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Hydrogeology, water quality, and distribution and sources of salinity in the Floridan aquifer system, Martin and St. Lucie Counties, Florida
U.S. Government
Paperback. Books LLC, Reference Series 2011-10-02.
ISBN 9781234267490
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Förlagets beskrivning
Original publisher: Tallahassee, Fla. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor], 2004. OCLC Number: (OCoLC)55021572 Subject: Hydrogeology -- Florida -- Martin County. Excerpt: ... 87 86 analyses and Sr / Sr were filtered using 0.45-µm carbon dioxide ( CO ) equilibration technique ( at 2 Gelman capsule filters, and bottles collected for cation 25 ° C ) of Epstein and Mayeda ( 1953 ). Stable isotope analysis were acidified with nitric acid. Field pH was ratios of hydrogen are reported relative to Vienna Stan-measured using a flow-through chamber to avoid contact dard Mean Ocean Water ( VSMOW ), as delta deuterium with the atmosphere during the first year of sampling ( ?D ) in per mil ( parts per thousand ), on a scale normal-( May to July 2000 ). During the second year of sampling ized such that ?D =-428 per mil for Standard Light ( July and August 2001 ), water temperature, specific Antarctic Precipitation ( SLAP ). Stable isotope ratios of conductance, dissolved oxygen, and pH were monitored oxygen are reported relative to VSMOW, as delta 18 and measured during well purging in a flow cell attached oxygen-18 ( ? O ) in per mil, on a scale normalized 18 to a water-quality multiprobe instrument. Dissolved such that ? O =-55.5 per mil for SLAP. The uncer-oxygen also was checked for stability at a low level ( less tainties of hydrogen and oxygen isotopic analyses are than 0.5 mg / L ) before collecting samples. Alkalinity was 2 and 0.2 per mil, respectively. measured in the field using the inflection point method Carbon isotope analyses of dissolved inorganic by titration with sulfuric acid. Some wells lacked a well-carbon in samples were performed by Beta Analytical, head valve appropriate for sampling through tubing. For 13 Inc., in Miami, Fla. Measured carbon-13 ratios ( ? C ) these samples, water was collected using a clean 5-gal were calculated relative to the Vienna
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Hydrogeology, water quality, and distribution and sources of salinity in the Floridan aquifer system, Martin and St. Lucie Counties, Florida
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