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在水利化简明区划和水资源合理利用与供需平衡分析计算工作中,遇到了工作量较大的小型水库的可供水量的计算问题。小型水库可供水量,若要按照中型水库一样,逐座去进行调节计算,不但由于资料缺乏,难以进行计算,而且,一个县的小型水库(包括塘堰工程),数以千、万计,计算起来,工作量很大。这里介绍的β与α系数关系曲线法,能较快、较正确地估算小型水库的可供水量。一、β与α关系曲线的绘制 1.在一个计算单元中(灌溉定额基本相
In the water conservancy and concise division and rational utilization of water resources and supply and demand balance analysis and calculation work, encountered a larger workload of small reservoirs can calculate the amount of water supply. Small reservoirs can supply water. If they are to be adjusted and calculated one by one according to medium-sized reservoirs, it is difficult to calculate not only because of lack of information, but also for small reservoirs (including pond weir works) in a county, thousands and tens of thousands, Up, heavy workload. The β and α coefficient curve method introduced here can estimate the water supply capacity of small reservoirs faster and more accurately. A, β and α plot the relationship curve 1. In a calculation unit (irrigation quota basic phase