Annual average runoff amount and runoff amount of flood season decreased along the river.
年平均径流量与汛期径流量均呈沿程递减。
SCS model is applied to calculating runoff amount of several typical small watersheds of North of Shaanxi and Weibei .
用SCS降水-径流模型对陕北渭北多个典型小型集水区降雨径流量进行了分析与计算。
The artificial neural network technique is applied to the calculation of runoff amount. The BP network model is set up for the calculation of runoff amount.
将人工神经网络技术应用于径流水量还原计算，建立起径流水量还原计算的BP网络模型。
Then compared to the calculation results with the normal formula method, a more excellent calculation method for the design runoff amount on the loess slope is educed.
然后与规范公式法计算的结果进行比较，得出黄土坡面设计径流量更优的计算方法。
The principle for water balance analysis is to reversely derive the area of water supply according to runoff amount in the karst system, further to determine the position of the groundwater divide.
水均衡分析法原理是根据岩溶系统径流反推补给面积，进而确定地下水分水岭的位置。
The principle for water balance analysis is to reversely derive the area of water supply according to runoff amount in the karst system, further to determine the position of the groundwater divide.
水均衡分析法原理是根据岩溶系统径流反推补给面积，进而确定地下水分水岭的位置。
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