The unit response of groundwater outflow from a hillslope

Subsurface flow from a hillslope can be described by hydraulic groundwater theory, as formulated by the Boussinesq equation. Solution of its linear version brings out some of the essential features of this phenomenon. Arbitrary inputs can be accommodated by simple convolution of the sudden drawdown...

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Bibliographic Details
Published in:Water resources research 1994-10, Vol.30 (10), p.2759-2763
Main Author: Brutsaert, Wilfried
Format: Article
Language:English
Subjects:
Freshwater
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Summary:Subsurface flow from a hillslope can be described by hydraulic groundwater theory, as formulated by the Boussinesq equation. Solution of its linear version brings out some of the essential features of this phenomenon. Arbitrary inputs can be accommodated by simple convolution of the sudden drawdown problem. The relative magnitude of the driving mechanisms, namely the streamwise pressure gradient, resulting in diffusion and gravity (i.e., slope), resulting in advection, can be determined by a simple dimensionless parameter.
ISSN:0043-1397
1944-7973
DOI:10.1029/94WR01396