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The National Snow and Ice Data Center offers hundreds of data products and services to researchers, commercial applications users, and others worldwide, most often at no cost, thanks to the generosity of our data providers.

The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers, researchers, and others whose work requires a detailed and acurate knowledge of the depth and the shape of the Arctic seabed.Initiated in 199

permafrost

The National Pollutant Release Inventory (NPRI) provides Canadians with access to information on the releases and transfers of key pollutants in their communities.

Shapefiles of Alberta geology are available in geographic (lat-long, NAD83) coordinates. The files are in zip format (prepared using WinZip 8.0), and include both the shapefile and a metadata record.

Variable Definition Data table VP Mean hourly vapour pressure (kilopascals) dt_vapp.dbf WI Mean hourly wind speed km/hr) dt_wind.dbf SH Total duration of bright sunshine (hrs) dt_sunh.dbf SR Mean daily global solar radiation (megajoules/sq.