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Water levels in continuously monitored wells in the Yucca Mountain Area, Nevada, 1989
Author(s) -
D H Lobmeyer,
R R Luckey,
G M O`Brien,
D J Burkhardt
Publication year - 1995
Language(s) - English
Resource type - Reports
DOI - 10.2172/58064
Subject(s) - transducer , geology , pressure sensor , water level , altitude (triangle) , hydrology (agriculture) , mineralogy , geotechnical engineering , acoustics , engineering , geography , mechanical engineering , physics , geometry , cartography , mathematics
Water levels have been monitored hourly in 16 wells representing 24 intervals in the Yucca Mountain area, Nevada. Water levels were monitored using pressure transducers and were recorded by data loggers. The pressure transducers were periodically calibrated by raising and lowering them in the wells. The water levels were normally measured at approximately the same time that the transducers were calibrated. Where the transducer output appeared reasonable, it was converted to water levels using the calibrations and manual water-level measurements. The amount of transducer output that was converted to water levels ranged from zero for one interval to 100 percent for one interval. Fifteen of the wells were completed in Tertiary volcanic rocks and one well was completed in Paleozoic carbonate rocks. Each well monitored from one to four depth intervals. Water-level fluctuation caused by barometric pressure changes and earth tides were observed. Transducer output is presented in graphic form and, where appropriate, water-level altitude is presented in graphical and tabular form

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