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Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16 科技报告
报告编号: 70196681, 页数: 79, 2018
作者:  Opsahl, Stephen P. sopsahl@usgs.gov;  Musgrove, MaryLynn mmusgrov@usgs.gov;  Mahler, Barbara J. bjmahler@usgs.gov;  Lambert, Rebecca B. blambert@usgs.gov
Adobe PDF(4325Kb)  |  收藏  |  浏览/下载：39/22  |  提交时间：2019/11/06
Groundwater-quality and select quality-control data from the National Water-Quality Assessment Project, January through December 2015, and previously unpublished data from 2013 to 2014 科技报告
报告编号: 70196994, 页数: 82, 2018
作者:  Arnold, Terri L. tlarnold@usgs.gov;  Bexfield, Laura M. bexfield@usgs.gov;  Musgrove, MaryLynn mmusgrov@usgs.gov;  Stackelberg, Paul E. pestack@usgs.gov;  Lindsey, Bruce D. blindsey@usgs.gov;  Kingsbury, James A. jakingsb@usgs.gov;  Kulongoski, Justin T. kulongos@usgs.gov;  Belitz, Kenneth kbelitz@usgs.gov
Adobe PDF(16711Kb)  |  收藏  |  浏览/下载：27/10  |  提交时间：2019/11/06
Water quality, sources of nitrate, and chemical loadings in the Geronimo Creek and Plum Creek watersheds, south-central Texas, April 2015–March 2016 科技报告
报告编号: 70191438, 页数: 64, 2017
作者:  Lambert, Rebecca B. blambert@usgs.gov;  Opsahl, Stephen P. sopsahl@usgs.gov;  Musgrove, MaryLynn mmusgrov@usgs.gov
Adobe PDF(3351Kb)  |  收藏  |  浏览/下载：9/6  |  提交时间：2019/11/06
Groundwater quality data from the National Water-Quality Assessment Project, May 2012 through December 2013 科技报告
报告编号: 70170900, 页数: 68, 2016
作者:  Arnold, Terri L. tlarnold@usgs.gov;  Desimone, Leslie A. ldesimon@usgs.gov;  Bexfield, Laura M. bexfield@usgs.gov;  Lindsey, Bruce D. blindsey@usgs.gov;  Barlow, Jeannie R. B. jbarlow@usgs.gov;  Kulongoski, Justin T. kulongos@usgs.gov;  Musgrove, MaryLynn mmusgrov@usgs.gov;  Kingsbury, James A. jakingsb@usgs.gov;  Belitz, Kenneth kbelitz@usgs.gov
Adobe PDF(23515Kb)  |  收藏  |  浏览/下载：29/5  |  提交时间：2019/11/06