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attributes


name
(CMIP5/6&C3S)		dimensionsstandard_namelong_name
(CMIP5/6&C3S)		unitscoordinatescell_methodsvalid_minvalid_maxglobal attributesNOTES
pslleadtime,lat,lonair_pressure_at_sea_level"Sea Level Pressure"Pa

"reftime realization time leadtime lat lon"

"leadtime: point"

C3S: required 
CF: recommended

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • For C3S: "frequency":"6hr"

 

cltleadtime,lat,loncloud_area_fraction"Total Cloud Fraction"1"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • For C3S: "frequency":"6hr"
tslleadtime,lat,lonsoil_temperature"Temperature of Soil"K"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"

  • For C3S: "frequency":"6hr"
tsoleadtime,lat,lonsea_surface_temperature"Sea Surface Temperature"K"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"ocean"
  • For C3S: "frequency":"6hr"

sitemptop


N/A in CMIP

leadtime,lat,lonsea_ice_temperature

"Surface Temperature of Sea Ice"

N/A in CMIP

K"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"seaIce"
  • For C3S: "frequency":"6hr"
sicleadtime,lat,lonsea_ice_area_fraction"Sea Ice Area Fraction"1"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"seaIce"
  • For C3S: "frequency":"day"

lwesnw


N/A in CMIP

leadtime,lat,lonlwe_thickness_of_surface_snow_amount

"Liquid Water Equivalent Thickness of Surface Snow Amount"

N/A in CMIP

m"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

rhosn


N/A in CMIP

leadtime,lat,lonsnow_density

"Snow Density"


N/A in CMIP

kg m-3"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

snc

leadtime,lat,lonsurface_snow_area_fraction

"Snow area percentage"

%"reftime realization time leadtime lat lon""leadtime: point"

C3S: required 
CF: recommended

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

snd

leadtime,lat,lonsurface_snow_thickness

"Snow depth"

m"reftime realization time leadtime lat lon""leadtime: point  area: mean where snow"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

lweprs


N/A in CMIP

leadtime,lat,lonlwe_thickness_of_stratiform_precipitation_amount"Liquid Water Equivalent Thickness of Stratiform Precipitation Amount"


N/A in CMIP

m"reftime realization time leadtime lat lon""leadtime: sum"

 


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

lweprc


N/A in CMIP

leadtime,lat,lonlwe_thickness_of_convective_precipitation_amount"Liquid Water Equivalent Thickness of Convective Precipitation Amount"


N/A in CMIP

m"reftime realization time leadtime lat lon""leadtime: sum"

 

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

lwepr


N/A in CMIP

leadtime,lat,lonlwe_thickness_of_precipitation_amount"Liquid Water Equivalent Thickness of Total Precipitation Amount"


N/A in CMIP

m"reftime realization time leadtime lat lon""leadtime: sum"

   


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
lweprsn


N/A in CMIP

leadtime,lat,lonlwe_thickness_of_snowfall_amount"Liquid Water Equivalent Thickness of Snowfall Amount"


N/A in CMIP

m"reftime realization time leadtime lat lon""leadtime: sum"

 


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
hfssleadtime,lat,lonsurface_upward_sensible_heat_flux"Surface Upward Sensible Heat Flux"W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
hflsleadtime,lat,lonsurface_upward_latent_heat_flux"Surface Upward Latent Heat Flux"W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
rsdsleadtime,lat,lonsurface_downwelling_shortwave_flux_in_air"Surface Downwelling Shortwave Radiation"W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
rldsleadtime,lat,lonsurface_downwelling_longwave_flux_in_air"Surface Downwelling Longwave Radiation"W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
rssleadtime,lat,lonsurface_net_downward_shortwave_flux"Net Shortwave Surface Radiation"W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
rlsleadtime,lat,lonsurface_net_downward_longwave_flux"Net Longwave Surface Radiation"W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

rst


N/A in CMIP

leadtime,lat,lontoa_net_downward_shortwave_flux

"TOA Net Shortwave Radiation"

N/A in CMIP

W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

rlt


N/A in CMIP

leadtime,lat,lontoa_net_downward_longwave_flux

"TOA Net Longwave Radiation"

N/A in CMIP

W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is r equired.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
rsdtleadtime,lat,lontoa_incoming_shortwave_flux"TOA Incident Shortwave Radiation"W m-2"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
tauuleadtime,lat,lonsurface_downward_eastward_stress"Surface Downward Eastward Wind Stress"Pa"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
tauvleadtime,lat,lonsurface_downward_northward_stress"Surface Downward Northward Wind Stress"Pa"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"


lwee


N/A in CMIP

leadtime,lat,lonlwe_thickness_of_water_evaporation_amount

"Liquid Water Equivalent Thickness of Evaporation Amount"

N/A in CMIP

m"reftime realization time leadtime lat lon""leadtime: sum"

 


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

mrroa

N/A in CMIP

leadtime,lat,lonrunoff_amount

"Total Run-off Amount"

N/A in CMIP

kg m-2"reftime realization time leadtime lat lon""leadtime: sum"

 


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

mrroas

N/A in CMIP

leadtime,lat,lonsurface_runoff_amount

"Surface Run-off Amount"

N/A in CMIP

kg m-2"reftime realization time leadtime lat lon""leadtime: sum"

 


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

mrroab

N/A in CMIP

leadtime,lat,lonsubsurface_runoff_amount

"Subsurface Run-off Amount"

N/A in CMIP

kg m-2"reftime realization time leadtime lat lon""leadtime: sum"

 


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

prw


leadtime,lat,lonatmosphere_mass_content_of_water_vapor

"Water Vapor Path"

kg m-2"reftime realization time leadtime lat lon"
 "leadtime: point" 


C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
cllvi 

N/A in CMIP		leadtime,lat,lonatmosphere_mass_content_of_cloud_liquid_water"Liquid Water Path" 

N/A in CMIP		kg m-2"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • GRIB: TCLW 78
  • In CMIP there is clwvi (but that is the sum of liquid+ice)


  • For C3S: "frequency":"day"
clivileadtime,lat,lonatmosphere_mass_content_of_cloud_ice"Ice Water Path"kg m-2"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • GRIB: TCIW 79


  • For C3S: "frequency":"day"
cncleadtime,vtype, lat,lon vegetation_area_fraction "Vegetation cover percentage"

%

"reftime realization time leadtime vegetation_type lat lon"

"leadtime: point  area: mean where vegetation_type"

C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"
laileadtime,vtype, lat,lon lead_area_index"Leaf area index"

m2 m-2 (grib)

1 cmip

"reftime realization time leadtime vegetation_type lat lon"

"leadtime: point" 


C3S: required 
CF: recommended



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

cll

N/A in CMIP

leadtime,lat,lon low_type_cloud_area_fraction

"Low cloud cover percentage"

N/A in CMIP

%

"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended

 



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • For C3S: "frequency":"day"

 

evspsblpot

leadtime,lat,lonwater_potential_evaporation_flux

"Potential Evaporation"

kg m-2 s-1

"reftime realization time leadtime lat lon"

"leadtime: mean (interval: <value> <unit>)"

C3S: interval is r equired.
CF: interval is optional

 



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • Long name is different from CMIP variable


  • For C3S: "frequency":"day"

rstcs

N/A in CMIP

leadtime,lat,lon toa_net_downward_shortwave_flux_assuming_clear_sky

"TOA Net Shortwave Radiation, clear sky"

N/A in CMIP

W m-2"reftime realization time leadtime lat lon"

"leadtime: mean (interval: <value> <unit>)"

C3S: interval is r equired.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

rltcs

N/A in CMIP

leadtime,lat,lon toa_net_downward_longwave_flux_assuming_clear_sky

"TOA Net Longwave Radiation, clear sky"

N/A in CMIP

W m-2"reftime realization time leadtime lat lon"

"leadtime: mean (interval: <value> <unit>)"

C3S: interval is r equired.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

rsscs

N/A in CMIP

leadtime,lat,lon surface_net_downward_shortwave_flux_assuming_clear_sky

"Net Shortwave Surface Radiation, clear sky"

N/A in CMIP

W m-2"reftime realization time leadtime lat lon"

"leadtime: mean (interval: <value> <unit>)"

C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"

rlscs

N/A in CMIP

leadtime,lat,lon surface_net_downward_longwave_flux_assuming_clear_sky

"Net Longwave Surface Radiation, clear sky"

N/A in CMIP

W m-2"reftime realization time leadtime lat lon"

"leadtime: mean (interval: <value> <unit>)"

C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: "frequency":"day"
tsleadtime,lat,lon surface_temperature"Surface temperature"K"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos" or "land"
  • For C3S: "frequency":"day"
tsnleadtime,lat,lontemperature_in_surface_snow"Snow internal temperature"K"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • For C3S: "frequency":"day"

 

albs

N/A in CMIP

leadtime,lat,lon surface_albedo

"Surface albedo"

N/A in CMIP

(0-1)"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"
  • For C3S: "frequency":"day"

 

zrlms

N/A in CMIP

leadtime,lat,lonsurface_roughness_length_for_momentum_in_air

surface roughness length for momentum

N/A in CMIP

m"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

 

zrlhs

N/A in CMIP

leadtime,lat,lon surface_roughness_length_for_heat_in_air

surface roughness length for heat

N/A in CMIP

m"reftime realization time leadtime lat lon"

"leadtime: point" 


C3S: required 
CF: recommended



"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

 

Daily average of subdaily (6-hours) variables 

tasmean


N/A in CMIP


leadtime,lat,lonair_temperature

"Daily Average Near-Surface Air Temperature"


N/A in CMIP

K"reftime realization time leadtime height lat lon"

"leadtime: mean (interval: <value> <unit>)"


C3S: required 
CF: recommended


"frequency":"day"
"level_type": "surface"
"modeling_realm":"atmos"
  • height is usually 2m
  • height:valid_min = 1.;
  • height:valid_max = 10. ;
  • leadtime_bnds, time_bnds are required


  • For C3S: The interval is required to have a value<=3 hours)

uasmean


N/A in CMIP

leadtime,lat,lonx_wind"Daily Average Eastward Near-Surface Wind"m s-1"reftime realization time leadtime height lat lon""leadtime: mean (interval: <value> <unit>)"

C3S: required 
CF: recommended

"frequency":"day"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 10m
  • height:valid_min = 1.;
  • height:valid_max = 30. ;
  • leadtime_bnds, time_bnds are required


  • For C3S: The interval is required to have a value<=3 hours)


vasmean


N/A in CMIP

leadtime,lat,lony_wind"Daily Average Northward Near-Surface Wind"m s-1"reftime realization time leadtime height lat lon""leadtime: mean (interval: <value> <unit>)"

C3S: required 
CF: recommended

"frequency":"day"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 10m
  • height:valid_min = 1.;
  • height:valid_max = 30. ;
  • leadtime_bnds, time_bnds are required


  • For C3S: The interval is required to have a value<=3 hours)
cltmean



N/A in CMIP

leadtime,lat,loncloud_area_fraction"Daily Average Total Cloud Fraction"



N/A in CMIP

1"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"

C3S: required 
CF: recommended

"frequency":"day"
"level_type": "surface"
"modeling_realm":"atmos"
  • leadtime_bnds, time_bnds are required


  • For C3S: The interval is required to have a value<=3 hours)


tslmean



N/A in CMIP

leadtime,lat,lonsoil_temperature"Daily Average Temperature of Soil"



N/A in CMIP

K"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"

C3S: required 
CF: recommended

"frequency":"day"
"level_type": "surface"
"modeling_realm":"land"
  • leadtime_bnds, time_bnds are required


  • For C3S: The interval is required to have a value<=3 hours)
tsomean



N/A in CMIP

leadtime,lat,lonsea_surface_temperature"Daily Average Sea Surface Temperature"



N/A in CMIP

K"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"

C3S: required 
CF: recommended

"frequency":"day"
"level_type": "surface"
"modeling_realm":"ocean"
  • leadtime_bnds, time_bnds are required


  • For C3S: The interval is required to have a value<=3 hours)

sitemptopmean


N/A in CMIP

leadtime,lat,lonsea_ice_temperature

"Daily Average Surface Temperature of Sea Ice"


N/A in CMIP

K"reftime realization time leadtime lat lon""leadtime: mean (interval: <value> <unit>)"

C3S: required 
CF: recommended

"frequency":"day"
"level_type": "surface"
"modeling_realm":"seaIce"
  • leadtime_bnds, time_bnds are required


  • For C3S: The interval is required to have a value<=3 hours)

Soil Level Fields



attributes

name
(CMIP5/6&C3S)		dimensionsstandard_namelong_name
(CMIP5/6&C3S)		unitscoordinatescell_methodsvalid_minvalid_maxglobal attributesNote

mrlsl

N/A in CMIP

leadtime,depth,lat,lonmoisture_content_of_soil_layer

"Water Content per Unit Area of Soil Layers"


kg m-2"reftime realization time leadtime depth lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "soil"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

tslsl

N/A in CMIP

leadtime,depth,lat,long




soil_temperature"Temperature of Soil"K

"realization time depth lat lon"


"time: point"




"frequency": "<frequency_value>"
"level_type": "soil"
"modeling_realm":"land"

  • For C3S: "frequency":"6hr"

mrsolfrac

N/A in CMIP

leadtime,depth,lat,lonvolume_fraction_of_condensed_water_in_soil

"Water Fraction of Soil Layers"


1"reftime realization time leadtime depth lat lon""leadtime: point"

C3S: required 
CF: recommended


"frequency":"<frequency_value>"
"level_type": "soil"
"modeling_realm":"land"
  • For C3S: "frequency":"day"

Pressure Level Fields

The table below provides the encoding standards for all the atmospheric variables at pressure level. The baseline list of variables is the variables used in the C3S.

...