Ground Water Flow Simulation in a Small Drainage Basin

by Angelos N. Findikakis, Bechtel Civil Inc, San Francisco, CA, USA,
Michael G. Sholley, Bechtel Civil Inc, San Francisco, CA, USA,
Clifford R. Farrell, Bechtel Civil Inc, San Francisco, CA, USA,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


This paper describes the development and use of a numerical simulation approach for predicting ground water flow in a small drainage basin in southern California. The purpose of the modeling effort was to improve the understanding of hydrologic conditions in the watershed and quantify underflows. The approach emphasizes the integration of aspects of the surface and subsurface hydrology within the watershed. In modeling ground water flow it is always desirable to select the simulation area in such a way as to have well defined boundary conditions. Extending the model to cover the entire drainage basin poses the challenging question of how to define the distribution of recharge or deep percolation throughout the area covered by the model. An approach to the solution of this problem is presented below.

Subject Headings: Groundwater flow | Flow simulation | Drainage basins | Water flow | Numerical models | Watersheds | Hydrologic models | Water resources | California | United States

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