Coastlines Change Constantly: Erosion, Accretion, and Human Response
海岸线持续变化:侵蚀、堆积与人类应对
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Waves, tides, wind, and currents constantly reshape coastlines—sometimes eroding cliffs, sometimes building beaches.
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Sea-level rise accelerates erosion, especially where hard seawalls reflect wave energy and starve downdrift beaches.
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