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Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K

not filled; unit: not filled

air_pressure [CF-Standard Name]; unit: Pa

liquid_water_content_of_soil_layer [CF-Standard Name]; unit: kg m-2

The surface called "surface" means the lower boundary of the atmosphere. "longwave" means longwave radiation. "Downward" indicates a vector component which is positive when directed downward (negative upward). Net downward radiation is the difference between radiation from above (downwelling) and radiation from below (upwelling). In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.[CF-Standard Name]; unit: W m-2

surface_snow_area_fraction [CF-Standard Name]; unit: 1

The surface called "surface" means the lower boundary of the atmosphere. The snow melt heat flux is the supply of latent heat which is melting snow at freezing point. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: W m-2

relative_humidity [CF-Standard Name]; unit: 0.01

"X_area" means the horizontal area occupied by X within the grid cell.[CF-Standard Name]; unit: metre**2 metre**-2

Volume fraction" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y. "Condensed water" means liquid and ice. "Volume_fraction_of_condensed_water_in_soil_pores" is the ratio of the volume of condensed water in soil pores to the volume of the pores themselves. [CF-Standard Name]; unit: 1

Snow temperature is the bulk temperature of the snow, not the surface (skin) temperature.[CF-Standard Name]; unit: K

The surface called "surface" means the lower boundary of the atmosphere. "shortwave" means shortwave radiation. "Downward" indicates a vector component which is positive when directed downward (negative upward). Net downward radiation is the difference between radiation from above (downwelling) and radiation from below (upwelling). In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.[CF-Standard Name]; unit: W m-2

Soil temperature is the bulk temperature of the soil, not the surface (skin) temperature. [CF-Standard Name]; unit: K

"specific" means per unit mass. Specific humidity is the mass fraction of water

vapor in (moist) air.[CF-Standard Name-vertical_coordinate]; unit: kg kg-1

The surface called "surface" means the lower boundary of the atmosphere. Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. [CF-Standard Name]; unit: m2 s-2

"specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.[CF-Standard Name]; unit: kg kg-1

surface_downward_x_stress [CF-Standard Name]; unit: kilogramme metre second**-2

"Canopy" means the vegetative covering over a surface. The canopy is often considered to be the outer surfaces of the vegetation. Plant height and the distribution, orientation and shape of plant leaves within a canopy influence the atmospheric environment and many plant processes within the canopy. Reference: AMS Glossary http://glossary.ametsoc.org/wiki/Canopy . "Throughfall" is the part of the precipitation flux that reaches the ground directly through the vegetative canopy, through spaces in the canopy, and as drip from the leaves, twigs, and stems (but not including snowmelt). In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: millimetre second**-1

"x" indicates a vector component along the grid x-axis, when this is not true longitude, positive with increasing x. Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.) [CF-Standard Name-vertical_coordinate]; unit: m s-1

Liquid Water Content of Snow Layer

Comment: The total mass of liquid water contained interstitially within the whole depth of the snow layer of the land portion of a grid cell divided by the area of the land portion of the cell.

Used for mip era 'CMIP6' in CMOR MIP table(s): Table Eday; Table LImon, provided in frequency(s): day; mon, and for Realm(s): land; landIce.

Codelist created on 2019-02-01 from https://github.com/PCMDI/cmip6-cmor-tables (CMOR Version=3.4; table_date(s):14 December 2018) [CF-Standard Name]; unit: kg m-2

Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K

Water means water in all phases. Evaporation is the conversion of liquid or solid into vapor. (The conversion of solid alone into vapor is called sublimation.) In accordance with common usage in geophysical disciplines, flux implies per unit area, called flux density in physics. [CF-Standard Name]; unit: millimetre second**-1

"specific" means per unit mass. Specific humidity is the mass fraction of water

vapor in (moist) air.[CF-Standard Name-vertical_coordinate]; unit: kg kg-1

"y" indicates a vector component along the grid y-axis, when this is not true latitude, positive with increasing y. Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.)[CF-Standard Name]; unit: m s-1

sea_level means mean sea level, which is close to the geoid in sea areas. Air pressure at sea level is the quantity often abbreviated as MSLP or PMSL.[CF-Standard Name]; unit: Pa

The surface called "surface" means the lower boundary of the atmosphere. "Northward" indicates a vector component which is positive when directed northward (negative southward). "Downward" indicates a vector component which is positive when directed downward (negative upward). "Downward northward" indicates the ZY component of a tensor. A downward northward stress is a downward flux of northward momentum, which accelerates the lower medium northward and the upper medium southward. The surface downward stress is the windstress on the surface. [CF-Standard Name]; unit: Pa

"longwave" means longwave radiation. "Downward" indicates a vector component which is positive when directed downward (negative upward). Net downward radiation is the difference between radiation from above (downwelling) and radiation from below (upwelling). In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.[CF-Standard Name]; unit: W m-2

[CF-Standard Name]; unit: millimetre**3 millimetre**-3

Evaporation from Canopy [CF-Standard Name]; unit: millimetre second**-1

The surface called "surface" means the lower boundary of the atmosphere. "Downward" indicates a vector component which is positive when directed downward (negative upward). The surface sensible heat flux, also called "turbulent" heat flux, is the exchange of heat between the surface and the air by motion of air. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.[CF-Standard Name]; unit: W m-2

frozen_water_content_of_soil_layer [CF-Standard Name]; unit: kg m-2

Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure. [CF-Standard Name]; unit: K

Soil suction is the tensile stress on water in soil due to molecular forces acting at the water-soil particle boundary. The forces may cause water to be drawn into the spaces within the soil matrix or cause it to be held in the soil without draining. Soil suction occurs in soil above the water table. [CF-Standard Name]; unit: kPa

"lwe" means liquid water equivalent. "moisture" means water in all phases contained in soil. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area. "Content" indicates a quantity per unit area. "Layer" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Quantities defined for a soil layer must have a vertical coordinate variable with boundaries indicating the extent of the layer(s).[CF-Standard Name]; unit: m

"Amount" means mass per unit area.[CF-Standard Name]; unit: kg m-2

surface_downward_y_stress [CF-Standard Name]; unit: kilogramme metre second**-2

"X_area_fraction" means the fraction of horizontal area occupied by X. "X_area" means the horizontal area occupied by X within the grid cell. Cloud area fraction is also called "cloud amount" and "cloud cover". The cloud area fraction is for the whole atmosphere column, as seen from the surface or the top of the atmosphere. The cloud area fraction in a layer of the atmosphere has the standard name cloud_area_fraction_in_atmosphere_layer. [CF-Standard Name]; unit: 1

"y" indicates a vector component along the grid y-axis, when this is not true latitude, positive with increasing y. Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.) [CF-Standard Name-vertical_coordinate]; unit: m s-1

The surface called "surface" means the lower boundary of the atmosphere. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. For unit "m day-1" the water equivalent of snow melt is given. [CF-Standard Name]; unit: millimetre second**-1

The surface called "surface" means the lower boundary of the atmosphere. "Eastward" indicates a vector component which is positive when directed eastward (negative westward). "Downward" indicates a vector component which is positive when directed downward (negative upward). "Downward eastward" indicates the ZX component of a tensor. A downward eastward stress is a downward flux of eastward momentum, which accelerates the lower medium eastward and the upper medium westward. The surface downward stress is the windstress on the surface. [CF-Standard Name]; unit: Pa

"Amount" means mass per unit area. "Precipitation" in the earths atmosphere means precipitation of water in all phases. [CF-Standard Name]; unit: kg m-2

Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name-vertical_coordinate]; unit: K

"x" indicates a vector component along the grid x-axis, when this is not true longitude, positive with increasing x. Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.)[CF-Standard Name]; unit: m s-1

Mean Age of Snow

Comment: Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights. Reported as missing data in regions free of snow on land.

Used for mip era 'CMIP6' in CMOR MIP table(s): Table Eday; Table LImon, provided in frequency(s): day; mon, and for Realm(s): land; landIce.

Codelist created on 2019-02-01 from https://github.com/PCMDI/cmip6-cmor-tables (CMOR Version=3.4; table_date(s):14 December 2018) [CF-Standard Name]; unit: 1

Soil temperature is the bulk temperature of the soil, not the surface (skin) temperature. [CF-Standard Name]; unit: K

The surface called "surface" means the lower boundary of the atmosphere.[CF-Standard Name]; unit: Pa

Speed is the magnitude of velocity. Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.) The wind speed is the magnitude of the wind velocity.[CF-Standard Name]; unit: m s-1

"Amount" means mass per unit area.[CF-Standard Name]; unit: kg m-2

not filled; unit: millimetre second**-1

surface_snow_thickness [CF-Standard Name]; unit: m

In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: millimetre second**-1

"specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.[CF-Standard Name]; unit: kg kg-1

The surface called "surface" means the lower boundary of the atmosphere.[CF-Standard Name]; unit: 1

The surface called "surface" means the lower boundary of the atmosphere. "Downward" indicates a vector component which is positive when directed downward (negative upward). The surface sensible heat flux, also called "turbulent" heat flux, is the exchange of heat between the surface and the air by motion of air. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.[CF-Standard Name]; unit: W m-2

Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name-vertical_coordinate]; unit: K

Soil temperature is the bulk temperature of the soil, not the surface (skin) temperature. [CF-Standard Name-vertical_coordinate]; unit: K

The surface called "surface" means the lower boundary of the atmosphere. Downwelling radiation is radiation from above. It does not mean "net downward". The sign convention is that "upwelling" is positive upwards and "downwelling" is positive downwards. "Photosynthetic" radiation is the part of the spectrum which is used in photosynthesis e.g. 400-700 nm. The range of wavelengths could be specified precisely by the bounds of a coordinate of radiation_wavelength. A photon flux is specified in terms of numbers of photons expressed in moles. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: umol metre**-2 second**-1

The surface called "surface" means the lower boundary of the atmosphere. "Downward" indicates a vector component which is positive when directed downward (negative upward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.[CF-Standard Name]; unit: W m-2

relative_humidity-at2m [CF-Standard Name-vertical_coordinate]; unit: 0.01

rainfall_rate [CF-Standard Name]; unit: millimetre second**-1