Analysis of accurately estimating infiltration rate of river's flow routing model
Geoinformatics（2013）
摘要
Because of influence of drastic human activities, flow routing methods of river that neglected seepage loss in flood forecasting exhibits a strongly inadaptability based on principle of mass conservation, continuity equations of water body considering seepage loss are derived in five conditions from simple one to difficult one, which joined with dynamic equation composed de Saint-Venant system of equations that considered infiltration term, the flow routing inverse problem of river considering seepage was proposed and an optimization model that equivalent in the inverse problem was presented, which lays a foundation in accurately estimating infiltration capacity of flow routing model of river or river network.
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关键词
river flow routing model,mass conservation principle,flow routing,de saint-venant system of equations that considered infiltration term,drastic human activities,infiltration rate,rivers,optimization model,hydrological techniques,saint-venant equation system,river network,infiltration capacity,continuity equations,flood forecasting,seepage loss,river flow routing inverse problem,water body continuity equations,finite element analysis,routing,water conservation,mathematical model
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