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水情工作作为防汛的耳目、决策的参谋,其作用直接影响到整个防汛工作的胜败。水情工作的优劣最终标准是:准确及时。即准确及时地把已经发生的水情信息传递给防汛各部门,准确及时地把未来的水情信息提供给领导,使得防汛指挥机构能了解情况,把握未来。对一个具体的流域下垫面来说,某一规模的降雨发生后到控制断面出现洪峰所间隔的时间是不变的。这段时间可分为三个阶段:(1)信息的测量和传输;(2)信息的处理;(3)预见期。而所有的防汛调度、抗洪抢险
Flood control work as the eyes and ears of flood control, decision-making staff, its direct impact on the overall flood control work victory or defeat. The ultimate standard of merits and demerits of hydrological work is: accurate and timely. That is accurate and timely information to the flood control has occurred to all departments, accurate and timely information to the leadership of the future water, making the flood control command to understand the situation and grasp the future. For a particular underlying surface, the time between the onset of a certain scale of rainfall and the arrival of a flood peak in the control section remains unchanged. This period of time can be divided into three phases: (1) measurement and transmission of information; (2) processing of information; and (3) anticipation. All flood control scheduling, flood rescue