Comparison between natural and forced gradient tests to determine the vertical distribution of horizontal transport properties of aquifers | Zendy

Ronen Daniel | Zendy; Magaritz Mordeckai | Zendy; Molz Fred J. | Zendy

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Comparison between natural and forced gradient tests to determine the vertical distribution of horizontal transport properties of aquifers

Author(s) -

Ronen Daniel,

Magaritz Mordeckai,

Molz Fred J.

Publication year - 1991

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 - 10.1029/91wr00332

Subject(s) - aquifer , dilution , tracer , geology , point (geometry) , indicator dilution , soil science , geodesy , geotechnical engineering , geometry , groundwater , mathematics , physics , thermodynamics , medicine , radiology , cardiac output , nuclear physics , blood pressure

A modified natural gradient point dilution test using a multilayer sampler was conducted in a 20‐m‐thick confined aquifer in a research field near Mobile, Alabama. The horizontal component of the specific discharge along the profile varies by an order of magnitude, from 2.0 to 21.1 m/yr. The modified point dilution test was capable of detecting very large q changes over small vertical intervals. The results obtained by the point dilution test agree with the results obtained in the same aquifer by a forced gradient tracer test over a distance of 6 m (Molz et al., 1988).

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