/s)	weekly
Air-sea gas exchange (which?) Why this in addition to the above?	.._surface_upward_flux_over_sea_water or .._surface_downward_flux_of_over_sea_water (please choose)	new	?(mol/m2/s/atm)	weekly
Ocean and atmosphere p-CO2	carbon_dioxide_partial_pressure_in_air carbon_dioxide_partial_pressure_in_sea_water Again one might prefer mole_fraction (ppv) over partial_pressure ?	new	Pa (atm)	each time step

WP3h - Regional models
 

Variable Name	CF Standard Name	CF category	Canonical unit	Output frequency	Plot scale	Contour min value	Contour max value	Contour interval
Regional Model
Sensible heat flux (atmos->ocean)	surface_downward_sensible_heat_flux_over_ocean	S	W/m2	daily mean
Latent heat flux (atmos->ocean)	surface_downward_latent_heat_flux_over_ocean	S	W/m2	daily mean
Net solar heat flux (atmos->ocean)	surface_net_downward_shortwave_flux_over_ocean	S	W/m2	daily mean
LW downward heat flux (atmos->ocean)	surface_net_downward_longwave_flux_over_ocean	S	W/m2	daily mean
LW upward heat flux (ocean->atmos)	surface_net_upward_longwave_flux_over_ocean	S	W/m2	daily mean
Barotropic velocity U,V	barotropic_eastward_sea_water_velocity barotropic_northward_sea_water_velocity	OD OD	m s-1	daily mean
Arbitrary sections for T,S,u,v (baroclinic velocities)	sea_water_temperature sea_water_salinity baroclinic_eastward_sea_water_velocity baroclinic_northward_sea_water_velocity	F F OD OD	K psu m/s m/s	daily mean
Poleward transport of ice volume	northward_sea_ice_volume_transport	new	m3/s	monthly mean
Surface air (2m) temperature over sea ocean	air_temperature_over_ocean+ vertical info	F	K	daily mean
2m specific humidity over land	specific_humidity_over_land? + vertical info	AD	kg/kg (Fraction [0,1])	daily (what time? or mean value?)
Relative humidity at 2m	relative_humidity_over_land? + vertical info	F	Fraction [0,1]	daily mean
Regional sea-ice
LW downward heat flux (atmos->ice)	surface_net_downward_longwave_flux_over_sea_ice	S	W/m2	daily mean
LW upward heat flux (ice->atmos)	surface_net_upward_longwave_flux_over_sea_ice	S	W/m2	daily mean
Precipitation	lwe_precipitation_rate (lwe=liquid water equivalent)	H	m/s	daily mean
Evaporation	lwe_water_evaporation_rate	H	m/s	daily mean
Surface air (2m) temperature over sea ice	air_temperature_over_sea_ice+ vertical info	F	K	daily mean
2m specific humidity	specific_humidity_over_sea_ice? + vertical info	AD	kg/kg (Fraction [0,1])	daily (what time? or mean value?)
Relative humidity at 2m	relative_humidity_over_sea_ice? + vertical info	F	Fraction [0,1]	daily mean
Lakes
Lake surface water temperature	lake_sea_surface_temperature	S	K	daily mean
Lake ice temperature	lake_ice_temperature	new	K	daily mean
Lake ice thickness	lake_ice__thickness	new	m	daily mean
Lake ice fraction	lake_ice_area_fraction	new	1 (dimensionless 0-1)	daily mean
Lake snow on ice temperature	lake_snow_on_ice_temperature	new	K	daily mean
Lake snow on ice thickness	lake_snow_on_ice_thickness	new	m	daily mean
Lake snow on ice fraction (It is unclear to me what this means, is it a fraction of a fraction or a fraction of the total cell area?)	lake_snow_on_ice_area_fraction	new	1 (dimensionless 0-1)	daily mean
Surface air (2m) temperature over lake	air_temperature_over_lake+ vertical info	F/new	K	daily mean
2m specific humidity	specific_humidity_over_lake? + vertical info	AD/new	kg/kg (Fraction [0,1])	daily (what time? or mean value?)
Relative humidity at 2m	relative_humidity_over_lake? + vertical info	F/new	Fraction [0,1]	daily mean
Atmosphere/Land surface diagnostics for impact studies
Surface air (2m) temperature	air_temperature_over_land + vertical info	F	K	daily mean
Precipitation	precipitation_amount	H	kg m-2	daily total
Total cloud cover	cloud_area_fraction	C	Fraction [0,1]	daily mean
Snow water equivalent	snowfall_amount equivalent would imply that it is the lwe_snowfall_rate in m/s. Please confirm.	H	kg/m2	daily mean
Total runoff	surface_runoff_flux	H	kg/m2	daily total
Total soil water content	soil_moisture_content	H	kg m-2	daily mean
Sea level pressure	air_pressure_at_sea_level	AD	Pa (hPa)	6-hourly
Surface pressure	surface_air_pressure	AD	Pa (hPa)	6-hourly
Daily 2m maximum temperature	air_temperature_daily_maximum + vertical info	F/new	K	daily maximum
Daily 2m minimum temperature	air_temperature_daily_minimum + vertical info	F/new	K	daily minimum
Mean 10m wind speed	wind_speed + vertical info	AD	m s-1	daily mean
Maximum 10m wind speed	wind_speed_daily_maximum + vertical info	AD/new	m s-1	daily maximum
Sea ice thickness	sea_ice_thickness	SI	m	daily mean
2m specific humidity	specific_humidity+ vertical info	F	kg/kg (Fraction [0,1])	daily
Surface downward SW radiation	surface_downwelling_shortwave_flux	R	W m-2	daily total
Surface net SW radiation	surface_net_downward_shortwave_flux	R	W m-2	daily total
Surface downward LW radiation	surface_downwelling_longwave_flux	R	W m-2	daily total
Relative humidity at 2m	relative_humidity_over_land+ vertical info	F	Fraction [0,1]	daily mean
Potential evaporation	potential_evaporation_amount	new	kg/m2	daily total
Sunshine time	sunshine_time	new	s (hours)	daily total