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TitlePolar coasts
AuthorForbes, D LORCID logo; Hansom, J D
SourceTreatise on estuarine and coastal science; by Wolanski, E (ed.); McLusky, D S (ed.); vol. 3, 2011 p. 245-283,
Alt SeriesEarth Sciences Sector, Contribution Series 20100368
Mediapaper; on-line; digital
File formatpdf
ProvinceNunavut; Northwest Territories; Yukon
NTS27; 28; 37; 38; 39; 47; 48; 49; 57; 58; 59; 67; 68; 69; 77; 78; 79; 87; 88; 89; 97; 98; 99; 107; 117; 120; 340; 560
AreaArctic; Antarctic; Canada; Russian Federation; Greenland; United States of America
Lat/Long WENS-180.0000 180.0000 90.0000 68.0000
Lat/Long WENS-180.0000 180.0000 -60.0000 -90.0000
Subjectssurficial geology/geomorphology; marine geology; Nature and Environment; coastal environment; coastal studies; coastal erosion; sea level changes; sea level fluctuations; erosion; shorelines; shoreline changes; permafrost; ground ice; sea ice; sedimentation
Illustrationslocation maps; photographs; plots
ProgramClimate Change Geoscience
Released2011 01 01
AbstractPolar and subpolar coasts are distinctive because of extreme seasonality and the presence of ice (predominantly tidewater glaciers, ice shelves, sea ice, and ground ice). Sea ice plays a protective role but may be either erosional or constructive when mobile. Wave activity, though effective mainly during the short summer, imposes a strong morphological signature on most sedimentary coasts. Unlithified coasts in permafrost are widespread on the Arctic Coastal Plain, where combined thermal and mechanical processes promote rapid erosion in ice-rich deposits. Antarctic and sub-Antarctic coasts are mainly dominated by rock or ice, as are parts of the Arctic coast.

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