Modeling subsurface stormflow on steeply sloping forested watersheds
Modeling subsurface stormflow on steeply sloping forested watersheds
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DOI：
10.1029/wr020i012p01815
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发表时间：
1984-12
影响因子：
5.4
通讯作者：
P. Sloan;I. Moore
中科院分区：
文献类型：
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作者：
P. Sloan;I. Moore
在考维塔水文实验室，将预测地下水流的五种数学模型与Hewlett和Hibbert（1963）在均匀倾斜土槽上进行的流量测量进行了比较。该模型包括一维和二维有限元模型的基础上的理查兹方程，运动波模型，和两个简单的存储-放电模型的基础上的运动波和Boussinesq假设。简单的模型模拟地下响应和地下水位位置，以及更复杂的模型的基础上的理查兹方程，并从计算成本的角度来看，更经济的使用。这些模型的特点是，可以将其纳入更复杂的流域模型，从而使水文预测在物理上更加正确，经验性更低。
Five mathematical models for predicting subsurface flow were compared to discharge measurements made by Hewlett and Hibbert (1963) on a uniform sloping soil trough at the Coweeta Hydrologic Laboratory. The models included one- and two-dimensional finite element models based on the Richards equation, a kinematic wave model, and two simple storage-discharge models based on the kinematic wave and Boussinesq assumptions. The simple models simulated the subsurface response and water table positions as well as the more complex models based on the Richards equation and were much more economical to use from the point of view of computational costs. Such models have features that would allow them to be incorporated into more complex watershed models, thus placing hydrologic prediction on a more physically correct and less empirical footing.