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凌汛是在冬春季节,江河水流受冰凌阻碍,而引起的涨水现象。江河冰凌聚集,形成冰塞或冰坝,产生凌洪,大幅度抬高水位,轻则漫滩,重者决堤成灾。 我国有防凌和防凌汛措施的河流,记载最早的是黄河下游。在清朝末年和民国年间,人们对防凌汛多限于保护河工建筑物。每到凌汛,在险工埽坝上挂防凌排,防止冰凌撞毁埽体。当水涨漫滩后,动员劳力,上堤防守。50年代初期,认为凌汛的发生,是由河道冰凌而
Ice flood is in the winter and spring, the river water blocked by the ice, which caused the phenomenon of rising water. River ice accumulation, the formation of ice plug or ice dam, resulting in Hong Hong, significantly raise the water level, ranging from floodplain, heavy cases burst into a disaster. Our country has anti-Ling and anti-flood measures of the river, the earliest record is the lower reaches of the Yellow River. During the last years of the Qing Dynasty and the Republic of China, people were mostly limited to protecting flood control structures against river structures. Ling Ling flood every day, hanging in the insurance dam on the anti-Ling Pai, to prevent the ice hit Bing body. When the water flooded the beach, mobilize labor, embankment defense. In the early 1950s, it was thought that the onset of the flood was caused by the ice of the river