A MODEL FOR WETLAND SURFACE-WATER DYNAMICS

被引：62

作者：

HAMMER, DE ^{[1
]}

KADLEC, RH ^{[1
]}

机构：

[1] UNIV MICHIGAN,DEPT CHEM ENGN,WETLAND ECOSYST RES GRP,ANN ARBOR,MI 48109

来源：

WATER RESOURCES RESEARCH | 1986年 / 22卷 / 13期

关键词：

FLOW OF WATER - Evaluation - FLUID DYNAMICS - Mathematical Models;

D O I：

10.1029/WR022i013p01951

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A mathematical model for overland flow through vegetated areas has been developed. Input information includes site topography and porosities, power law parameters for the velocity correlation, and the driving forces: precipitation, evapotranspiration, stream flows, groundwater recharge or discharge, and pumped additions. Depths and flow rates are then calculated as functions of position and time. A one-dimensional algorithm has been developed to execute these calculations. Numerical solutions to the nonlinear partial differential equations are accomplished using special finite difference approximations. The method permits long simulation times (several years), without significant material balance errors.

引用

页码：1951 / 1958

页数：8

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