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Groundwater-Seepage MeterInstrument measures seepage of groundwater into inland or coastal body of water. Positioned at depth as great as 40 meters, and measures flow at low rate and low pressure differential. Auxiliary pressure meter provides data for correlation of flow of groundwater with tides and sea states. Seepage meter operates independently for several weeks. Its sampling rate adjusted to suit hydrologic conditions; to measure more frequently when conditions changing rapidly. Used in water-quality management and for biological and geological research. Potential industrial uses include measurement of seepage of caustic and corrosive liquids.
Document ID
19930000763
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Walthall, Harry G.
(NASA Langley Research Center, Hampton, VA.)
Reay, William G.
(Virginia Polytechnic Inst.)
Date Acquired
August 16, 2013
Publication Date
December 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 12
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
LAR-14835
Accession Number
93B10763
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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