Item talk:Q263902

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   "name": "Mapping selected trace elements and major ions, 2000-2012, Mojave River and Morongo groundwater basins, southwestern Mojave Desert, San Bernardino County, California",
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       "value": "10.5066/F7Q23X95",
       "url": "https://doi.org/10.5066/F7Q23X95"
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   "inLanguage": "en",
   "datePublished": "2015",
   "dateModified": "2015-05-12",
   "abstract": "The population of the Mojave River and Morongo groundwater basins has grown rapidly during the last several decades, increasing from an estimated population of almost 273,000 in 1990 (Mojave Water Agency, 2004) to more than 453,000 in 2010 (Mojave Water Agency, 2014). Groundwater is the primary source of potable water in both basins (Mojave Water Agency, 2014). Previous studies noted elevated concentrations of several trace elements, nitrate, and total dissolved solids in groundwater in portions of the two basins (Christensen and Fields-Garland, 2001;\u00a0Ball and Izbicki, 2004;\u00a0Izbicki and others, 2008;\u00a0Mathany and Belitz, 2009;\u00a0Wright and Belitz, 2010;\u00a0Dawson and Belitz, 2012; and\u00a0Izbicki and others, 2012). Since 2000, the U.S. Geological Survey (USGS) has collected water-quality data annually from a network of wells and has provided quality-assurance for Mojave Water Agency (MWA) data that are stored in the USGS National Water Information System (NWIS) database. The new data and results from the joint State of California and USGS Groundwater Ambient Monitoring and Assessment (GAMA) program assessments of regional water quality (these data are also stored in NWIS), in combination with ongoing MWA/USGS groundwater-quality monitoring provide a timely opportunity for mapping of groundwater quality in the Mojave River and Morongo groundwater basins. The purpose of this report is to provide maps and time-series plots of concentrations of selected water-quality constituents (arsenic, boron, chromium-6, total chromium, dissolved oxygen, fluoride, iron, manganese, nitriate plus nitrite as nitrogen, total dissolved solids, uranium, and vanadium) in the Mojave River and Morongo groundwater basins using data collected by the USGS and MWA from 2000 to 2012. These maps and plots can be accessed on this website.",
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     "name": "U.S. Geological Survey"
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       "name": "Metzger, Loren F. lmetzger@usgs.gov",
       "givenName": "Loren F.",
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       "name": "Landon, Matthew K. landon@usgs.gov",
       "givenName": "Matthew K.",
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       "email": "landon@usgs.gov",
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           "url": "https://www.usgs.gov/centers/california-water-science-center"
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       "@type": "Person",
       "name": "House, Sally F. shouse@usgs.gov",
       "givenName": "Sally F.",
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       "@type": "Person",
       "name": "Olsen, Lisa D. ldolsen@usgs.gov",
       "givenName": "Lisa D.",
       "familyName": "Olsen",
       "email": "ldolsen@usgs.gov",
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           "name": "Office of the Associate Director for Water",
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