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崇明岛(县)位于长江口,是我国第三大岛,它是一个典型的河口沙岛。历来以水为命,依堤为障。解放前,崇明水利事业时兴时废,未能进行治本建设,堤岸矮小单薄,保坍护岸工程少得可怜,人民生命财产得不到保障,1949年7月25日,崇明刚解放不久,在强台风、暴雨和高潮同时袭击下,全县江堤决口500余处,打坏堤岸72公里,冲平堤岸53公里,受淹48万亩、淹死压死147人,重伤38人。内地沟河纵横交叉,淤浅严重,水系紊乱;港口无控制建筑物,涨潮满河水,落潮河底干;农田灌溉无机电排灌工程,主要
Chongming Island (county) is located in the mouth of the Yangtze River, China’s third largest island, it is a typical estuary Sand Island. Has always been to water, according to embankment barrier. Before the liberation, when Chongming’s water conservancy was fashionable, it failed to carry out radical construction. The embankments were short and stubborn, and the slump-bank protection project was pitiful. People’s life and property were not guaranteed. On July 25, 1949, Chongminggang was shortly after liberation Typhoon, torrential rains and orgasm at the same time attacked, the county more than 500 breakwater embankment, break the embankment 72 kilometers, 53 kilometers Chongping embankment, flooded 480000 acres, drowning crushed 147 people, seriously injured 38 people. Inland ditches criss-cross, silt serious, chaotic water system; port no control buildings, rising tide river, dry tidal river dry; irrigation irrigation and drainage of inorganic irrigation works, the main