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pl23_line5210.jpg

As opposed to this being a frost heave, this is a frost heave with the groundsagging down in an area of melting permafrost causing a thermokarst

Image

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https://www.noaa.gov/media/digital-library-photo/pl23line5210jpg

Description

As opposed to this being a frost heave, this is a frost heave with the groundsagging down in an area of melting permafrost causing a thermokarst.

Photographer

Dr. John Cloud

Display Date

2010 August

Location

Alaska, St. Michael

Collection

America's Coastlines

NOAA Affiliation

NOAA Central Library