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Canadian Climate Centre Model Outputs for Carbon Dioxide Studies

The second generation General Circulation Model (GCMII) at the Canadian Climate Centre was used to run a CO2 experiment in which the current climate (1xCO2) was compared with a new equilibrium climate obtained with twice the amount of atmospheric CO2 (2xCO2). The model was run around November 1989 at T32 resolution, and several surface parameters and 500mb heights were output on a 3.75-degree resolution grid.

For the globe, DSS has monthly 20-year climatologies of some surface parameters. For a North American window (30x19), DSS has 12-hourly data of several surface parameters and 500mb heights and monthly 10-year climatologies created from the aforementioned data.

VARIABLES:

Albedo	Cloud Amount/Frequency	Evaporation	Geopotential Height
Heat Flux	Humidity	Incoming Solar Radiation	Maximum/Minimum Temperature
Net Radiation	Precipitation Rate	Sea Ice Concentration	Sea Level Pressure
Sea Surface Temperature	Skin Temperature	Snow Cover	Soil Moisture/Water Content
Surface Air Temperature	Surface Pressure	Surface Winds

Detailed variable list

Detailed variable list:

Screen Air Temperature (deg C)
Screen Maximum Temperature (deg C)
Screen Minimum Temperature (deg C)
Screen Specific Humidity (kg kg^-1)
Anemometer u-wind (m s^-1)
Anemometer v-wind (m s^-1)
Total Cloud Cover (%)
Surface Pressure (mbar)
500 mb Height (gpm)
Ground (Skin) Temperature (deg C)
Ground Energy Balance (W m^-2)
Surface Albedo (%)
Precipitation (kg m^-2 s^-1)
Evaporation (moisture) Flux (kg m^-2 s^-1)
Sensible Heat Flux (W m^-2)
Net Surface Radiation (W m^-2)
Snow Mass/Area (kg m^-2)
Sea-Ice Mass/Area (kg m^-2)
Frozen Soil Moisture (kg m^-2)
Liquid Soil Moisture (kg m^-2)

LEVELS:

Ground or water surface

500 mbar

TIMES:

Every 12 hours

Monthly Climatology

TYPES:

Grid

COVERAGE:

Longitude Range: Westernmost=180W Easternmost=180E
Latitude Range: Southernmost=87.16S Northernmost=87.16N

Detailed coverage information

Detailed coverage information:
3.75° x ~3.709° from 0E to 360E and 87.16S to 87.16N (97 x 48 Gaussian Longitude/Latitude)
3.75° x ~3.708° from 150W to 41.25W and 20.41N to 87.16N (30 x 19 Gaussian Longitude/Latitude)

SOURCES:

CA/EC/CCCMA

Canadian Centre for Climate Modelling and Analysis, Environment Canada

PUBLICATIONS:

Boer, G.J., N.A. McFarlane, and M. Lazare, 1992: Greenhouse Gas-induced Climate Change Simulated with the CCC Second-Generation General Circulation Model. J. Clim., 5, 1045-1077.

Recommended acknowledgement for this dataset:
"The data for this study are from the Research Data Archive (RDA) which is maintained by the Computational and Information Systems Laboratory (CISL) at the National Center for Atmospheric Research (NCAR). NCAR is sponsored by the National Science Foundation (NSF). The original data are available from the RDA (http://dss.ucar.edu) in dataset number ds318.3."

VOLUME:

2.98 GBytes (Entire dataset)

Volume details by subset

Volume details by subset:
1xCO2 Run (Nov 1989): 1.49 GBytes
2xCO2 Run (Nov 1989): 1.49 GBytes
Model information: 2.81 MBytes

DATA FORMATS:

ASCII (see dataset documentation)

CONTACT:

For assistance with this dataset, please contact Bob Dattore (303-497-1825) . If the specialist is unavailable, please contact Data Help.

DATA ACCESS:

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