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Data Set ID:
GGD278

Seasonal frost penetration, Sleepers River Research Watershed, Vermont, USA, Version 1

The frost tube network is located within a 3.25-square-mile sub-watershed of the Sleepers River Research Watershed near Danville, Vermont, USA. Tubes were positioned in forested and non-forested cover types. The forest cover includes beech, birch, maple hardwoods with a 7% slope and 240 degree aspect, mixed conifer (spruce and balsam) and hardwoods with a 3% slope and 240 degree aspect, and coniferous forest with a 3% slope and 240 degree aspect. The open areas include two large non-cultivated agricultural fields (with approximate 5% slopes and aspects of 240 and 15 degrees) and a small heavily instrumented opening. Site data were generally recorded weekly. Snow depth was measured with a metal meter ruler while frost readings were measured from a plastic tube filled with methylene blue dye suspended in a PVC outer tube. Data cover winter seasons 1983-84 to 1992-93 only. These data are presented on the CAPS Version 1.0 CD-ROM, June 1998.

Geographic Coverage

Parameter(s):
  • Frozen Ground > Active Layer
  • Vegetation > Forest Composition/Vegetation Structure
  • Snow/Ice > Freeze/Thaw
  • Frozen Ground > Seasonally Frozen Ground > Freeze/Thaw Cycle
  • Snow/Ice > Snow Depth
  • Vegetation > Vegetation Cover
Spatial Coverage:
  • N: 44.53, S: 44.422, E: -72.039, W: -72.177

Spatial Resolution: Not Specified
Temporal Coverage:
  • 1 January 1983 to 31 December 1992
Temporal Resolution: Not specified
Data Format(s):
  • ASCII Text
Platform(s) Not specified
Sensor(s): Not specified
Version: V1
Data Contributor(s): William Roberts, Timothy Pangburn
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.

Pangburn, T 1998. Seasonal frost penetration, Sleepers River Research Watershed, Vermont, USA, Version 1. [Indicate subset used]. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. [Date Accessed].

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Notice: 

This data set was first published on the 1998 CAPS CD.
The text for this document was taken unchanged from that CD.

Data are presented on the CAPS Version 1.0 CD-ROM as spreadsheets in MS-EXCEL (text only) and cover winter seasons 1983-84 to 1992-93.

Detailed Data Description

All depths are in centimeters.

Note that files are in ASCII formatted files extracted from a spreadsheet. The files are tab delimited (each field seperated by a tab character) and may best be read by the user through a spreadsheet application.

Seasonal frost penetration, Sleepers River Research Watershed

  • File: ftube84.dat
  • Time period: winter 1983-1984
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube85.dat
  • Time period: winter 1984-1985
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube86.dat
  • Time period: winter 1985-1986
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube87.dat
  • Time period: winter 1986-1987
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube88.dat
  • Time period: winter 1987-1988
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube89.dat
  • Time period: winter 1988-1989
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube90.dat
  • Time period: winter 1989-1990
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube91.dat
  • Time period: winter 1990-1991
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube92.dat
  • Time period: winter 1991-1992
  • Fields: Weekly measurements of snow depth and frost depth
  • File: ftube93.dat
  • Time period: winter 1992-1993
  • Fields: Weekly measurements of snow depth and frost depth
Spatial Coverage

Study Location

Sleepers River Research Watershed, Danville, Vermont.

Geographic Extent:

Northwest Latitude: 44 31' 47" N
Northwest Longitude: 72 10' 37" W
Southeast Latitude: 44 25' 20"N
Southeast Longitude: 72 02' 22" W

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Site Description

The North Danville W-3 test site is located neat the eastern edge of a 6-ha clearing (see Anderson for a detailed site description). The forest is generally about 200 from the center of the selected site area. The surrounding first 75 m of terrain is generally free of vegetation tall enough to protrude above the midwinter snow cover. Beyond 75 m there are scattered small conifers. The central portion of the site was graded prior to the installation of instruments. The site is very flat, with a slight slope to the south, and meets site criteria given in the WMO report. This results in a very uniform snow cover over the site area. However, during windy periods the snow tends to blow off this area. The prevailing winds in winter are from a westerly direction.

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Software and Tools

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Data Acquisition and Processing

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References and Related Publications

Contacts and Acknowledgments

Mr. Timothy Pangburn
U.S. Army Cold Regions Research and Engineering Laboratory
72 Lyme Road
Hanover, New Hampshire 03755-1290
Phone: (603) 646-4296
Fax: (603) 645 -4750
E-mail: Tim@rsgisc.crrel.usace.army.mil

Document Information

Please cite these data from the CAPS Version 1.0 CD-ROM as follows:

Pangburn, T. and W. Roberts. 1998. Seasonal frost penetration, Sleepers River Research Watershed, Vermont, USA. In: International Permafrost Association, Data and Information Working Group, comp. Circumpolar Active-Layer Permafrost System (CAPS), version 1.0. CD-ROM available from National Snow and Ice Data Center, nsidc@kryos.colorado.edu. Boulder, Colorado: NSIDC, University of Colorado at Boulder.

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