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Found 245 dataset(s) matching "quality-control".
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This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online National Water Information System...
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The watershed data management (WDM) database SC20.WDM is updated with the processed data for the period October 1, 2019, through September 30, 2020. The precipitation data are collected from a...
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The watershed data management (WDM) database SC21.WDM is updated with the processed data for the period October 1, 2020, through September 30, 2021. The precipitation data are collected from a...
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Watershed Data Management (WDM) database file WBDR20.WDM is updated with the quality-assured and quality-controlled meteorological and hydrologic data for the period October 1, 2020, through...
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The Watershed Data Management (WDM) database file WBDR17.WDM is updated with the quality-assured and quality-controlled meteorological and hydrologic data for the period October 1, 2017, through...
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The watershed data management (WDM) database SC16.WDM is updated with the processed data for the period October 1, 2016, through September 30, 2017, and renamed as SC17.WDM. The precipitation data...
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The U.S. Geological Survey (USGS), in cooperation with DuPage County Stormwater Management Department, developed a watershed data management (WDM) database of hourly meteorological and hydrologic...
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Watershed Data Management (WDM; Flynn and others, 1995) database file WBDR13.WDM is updated with the quality-assured and quality-controlled meteorological and hydrologic data for the period...
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This data release is the update of the watershed data management (WDM) database file WBDR17.WDM, with the processed data for the period October 1, 2016, through September 30, 2017. The WDM...
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The watershed data management (WDM) database SC18.WDM is updated with the processed data for the period October 1, 2018, through September 30, 2019. The precipitation data are collected from a...
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This data release presents results of chemical analyses of groundwater sampled during summer and autumn of 2019 and spring of 2020 from 23 wells in the Great Miami buried-valley aquifer (GM-BVA)...
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This data release includes tables and plots of results for pesticide compounds (pesticides and degradates) analyzed in groundwater samples collected by the USGS National Water-Quality Assessment...
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This dataset contains quality-assurance and quality-control data (QA/QC) not publicly available in the online National Water Information System (NWIS) for the Pennsylvania Groundwater Monitoring...
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This data release includes water-quality data collected at 38 sites in central and eastern Massachusetts from April 2018 through May 2019 by the U.S. Geological Survey to support the...
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Analytical recovery is the concentration of an analyte measured in a water-quality sample expressed as a percentage of the known concentration added to the sample (Mueller and others, 2015)....
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This dataset consists of the Surface Ocean CO2 Atlas (SOCAT) data product files. SOCAT is a synthesis activity by the international marine carbon research community and has more than 100...
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This dataset consists of the Surface Ocean CO2 Atlas (SOCAT) data product files. SOCAT is a synthesis activity by the international marine carbon research community and has more than 100...
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Groundwater-quality data were collected from 748 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program from May 2012 through...
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The U.S. Geological Survey collected samples from 50 public supply wells during two distinct sampling episodes (2004-2005 and 2014) on the North-Central California coast. During each sampling...
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The ocean absorbs one quarter of the global CO2 emissions from human activity. The community-led Surface Ocean CO2 Atlas (www.socat.info) is key for the quantification of ocean CO2 uptake and its...
