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matinthebox t1_ixjlag3 wrote

Reply to comment by codefyre in Lost islands cited in Welsh folklore and poetry are plausible, new evidence on the evolution of the coastline of west Wales has revealed by marketrent

> When humans drain that soil for farming, the removal of the water allows the remaining soil to compact and settle. If the land is low enough, it can fall below the surrounding water level and the island will vanish.

or, alternatively, you dam off half of your country and continue to live below sea level. Damn those Dutch are stubborn.

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burnbabyburn11 t1_ixm2it6 wrote

The Netherlands are 41,543 square km, compared with California’s 423,971 square km. To dam off half of California is 10x more land than to dam off half of the Netherlands.

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