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Water-Quality Data for Discrete Samples and Continuous Monitoring on the Merrimack River, Massachusetts, June to September 2020 This data release includes water-quality data collected at up to thirteen locations along the Merrimack River and Merrimack River Estuary in Massachusetts. In this study, conducted by the U.S. Geological Survey (USGS) in cooperation with the Massachusetts Department of Environmental Protection, discrete samples were collected, and continuous monitoring was completed from June to September 2020. The data include results of measured field properties (water temperature, specific conductivity, pH, dissolved oxygen) and laboratory concentrations of nitrogen and phosphorus species, total carbon, pheophytin-a, and chlorophyll-a. These data were collected to assess selected (mainly nutrients) water-quality conditions in... Categories: Data; Tags: Amesbury, MA, Haverhill, MA, Lawrence, MA, Lowell, MA, Massachusetts, All tags... Merrimac, MA, Merrimack River, Methuen, MA, Newburyport, MA, Salisbury, MA, Tyngsborough, MA, USGS Science Data Catalog (SDC), Water Quality, continuous water-quality, datasets, discrete water-quality, environment, marine water-quality, surface water (non-marine), surface water-quality, water sampling, Fewer tags Modeled and observed trends at reference basins in the conterminous U.S. from October 1, 1983 through September 30, 2016 This data release contains trend results computed on the basis of modeled and observed daily streamflows at 502 reference gages across the conterminous U.S. from October 1, 1983 through September 30, 2016. Modeled daily streamflows were computed using the deterministic Precipitation Runoff Modeling System (PRMS), and five statistical techniques: Nearest-Neighbor Drainage Area Ratio (NNDAR), Map-Correlation Drainage Area Ratio (MCDAR), Ordinary Kriging of the logarithms of discharge per unit area (OKDAR), Nearest-Neighbor nonlinear spatial interpolation using flow duration curves (NNQPPQ), and Map-Correlation nonlinear spatial interpolation using flow duration curves (MCQPPQ). Observed daily streamflow data for the... Tags: Hydrology, USGS Science Data Catalog (SDC), United States, Water Resources, data release, All tags... datasets, environment, environment, hydrographic datasets, hydrology, inlandWaters, inlandWaters, mathematical modeling, regression analysis, stream discharge, streamflow, Fewer tags Streamflow Drought Metrics for Selected United States Geological Survey Streamgages from 1921-2020 This metadata record describes a series of tabular datasets containing metrics used to characterize drought for select United States Geological Survey (USGS) streamgages for the climate years (April 1 – March 31) 1921 to 2020. These streamgages are a subset of those used in Geospatial Attributes of Gages for Evaluating Streamflow, version 2 (GAGES-II, Falcone, 2011) in the conterminous United States (CONUS). These metrics include streamflow percentiles, identified drought events, annual low streamflow, and drought statistics for each event. Categories: Data; Tags: CONUS, CONUS, Drought, Hydrology, biota, All tags... datasets, streamflow, Fewer tags A network of 31 Upper Missouri River Basin naturalized water-year (Oct-Sep) streamflow reconstructions spanning years 800-1998 CE Paleohydrologic records provide a valuable perspective on the variability of streamflow and hydroclimate that is critical for water resource planning and placing present day and future conditions into a long-term context. Until now, key insights gained from streamflow reconstructions in the other river basins across the Western U.S. been lacking in the Upper Missouri River Basin due to a lack of extended streamflow records. Here we utilize a new database of naturalized streamflow records for the Upper Missouri and an expanded network of tree-ring records from the region to reconstruct streamflow at 31 gaging locations across the major Mountain Headwaters of the United States’ largest river basin. The database also... Categories: Data; Tags: Missouri Headwaters, North Platte Headwaters, South Platte Headwaters, USGS Science Data Catalog (SDC), Upper Missouri, All tags... climatology, datasets, hydrology, inlandWaters, streamflow, surface water (non-marine), Fewer tags Geodatabase Containing Bull Trout (Salvelinus confluentus) Information from the Upper Boise River, Southwestern Idaho Bull trout (Salvelinus confluentus), listed as threatened under the Endangered Species Act, are among the more thermally sensitive of coldwater species in North America. The Boise River upstream of Arrowrock Dam in southwestern Idaho (including Arrowrock Reservoir) provides habitat for one of the southernmost populations of bull trout. The presence of the species in Arrowrock Reservoir poses implications for dam and reservoir operations. From 2011 to 2014, the Bureau of Reclamation and the U.S. Geological Survey collected fish telemetry data to improve understanding of bull trout distribution and movement in Arrowrock Reservoir and in the upper Boise River tributaries. The U.S. Geological Survey compiled the telemetry... Tags: Ada County, Aquatic Biology, Arrowrock Dam, Arrowrock Reservoir, Boise, All tags... Boise Basin, Boise County, Boise River, Bull Trout, Datasets, Elmore County, Geospatial datasets, Middle Fork Boise River, Mobile Tracking, Mores Creek, North Fork Boise River, Robie Creek, South Fork Boise River, State of Idaho, Stationary Tracking, Telemetry, Tracking, USGS Science Data Catalog (SDC), file geodatabase, Fewer tags Cataloging and Digitizing USGS Indirect Measurements for Montana through Water Year 2020 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... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Land, Montana, North America, USGS Science Data Catalog (SDC), United States, All tags... biota, datasets, floods, hazard preparedness, stream-gage measurement, streamflow, watershed management, Fewer tags Groundwater-quality data in the Coachella Valley Domestic Supply Aquifer Study Unit, 2020: Tables, (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; 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 resources, water sampling, Fewer tags Streamflow Drought Metrics for Selected United States Geological Survey Streamgages in and around the Colorado River Basin from 1981-2020 This metadata record describes a series of tabular datasets containing metrics used to characterize drought for select United States Geological Survey (USGS) streamgages in and surrounding the Colorado River Basin for the climate years (April 1 – March 31) 1981 to 2020. These streamgages are a subset of those used in Geospatial Attributes of Gages for Evaluating Streamflow, version 2 (GAGES-II, Falcone, 2011) with some additional USGS streamgages not in the GAGES-II dataset added. The metrics include streamflow percentiles, identified drought events, annual low streamflow, and statistics for each drought event. Categories: Data; Tags: CONUS, CONUS, Drought, Hydrology, USGS Science Data Catalog (SDC), All tags... biota, datasets, streamflow, Fewer tags Science in the Great Lakes (SiGL) Database Archive In the Great Lakes basin, there are numerous organizations undertaking scientific monitoring and research efforts with the goal of identifying threats and evaluating management strategies that will protect and restore the Great Lakes ecosystem. Coordination among all these stakeholders is a challenge, and having a centralized location where researchers and managers can identify relevant scientific activities and access fundamental information about these activities is crucial for efficient management. The Science in the Great Lakes (SiGL) Mapper was a map-based discovery tool that spatially displayed basin-wide multidisciplinary monitoring and research activities conducted by both USGS and partners from all five... Tags: Aquatic Biology, Canada, Ecology, Environmental Health, Great Lakes, All tags... Hydrology, Illinois, Indiana, Information Sciences, Lake Erie, Lake Huron, Lake Michigan, Lake Ontario, Lake Superior, Limnology, Michigan, Minnesota, New York, Ohio, Ontario, Pennsylvania, Sedimentology, USGS Science Data Catalog (SDC), Water Quality, Water Resources, Wisconsin, biota, data release, datasets, surface water (non-marine), water sampling, Fewer tags Benthic algae community composition data from the Colorado River Basin, Colorado, from 2022-23 This dataset includes benthic algae community composition data in the Colorado River near Cameo, Colorado, U.S. Geological Survey (USGS) site number 09095500, from 2022 to 2023, and from three sites in the upper White River Basin, Colorado, in 2022. Taxonomic classification of algae species is not known well in theses rivers, and this study was conducted to record different algae species present in each river system. Benthic algae were typically identified as genus or species, and biomass and biovolume were provided for taxa. The U.S. Geological Survey completed data collection in upper White River Basin in cooperation with the White River Conservation District, and the Colorado River data collection was funded... Tags: Aquatic Biology, Colorado, Ecology, USGS Science Data Catalog (SDC), United States, All tags... algae, biota, datasets, species diversity, systematics and taxonomy, Fewer tags Water-quality and streamflow data for United States and Canadian sites in the Red River Basin and scripts for trend analysis—Data supporting water-quality trend analysis in the Red River of the North basin, 1970–2017 A comprehensive study to evaluate water-quality trends in the international Red River of the North basin and to assess water-quality conditions for Red River of the North crossing the international boundary near Emerson, Manitoba was completed by the U.S. Geological Survey (USGS) in cooperation with the International Joint Commission, North Dakota Department of Environmental Quality (NDDEQ) and Minnesota Pollution Control Agency (MPCA), and in collaboration with Manitoba Sustainable Development (MSD) and Environment and Climate Change Canada (ECCC). In this dataset a zipped folder is provided which contains all files necessary to run models and produce results published in U.S. Geological Scientific Investigations... Tags: Manitoba, Minnesota, North Dakota, Red River of the North, USGS Science Data Catalog (SDC), All tags... Water Quality, datasets, nitrogen, nutrient content (water), phosphorus, salinity, surface water quality, suspended material (water), Fewer tags Fish distribution and tidal currents in the Upper San Francisco Estuary, 2022-2023 (ver. 2.0, March 2024) This data release includes field data for fishes sampled through mid-water trawls and otter trawl methods from Suisun Bay, California to the mouth of the Sacramento River. These data were collected from the months of September through October in 2022 and 2023 as a part of a multi-year study of Suisun Dredging and Fish Distribution (SDFD). This data release includes quantitative data on collected fish taxa focused on habitat differences between shipping channels and shoals. Sampling was done using short duration (~15 minute) trawls alongside associated water quality sample and Acoustic Doppler Current Profiler (ADCP) data collected at variable locations, depths, times, and currents. First release: May 26,2023 Revised:... Categories: Data; Tags: California, New York Slough, Sacramento-San Joaquin Delta, Suisun Bay, USGS Science Data Catalog (SDC), All tags... United States, aquatic biology, biota, biota, datasets, ecology, environment, estuarine ecosystems, ichthyology, transect sampling, water quality, wetlands, Fewer tags Chemical and Stable Isotope Data for Discrete Water Samples Collected in the Northern Sacramento-San Joaquin Delta, 2011-2012 This data set consists of chemical and stable isotope data obtained through the analysis of discrete water samples collected from 14 fixed sampling locations in the northern Sacramento-San Joaquin Delta at roughly monthly intervals between April 2011 and November 2012. Categories: Data; Tags: Cache Slough, Lindsey Slough, Miner Slough, Prospect Slough, Sacramento River, All tags... Sacramento San Joaquin Delta, Steamboat Slough, Toe Drain, USGS Science Data Catalog (SDC), biogeochemical cycling, datasets, light stable isotope analysis, nutrient content (water), water quality, Fewer tags Streamflow Drought Metrics for Selected United States Geological Survey Streamgages from 1981-2020 This metadata record describes a series of tabular datasets containing metrics used to characterize drought for select United States Geological Survey (USGS) streamgages for the climate years (April 1 – March 31) 1981 to 2020. These streamgages are a subset of those used in Geospatial Attributes of Gages for Evaluating Streamflow, version 2 (GAGES-II, Falcone, 2011) in the conterminous United States (CONUS). These metrics include streamflow percentiles, identified drought events, annual low streamflow, and drought statistics for each event. Categories: Data; Tags: CONUS, CONUS, Drought, Hydrology, biota, All tags... datasets, streamflow, Fewer tags Groundwater-quality data in the Coachella Valley Domestic Supply Aquifer Study Unit, 2020: Results from the California GAMA Priority Basin Project (ver. 2.0, April 2022) 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,... Tags: California, Coachella Valley, GAMA, Groundwater Ambient Monitoring and Assessment Program, Indio, All tags... 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 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 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 Datasets and scripts used for estimating streamflow and base flow within the nontidal Chesapeake Bay riverine system, water years 2006-15 This U.S. Geological Survey (USGS) data release contains estimated daily streamflow and base flow for HUC12 in the nontidal areas of the Chesapeake Bay watershed, monthly average streamflow and base flow, flow statistics, MATLAB scripts, and a document that describes how to create similar datasets in other watersheds. Daily streamflow was estimated for all the nontidal parts of the Chesapeake Bay watershed with the program "Unit Flows in Networks of Channels" (UFINCH; Holtschlag, 2016), together with the observations of measured streamflow at gages at the downstream ends of major rivers. The estimated streamflow was aggregated at the HUC12 level and reformatted as an Optimal Hydrograph Separation (OHS) input file... Categories: Data; Tags: Chesapeake Bay watershed, Delaware, Maryland, Pennsylvania, USGS Science Data Catalog (SDC), All tags... Virginia, Washington, DC, Water Quality, West Virginia, base flow, baseflow, datasets, geospatial datasets, groundwater, hydrograph separation, stream-gage measurement, streamflow, surface water (non-marine), Fewer tags Streamflow Drought Metrics for Selected United States Geological Survey Streamgages from 1951-2020 This metadata record describes a series of tabular datasets containing metrics used to characterize drought for select United States Geological Survey (USGS) streamgages for the climate years (April 1 – March 31) 1921 to 2020. These streamgages are a subset of those used in Geospatial Attributes of Gages for Evaluating Streamflow, version 2 (GAGES-II, Falcone, 2011) in the conterminous United States (CONUS). These metrics include streamflow percentiles, identified drought events, annual low streamflow, and drought statistics for each event. Categories: Data; Tags: CONUS, CONUS, Drought, Hydrology, biota, All tags... datasets, streamflow, 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 1 2 »