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Data Set ID:

Seasonal frost depths, midwestern USA, Version 1

This dataset includes frost tube data from 37 stations in the Upper Midwest (Minnesota, North Dakota, Wisconsin), USA. The responsible agency was the St. Paul District of the U.S. Army Corps of Engineers. These data were collected during 1971-1981 (no data for 1976/77) by cooperative observers who gathered the data for use in their spring run-off hydrologic predictions. The observers had frost tubes installed by District personnel in their back yards. The early penetration of frost at the beginning of the freezing season was not observed, but most observers picked up the record when 1 or 2' of frost had occurred. This data base, a preliminary version, was constructed by Richard K. Haugen and Glenn King from the manuscript records of the cooperative observers and is presented on the CAPS Version 1.0 CD-ROM, June 1998.

Geographic Coverage

Spatial Coverage:
  • N: 48.833, S: 43.767, E: -90.183, W: -101.3

Spatial Resolution: Not Specified
Temporal Coverage:
  • 12 January 1971 to 3 March 1983
Temporal Resolution: Not specified
  • Snow/Ice > Freeze/Thaw
  • Frozen Ground > Seasonally Frozen Ground
  • Soils > Soil Temperature
  • Frozen Ground > Soil Temperature
  • Soils > Thermal Conductivity
Platform(s) Not specified
Sensor(s): Not specified
Data Format(s):
  • ASCII Text
Version: V1
Data Contributor(s): Glenn King, Richard Haugen

Data Citation

As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Haugen, R. 1998. Seasonal frost depths, midwestern USA, Version 1. [Indicate subset used]. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. [Date Accessed].
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