Patterned Ground Features in Discontinuous Permafrost, Interior Alaska, USA
Entry ID: ggd247

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Summary
Abstract: This data set consists of active layer depth measurements, and photography and surveys of patterned ground activity at the Tangle Lakes, MacLaren Summit, and High Valley areas along the Denali Highway in Alaska. Repetitive photography and surveys of wooden dowels, metal spikes, and marked stones provided a rudimentary means of documenting and monitoring patterned ground activity. Active layer depth was measured annually with a permafrost probe, usually in late July and August.
Geographic Coverage
Spatial coordinates   
  N: 63.17   S: 63.0   E: -146.0   W: -146.5

Data Set Citation
Dataset Originator/Creator: James Walters
Dataset Title: Patterned Ground Features in Discontinuous Permafrost, Interior Alaska, USA
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Online Resource: http://nsidc.org/data/ggd247.html
Temporal Coverage
Start Date: 1982-01-01
ISO Topic Category
Data Center
National Snow and Ice Data Center Supplemental Info
Data Center URL: http://nsidc.org

Data Center Personnel
Name: NSIDC USER SERVICES
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Personnel
Role: INVESTIGATOR
Phone: 319-273-2707
Fax: 319-273-7124
Email: walters at uni.edu
Contact Address:
University of Northern Iowa
Department of Earth Science
City: Cedar Falls
Province or State: IA
Postal Code: 50614
Country: USA
Publications/References
Walters, J.C. 1988. Observations of sorted circle activity, central Alaska. International Permafrost Conference, 5th. Proceedings, p. 886-891. Walters, J.C. 1988. Observations of sorted patterned ground features, High Valley/Tangle Lakes region, central Alaska, U.S.A. Zeit. Geomorph., N.F., Suppl.-Bd. 71, p. 93-106. Walters, J.C. 1993. Sorted circle dynamics: 10 years of field observations from central Alaska. International Permafrost Conference, 6th. Proceedings, p. 1346.
Extended Metadata Properties
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Creation and Review Dates
Last DIF Revision Date: 2010-12-28
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