Answers are grounded in this paper and cite their sources.
Thomas G. Stewart, John England, Holocene Sea-Ice Variations and Paleoenvironmental Change, Northernmost Ellesmere Island, N.W.T., Canada, Arctic and Alpine Research, Vol. 15, No. 1 (Feb., 1983), pp. 1-17
No takes yet. Share an insight, caveat, or question.
Stewart et al. (1983) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: