A capillarity correction for free surface flow of groundwater | Zendy

Parlange J.Y. | Zendy; Brutsaert Wilfried | Zendy

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A capillarity correction for free surface flow of groundwater

Author(s) -

Parlange J.Y.,

Brutsaert Wilfried

Publication year - 1987

Publication title -

water resources research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.863

H-Index - 217

eISSN - 1944-7973

pISSN - 0043-1397

DOI - 10.1029/wr023i005p00805

Subject(s) - aquifer , drawdown (hydrology) , groundwater flow equation , flow (mathematics) , groundwater flow , groundwater , mechanics , free surface , simple (philosophy) , term (time) , surface (topology) , mathematics , geotechnical engineering , geology , mathematical analysis , physics , geometry , philosophy , epistemology , quantum mechanics

The Boussinesq equation describes aquifer movement when capillarity effects are unimportant. A simple correction term to the equation is proposed here to take those effects into account. The correction can be quite significant for relatively short times. Comparison with experimental observations for a sudden drawdown shows that the present theory greatly improves the Boussinesq equation.

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