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08: Daily average stream base flow at 14 watersheds in Gwinnett County, Georgia for water years 2002-2020 This dataset contains the daily average base flow, as determined by hydrograph separation, for 14 watersheds in Gwinnett County, Georgia for October 2001 through September 2020. Hydrograph separations were done using the Web-based Hydrograph Analysis Tool (WHAT) using the simple local minimum method on the daily average streamflows, which are also provided in this dataset. Base flow along with the calculated base-flow index (the proportion of base flow to total flow) were used to characterize groundwater recharge and the relative degree of storm runoff in the watersheds. Base flow was also used as predictor variable in models for estimating streamwater constituent loads for 12 water-quality constituents at 13 of... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gwinnett County, State of Georgia, datasets, inlandWaters, streamflow, All tags... watershed, Fewer tags Attributions for nonstationary peak streamflow records in the Northeast region, 1941-2015 and 1966-2015, and supporting information A comma separated values (csv) file of data used to support attribution of trends and change points in annual peak streamflows observed at gages in the Northeast region. The file includes USGS gage identification and location information, developed land cover and basin storage data, correlation results between annual peak magnitudes and precipitation and Palmer Drought Severity Index (PDSI), and trend and change point results for precipitation and PDSI. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Datasets, Flooding, Peak-flow, Trends, United States Human Factors of Water Availability in the Delaware River Basin - Recreational and Environmental Sector Human factors that influence water availability in the Basin were discovered by reviewing hundreds of published literature items and articles from the literature following an extensive keyword search. The different factors were drawn from reviewing the literature and datasets to support the factor were researched across open data catalogs and the world wide web. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Delaware, Delaware River Basin, New Jersey, New York, Pennsylvania, All tags... datasets, geoscientificInformation, geospatial datasets, industrial water use, inlandWaters, irrigation, public supply water sources, water supply and demand, water use, Fewer tags Hydraulic Model Data for Selected Stream Crossing Sites in the Squannacook River Basin, North-Central Massachusetts The U.S. Geological Survey (USGS) collected field survey data and developed one-dimensional U.S. Army Corps of Engineers (USACE) Hydrologic Engineering Center’s River Analysis System (HEC-RAS) hydraulic models for selected stream crossing sites in the Squannacook River Basin, north-central Massachusetts. A Geographic Information System (GIS) was developed to derive model input data from Light Detection and Ranging (lidar) Digital Elevation Models (DEM) at each stream crossing location. Hydraulic models were built for existing culvert designs as well as preliminary culvert designs for a 3-sided box, 3-sided arch, and a pipe culvert using field survey and GIS data. The preliminary culvert models were designed to convey... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Massachusetts, datasets, geographic information systems, hydraulic engineering, mathematical modeling, All tags... stream discharge, streamflow, Fewer tags Cataloging and Digitizing USGS Indirect Measurements in Montana for 1964 Floods In 2021, the U.S. Geological Survey (USGS), in cooperation with the National Geological and Geophysical Data Preservation Program, cataloged and scanned notes and calculations for indirect measurements taken during flood events in Montana. This product provides a publicly available catalog of the field notes, photos, survey information, and calculations for indirect measurements at selected sites. Indirect measurements are surveyed by the USGS after floods by identifying high water marks along rivers indicating the maximum stream stage. These high water marks are used to estimate the peak discharge through standardized methods. Estimates of peak streamflow from the indirect estimates were were added to the National... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Land, Montana, North America, United States, biota, All tags... datasets, floods, hazard preparedness, stream-gage measurement, streamflow, watershed management, Fewer tags Potential Effects of Energy Development on Environmental Resources of the Williston Basin in Montana, North Dakota, and South Dakota—Water Resources tables 1-1 to 1-3, 2-1 to 2-6, and 3-1 to 3-32, and figure 1-1 Potential effects of energy development on environmental resources of the Williston Basin in Montana, North Dakota, and South Dakota—Water resources are described in terms of characteristics of the groundwater; streams and rivers; and lakes, reservoirs, and wetlands of the area in terms of physical occurrence, flow characteristics, water quality, and water use. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Montana, North Dakota, South Dakota, datasets, hydrogeology, All tags... resources, water quality, Fewer tags Attributions for nonstationary peak streamflow records in the Upper Plains region, 1941-2015 and 1966-2015, and supporting information Upper Plains (UP) Region. The U.S. Geological Survey Dakota Water Science Center, in cooperation with the Federal Highway Administration, is analyzing annual peak-flow data to determine if trends are present and provide attribution of trends where possible. This dataset contains four core comma separated values (csv) files (50-year monotonic, 75-year monotonic, 50-year change point, and 75-change point). Each of the four core csv files includes the USGS gage identifier, various statistical values, primary and secondary attribution, level of evidence, and comments/citations. The comments/citations column should include any sources, in addition to the statistical values in the csv, that were needed to decide on the... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Datasets, Flooding, Peak-flow, Trends, United States Attributions for nonstationary peak streamflow records in the Pacific Northwest region, 1941-2015 and 1966-2015, and supporting information Pacific Northwest (PNW) Region. The U.S. Geological Survey Dakota Water Science Center, in cooperation with the Federal Highway Administration, is analyzing annual peak-flow data to determine if trends are present and provide attribution of trends where possible. This dataset contains four core comma separated values (csv) files (50-year monotonic, 75-year monotonic, 50-year change point, and 75-change point). Each of the four core csv files includes the USGS gage identifier, various statistical values, primary and secondary attribution, level of evidence, and comments/citations. The comments/citations column should include any sources, in addition to the statistical values in the csv, that were needed to decide... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Datasets, Flooding, Peak-flow, Trends, United States Attributions for nonstationary peak streamflow records in the Midwest region, 1941-2015 and 1966-2015, and supporting information This dataset contains four core comma separated values (csv) files (50-year monotonic, 75-year monotonic, 50-year change point, and 75-change point). Each of the four core csv files includes the USGS gage identifier, various statistical values, primary and secondary attribution, level of evidence, and comments/citations. The comments/citations column should include any sources, in addition to the statistical values in the csv, that were needed to decide on the correct attribution. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Datasets, Flooding, Peak-flow, Trends, United States Attributions for nonstationary peak streamflow records in the Southwest region, 1941-2015 and 1966-2015, and supporting information Southwest (SW) Region. The U.S. Geological Survey Dakota Water Science Center, in cooperation with the Federal Highway Administration, is analyzing annual peak-flow data to determine if trends are present and provide attribution of trends where possible. This dataset contains comma separated value (csv) files to support the attribution of changes in peak streamflow in the southwestern U.S. to changes in precipitation, temperature, and timing of peak runoff. The peak streamflow is the maximum instantaneous flow during a water year from October 1st to September 30th of the next year. The dataset contains results for only the streamgages that were identified to have significant trends and change points for periods... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, California, Colorado, Datasets, Flooding, All tags... Nevada, Peak-flow, Trends, United States, Utah, Wyoming, Fewer tags Well Locations, Boundaries, and Grid Cells of the Coachella Valley Domestic Supply Aquifer Study Unit, 2020, (ver. 2.0) The U.S. Geological Survey collected groundwater samples from 38 wells used for domestic and small system drinking water supply in the Coachella Valley of California in 2020. The wells were sampled for the Coachella Valley Basin (CODA) Domestic Aquifer Study Unit of the California State Water Resources Control Board Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project’s assessment of the quality of groundwater resources used for domestic and small system drinking water supplies. Coachella Valley is located in the Desert hydrogeologic province (Johnson and Belitz, 2003) and is structurally divided into four subbasins by the San Andreas fault: the Indio subbasin, the Mission Creek subbasin,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Coachella Valley, GAMA, Groundwater Ambient Monitoring and Assessment Program, Hydrology, All tags... Indio, Riverside County, Salton Sea, Sonoran Desert, USGS Science Data Catalog (SDC), datasets, domestic well water use, drinking water use, environment, groundwater, groundwater level, inlandWaters, water chemistry, water quality, water sampling, Fewer tags Central Valley Hydrologic Model (CVHM2): Monthly Median Observed Streamflow These data are monthly median observed streamflow from 32 gages in the Central Valley for comparison to the updated Central Valley Hydrologic Model (CVHM2). The locations of these gages are shown in the shape file. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Central Valley, United States, datasets, stream-gage measurement, All tags... streamflow, Fewer tags Lake water-quality data for select constituents in Williston Basin, Montana, North Dakota, and South Dakota for water years 1970-2014 The lake and reservoir water-quality data were compiled from Water Quality Portal (https://www.waterqualitydata.us/) (National Water Quality Monitoring Council, 2015), USGS’s NAWQA Project’s data compilation (Oelsner and others, 2017) and the Montana Bureau of Mines and Geology (Montana Bureau of Mines, 2021), The compilation contains data for chloride, pH, specific conductance, sulfate, total dissolved solids (TDS) collected between water year 1970 to 2014. In addition 10 metals (aluminum, arsenic, barium, chromium, copper, iron, lead, selenium strontium, and zinc) analyzed during water years 1993 through 2014. National Water-Quality Monitoring Council, 2015, Water Quality Portal: National Water-Quality Monitoring... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Montana, North Dakota, South Dakota, Water-Quality Parameters, Williston Basin, All tags... datasets, inlandWaters, lake, lake water-quality, specific conductance, sulfate, total dissolved solids, TDS, SC, pH, surface water quality, surface water water quality, water quality, water-quality, Fewer tags Human Factors of Water Availability in the Delaware River Basin - Industrial Sector Human factors that influence water availability in the Basin were discovered by reviewing hundreds of published literature items and articles from the literature following an extensive keyword search. The different factors were drawn from reviewing the literature and datasets to support the factor were researched across open data catalogs and the world wide web. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Delaware, Delaware River Basin, New Jersey, New York, Pennsylvania, All tags... datasets, geoscientificInformation, geospatial datasets, industrial water use, inlandWaters, water supply and demand, water use, Fewer tags Attributions for nonstationary peak streamflow records in the South Central region, 1941-2015 and 1966-2015, and supporting information South Central (SC) Region. The U.S. Geological Survey Dakota Water Science Center, in cooperation with the Federal Highway Administration, is analyzing annual peak-flow data to determine if trends are present and provide attribution of trends where possible. This dataset contains four core comma separated values (csv) files (50-year monotonic, 75-year monotonic, 50-year change point, and 75-change point). Each of the four core csv files includes the USGS gage identifier, various statistical values, primary and secondary attribution, level of evidence, and comments/citations. The comments/citations column should include any sources, in addition to the statistical values in the csv, that were needed to decide on the... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Datasets, Flooding, Peak-flow, Trends, United States Model archive summary for turbidity derived suspended-sediment concentration at USGS station 01349527 Mohawk River above State Highway 30A at Fonda, New York This child item model archive summary documents a surrogate regression model to estimate suspended-sediment concentration (SSC) at the Mohawk River above State Highway 30A at Fonda, New York. (U.S. Geological Survey station number 01349527). The methods used follow USGS guidance in relevant Office of Surface Water/Office of Water Quality Technical Memoranda and USGS Techniques and Methods, book 3, chap. 4 (Rasmussen and others, 2009). Thirty-nine concurrent measurements of SSC and turbidity, collected from June 12, 2015, through May 28, 2020, were used in the model calibration dataset. Samples were collected across 94 percent of the range in observed discharge and 24 percent of the range in observed turbidity during... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Mohawk River, Montgomery County, New York State, Sediment, Water Quality, All tags... Water-Quailty Modeling, datasets, inlandWaters, mathematical modeling, real-time monitoring and reporting, regression analysis, sediment transport, suspended material (water), time series datasets, water quality, water sampling, Fewer tags The Geochemical Atlas of Alaska, 2016 - Geochem Data A rich legacy of geochemical data produced since the early 1960s covers the great expanse of Alaska; careful treatment of such data may provide significant and revealing geochemical maps that may be used for landscape geochemistry, mineral resource exploration, and geoenvironmental investigations over large areas. To maximize the spatial density and extent of data coverage for statewide mapping of element distributions, we compiled and integrated analyses of more than 175,000 sediment and soil samples from three major, separate sources: the U.S. Geological Survey, the National Uranium Resource Evaluation program, and the Alaska Division of Geological & Geophysical Surveys geochemical databases. Various types of... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Alaska, Alaska, Data Processing, Data Series, North America, All tags... United States, chemical analysis, data integration, datasets, economy, elements, geochemical processes, geochemistry, geographic information systems, geology, geoscientific information, grid, hydrologic unit code, maps and atlases, mathematical modeling, raster, sediments, soils, Fewer tags Water quality data for urban (centralized versus distributed stormwater management) and forested reference watersheds in Clarksburg, MD (2004-2016) Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Clarksburg, Land Change Science, Land Use Change, Maryland, Montgomery County, All tags... USGS Science Data Catalog (SDC), datasets, nitrogen, phosphorus, stormwater, surface water quality, suspended material (water), urban, water quality, Fewer tags Description of core collected during installation of a Wasatch aquifer monitoring well in the Green River Basin, Sublette County, Wyoming A monitoring well was installed in the Wasatch aquifer in the Green River Basin, Sublette County, Wyoming in August 2015. Core collected during drilling activities was described to a depth of 170 feet. The data release contains a detailed description of the lithology and physical characteristics of the core sections, as well as numerous photographs. The data release was produced in compliance with the new 'open data' requirements as a way to make the scientific products associated with USGS investigations available to the public. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hydrogeology, Sublette County, Wyoming, USGS Science Data Catalog (SDC), datasets, drilling and coring, All tags... geology, grain size, groundwater, hydrogeology, lithology, Fewer tags Concentration data for suspended sediment, nitrogen, and phosphorus for urban streams in Clarksburg, Maryland USA (2004-2016) This dataset describes baseflow and stormflow concentration data for the constituents of nitrogen and phosphorus and suspended sediments for watersheds included in a paired watershed study including a forested reference watershed and three urban watersheds with centralized or decentralized stormwater management in Clarksburg, Maryland USA. Surface water samples were collected between the years 2004-2016. These data are interpreted in a journal article published in the Journal of Environmental Management. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Clarksburg, Maryland, Montgomery County, datasets, nitrogen, All tags... phosphorus, surface water quality, suspended material (water), urban, water quality, Fewer tags 1 2 »