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RECORD NUMBER: 209 OF 320Main Title | Physics-Based Approach to Hydrologic Response Modeling: Phase I: Model Development. | |||||||||||
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Author | Freez, R. Allan ; | |||||||||||
CORP Author | IBM Watson Research Center, Yorktown Heights, N.Y. | |||||||||||
Year Published | 1972 | |||||||||||
Report Number | DI-14-31-001-3694; OWRR-C-3144(3694); 03257,; C-3144(3694)(2) | |||||||||||
Stock Number | PB-214 625 | |||||||||||
Additional Subjects | ( Watersheds ; Mathematical models) ; Surface water runoff ; Fluid infiltration ; Stream flow ; Open channel flow ; Numerical analysis ; Shallow water ; Seepage ; Computerized simulation ; Computer programs ; | |||||||||||
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Collation | 126p | |||||||||||
Abstract | Watershed response is simulated with a deterministic mathematical model that couples three-dimensional, transient, saturated-unsaturated subsurface flow and one dimensional, gradually-varied unsteady channel flow. The subsurface flow model uses the line successive overrelaxation technique to solve numerically the Jacob-Richards diffusion equation. The channel flow model uses the single-step Lax-Wendroff explicit technique to solve numerically the full shallow water equations. Applications of the model are presently limited to the simulation of single hydrologic events on individual slopes feeding single streams. (Author) |