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Filters Date Types (for Date Range) Types Map Service (5) OGC WFS Layer (5) OGC WMS Layer (5) OGC WMS Service (5) Contacts U.S. Geological Survey U.S. Geological Survey - ScienceBase Jennifer B Sharpe New Jersey Water Science Center Central Midwest Water Science Center More... Categories Data (7) Tag Types Theme (15) Place (15) USGS Scientific Topic Keyword (14) Harvest Set (15) CMS Non-theme Topics (1) CMS Themes (1) CMS Topics (1) Tag Schemes USGS Thesaurus (12) None (8) ISO 19115 Topic Category (8) Common geographic areas (6) Geographic Names Information System (GNIS) (2) FGDC (1) Common Geographic Areas (1) More... View Results as: JSON ATOM CSV

Long-term monotonic trends in annual and monthly streamflow metrics at streamgages in the United States The U.S. Geological Survey (USGS) Water Resources Mission Area (WMA) is working to address a need to understand where the Nation is experiencing water shortages or surpluses relative to the demand for water need by delivering routine assessments of water supply and demand and an understanding of the natural and human factors affecting the balance between supply and demand. A key part of these national assessments is identifying long-term trends in water availability, including groundwater and surface water quantity, quality, and use. This data release contains Mann-Kendall monotonic trend analyses for 18 observed annual and monthly streamflow metrics at 6,347 U.S. Geological Survey streamgages located in the conterminous... Categories: Data; Tags: Hydrology, USGS Science Data Catalog (SDC), United States, Water Resources, droughts, All tags... floods, hydrology, inlandWaters, streamflow, trends, Fewer tags Future Climate and Hydrology from Twenty Localized Constructed Analog (LOCA) Scenarios and the Basin Characterization Model (BCMv8) This data release contains monthly 270-meter resolution Basin Characterization Model (BCMv8) climate and hydrologic variables for Localized Constructed Analog (LOCA; Pierce et al., 2014)-downscaled Global Climate Models (GCMs) for Representative Concentration Pathway (RCP) 4.5 (medium-low emissions) and 8.5 (high emissions) for hydrologic California. The 20 future climate scenarios consist of ten GCMs with RCP 4.5 and 8.5 each: ACCESS 1.0, CanESM2, CCSM4, CESM1-BGC, CMCC-CMS, CNRM-CM5, GFDL-CM3, HadGEM2-CC, HadGEM2-ES, and MIROC5. The LOCA climate scenarios span water years 1950 to 2099 with greenhouse-gas forcings beginning in 2006. The LOCA downscaling method has been shown to produce better estimates of extreme... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Climatology, Hydrology, USGS Science Data Catalog (SDC), United States, All tags... Water Resources, atmospheric and climatic processes, climate change, climatologyMeteorologyAtmosphere, environment, evaporation, geoscientificInformation, hydrology, inlandWaters, mathematical modeling, permeability, precipitation (atmospheric), snow and ice cover, soil moisture, streamflow, surface water (non-marine), transpiration, water budget, water cycle, water resources, watershed management, Fewer tags Preliminary streamflow percentile predictions for ungaged areas of the Colorado River Basin, 1981-2020 This dataset consists of daily streamflow percentiles for 1981-10-01 to 2020-03-31 relevant to streamflow drought defined using two approaches: Percentiles accounting for flow seasonality (variable threshold percentiles) and those based on the full record of data for each site regardless of season (fixed threshold percentiles). Because of the size of this dataset (99,530,836 rows), it could not be provided as a .csv file, and is instead provided as a .parquet file. Instructions on reading this file using the R programming language are provided in the Processing Step section of this metadata. The daily streamflow percentiles were estimated for ungaged areas of the Colorado River Basin (CRB) using neural network models,... Tags: Colorado River Basin, Drought, Streamflow, USGS Science Data Catalog (SDC), United States, All tags... Water Resources, climatologyMeteorologyAtmosphere, inlandWaters, Fewer tags Peak Streamflow Data, Climate Data, and Results from Investigating Hydroclimatic Trends and Climate Change Effects on Peak Streamflow in the Central United States, 1921–2020 Peak-flow frequency analysis is crucial in various water-resources management applications, including floodplain management and critical structure design. Federal guidelines for peak-flow frequency analyses, provided in Bulletin 17C, assume that the statistical properties of the hydrologic processes driving variability in peak flows do not change over time and so the frequency distribution of annual peak flows is stationary. Better understanding of long-term climatic persistence and further consideration of potential climate and land-use changes have caused the assumption of stationarity to be reexamined. This data release contains input data and results of a study investigating hydroclimatic trends in peak streamflow... Tags: Climatology, Hydrology, Illinois, Iowa, Michigan, All tags... Minnesota, Missouri, Montana, North Dakota, South Dakota, USGS Science Data Catalog (SDC), United States, Water Resources, Wisconsin, climate change, climatology, climatologyMeteorologyAtmosphere, environment, floods, geoscientificInformation, hydrology, inlandWaters, regression analysis, river systems, stream discharge, streamflow, surface water (non-marine), Fewer tags Elevation, Flow Accumulation, Flow Direction, and Stream Definition Data in Support of the Illinois StreamStats Upgrade to the Basin Delineation Database The U.S. Geological Survey (USGS), in cooperation with the Illinois Center for Transportation and the Illinois Department of Transportation, prepared hydro-conditioned geographic information systems (GIS) layers for use in the Illinois StreamStats application. These data were used to delineate drainage basins and compute basin characteristics for updated peak flow and flow duration regression equations for Illinois. This dataset consists of raster grid files for elevation (dem), flow accumulation (fac), flow direction (fdr), and stream definition (str900) for each 8-digit Hydrologic Unit Code (HUC) area in Illinois merged into a single dataset. There are 51 full or partial HUC 8s represented by this data set: 04040002,... Tags: Geography, Hydrology, Illinois, Indiana, Michigan, All tags... USGS Science Data Catalog (SDC), Wisconsin, environment, geoscientificInformation, geospatial datasets, hydrology, land surface characteristics, streamflow, topography, watershed management, Fewer tags Elevation-Derived Hydrography in the Upper Shawsheen River Basin, Massachusetts The U.S. Geological Survey (USGS), in cooperation with the Air Force Civil Engineer Center (AFCEC), has compiled Geographic Information Systems (GIS) datasets. The spatial data layers provided in this data release are hydrography data derived from high-resolution lidar digital elevation models (DEM). They include a hydroline polyline shapefile used to hydro-enforce the high-resolution lidar DEM; a stream network centerline polyline shapefile derived from the hydro-enforcement that shows stream location; a sub-basin polygon shapefile derived from the hydro-enforcement representing watershed areas for all stream network centerline polylines; a flow direction raster, predicting the direction of flow based on direction... Tags: Hydrology, Massachusetts, USGS Science Data Catalog (SDC), geography, geospatial datasets, All tags... hydrology, land surface characteristics, lidar, streamflow, water resources, watershed management, Fewer tags Flood-Frequency Data for Six Selected Streamgages Following the Central New York Flood of October 31 – November 3, 2019 This U.S. Geological Survey (USGS) data release contains batch formatted annual peak streamflow data (PkFlows_AllSites.txt) through the 2020 water year for six selected USGS streamgages (01321000, 01342797, 01343060, 01346000, 01347000, and 01348000) that recorded the flood of October 31 – November 3, 2019, which severely affected the Mohawk Valley and southern Adirondack region in central New York State. This data release also contains batch formatted specification (PkFlows_AllSites.psf) and output (PEAKFLOWS_ALLSITES.PRT) files from log-Pearson type III (LPIII) flood-frequency analysis of the annual peak streamflow data in version 7.4 of the USGS PeakFQ software (Flynn and others, 2006), which implements the Bulletin... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: East Canada Creek, Flood Science, Groundwater and Streamflow Information, Hydrology, Low Flow or Peak Flow, All tags... Mohawk River, New York, Sacandaga River, USGS Science Data Catalog (SDC), USGS:62ebdf6bd34eacf539724c9d, West Canada Creek, floods, hydrology, streamflow, water resources, Fewer tags Daily Streamflow Data of Swift Reservoir Outflow and Selected Diversions from Birch Creek, Pondera County, Montana, January 2020 through December 2022 In 2019, the U.S. Geological Survey (USGS), in cooperation with the Blackfeet Water Department, initiated a multi-year hydrologic investigation of the Blackfeet Indian Reservation. The investigation was designed to increase understanding of the water resources of the Blackfeet Indian Reservation including Birch Creek which forms the southern boundary of the reservation. Streamflow is controlled in the headwaters of Birch Creek through the outflow from Swift Reservoir at Swift Dam. The data included in this data release was provided by the Pondera County Canal and Reservoir Company (PCCRC) and includes Swift Reservoir outflow daily streamflow values and daily streamflow values for three downstream diversions from... Categories: Data; Tags: Canal, Dam, Ditch, Diversion, Hydrology, All tags... Irrigation, Montana, Pondera County, Reservoir, Streamflow, USGS Science Data Catalog (SDC), Water Resources, Fewer tags HEC-RAS hydraulic, temperature, and nutrient models for the Mohawk River between Rome and Cohoes, New York In support of a preliminary analysis performed by New York State Department of Environmental Conservation (NYSDEC) that found elevated nutrient levels along selected reaches of the Mohawk River, one-dimensional, unsteady, hydraulic and water-quality models using HEC-RAS and HEC-RAS Nutrient Simulation Module I (version 5.0.3) were developed by the U.S. Geological Survey (USGS) for the 127-mile reach of the Mohawk River between Rome and Cohoes, New York. The models were designed to accurately simulate within-channel flow conditions for this highly regulated, control structure dense river reach. The models were calibrated for the study period of May through September 2016 using best available streamflow, temperature,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amsterdam, Aquatic Biology, Cohoes, Environmental Health, HEC-RAS, All tags... Hydrology, Little Falls, Mohawk River, New York State, Rome, Schenectady, USGS Science Data Catalog (SDC), Utica, Water Quality, Water Resources, algae, biota, dissolved oxygen, environment, geoscientificInformation, hydraulic engineering, hydraulic model, inlandWaters, mathematical modeling, nitrogen, nutrient content (water), nutrient model, phosphorus, river systems, stream discharge, streamflow, surface water (non-marine), water chemistry, water temperature, water temperature model, Fewer tags Physical and Hydraulic Monitoring on the Yellowstone River Fish Bypass Channel, Montana, May 2022 to August 2023 This data release was produced by the U.S. Geological Survey (USGS) in cooperation with the Bureau of Reclamation to present the results of monitoring efforts on the Yellowstone River fish bypass channel according to the specifications of the Lower Yellowstone Adaptive Management and Monitoring Plan. The fish bypass channel was constructed to provide upstream migrating fish with a route around a diversion dam. The objective of this study is to monitor the physical and hydraulic characteristics of the bypass channel, including flow split, minimum depth for the deepest continuous 30 cross sectional feet, and mean channel velocity, which are summarized in the data files in this data release. Physical and hydraulic... Tags: ADCP, GPS, Hydrology, Intake Diversion Dam, Intake, MT, All tags... Lower Yellowstone Project Main Canal, Montana, USGS Science Data Catalog (SDC), USGS Station ID 06328480, USGS Station ID 06328495, United States, Water Resources, Yellowstone River, Yellowstone River Fish Bypass Channel, Yellowstone River Fish Bypass Channel nr Intake MT, fish bypass, pallid sturgeon, streamflow, taxonomy, velocity, Fewer tags Model code, input datasets, and prediction files for dynamic stream dissolved solids and static baseflow dissolved solids SPARROW models of the Upper Colorado River Basin, 1986-2017 This data release contains model code and input data for, and predictions from, both a dynamic stream dissolved solids and a static baseflow dissolved solids SPARROW (SPAtially Referenced Regression On Watershed attributes) model of the Upper Colorado River Basin for water years 1986-2017. Input data includes information on dissolved solids sources, landscape transport characteristics, and dissolved solids load calibration data from water quality monitoring stations. Model output includes predictions for every reach of total and incremental predicted loads and total and incremental loads from each source. Further details on model development and results are described in Miller and others, 2023. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Colorado, New Mexico, SPARROW, USGS Science Data Catalog (SDC), All tags... Upper Colorado, Utah, Wyoming, baseflow, climate, dissolved solids, irrigated lands, none, salinity, streamflow, water quality, Fewer tags Geographic Data for the Estimation of Peak Flow Statistics for Illinois The U.S. Geological Survey Central Midwest Water Science Center completed a report (Over and others, 2023) documenting methods, results, and applications of an updated flood-frequency study for the State of Illinois. The study developed regional regression equations that relate the peak-flow quantiles and the basin characteristics of selected streamgages in Illinois, Indiana, and Wisconsin, based on data through water year 2017 (a water year is the period from October 1 to September 30 and is designated by the year in which it ends; for example, water year 2017 was from October 1, 2016, to September 30, 2017). The data provided through this data release are those digital datasets of basin characteristics that have... Tags: Basin Characteristics, Delineated Basins, Drainage area, Floods, Hydrology, All tags... Hydrology, Illinois, Indiana, Regression Analysis, Slope, Soil slope, Stream Discharge, Streamflow, Streamstats, Texture permeability index, USGS Science Data Catalog (SDC), Urbanization, Water Resources, Wisconsin, Fewer tags Low-Flow Period Seasonality, Trends, and Climate Linkages Across the United States Data Release This metadata record describes data that characterize low-flow period duration and seasonality, as well as trends and climate linkages at streamgages across the conterminous United States. These data are associated with a publication which looks to answer three questions about low-flow periods in the conterminous United States: (1) how long are these periods and when do they typically start and end, (2) how are these properties changing through time, and (3) how does climate influence these properties? These data include 1145 U.S. Geological Survey streamgages with historical periods from 1951-2020. This data release contains the following: 1) low_flow_characteristics.csv: Annual low-flow period characteristics... Categories: Data; Tags: CONUS, Ecological Flows, Hydrology, Hydrology, Low Flows, All tags... USGS Science Data Catalog (SDC), United States, climatologyMeteorologyAtmosphere, datasets, hydrology, inlandWaters, stream discharge, streamflow, surface water (non-marine), Fewer tags Massachusetts Stream Crossing Project Data Web Map Service The U.S. Geological Survey (USGS) and the University of Massachusetts at Amherst (UMass Amherst), in cooperation with the Massachusetts Department of Environmental Protection (MassDEP), began a series of studies in 2019 to develop a web-based statewide hydraulic modeling tool to provide preliminary culvert designs to support stream crossing replacement projects in Massachusetts. This Web Map Service (WMS) has been developed to query data from the hydraulic models at select stream crossing locations using the StreamStats web application for Massachusetts. The WMS contains stream crossing point locations with hydrology and hydraulic data tables and associated watershed polygons. These stream crossing locations were... Categories: Data; Tags: Hydrology, Massachusetts, USGS Science Data Catalog (SDC), Water Resources, mathematical modeling, All tags... streamflow, watershed management, Fewer tags Estimated low-flow statistics at ungaged stream locations in New Jersey, water year 2022 Estimates of various low-flow statistics were computed at 56 ungaged stream locations throughout New Jersey during the 2022 water year using methods in the published reports, 1) Streamflow characteristics and trends in New Jersey, water years 1897-2003 (Watson and others, 2005) and 2) Implementation of MOVE.1, censored MOVE.1, and piecewise MOVE.1 low-flow regressions with applications at partial-record streamgaging stations in New Jersey (Colarullo and others, 2018). The estimates are computed as needed for use in water resources permitting, assessment, and management by the New Jersey Department of Environmental Protection. The data release includes the stream name, location, drainage area, method of estimation,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Estimation, Low-flow statistics, MOVE.1, New Jersey, USGS Science Data Catalog (SDC), All tags... geoscientificInformation, inlandWaters, streamflow, Fewer tags