Fast ice characteristics, with special reference to the eastern Canadian Arctic

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Abstract
Arctic sea ice is currently receiving increasing attention, both in relation to technological problems associated with resources development and shipping (Walker and Penney, 1973), and to basic research questions. The polar pack ice in the Beaufort Sea, for example, is the focus of the Arctic Ice Dynamics Joint Experiment (AIDJEX) (Untersteiner, 1974), while an analysis of physical links between the characteristics of polar surfaces and climate is to be the crux of the United States contribution to the Polar Experiment (POLEX) (Weller and Bierly, 1973; National Academy of Sciences, 1974). A general discussion of sea ice, with emphasis on pack ice, has been presented recently by Wittman and Burkhart (1973), but another aspect of the sea ice regime deserving separate attention, particularly in the light of Arctic offshore oil developments, is the landfast or fast ice, ie that part of the sea ice which remains attached to the shore (see “Sea ice terminology”). This paper attempts to provide a broad picture of fast ice characteristics in the context of our field experience in the eastern Canadian Arctic.

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