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THE FLOODS AND DROUGHTS OF THE LOWER YANGTZE VALLEY AND THEIR PREDICTIONS

         

摘要

During Ching dynasty from 1644 to 1911, an interval of 268 years, there occurred in the lower Yangtze valley 197 floods and 156 droughts. The most serious droughts came in 1785, 1814, and 1856; and the most disastrous floods in 1680,

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