Abstract
This paper discusses the development and analysis of a hybrid climatology of snow water equivalent (SWE) for the Northern Great Plains of the United States. A physically based snowpack model (SNTHERM) was used to generate a long and complete time series of daily snowpack densities. These values were combined with daily snow depth data from over 800 cooperative observing stations to create a daily climatology of SWE on a 1° latitude by 1° longitude resolution, extending from 1950/1951 through 1998/1999. The long time series and high spatial resolution make this hybrid SWE product well suited for climatological analysis. Numerous studies have documented changes in snow cover extent or snow cover days over the Northern Great Plains, but little research has been done on changes in SWE due to a lack of suitable data. Here, both temporal and spatial patterns of SWE are examined.
Published Version
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