A landform that results when ground ice (ice-rich permafrost) melts. The melting leaves small, marshy hollows and hummocks in the land as the ground settles unevenly. See also thermokarst lake.

  • > Barrow Arctic Research Center/Environmental Observatory

    Field Sites

    STATION NAME AND OWNER The Barrow ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic

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  • > Canadian High Arctic Research Station CHARS

    Field Sites

    STATION NAME AND OWNER The Canadian High ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic

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  • > Numto Park Station

    Field Sites

    STATION NAME AND OWNER The Numto Park Station belongs to the UNESCO Chair on Environmental Dynamics and Climate ChangeAccording to the United Nations Framework Convention

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  • > Thermokarst lake

    Glossary

    A (usually shallow) body of water found in a depression within a thermokarst landform. The water is from thawed permafrostPermafrost is frozen ground that remains at or below

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