File:Polygon patterns on the tundra develop from yearly freeze-thaw cycles. Wedges of ice that extend vertically into the ground (c4f83de0-1dd8-b71c-07b5-b2f3b36bcc0e).jpg

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Original file ‎(1,600 × 1,067 pixels, file size: 1.08 MB, MIME type: image/jpeg)

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Summary

[edit]
English: Patterned Ground
Photographer
English: NPS Photo
Title
English: Patterned Ground
Publisher
English: U.S. National Park Service
Description
English:

Aerial view of polygon patterns on tundra

Polygon patterns on the tundra develop from yearly freeze-thaw cycles. Wedges of ice that extend vertically into the ground develop geometric shapes due to the crystal structure of the ice.

  • Keywords: tundra; river; polygon; permafrost; noatak national preserve; noat; landscape; lake; geology; backcountry; autumn; alaska; aerial
Depicted place
English: Noatak National Preserve, Alaska
Date Taken on 31 August 2012
Accession number
c4f83de0-1dd8-b71c-07b5-b2f3b36bcc0e
Source
English: NPGallery
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
NPS Unit Code
InfoField
NOAT
Album(s)
InfoField
English: Fantastic Landscapes

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current21:18, 14 May 2024Thumbnail for version as of 21:18, 14 May 20241,600 × 1,067 (1.08 MB)BMacZeroBot (talk | contribs)Batch upload (Commons:Batch uploading/NPGallery)

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