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Snow Cover and Winter Soil Temperatures at St. Paul, Minnesota

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Title

Snow Cover and Winter Soil Temperatures at St. Paul, Minnesota

Published Date

1971-06

Publisher

Water Resources Research Center, University of Minnesota

Type

Newsletter or Bulletin

Abstract

The objectives of this study of winter soil temperatures under a sod cover were to show the configuration of the soil isotherm patterns, in particular that of OC, and to determine which soil thermal characteristics can be estimated by the snow cover. The temperature data were obtained at the University of Minnesota Agricultural Experiment Station plots on the St. Paul campus with copper-constantan thermocouples during the winter of 1961-62 through 1968-69. Based upon the depth and persistence of the snow cover there were in effect 3 kinds of winters: one with deep and persistent snow cover, one with very little snow cover and all other winters. There was a close relationship between the kinds of winters and the maximum depth to which the OC isotherm penetrated, and a fair relationship to the rate of movement of the OC isotherm into the soil. The combination of type of winter (snow depth and duration) with cumulative heating degree days proved to be a simple and effective means of predicting the maximum freezing depth.

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Series/Report Number

WRRC Bulletin
37

Funding information

Water Resources Research Center

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Previously Published Citation

Baker, Donald. 1971. Snow Cover and Winter Soil Temperatures at St. Paul, Minnesota. Water Resources Research Center.

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Suggested citation

Baker, Donald. (1971). Snow Cover and Winter Soil Temperatures at St. Paul, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/91798.

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