CGRG Bibliography of Canadian Geomorphology
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Author : Carter, R.W.G.; Forbes, D.L.; Jennings, S.C.; Orford, J.D.; Shaw, J.; and Taylor, R.B.
Date : 1989
Title : Barrier and lagoon coast evolution under differing relative sea level regimes: examples from Ireland and Nova Scotia
Publication : Marine Geology
Issue : 88(3-4);
Page(s) : 221-242



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Abstract

Although the coasts of southern Ireland and eastern Nova Scotia possess many basic similarities, especially in terms of geology, glacial history, sediment character, resistance to erosion and wave and tide regimes, there is a fundamental contrast in Holocene sea-level history. In Ireland, recent (the past 4000 years) sea-level rise has been limited to less than 1 mm/year. By contrast, the Atlantic coast of Nova Scotia has been experiencing sea-level rises up to three to five times greater over the same period. Under these markedly differing relative sea-level rise regimes, barrier and lagoon evolution has varied considerably. In Ireland, barrier-lagoon form is controlled by local basement expression, particularly through the emergence of headlands. The Nova Scotian examples are associated with rapidly moving erosional fronts, with local basement control relegated to a subordinate role at the expense of rapid changes in sediment supply.

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Bibliography of Canadian Geomorphology