The newly acquired, nearly complete coverage of ARCN by
high-resolution satellite imagery has allowed the NPS to make a
comprehensive survey of erosion features caused by permafrost thaw
in the Noatak National Preserve (NOAT). The author combined
automated mapping methods with visual recognition of geomorphic
features to make a comprehensive map of ALD and RTS in NOAT. The
purpose of this report is to present the results of mapping in
NOAT. Mapping in three other NPS units (Bering Land Bridge National
Preserve (BELA), Cape Krusenstern National Monument (CAKR), and
Kobuk Valley National Park (KOVA) was reported previously.
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