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wdc-climate.de:3105178 eng; USA collection CCA4a2 Dr. Michael Lautenschlager Deutsches Klimarechenzentrum http://www.dkrz.de/ pointOfContact Prof. Gregory M. Flato Canadian Centre for Climate Modelling and Analysis http://www.cccma.ec.gc.ca pointOfContact 2019-07-02T10:57:30 ISO 19115 ISO 19115-2:2009 CanAM4 model output prepared for CMIP5 amip4xCO2, served by ESGF 2015-01-12 publication 1 CCA4a2 doi:10.1594/WDCC/CMIP5.CCA4a2 Prof. Gregory M. Flato Canadian Centre for Climate Modelling and Analysis http://www.cccma.ec.gc.ca Email: greg.flato@ec.gc.ca principalInvestigator Prof. Gregory M. Flato Canadian Centre for Climate Modelling and Analysis http://www.cccma.ec.gc.ca Email: greg.flato@ec.gc.ca author WDC Climate at DKRZ publisher 'amip4xco2' is an experiment of the CMIP5 - Coupled Model Intercomparison Project Phase 5 (https://pcmdi.llnl.gov/mips/cmip5). CMIP5 is meant to provide a framework for coordinated climate change experiments for the next five years and thus includes simulations for assessment in the AR5 as well as others that extend beyond the AR5. 6.5 amip4xco2 (6.5 4xCO2 AMIP) - Version 1: Identical to expt. 6.2b, but with AMIP SSTs prescribed as in expt. 3.3 (which is the control for this run). Experiment design: https://pcmdi.llnl.gov/mips/cmip5/experiment_design.html List of output variables: https://pcmdi.llnl.gov/mips/cmip5/datadescription.html Output: time series per variable in model grid spatial resolution in netCDF format Earth System model and the simulation information: CIM repository Entry name/title of data are specified according to the Data Reference Syntax (https://pcmdi.llnl.gov/mips/cmip5/docs/cmip5_data_reference_syntax.pdf) as activity/product/institute/model/experiment/frequency/modeling realm/MIP table/ensemble member/version number/variable name/CMOR filename.nc. Prof. Gregory M. Flato Canadian Centre for Climate Modelling and Analysis http://www.cccma.ec.gc.ca pointOfContact NetCDF CCCma CMIP5 CanAM4 IPCC IPCC-AR5 IPCC-DDC WGI amip4xCO2 climate simulation unrestricted: unrestricted eng; USA 0.0 360.0 -90.0 90.0 proleptic_gregorian 1950-01-16 2010-01-01 mass_fraction_of_cloud_ice_in_air Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of Y to the mass of X (including Y). [CF-Standard Name]; unit: 1 lagrangian_tendency_of_air_pressure "tendency_of_X" means derivative of X with respect to time. The Lagrangian tendency of a quantity is its rate of change following the motion of the fluid, also called the "material derivative" or "convective derivative". The Lagrangian tendency of air pressure, often called "omega", plays the role of the upward component of air velocity when air pressure is being used as the vertical coordinate. If the vertical air velocity is upwards, it is negative when expressed as a tendency of air pressure; downwards is positive.[CF-Standard Name]; unit: Pa s-1 air_pressure_at_convective_cloud_top air_pressure_at_convective_cloud_top [CF-Standard Name]; unit: Pa toa_outgoing_longwave_flux "longwave" means longwave radiation. "toa" means top of atmosphere. The TOA outgoing longwave flux is the upwelling thermal radiative flux, often called the "outgoing longwave radiation" or "OLR". 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 eastward_wind "Eastward" indicates a vector component which is positive when directed eastward (negative westward). 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 northward_wind "Northward" indicates a vector component which is positive when directed northward (negative southward). 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 surface_downwelling_shortwave_flux_in_air_assuming_clear_sky surface_downwelling_shortwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 air_pressure_at_convective_cloud_base air_pressure_at_convective_cloud_base [CF-Standard Name]; unit: Pa relative_humidity relative_humidity [CF-Standard Name]; unit: 0.01 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_heterogeneous_nucleation_from_water_vapor Tendency of Mass Fraction of Stratiform Cloud Ice due to Heterogeneous Nucleation From Water Vapor [CF-Standard Name]; unit: s-1 northward_wind "Northward" indicates a vector component which is positive when directed northward (negative southward). 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 precipitation_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 upwelling_longwave_flux_in_air "longwave" means longwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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_pressure_at_convective_cloud_base air_pressure_at_convective_cloud_base [CF-Standard Name]; unit: Pa tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_aggregation Tendency of Mass Fraction of Stratiform Cloud Ice due to Aggregation [CF-Standard Name]; unit: s-1 tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_accretion_to_rain Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Accretion to Rain [CF-Standard Name]; unit: s-1 tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_condensation_and_evaporation Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Condensation and Evaporation [CF-Standard Name]; unit: s-1 net_downward_radiative_flux_at_top_of_atmosphere_model Net Downward Flux at Top of Model [CF-Standard Name]; unit: W m-2 tendency_of_air_temperature_due_to_stratiform_cloud_and_precipitation_and_boundary_layer_mixing Tendency of Air Temperature Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing [CF-Standard Name]; unit: K s-1 tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_melting_from_cloud_ice Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Melting From Cloud Ice [CF-Standard Name]; unit: s-1 tendency_of_mass_fraction_of_stratiform_cloud_condensed_water_in_air_due_to_autoconversion_to_snow Tendency of Mass Fraction of Stratiform Cloud Condensed Water due to Autoconversion to Snow [CF-Standard Name]; unit: s-1 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 toa_outgoing_shortwave_flux_assuming_clear_sky toa_outgoing_shortwave_flux_assuming_clear_sky [CF-Standard Name]; unit: W m-2 air_temperature Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K toa_bidirectional_reflectance PARASOL Reflectance [CF-Standard Name]; unit: 1 surface_upwelling_shortwave_flux_in_air_assuming_clear_sky surface_upwelling_shortwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 surface_upwelling_shortwave_flux_in_air The surface called "surface" means the lower boundary of the atmosphere. "shortwave" means shortwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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 cloud_albedo ISCCP Mean Cloud Albedo [CF-Standard Name]; unit: 1 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 atmosphere_water_vapor_content "Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. Atmosphere water vapor content is sometimes referred to as "precipitable water", although this term does not imply the water could all be precipitated.[CF-Standard Name]; unit: kg m-2 atmosphere_mass_content_of_cloud_ice Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. [CF-Standard Name]; unit: kg m-2 convective_precipitation_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 air_pressure_at_convective_cloud_top air_pressure_at_convective_cloud_top [CF-Standard Name]; unit: Pa air_temperature Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K toa_outgoing_longwave_flux "longwave" means longwave radiation. "toa" means top of atmosphere. The TOA outgoing longwave flux is the upwelling thermal radiative flux, often called the "outgoing longwave radiation" or "OLR". 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 runoff_flux Runoff is the liquid water which drains from land. If not specified, "runoff" refers to the sum of surface runoff and subsurface drainage. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_riming Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Riming [CF-Standard Name]; unit: s-1 atmosphere_momentum_diffusivity diffusion coefficient of momentum [CF-Standard Name]; unit: m2 s-1 toa_outgoing_shortwave_flux "shortwave" means shortwave radiation. "toa" means top of atmosphere. The TOA outgoing shortwave flux is the reflected and scattered solar radiative flux i.e. the "upwelling" TOA shortwave flux, sometimes called the "outgoing shortwave radiation" or "OSR". 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_upward_sensible_heat_flux The surface called "surface" means the lower boundary of the atmosphere. "Upward" indicates a vector component which is positive when directed upward (negative downward). 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 tendency_of_air_temperature_due_to_model_physics Tendency of Air Temperature due to Diabatic Processes [CF-Standard Name]; unit: K s-1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_melting_to_rain Tendency of Mass Fraction of Stratiform Cloud Ice due to Melting to Rain [CF-Standard Name]; unit: s-1 atmosphere_net_upward_convective_mass_flux atmosphere_net_upward_convective_mass_flux [CF-Standard Name]; unit: kg m-2 s-1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_evaporation_of_melting_ice Tendency of Mass Fraction of Stratiform Cloud Ice due to Evaporation of Melting Ice [CF-Standard Name]; unit: s-1 upwelling_shortwave_flux_in_air_assuming_clear_sky Upwelling Clear-Sky Shortwave Radiation [CF-Standard Name]; unit: W m-2 tendency_of_mass_fraction_of_stratiform_cloud_condensed_water_in_air_due_to_icefall Tendency of Mass Fraction of Stratiform Cloud Condensed Water due to Icefall [CF-Standard Name]; unit: s-1 downwelling_longwave_flux_in_air downwelling_longwave_flux_in_air [CF-Standard Name]; unit: W m-2 surface_upwelling_shortwave_flux_in_air The surface called "surface" means the lower boundary of the atmosphere. "shortwave" means shortwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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 northward_wind "Northward" indicates a vector component which is positive when directed northward (negative southward). 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 geopotential_height Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface. [CF-Standard Name]; unit: m relative_humidity relative_humidity [CF-Standard Name]; unit: 0.01 isccp_cloud_area_fraction ISCCP Cloud Area Fraction [CF-Standard Name]; unit: 0.01 surface_downward_eastward_stress 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 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 convective_precipitation_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 geopotential_height Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface. [CF-Standard Name]; unit: m surface_downwelling_shortwave_flux_in_air surface_downwelling_shortwave_flux_in_air [CF-Standard Name]; unit: W m-2 atmosphere_cloud_condensed_water_content "condensed_water" means liquid and ice. "Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. [CF-Standard Name]; unit: kg m-2 toa_outgoing_longwave_flux "longwave" means longwave radiation. "toa" means top of atmosphere. The TOA outgoing longwave flux is the upwelling thermal radiative flux, often called the "outgoing longwave radiation" or "OLR". 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_and_ice_sublimation_flux Sublimation over Sea Ice [CF-Standard Name]; unit: kg m-2 s-1 atmosphere_mass_content_of_cloud_ice Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. [CF-Standard Name]; unit: kg m-2 tendency_of_mass_fraction_of_stratiform_cloud_condensed_water_in_air_due_to_condensation_and_evaporation Tendency of Mass Fraction of Stratiform Cloud Condensed Water due to Condensation and Evaporation [CF-Standard Name]; unit: s-1 eastward_wind "Eastward" indicates a vector component which is positive when directed eastward (negative westward). 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 tendency_of_air_temperature "tendency_of_X" means derivative of X with respect to time. Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K s-1 toa_outgoing_longwave_flux_assuming_clear_sky A phrase assuming_condition indicates that the named quantity is the value which would obtain if all aspects of the system were unaltered except for the assumption of the circumstances specified by the condition. "longwave" means longwave radiation. "toa" means top of atmosphere. The TOA outgoing longwave flux is the upwelling thermal radiative flux, often called the "outgoing longwave radiation" or "OLR". 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 tendency_of_specific_humidity_due_to_stratiform_cloud_and_precipitation_and_boundary_layer_mixing Tendency of Specific Humidity due to Stratiform Cloud Condensation and Evaporation [CF-Standard Name]; unit: s-1 downwelling_shortwave_flux_in_air downwelling_shortwave_flux_in_air [CF-Standard Name]; unit: W m-2 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 soil_frozen_water_content Soil Frozen Water Content [CF-Standard Name]; unit: kg m-2 surface_temperature The surface called "surface" means the lower boundary of the atmosphere. The surface temperature is the (skin) temperature at the interface, not the bulk temperature of the medium above or below. [CF-Standard Name]; unit: K air_temperature Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K cloud_albedo ISCCP Mean Cloud Albedo [CF-Standard Name]; unit: 1 cloud_area_fraction "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: 0.01 tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_heterogeneous_nucleation Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Heterogeneous Nucleation [CF-Standard Name]; unit: s-1 atmosphere_updraft_convective_mass_flux Updraught Convective Mass Flux [CF-Standard Name]; unit: kg m-2 s-1 atmosphere_net_upward_convective_mass_flux atmosphere_net_upward_convective_mass_flux [CF-Standard Name]; unit: kg m-2 s-1 surface_upward_sensible_heat_flux The surface called "surface" means the lower boundary of the atmosphere. "Upward" indicates a vector component which is positive when directed upward (negative downward). 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 toa_incoming_shortwave_flux "shortwave" means shortwave radiation. "toa" means top of atmosphere. The TOA incoming shortwave flux is the radiative flux from the sun i.e. the "downwelling" TOA shortwave flux. 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_upwelling_longwave_flux_in_air The surface called "surface" means the lower boundary of the atmosphere. "longwave" means longwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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_temperature The surface called "surface" means the lower boundary of the atmosphere. The surface temperature is the (skin) temperature at the interface, not the bulk temperature of the medium above or below. [CF-Standard Name]; unit: K mass_fraction_of_cloud_ice_in_air Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of Y to the mass of X (including Y). [CF-Standard Name]; unit: 1 surface_upwelling_shortwave_flux_in_air_assuming_clear_sky surface_upwelling_shortwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 toa_incoming_shortwave_flux "shortwave" means shortwave radiation. "toa" means top of atmosphere. The TOA incoming shortwave flux is the radiative flux from the sun i.e. the "downwelling" TOA shortwave flux. 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 mass_fraction_of_stratiform_cloud_liquid_water_in_air Mass Fraction of Stratiform Cloud Liquid Water [CF-Standard Name]; unit: 1 specific_humidity "specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.[CF-Standard Name]; unit: 1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_riming_from_rain Tendency of Mass Fraction of Stratiform Cloud Ice due to Riming From Rain [CF-Standard Name]; unit: s-1 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 air_pressure_at_cloud_top air_pressure_at_cloud_top [CF-Standard Name]; unit: Pa atmosphere_net_upward_deep_convective_mass_flux atmosphere_net_upward_deep_convective_mass_flux [CF-Standard Name]; unit: kg m-2 s-1 tendency_of_specific_humidity Specific humidity is the mass fraction of water vapor in (moist) air. [CF-Standard Name]; unit: s-1 moisture_content_of_soil_layer moisture_content_of_soil_layer [CF-Standard Name]; unit: kg m-2 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_deposition_and_sublimation Tendency of Mass Fraction of Stratiform Cloud Ice due to Deposition and Sublimation [CF-Standard Name]; unit: s-1 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 surface_upwelling_longwave_flux_in_air The surface called "surface" means the lower boundary of the atmosphere. "longwave" means longwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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 relative_humidity [CF-Standard Name]; unit: 0.01 cloud_area_fraction "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: 0.01 toa_outgoing_shortwave_flux_assuming_clear_sky toa_outgoing_shortwave_flux_assuming_clear_sky [CF-Standard Name]; unit: W m-2 air_pressure_at_sea_level 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 cloud_area_fraction "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: 0.01 toa_outgoing_longwave_flux_assuming_clear_sky A phrase assuming_condition indicates that the named quantity is the value which would obtain if all aspects of the system were unaltered except for the assumption of the circumstances specified by the condition. "longwave" means longwave radiation. "toa" means top of atmosphere. The TOA outgoing longwave flux is the upwelling thermal radiative flux, often called the "outgoing longwave radiation" or "OLR". 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 specific_humidity "specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.[CF-Standard Name]; unit: 1 precipitation_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 snowfall_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 surface_upward_latent_heat_flux The surface called "surface" means the lower boundary of the atmosphere. "Upward" indicates a vector component which is positive when directed upward (negative downward). 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 toa_outgoing_shortwave_flux_assuming_clear_sky toa_outgoing_shortwave_flux_assuming_clear_sky [CF-Standard Name]; unit: W m-2 surface_downwelling_longwave_flux_in_air surface_downwelling_longwave_flux_in_air [CF-Standard Name]; unit: W m-2 tendency_of_specific_humidity_due_to_model_physics Tendency of Specific Humidity due to Model Physics [CF-Standard Name]; unit: s-1 stratiform_cloud_area_fraction_in_atmosphere_layer grid scale cloud area fraction. Layer" means any layer with upper and lower boundaries that have constant valu es 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. "X_area_fraction" means the fraction of horizontal area occupied by X. "X_area" means the horizontal area occu pied by X within the grid cell. Cloud area fraction is also called "cloud amount" and "cloud cover". In an atmosphere model, stratiform clou d is that produced by large-scale convergence (not the convection schemes). [CF-Standard Name]; unit: 0.01 soil_temperature Soil temperature is the bulk temperature of the soil, not the surface (skin) temperature. [CF-Standard Name]; unit: K upwelling_shortwave_flux_in_air "shortwave" means shortwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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_downwelling_longwave_flux_in_air_assuming_clear_sky surface_downwelling_longwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 mass_fraction_of_stratiform_cloud_ice_in_air Mass Fraction of Stratiform Cloud Ice [CF-Standard Name]; unit: 1 water_evaporation_flux "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: kg m-2 s-1 atmosphere_water_vapor_content "Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. Atmosphere water vapor content is sometimes referred to as "precipitable water", although this term does not imply the water could all be precipitated.[CF-Standard Name]; unit: kg m-2 tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_accretion_to_snow Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Accretion to Snow [CF-Standard Name]; unit: s-1 tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_convective_detrainment Tendency of Mass Fraction of Stratiform Cloud Liquid Water Due to Convective Detrainment [CF-Standard Name]; unit: s-1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_homogeneous_nucleation Tendency of Mass Fraction of Stratiform Cloud Ice due to Homogeneous Nucleation [CF-Standard Name]; unit: s-1 surface_downwelling_longwave_flux_in_air surface_downwelling_longwave_flux_in_air [CF-Standard Name]; unit: W m-2 surface_downwelling_shortwave_flux_in_air_assuming_clear_sky surface_downwelling_shortwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 surface_upward_latent_heat_flux The surface called "surface" means the lower boundary of the atmosphere. "Upward" indicates a vector component which is positive when directed upward (negative downward). 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 specific_humidity "specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.[CF-Standard Name]; unit: 1 eastward_wind "Eastward" indicates a vector component which is positive when directed eastward (negative westward). 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 toa_incoming_shortwave_flux "shortwave" means shortwave radiation. "toa" means top of atmosphere. The TOA incoming shortwave flux is the radiative flux from the sun i.e. the "downwelling" TOA shortwave flux. 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_upward_latent_heat_flux The surface called "surface" means the lower boundary of the atmosphere. "Upward" indicates a vector component which is positive when directed upward (negative downward). 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 surface_downwelling_shortwave_flux_in_air surface_downwelling_shortwave_flux_in_air [CF-Standard Name]; unit: W m-2 net_downward_radiative_flux_at_top_of_atmosphere_model Net Downward Flux at Top of Model [CF-Standard Name]; unit: W m-2 surface_upwelling_shortwave_flux_in_air_assuming_clear_sky surface_upwelling_shortwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 air_temperature Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_autoconversion Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Autoconversion [CF-Standard Name]; unit: s-1 tendency_of_air_temperature_due_to_convection Tendency of Air Temperature due to Moist Convection [CF-Standard Name]; unit: K s-1 tendency_of_mass_fraction_of_stratiform_cloud_condensed_water_in_air_due_to_autoconversion_to_rain Tendency of Mass Fraction of Stratiform Cloud Condensed Water due to Autoconversion to Rain [CF-Standard Name]; unit: s-1 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 convection_time_fraction convection_time_fraction [CF-Standard Name]; unit: 1 water_evaporation_flux_from_canopy Evaporation from Canopy [CF-Standard Name]; unit: kg m-2 s-1 surface_snow_and_ice_sublimation_flux Sublimation over Sea Ice [CF-Standard Name]; unit: kg m-2 s-1 shallow_convection_time_fraction shallow_convection_time_fraction [CF-Standard Name]; unit: 1 convective_precipitation_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_icefall Tendency of Mass Fraction of Stratiform Cloud Ice due to Icefall [CF-Standard Name]; unit: s-1 temperature_in_surface_snow temperature_in_surface_snow [CF-Standard Name]; unit: K tendency_of_mass_fraction_of_stratiform_cloud_liquid_water_in_air_due_to_homogeneous_nucleation Tendency of Mass Fraction of Stratiform Cloud Liquid Water due to Homogeneous Nucleation [CF-Standard Name]; unit: s-1 mass_fraction_of_cloud_liquid_water_in_air Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of Y to the mass of X (including Y). [CF-Standard Name]; unit: 1 upwelling_longwave_flux_in_air_assuming_clear_sky Upwelling Clear-Sky Longwave Radiation 4XCO2 Atmosphere [CF-Standard Name]; unit: W m-2 cloud_area_fraction "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: 0.01 surface_snow_amount surface_snow_amount [CF-Standard Name]; unit: kg m-2 specific_humidity "specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.[CF-Standard Name]; unit: 1 water_evaporation_flux_from_soil 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: kg m-2 s-1 air_pressure_at_convective_cloud_top air_pressure_at_convective_cloud_top [CF-Standard Name]; unit: Pa histogram_of_backscattering_ratio_over_height_above_reference_ellipsoid CALIPSO Scattering Ratio [CF-Standard Name]; unit: 1 histogram_of_equivalent_reflectivity_factor_over_height_above_reference_ellipsoid CloudSat Radar Reflectivity CFAD [CF-Standard Name]; unit: 1 mass_fraction_of_cloud_liquid_water_in_air Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of Y to the mass of X (including Y). [CF-Standard Name]; unit: 1 air_pressure_at_convective_cloud_base air_pressure_at_convective_cloud_base [CF-Standard Name]; unit: Pa atmosphere_cloud_condensed_water_content "condensed_water" means liquid and ice. "Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. [CF-Standard Name]; unit: kg m-2 cloud_area_fraction "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: 0.01 atmosphere_mass_content_of_cloud_ice Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. [CF-Standard Name]; unit: kg m-2 toa_outgoing_longwave_flux_assuming_clear_sky A phrase assuming_condition indicates that the named quantity is the value which would obtain if all aspects of the system were unaltered except for the assumption of the circumstances specified by the condition. "longwave" means longwave radiation. "toa" means top of atmosphere. The TOA outgoing longwave flux is the upwelling thermal radiative flux, often called the "outgoing longwave radiation" or "OLR". 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 lagrangian_tendency_of_air_pressure "tendency_of_X" means derivative of X with respect to time. The Lagrangian tendency of a quantity is its rate of change following the motion of the fluid, also called the "material derivative" or "convective derivative". The Lagrangian tendency of air pressure, often called "omega", plays the role of the upward component of air velocity when air pressure is being used as the vertical coordinate. If the vertical air velocity is upwards, it is negative when expressed as a tendency of air pressure; downwards is positive.[CF-Standard Name]; unit: Pa s-1 surface_air_pressure The surface called "surface" means the lower boundary of the atmosphere.[CF-Standard Name]; unit: Pa surface_upwelling_shortwave_flux_in_air The surface called "surface" means the lower boundary of the atmosphere. "shortwave" means shortwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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_downwelling_longwave_flux_in_air_assuming_clear_sky surface_downwelling_longwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 surface_air_pressure The surface called "surface" means the lower boundary of the atmosphere.[CF-Standard Name]; unit: Pa moisture_content_of_soil_layer moisture_content_of_soil_layer [CF-Standard Name]; unit: kg m-2 tendency_of_specific_humidity_due_to_convection The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "tendency_of_X" means derivati ve of X with respect to time. "specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air. [CF-Standard Name]; unit: s-1 surface_snow_thickness surface_snow_thickness [CF-Standard Name]; unit: m cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 relative_humidity relative_humidity [CF-Standard Name]; unit: 0.01 snowfall_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 transpiration_flux In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 atmosphere_downdraft_convective_mass_flux Downdraught Convective Mass Flux [CF-Standard Name]; unit: kg m-2 s-1 atmosphere_cloud_condensed_water_content "condensed_water" means liquid and ice. "Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. [CF-Standard Name]; unit: kg m-2 cloud_area_fraction "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: 0.01 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_convective_detrainment Tendency of Mass Fraction of Stratiform Cloud Ice Due Convective Detrainment [CF-Standard Name]; unit: s-1 surface_downwelling_shortwave_flux_in_air_assuming_clear_sky surface_downwelling_shortwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 downwelling_longwave_flux_in_air_assuming_clear_sky Downwelling Clear-Sky Longwave Radiation [CF-Standard Name]; unit: W m-2 soil_moisture_content "moisture" means water in all phases contained in soil. "Content" indicates a quantity per unit area. The "soil content" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used. [CF-Standard Name]; unit: kg m-2 air_temperature Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K lagrangian_tendency_of_air_pressure "tendency_of_X" means derivative of X with respect to time. The Lagrangian tendency of a quantity is its rate of change following the motion of the fluid, also called the "material derivative" or "convective derivative". The Lagrangian tendency of air pressure, often called "omega", plays the role of the upward component of air velocity when air pressure is being used as the vertical coordinate. If the vertical air velocity is upwards, it is negative when expressed as a tendency of air pressure; downwards is positive.[CF-Standard Name]; unit: Pa s-1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_accretion_to_snow Tendency of Mass Fraction of Stratiform Cloud Ice due to Accretion to Snow [CF-Standard Name]; unit: s-1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_riming_from_cloud_liquid_water Tendency of Mass Fraction of Stratiform Cloud Ice due to Riming From Cloud Liquid Used in MIP table(s): CMOR Table cfMon: CFMIP Monthly-Mean Cloud Diagnostic Fields Code list created on 2012-10-16 out of standard_output document (http://cmip-pcmdi.llnl.gov/cmip5/docs/standard_output.xlsx ) cf:Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. Riming is the rapid freezing of supercooled water onto a surface. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes). The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "tendency_of_X" means derivative of X with respect to time. [CF-Standard Name]; unit: s-1 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 northward_wind "Northward" indicates a vector component which is positive when directed northward (negative southward). 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 air_pressure_at_cloud_top air_pressure_at_cloud_top [CF-Standard Name]; unit: Pa air_temperature Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K toa_outgoing_shortwave_flux "shortwave" means shortwave radiation. "toa" means top of atmosphere. The TOA outgoing shortwave flux is the reflected and scattered solar radiative flux i.e. the "upwelling" TOA shortwave flux, sometimes called the "outgoing shortwave radiation" or "OSR". 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 cloud_area_fraction "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: 0.01 cloud_area_fraction_in_atmosphere_layer "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. "X_area_fraction" means the fraction ofhorizontal 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". [CF-Standard Name]; unit: 0.01 surface_upward_sensible_heat_flux The surface called "surface" means the lower boundary of the atmosphere. "Upward" indicates a vector component which is positive when directed upward (negative downward). 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 surface_downwelling_longwave_flux_in_air_assuming_clear_sky surface_downwelling_longwave_flux_in_air_assuming_clear_sky [CF-Standard Name]; unit: W m-2 surface_downwelling_longwave_flux_in_air surface_downwelling_longwave_flux_in_air [CF-Standard Name]; unit: W m-2 toa_outgoing_shortwave_flux "shortwave" means shortwave radiation. "toa" means top of atmosphere. The TOA outgoing shortwave flux is the reflected and scattered solar radiative flux i.e. the "upwelling" TOA shortwave flux, sometimes called the "outgoing shortwave radiation" or "OSR". 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 water_evaporation_flux "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: kg m-2 s-1 surface_air_pressure The surface called "surface" means the lower boundary of the atmosphere.[CF-Standard Name]; unit: Pa air_temperature Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name]; unit: K surface_downward_northward_stress 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 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_melting_to_cloud_liquid_water Tendency of Mass Fraction of Stratiform Cloud Ice due to Melting to Cloud Liquid Used in MIP table(s): CMOR Table cfMon: CFMIP Monthly-Mean Cloud Diagnostic Fields Code list created on 2012-10-16 out of standard_output document (http://cmip-pcmdi.llnl.gov/cmip5/docs/standard_output.xlsx ) cf:Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes). The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "tendency_of_X" means derivative of X with respect to time. [CF-Standard Name]; unit: s-1 eastward_wind "Eastward" indicates a vector component which is positive when directed eastward (negative westward). 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 surface_downwelling_shortwave_flux_in_air surface_downwelling_shortwave_flux_in_air [CF-Standard Name]; unit: W m-2 toa_bidirectional_reflectance PARASOL Reflectance [CF-Standard Name]; unit: 1 atmosphere_heat_diffusivity diffusion coefficient of heat [CF-Standard Name]; unit: m2 s-1 downwelling_shortwave_flux_in_air_assuming_clear_sky Downwelling Clear-Sky Shortwave Radiation [CF-Standard Name]; unit: W m-2 tendency_of_air_temperature_due_to_radiative_heating Tendency of Air Temperature due to Radiative Heating [CF-Standard Name]; unit: K s-1 surface_runoff_flux The surface called "surface" means the lower boundary of the atmosphere. Runoff is the liquid water which drains from land. If not specified, "runoff" refers to the sum of surface runoff and subsurface drainage. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. [CF-Standard Name]; unit: kg m-2 s-1 surface_snow_melt_flux 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: kg m-2 s-1 tendency_of_mass_fraction_of_stratiform_cloud_ice_in_air_due_to_heterogeneous_nucleation_from_cloud_liquid_water Tendency of Mass Fraction of Stratiform Cloud Ice due to Heterogeneous Nucleation From Cloud Liquid Used in MIP table(s): CMOR Table cfMon: CFMIP Monthly-Mean Cloud Diagnostic Fields Code list created on 2012-10-16 out of standard_output document (http://cmip-pcmdi.llnl.gov/cmip5/docs/standard_output.xlsx ) cf:Mass fraction is used in the construction mass_fraction_of_X_in_Y, whereX is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes). The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. 'tendency_of_X' means derivative of X with respect to time. Heterogeneous nucleation occurs when a small particle of a substance other than water acts as a freezing or condensation nucleus. [CF-Standard Name]; unit: s-1 precipitation_flux_onto_canopy Precipitation onto Canopy [CF-Standard Name]; unit: kg m-2 s-1 air_pressure_at_sea_level 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 surface_snow_area_fraction surface_snow_area_fraction [CF-Standard Name]; unit: 0.01 atmosphere_net_upward_shallow_convective_mass_flux atmosphere_net_upward_shallow_convective_mass_flux [CF-Standard Name]; unit: kg m-2 s-1 surface_upwelling_longwave_flux_in_air The surface called "surface" means the lower boundary of the atmosphere. "longwave" means longwave radiation. Upwelling radiation is radiation from below. It does not mean "net upward". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". 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 NetCDF 353339 https://www.wdc-climate.de/ui/entry?acronym=CCA4a2 information collection