Snow water equivalent survey of the Souris River Basin. Date of survey: March 1976

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Abstract
The accumulation of a large snow pack in the Souris River Basin in Saskatchewan and North Dakota dictated the need to obtain as much water equivalent of snow (WE) information as reasonable. This WE information could then be used by Kansas City River Forecast Center and the Bismarck, North Dakota Weather Service Forecast Office to forecast the Souris River peak flows and flood levels. These data are also vital to the Canadian Department of Environment who must forecast the effects of the snow runoff along those portions of the Souris River in Canada. For this reason the newly assembled RAMS (Remote Airborne Measurement of Snow), operated by EG and G, Incorporated, Las Vegas, Nevada, was deployed to Minot, North Dakota to conduct the survey during March 22-26, 1976 during the snow melt season. Tables are presented to show photopeak count rates and water equivalent results from the Saskatchewan and northern North Dakota survey lines. Qualitatively the airborne results were good for the North Dakota lines. Good agreement with the ground based data was achieved. The airborne system appeared to underestimate the WE for the Canadian lines because of rapid and dynamic melting conditions that were in progress.

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