A way to cope with Canada’s rising sea levels
pouring into the oceans is going to remain there and waves will crash higher and higher on the world’s shores.. People coped by building various defences. The oldest example discovered so far is a seawall dating from about 5000 to 5500 BCE, whichoff Israel’s Carmel coast. Like most other defences, it didn’t work in the long run: The village it protected only existed for 100 to 250 years and the wall itself has been submerged for millennia.
So the province passed enabling legislation allowing no-new-building zones along the coast and regulating what kind of rebuilding could be done within them. In Sainte-Flavie and nearby Sainte-Luce, that meant analyzing a 30-kilometre stretch of shoreline to give each property a vulnerability index.
That was just the beginning. Moving the house was expensive and involved permissions from public utilities, the town and the Quebec Ministry of Transport. The move had to be financed by the couple up front since they couldn’t get a mortgage until they actually had the house in place. But the pieces all finally fit together by mid May, 2022, just when they were rushing to get their first crops in the ground.
Two hundred years later, Parks Canada began an ambitious reconstruction project that restored the fort and part of the surrounding town to what it looked like in 1744. Among the things uncovered during the work were mooring rings on the quay, which indicted that the high tide line in the early 18th century was nearly a metre lower than it is now. The culprit, even then, were rising sea levels due to melting glaciers, although land subsidence also contributed.
The shoreline that is unprotected did not fare as well. A particular case is the old cemetery at Rochefort Point
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