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一九八一年九月上旬黄河上游发生了前所未遇的特大洪水,经龙羊峡、刘家峡水库的拦洪调节。进入我区洪水流量仍高达5820秒立米,为建国后最大值。
In early 1981, an unprecedented flood occurred in the upper reaches of the Yellow River in early September. It was regulated by the flood control of Longyangxia and Liujiaxia reservoirs. Into our district flood flow is still as high as 5820 seconds, the maximum for the founding of the People’s Republic.