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Filters Date Types (for Date Range) Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts U.S. Geological Survey - ScienceBase Water Resources Samuel A Miller David Moeser Ecosystems More... Categories Data (8) Data Release - Revised (2) Tag Types Place (10) Theme (10) USGS Scientific Topic Keyword (9) Harvest Set (10) Tag Schemes None (6) U.S. Department of Commerce, 1987, Codes for the identification of the States, the District of Columbia and the outlying areas of the United States, and associated areas (Federal Information Processing Standard 5-2): Washington, D. C., NIST (1) USGS Thesaurus (6) Common geographic areas (3) ISO 19115 Topic Category (7) none (1) place (1) More... View Results as: JSON ATOM CSV

Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2023 Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes summed from nine tributaries to the Chesapeake Bay from 1985 to 2023. Data are presented as the sum from tributaries within the USGS River Input Monitoring (RIM) network identified by site numbers: 01491000, 01578310, 01594440, 01646580, 01668000, 01673000, 01674500, 02035000, 02041650. Periods of estimation include January through May and November through May. The estimates are made using up-to-date streamflow and all total nitrogen analyses available as of June 1 of the reporting year. Categories: Data; Tags: Appomattox River, Chesapeake Bay, Choptank River, Hydrology, James River, All tags... Marine Geology, Mattaponi River, Nitrogen flux, Nitrogen load, Pamunkey River, Patuxent River, Potomac River, Rappahannock River, Susquehanna River, USGS Science Data Catalog (SDC), Water Quality, Water Resources, Fewer tags Data release associated with research that describes how major flooding and dam operations in the upper Mississippi River contribute to large upstream migrations of native paddlefish and invasive bigheaded carp Recent research has attributed major flood events with the upstream spread of invasive carp in the Mississippi River. In two sequential years, the upper Mississippi River experienced a low water year with very minimal flooding in 2022 and a very high water year with extreme and sustained flooding in the spring of 2023. This data release contains hydrologic data from the U.S. Army Corps of Engineers at upper Mississippi River navigation locks 4-18 to classify when each dam experienced open river conditions and was no longer preventing upstream movements of fishes. To attribute biological movements around these open river conditions, we used acoustic telemetry data to track native paddlefish and invasive bigheaded... Categories: Data; Tags: Aquatic Biology, USGS Science Data Catalog (SDC), Upper Mississippi River, Water Resources, Wildlife Biology, All tags... acoustic telemetry, bigheaded carp, biota, dams, flooding, invasive species, paddlefish, Fewer tags Environmental Sampling and Modeling Results to Characterize Surface-Water Quality at 32 Sites Across the Potomac River Watershed, 2022 (ver. 2.0, September 2024) This data release presents chemical results from investigations of surface-water quality in the Potomac River watershed (encompassing Washington, D.C. and parts of West Virginia, Virginia, Pennsylvania, and Maryland) conducted during low-flow conditions in July through September of 2022 and modeling results that support interpretative products. Water-quality sampling: A sampling campaign was conducted at 32 stream sites throughout the watershed (Table 1). A suite of field parameters and inorganic and organic chemical characteristics at each site were characterized using seven separate analytical methods at five laboratories (Table 2). The water-quality results are presented in Table 3. Analytical methods and laboratories... Categories: Data; Tags: Chesapeake Bay Watershed, Maryland, PFAS, Pennsylvania, Potomac River, All tags... USGS Science Data Catalog (SDC), Virginia, Washington, D.C., West Virginia, biota, fluorescence, major and trace elements, optical properties, pharmaceuticals, river reaches, streamflow, surface water, surface water quality, volatile organic compounds, wastewater discharge, water chemistry, water quality, water quality, water resources, Fewer tags Snow drought classification and streamflow timing and magnitude signatures for snow dominated USGS watersheds in the Conterminous United States from 1980 to 2020 This data release contains snow drought classifications as well as streamflow timing and magnitude signatures for gaged, snow-dominated U.S. Geological Survey (USGS) watersheds in the Conterminous United States (CONUS) from 1980 to 2020 supporting the journal article "Snow drought classification and streamflow timing and magnitude signatures for snow dominated USGS watersheds in the Conterminous United States from 1980 to 2020." Specifically, this dataset contains snow drought classifications as "no snow drought," "cool and dry snow drought," "warm and dry snow drought," and "warm and wet snow drought." Along with the snow drought classification for each water year, climate data used to determine the snow drought... Categories: Data; Tags: Conterminous United States, USGS Science Data Catalog (SDC), Water Resources, drought, farming, All tags... inlandWaters, snow, snowmelt, streamflow, Fewer tags PIT Tags Encountered by Klamath Falls Field Station Equipment in the Upper Klamath Basin 1993-2024 (ver. 4.0, August 2024) Data were collected as part of a long-term capture-recapture program to assess the status and dynamics of populations of two long-lived, federally endangered catostomids in Upper Klamath Lake, Oregon and Clear Lake Reservoir, California. Lost River suckers (LRS; Deltistes luxatus) and shortnose suckers (SNS; Chasmistes brevirostris) have been captured and tagged with passive integrated transponder (PIT) tags during their spawning migrations in each year since 1995.PIT tagged species were encountered in netting efforts, remote transceivers, and active scanning on bird colonies across the Upper Klamath River Basin (predominately Upper Klamath Lake and Clear Lake Reservoir). The data includes detections for endangered... Categories: Data, Data Release - Revised; Tags: Aquatic Biology, Clear Lake National Wildlife Refuge, Ecology, USGS Science Data Catalog (SDC), Upper Klamath Lake, All tags... Water Resources, animal tracking, ecology, endangered species, inlandWaters, salmonids, suckers, Fewer tags Average and annual watershed climate, hydrology, and productivity data for rivers across the Northern Hemisphere This dataset includes average, and annual average (e.g., average of 2020) watershed characteristics and environmental driver data for 189 rivers across the Northern Hemisphere. Average data includes lithology (e.g., percent of watershed covered by volcanics), land use (e.g., percent of watershed covered by cropland), maximum day length, median nitrogen and phosphorus concentrations, maximum watershed proportion of snow covered area, precipitation, temperature, evapotranspiration, green-up day, net primary productivity, 5th percentile discharge, 95th percentile discharge, day of minimum discharge, day of maximum discharge, and coefficient of variation of discharge. Average data includes maximum watershed proportion... Categories: Data; Tags: Canada, Finland, Norway, Russia, Sweden, All tags... USGS Science Data Catalog (SDC), United States, Water Resources, biogeochemistry, regime, river, silicon, spatial datasets, watershed characteristics, Fewer tags Produced water chemistry data for the Lost Hills, Fruitvale, and North and South Belridge study areas, Southern San Joaquin Valley, California (version 1.1, September 2020) The U.S. Geological Survey (USGS) in cooperation with the California State Water Resources Control Board (Water Board) collected produced water and casing gas samples from petroleum wells and other oil-field sites in selected oil fields in the southern San Joaquin Valley in Kern County in 2016 and 2017. The samples were collected as part of the Water Boards Regional Groundwater Monitoring Program (RMP) of Water Quality in Areas of Oil and Gas Production. Samples included produced water and casing gas collected from oil wells, produced water collected from surface produced water disposal ponds, and injectate stored in tanks planned for underground injection. Samples were collected from the Fruitvale oil field on... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bakersfield, Belridge, California, Fruitvale, Geochemistry, All tags... Hydrogeology, Kern, Lost Hills, Southern San Joaquin Valley, USGS Science Data Catalog (SDC), Water Quality, Water Resources, inlandWaters, Fewer tags Snow Measurements in Specific Canopy Structure Regimes for April 9, 2024, North of Coal Creek, San Juan Mountains, Colorado, USA These data include snow depth and snow water equivalent (SWE) for a field campaign on April 9, 2024. The field area is comprised of 311 surveyed points in, on the perimeter of, and surrounding six forest openings next to Coal Creek off Coal Bank Pass in the San Juan Mountains in southwestern Colorado, USA. These measurements were taken to look at the relationship between snow accumulation and snow melt patterns between forest gaps of various sizes, and forest edges of various sizes (edge of forest gaps). Canopy metrics, including canopy height, total gap area, mean distance to canopy, canopy closure, leaf area index, non-directional edginess, canopy edginess with a southern aspect, and canopy edginess with a northern... Tags: Climatology, Forestry, Hydrology, San Juan Mountains, Southwest Colorado, All tags... USGS Science Data Catalog (SDC), Water Resources, canopy density, canopy structure, environment, precipitation (atmospheric), snow depth, snow water equivalent, Fewer tags Bathymetry and Water-Quality Data of Surface Water Bodies in Cook County, Illinois, 2024 In 2024, the U.S. Geological Survey (USGS), in collaboration with the Cook County Bureau of Technology (BOT), carried out comprehensive hydrographic and water-quality surveys, and activity and disturbance assessments of 44 total water bodies encompassing lakes and rivers within Cook County, Illinois. These surveys and assessments describe the bathymetry, water-quality conditions, and on-site field crew observations and impressions for each water body and its surrounding catchment area. Data collected may assist the BOT with resource management decisions and practices and contribute to an inventory that can be shared with other local governmental agencies. Included in this data release are bathymetric, water quality,... Categories: Data; Tags: Chicago, Hydrology, Illinois, USGS Science Data Catalog (SDC), Upper Illinois, All tags... Water Quality, Water Resources, bathymetry, lake, lakebed acoustic reflectivity, multibeam sonar, single-beam echo sounder, surface water (non-marine), water quality, Fewer tags Data and model code in support of Stream nitrate dynamics driven primarily by discharge and watershed physical and soil characteristics at intensively monitored sites, Insights from deep learning We developed a suite of models using deep learning to make hindcast predictions of the 7-day average backward-looking nitrate concentration at 46 predominantly agricultural sites across the midwestern and eastern United States. The models used daily observations of discharge and meteorological variables and static watershed attributes describing anthropogenic modification to hydrology, nitrogen application, climate, groundwater, land use and land cover, watershed physical attributes, and soils. Across all sites, discharge and watershed soil and physiographic attributes show a particularly strong influence on model performance. An analysis of drivers across sites revealed considerable regional differences related... Tags: DC, DE, Delaware, District of Columbia, Geography, All tags... IA, IL, IN, Illinois, Indiana, Iowa, KS, KY, Kansas, Kentucky, MD, MI, MN, MO, Maryland, Michigan, Minnesota, Missouri, NE, NJ, NY, Nebraska, New Jersey, New York, OH, Ohio, PA, Pennsylvania, SD, South Dakota, US, USGS Science Data Catalog (SDC), United States, VA, Virginia, WI, WV, Water Quality, Water Resources, West Virginia, Wisconsin, deep learning, environment, explainable AI, inlandWaters, machine learning, modeling, nitrogen, water, water quality, water resources, Fewer tags