Why Sea Levels keep going up

By greenteapanda

March 26, 2009

Category: Observation

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It occurred to me today that sea levels rise bit by bit, and that it isn’t necessarily entirely because of ice caps melting.

It occurred to me that a number of places have done significant amounts of land reclamation. Hong Kong’s harbour is more like a river these days. South Korea began reclaiming land decades ago to have more farmland. The reclamations there go into the 100s of square kilometers. 20% of Tokyo Bay, or 249 square kilometers has been reclaimed.

Obviously such reclamation will only be removing some of the shallowest parts of the oceans, but thousands of square kilometers, it is taking a non negligible (if small percentage) of the 335258000 sq km of Earth covered by oceans.

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