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This article in Soil Horizons

  1. Vol. 54 No. 1, p. 13-19
     
    Received: Sept 18, 2012
    Published: January 3, 2013


    * Corresponding author(s): cping@alaska.edu
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doi:10.2136/sh12-09-0027

Sampling Protocols for Permafrost-Affected Soils

  1. Chien-Lu Ping ,
  2. Mark H. Clark,
  3. John M. Kimble,
  4. Gary J. Michaelson,
  5. Yuri Shur and
  6. Cynthia A. Stiles
  1. P almer Research Center, School of Natural Resources and Agricultural Sciences, Univ. of Alaska Fairbanks, Palmer, AK 99645
    U SDA-NRCS, Palmer, AK 99645
    C ertified Professional Soil Scientist, 151 E. Hill Church Rd., Addison, NY 14801
    D ep. of Civil and Environmental Engineering, Univ. of Alaska Fairbanks, Fairbanks, AK 99775
    U SDA-NRCS, Honolulu, HI 96850-0050

Abstract

In the Arctic tundra and boreal regions, permafrost-affected soils (Gelisols) have segregated ice that accumulates and thaws during freeze–thaw cycles resulting in cryoturbated soils. These cryoturbated soils (Turbels) have warped, broken, or involuted horizons and cryostructures that require sampling protocols different than soils not affected by permafrost. We provide a general overview of the cryoturbated soil profiles associated with different cryogenic landscapes and landforms and a specific protocol for description and sampling pedons with permafrost.

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