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洪水调节和枯水调节是水库综合利用中两个性质不同的水利任务。这两方面是存在着矛盾的,它们之间彼此都要求占用一定的库容。按着防洪的要求在汛期中必须长期的留出一定的防洪库容,其结果就会使很大的一部分天然径流得不到利用,降低水库的调节效能。正确地解决这个矛盾,必须根据综合利用的原则,针对河流的水文特性,制定出与其相适应的水库防洪运用的规则,使得一方面保证了防洪的需要,在洪水到来时期能有足够的库容,另一方面尽量的争取一
Flood regulation and low water regulation are two different types of water tasks in comprehensive utilization of reservoirs. There is a contradiction between these two aspects, and each requires a certain amount of storage capacity. According to flood control requirements in the flood season must set aside a certain flood control capacity, the result will make a large part of the natural runoff can not be used to reduce the efficiency of the reservoir regulation. To correctly solve this contradiction, according to the principle of comprehensive utilization, according to the hydrological characteristics of the river, we should formulate corresponding rules for reservoir flood control, ensuring the need of flood control on the one hand, adequate storage capacity during the flood season, On the other hand try to fight for one