August 2022 - Overview of Canadian communities exposed to sea level rise

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August 2022 - Overview of Canadian communities exposed to sea level rise

7 Dec 2022

While the intent of this report is to consider Canadian communities at risk of exposure to long-term sea level rise, it OVERVIEW OF CANADIAN COMMUNITIES EXPOSED TO SEA LEVEL RISE 2 is recognized that coastal hazards such as storm surge, erosion, permafrost melt, and flooding will be exacerbated in the short and medium term by rising sea levels. [...] In Canada, sea level rise is modified by glacial isostatic adjustment in some areas – that is the vertical land motion that is a delayed response to the end of the last ice age.2 As a result, some areas of Canada’s coastline are experiencing uplift in land elevations; such is the case in Hudson’s Bay and much of the Canadian Arctic Archipelago. [...] OVERVIEW OF CANADIAN COMMUNITIES EXPOSED TO SEA LEVEL RISE 3 Figure 1: Projected relative sea level rise in Canada by 2100 Exposure to sea level rise Canada has more than 226,000 kilometres of coastline, with 38,000 kilometres in the four Atlantic Provinces (New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador. [...] OVERVIEW OF CANADIAN COMMUNITIES EXPOSED TO SEA LEVEL RISE 4 While Indigenous communities in the north will be facing many challenges related to climate change, the impact of sea level rise specifically will likely be felt more by First Nation communities along the Atlantic and Pacific coasts. [...] Climatedata.ca.4 OVERVIEW OF CANADIAN COMMUNITIES EXPOSED TO SEA LEVEL RISE 5 Findings Which Canadian coastal communities are most exposed to sea level rise? Atlantic Canada Figure 2: Selected coastal communities in Atlantic region exposed to sea level rise.
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15
Published in
Canada

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