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| The effect of suspended sediment and color on ultraviolet spectrophotometric nitrate sensors 科技报告 来源:US Geological Survey (USGS). 出版年: 2016 作者: [null] 收藏  |  浏览/下载:1/0  |  提交时间:2019/04/05 |
| Groundwater quality, age, and susceptibility and vulnerability to nitrate contamination with linkages to land use and groundwater flow, Upper Black Squirrel Creek Basin, Colorado, 2013 科技报告 来源:US Geological Survey (USGS). 出版年: 2016 作者: Wellman, Tristan P.; Rupert, Michael G. mgrupert@usgs.gov 收藏  |  浏览/下载:1/0  |  提交时间:2019/04/05 |
| Median nitrate concentrations in groundwater in the New Jersey Highlands Region estimated using regression models and land-surface characteristics 科技报告 来源:US Geological Survey (USGS). 出版年: 2015 作者: Baker, Ronald J. rbaker@usgs.gov; Chepiga, Mary M. mchepiga@usgs.gov; Cauller, Stephen J. sjcaulle@usgs.gov 收藏  |  浏览/下载:13/0  |  提交时间:2019/04/05 |
| Particle tracking for selected groundwater wells in the lower Yakima River Basin, Washington 科技报告 来源:US Geological Survey (USGS). 出版年: 2015 作者: Bachmann, Matthew P. mbachman@usgs.gov 收藏  |  浏览/下载:0/0  |  提交时间:2019/04/05 |
| Results from laboratory and field testing of nitrate measuring spectrophotometers 科技报告 来源:US Geological Survey (USGS). 出版年: 2015 作者: [null] 收藏  |  浏览/下载:0/0  |  提交时间:2019/04/05 |
| Groundwater levels and water quality during a 96-hour aquifer test in Pickaway County, Ohio, 2012 科技报告 来源:US Geological Survey (USGS). 出版年: 2014 作者: Haefner, Ralph J. rhaefner@usgs.gov; Runkle, Donna L. dlrunkle@usgs.gov; Mailot, Brian E. bemailot@usgs.gov 收藏  |  浏览/下载:0/0  |  提交时间:2019/04/05 |
| Groundwater level and nitrate concentration trends on Mountain Home Air Force Base, southwestern Idaho 科技报告 来源:US Geological Survey (USGS). 出版年: 2014 作者: [null] 收藏  |  浏览/下载:0/0  |  提交时间:2019/04/05 |
| Use of stable isotopes of nitrogen and water to identify sources of nitrogen in three urban creeks of Durham, North Carolina, 2011-12 科技报告 来源:US Geological Survey (USGS). 出版年: 2014 作者: McSwain, Kristen Bukowski; Young, Megan B. mbyoung@usgs.gov; Giorgino, Mary L. giorgino@usgs.gov 收藏  |  浏览/下载:6/0  |  提交时间:2019/04/05 |
| Pesticides and nitrate in groundwater underlying citrus croplands, Lake Wales Ridge, central Florida, 1999-2005. 科技报告 来源:US Geological Survey (USGS). 出版年: 2014 作者: [null] 收藏  |  浏览/下载:0/0  |  提交时间:2019/04/05 |
| The use of process models to inform and improve statistical models of nitrate occurrence, Great Miami River Basin, southwestern Ohio 科技报告 来源:US Geological Survey (USGS). 出版年: 2013 作者: Walter, Donald A. dawalter@usgs.gov; Starn, J. Jeffrey 收藏  |  浏览/下载:1/0  |  提交时间:2019/04/05 |