OPEN

Accurate hydrologic data (over-lake precipitation, runoff, lake evaporation, net basin supplies, connecting channel flows, diversion flows, beginning-of-month lake levels, and changes in storage) are required for simulation, forecasting, and water resource studies on the Laurentian Great Lakes an

The National Climate Data and Information Archive, operated and maintained by Environment Canada, contains official climate and weather observations for Canada.

online repository in the National Spatial Data Clearinghouse program.

CanImage is an image composed of three spectral bands originating from resampled Landsat 7 orthoimages. They are chosen by the user based on the National Topographic System (NTS) at the 1:50 000 scale.

Find an intersection/address and then click the aerial view option to view the air photo of the area chosen.

geodata.gov is a web-based portal for one-stop access to maps, data and other geospatial services that will simplify the ability of all levels of government and citizens to find geospatial data and learn more about geospatial projects underway.geodata.gov is part of the Geospatial One-Stop initia

CanMatrix is composed of raster data from scanned National Topographic Service (NTS) maps of Canada at the 1:50 000 and 1:250 000 scales. The files are geocoded according to the North American Datum of 1983 (NAD83).