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wdc-climate.de:2000893 eng; USA collection CCCma_CGCM2_SRES_A2 Dr. Hans Luthardt 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 2002-01-28T14:19:19 ISO 19115 ISO 19115-2:2009 IPCC-DDC_CCCma_CGCM2_SRES_A2: 201 YEARS MONTHLY MEANS Canadian Centre for Climate Modelling and Analysis Canada 2004-04-02 publication 1 CCCma_CGCM2_SRES_A2 doi:10.1594/WDCC/CCCma_CGCM2_SRES_A2 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 George J. Boer Canadian Centre for Climate Modelling and Analysis http://www.cccma.ec.gc.ca Email: george.boer@cc.gc.ca author WDC Climate at DKRZ publisher The SRES data sets were published by the IPCC in 2000 and classified into four different scenario families (A1, A2, B1, B2). SRES_A2 storyline describes a very heterogeneous world with the underlying theme of self-reliance and preservation of local identities. It results in this scenario a continous increasing population together with a slower economic growth and technological change. The atmospheric component AGCM2 is a spectral model with triangular truncation at wave no. 32 and 10 vertical levels. The ocean model component based on the GFDL MOM 1.1 code with 29 vertical levels and has a isopycnal / eddy stirring parameterization (Gent and McWilliams, 1990). CGCM2 (http://ec.gc.ca/ccmac-cccma/default.asp?lang=En&n=40D6024E-1 ). The changes of anthropogenic emissions of CO2, CH4, N2O and sulphur dioxide are prescribed according to the above mentioned scenario. These data belongs to a set of three ensemble runs, with the CCCma-model, using the SRES_A2 scenario. They provide monthly averaged values of selected variables for the IPCC-DDC. Prof. Gregory M. Flato Canadian Centre for Climate Modelling and Analysis http://www.cccma.ec.gc.ca pointOfContact GRIB CCCma CCCma CGCM2 IPCC-TAR SRES-A2 SRES_A2 unrestricted: unrestricted eng; USA 0.0 360.0 -90.0 90.0 1900-01-01 2100-12-31 air_temperature-atNearSurface Air temperature is the bulk temperature of the air, not the surface (skin) temperature. [CF-Standard Name-vertical_coordinate]; unit: K 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 x_wind (variance) x_wind-variance [CF-Standard Name (cell_method)]; unit: m2 s-2 air_temperature-atNearSurface (minimum) Air temperature is the bulk temperature of the air, not the surface (skin) temperature. (minimum) [CF-Standard Name-vertical_coordinate-cell_method]; unit: K specific_humidity "specific" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.[CF-Standard Name]; unit: kg kg-1 y_wind "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 wind_speed-atNearSurface wind_speed-atNearSurface [CF-Standard Name-vertical_coordinate]; unit: m 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_downwelling_shortwave_flux_in_air surface_downwelling_shortwave_flux_in_air [CF-Standard Name]; unit: W m-2 x_wind "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 sea_ice_thickness sea_ice_thickness [CF-Standard Name]; unit: kg m-2 geopotential_height (variance) 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. The Cell Method is variance. [CF-Standard Name (cell_method)]; unit: gpm2 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: gpm lwe_convective_precipitation_rate "lwe" means liquid water equivalent. [CF-Standard Name]; unit: mm d-1 snowfall_amount snowfall_amount [CF-Standard Name]; unit: kg m-2 surface_temperature (variance) surface_temperature (variance) [CF-Standard Name (cell_method)]; unit: degC2 air_temperature-atNearSurface (maximum) Air temperature is the bulk temperature of the air, not the surface (skin) temperature. (maximum) [CF-Standard Name-vertical_coordinate-cell_method]; unit: K GRIB 381 https://www.wdc-climate.de/ui/entry?acronym=CCCma_CGCM2_SRES_A2 information collection n/a None