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Location Folder Show Tree ROOT _ScienceBase Catalog 3DSC Alaska Science Center (ASC) Alkalic Igneous Centers of the Great Plains and Rocky Mountains: Data in Support of Critical Mineral Resource Studies AMMonitor: Remote wildlife monitoring for adaptive management Amphibian Research and Monitoring Initiative More... Filters Date Range Past year (22) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (22) ArcGIS Service Definition (7) Raster (5) Budget (1) Project (1) Types Map Service (38) Downloadable (34) OGC WFS Layer (26) OGC WMS Layer (26) Shapefile (22) More... Contacts U.S. Geological Survey - ScienceBase Holly J Beck Benjamin V Miller Benjamin V Miller U.S. Geological Survey, Wetland and Aquatic Research Center More... Categories Data (63) pre-SM502.8 (2) Data Release - In Progress (1) Project (1) Tag Types Theme (72) Place (68) USGS Scientific Topic Keyword (15) Harvest Set (24) ISO 19115 Topic Categories (2) theme (1) LCC Project Category (1) More... Tag Schemes None (58) USGS Thesaurus (32) Common geographic areas (20) ISO 19115 Topic Category (31) GNIS (12) Geographic Names Information System (8) Marine Realms Information Bank (MRIB) keywords (8) More... View Results as: JSON ATOM CSV Browse Folder

Direct Current Resistivity Data DC Resitivity Methodology Direct current (DC) resistivity transects were surveyed using an IRIS Syscal Pro Switch 96 instrument (IRIS Instruments, Inc., Orléans, France). Steel electrodes were hammered into the ground at a fixed distance along the profile. These were connected to the instrument using copper wires and junction boxes. The number of electrodes on each profile and their spacing is shown below: Line 1: 180 electrodes, 5 meter spacing Line 2: 48 electrodes, 2 meter spacing Line 3: 48 electrodes, 2 meter spacing Line 4: 24 electrodes, 2 meter spacing Line 5: 36 electrodes, 2 meter spacing On Line 1, the roll-along method was used to extend the line to its full extent. In this method, 48 electrodes... Categories: Data Soil-Water-Balance (SWB) model data sets for Fauquier County, Virginia, 1996 - 2015 A Soil-Water-Balance (SWB) model was developed to estimate annual recharge and evapotranspiration (ET) for Fauquier County, Virginia, for the period 1996 through 2015. The model was developed as part of a study to assess groundwater availability in the fractured-rock aquifers underlying Fauquier County. The model is documented in the associated report, U.S. Geological Survey (USGS) Scientific Investigations Report 2019-5056. The model was calibrated by comparing annual base-flow estimates from the hydrograph separation technique PART to annual recharge estimates from the SWB model for available years of streamflow record at two sites (01643700 and 01656000) within the model area. Selected SWB model parameters were... Tags: Fauquier County, Hydrogeology, SWB, Soil-Water-Balance, USGS Science Data Catalog (SDC), All tags... Virginia, Water Resources, evapotranspiration, groundwater, inlandWaters, recharge, water budget, Fewer tags Maximum inundation limits resulting from hypothetical dam failure of the Lago El Guineo Dam, Orocovis, Puerto Rico, under a 24-hour probable maximum precipitation recurrence rainfall event - polygon shapefile The U.S. Geological Survey, in cooperation with the Puerto Rico Electric Power Authority, completed a hydrologic and hydraulic analysis to assess the potential hazard to human life and property associated with the hypothetical failure of the Lago El Guineo Dam. The Lago El Guineo Dam is within the headwaters of the Río Grande de Manatí and impounds a drainage area of about 4.25 square kilometers. This geospatial dataset in shapefile format, guineo_24hr_pmp.shp, contains the maximum inundation limits resulting from hypothetical dam failure of the Lago El Guineo Dam, under a 24-hour probable maximum precipitation recurrence rainfall event. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Dam failure, HEC-RAS, Inundation, Lago El Guineo, Orocovis, All tags... Puerto Rico, flood, Fewer tags Daily precipitation data for Pico Roncador, Río Tanamá and La Mira stations, Puerto Rico, March 2009 to March 2011 The U.S. Geological Survey, in cooperation with the Puerto Rico Department of Natural and Environmental Resources, completed a study to determine whether a relation exists between the extent of forest cover and the magnitude of base flow at two sets of paired drainage basins in the highlands of the municipalities of Adjuntas and Utuado within the mountainous interior of Puerto Rico. One set of paired basins includes the Río Guaónica and Río Tanamá, both tributaries of the Río Grande de Arecibo. The other set includes two smaller basins in the drainage basin of the Río Coabey, which is a tributary of the Río Tanamá. The paired basins in each set have similar rainfall patterns, geologic substrate, and aspect; the... Categories: Data; Types: Citation; Tags: Adjuntas, Puerto Rico, Río Guaónica, Río Tanamá, Utuado, All tags... precipitation, Fewer tags Frequency Domain Electromagnetic Data - Raw Data FDEM Methodology For this project frequency domain electromagnetic (FDEM) data were collected with a GEM-2, a broadband, multifrequency, fixed-coil electromagnetic induction unit (Geophex, 2015). Both in-phase and quadrature data were collected on 15 channels from a frequency of 810 Hz to 66,090 Hz. This system was carried along profiles that followed the axis of the dam and along tie lines that were perpendicular to the axis of the dam. Each data point was located using a backpack mounted GPS. To correct the drift of the instrument, a base station was established on the east side of the dam. Each survey started and ended with an occupation of the base station. These occupations occur as even line numbers... Categories: Data Woodbury, Tennessee Karst Groundwater Dye Tracing Water Year 2022 Karst hydrologic systems are important resources in the state of Tennessee both as drinking water resources and as centers for possible biological diversity. These systems are susceptible to contamination due to the inherent connectivity between surface water and groundwater systems in karst systems. A partnership between the U.S. Geological Survey (USGS) and Tennessee Department of Conservation (TDEC) was formed to investigate karst spring systems across the state utilizing fluorescent groundwater tracing, particularly in areas where these resources may be used as drinking water sources. In fall 2021, USGS and TDEC staff identified possible vulnerabilities or complexities that may exist within karst spring systems... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Cannon County, Cavender Branch, Doolittle Branch, Dye Trace, East Fork of the Stones River, All tags... Eastern Highland Rim, Hydrogeology, Hydrology, Karst, Parchcorn Hollow, Short Mountain, Springs, TDEC, Tennessee, Tennessee, Tennessee Department of Environment and Conservation, WOODBURY TENNESSEE DYE TRACING SPRINGS CAVES KARST GEOLOGY HYDROLOGY, Woodbury, Woodbury Water Department, caves, caves, dye tracing, dye tracing, groundwater, groundwater and surface-water interaction, groundwater flow, groundwater tracing, hydrogeology, karst, karst, karst, karst hydrology, karst hydrology, karst topography, Fewer tags Cowan, Tennessee Karst Groundwater Dye Tracing Water Year 2022 Karst hydrologic systems are important resources in the state of Tennessee both as drinking water resources and as centers for possible biological diversity. These systems are susceptible to contamination due to the inherent connectivity between surface water and groundwater systems in karst systems. A partnership between the U.S. Geological Survey (USGS) and Tennessee Department of Conservation (TDEC) was formed to investigate karst spring systems across the state utilizing fluorescent groundwater tracing, particularly in areas where these resources may be used as drinking water sources. In fall 2021, USGS and TDEC staff identified possible vulnerabilities or complexities that may exist within karst spring systems... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Boiling Fork Creek, COWAN TENNESSEE DYE TRACING SPRINGS CAVES KARST GEOLOGY HYDROLOGY, Cowan, Cowan, Cumberland Plateau, All tags... Dye Trace, Franklin County, Hawkins Cove, Hydrogeology, Hydrology, Karst, Sawanee, Springs, TDEC, Tennessee, Tennessee, Tennessee Department of Environment and Conservation, University of the South, caves, caves, dye tracing, dye tracing, groundwater, groundwater and surface-water interaction, groundwater flow, groundwater tracing, hydrogeology, karst, karst, karst, karst hydrology, karst hydrology, karst topography, Fewer tags Output Data by HUC4 Sub-basin for Hydrologic Simulations of the CONUS using the NHM-PRMS, 1950-2010, Maurer Calibration, Dynamic Parameters This data release contains inputs for and outputs from hydrologic simulations for the conterminous United States (CONUS) using the Precipitation Runoff Modeling System (PRMS) version 5.1.0 and the USGS National Hydrologic Model infrastructure (NHM, Regan and others, 2018). Historical simulations using the Maurer forcings (Maurer and others, 2002) were conducted for the period 1950-2010. This metadata record documents the simulation output files for simulations ran using the dynamic parameters file. The output files are aggregated at the HUC4 level and are grouped and downloadable by HUC2 hydrologic region. Each zip folder contains identical information, just for a different region and set of hydrologic response... Categories: Data; Tags: United States, inlandWaters, model, streamflow, streamflow modeling Polygon Locations of Basins upstream from Dams in South Carolina, derived from U.S. Army Corps Engineers National Inventory of Dams Reliable peak-streamflow information is critical for proper design of stream-related infrastructure, such as bridges, and StreamStats provides a user-friendly interface to estimate peak flows (https://streamstats.usgs .gov/ss/). StreamStats develops these peak-flow estimates using basin characteristics for the entire contributing area to a user-selected point; however, infrastructure planners often need to estimate flows for an area downstream from a known control such as a reservoir release or a weir. This dataset was compiled in cooperation with the South Carolina Department of Transportation (SCDOT) to provide a Geographic Information System (GIS) layer of filtered regulation points from the U.S. Army Corps Engineers... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Georgia, North Carolina, Region 1, Region 2, Region 3, All tags... Region 4, Region 5, South Carolina, bridges, dam sites, watershed management, Fewer tags Chemical-Gene and Chemical-Pathway Interactions Predicted for Chemicals Detected in the USGS-USEPA National Streams Pilot Study Based on Effects Data in the Comparative Toxicogenomics Database (CTD) Data from study assessing the utility of knowledgebase-leveraging of comprehensive environmental-contaminant-exposure datasets by comparing biological effects predicted on the basis of target chemical analyses with measured biological effects in corresponding split water samples. Tags: Aquatic Biology, Comparative Toxicogenomics Database, Environmental Health, U.S.A., USGS Science Data Catalog (SDC), All tags... Water Quality, biota, computational toxicology, endocrine activity, knowledgebase, mutagenicity, surface water, Fewer tags Radioisotopic data from USGS laboratory in St. Petersburg, Florida Specific activities of cesium-137 (half life = 30.17 years), lead-210 (half life = 22.3 years), radium-226 (half life = 1,600 years), thorium-234 (half life = 24.1 days), and potassium-40 (half life = 1.277 billion years) in disintegrations per minute per gram (dpm/g) were determined for the Lake Lanier cores. The laboratory errors (plus or minus) and the critical levels are included for each sample. Categories: Data; Tags: Georgia, Gwinnett County, Lake Sidney Lanier, cesium-137, inlandWaters, All tags... lead-210, potassium-40, radiometric dating, radium-226, thorium-234, Fewer tags Prediction grids of pH Groundwater is a vital resource to the Mississippi embayment region of the central United States. Regional and integrated assessments of water availability that link physical flow models and water quality in principal aquifer systems provide context for the long-term availability of these water resources. An innovative approach using machine learning was employed to predict groundwater pH across drinking water aquifers of the Mississippi embayment. The region includes two principal regional aquifer systems; the Mississippi River Valley alluvial (MRVA) aquifer and the Mississippi embayment aquifer system that includes several regional aquifers and confining units. Based on the distribution of groundwater use for... Tags: Alabama, Arkansas, Illinois, Kentucky, Louisiana, All tags... Mississippi, Tennessee, aquifer, boosted regression tree, groundwater, groundwater quality, machine learning, mathematical modeling, Fewer tags Scenario calculator for Tennessee SPARROW nutrient models This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total phosphorus and total nitrogen in Tennessee streams. These data support the publication containing the Tennessee SPARROW models results (Hoos and others, 2019) and include model input used in the South Atlantic-Gulf Drainages and Tennessee River Basin (SAGT) nutrient SPARROW models (Hoos and McMahon, 2009; Garcia and others, 2011) as well as model input for river basins in Tennessee not included in the domain of the published SAGT SPARROW models. Also included in this data release are model coefficients, the software required to execute the Tennessee SPARROW... Tags: SPARROW, Tennessee, nitrogen, nutrients, phosphorus, All tags... surface-water quality, Fewer tags Maximum inundation limits resulting from hypothetical dam failure of the Lago El Guineo Dam, Orocovis, Puerto Rico, under a 6-hour probable maximum precipitation recurrence rainfall event - polygon shapefile The U.S. Geological Survey, in cooperation with the Puerto Rico Electric Power Authority, completed a hydrologic and hydraulic analysis to assess the potential hazard to human life and property associated with the hypothetical failure of the Lago El Guineo Dam. The Lago El Guineo Dam is within the headwaters of the Río Grande de Manatí and impounds a drainage area of about 4.25 square kilometers. This geospatial dataset in shapefile format, guineo_6hr_pmp.shp, contains the maximum inundation limits resulting from hypothetical dam failure of the Lago El Guineo Dam, under a 6-hour probable maximum precipitation recurrence rainfall event. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Dam failure, HEC-RAS, Inundation, Lago El Guineo, Orocovis, All tags... Puerto Rico, flood, Fewer tags Data and Shapefiles for the Potentiometric Surface of the South Coast Aquifer and Hydrologic Conditions in the Santa Isabel area, Puerto Rico, March-April 2014 A groundwater level survey and reconnaissance of the hydrologic conditions in the South Coast aquifer in the Santa Isabel area of southern Puerto Rico was conducted during March 31 to April 17, 2014. The field survey included groundwater level measurements at 55 wells and instantaneous streamflow measurements at 15 locations in streams and irrigation canals. A potentiometric surface map of the alluvial aquifer provides an indication of the directions of groundwater flow. The objective of the field survey was to delineate the potentiometric surface of the study area defined as the South Coast aquifer between the Río Descalabrado to the west and the Río Jueyes to the east of the town of Santa Isabel. Instantaneous... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Potentiometric Map, Puerto Rico, Santa Isabel, Santa Isabel, USGS Science Data Catalog (SDC) 2010: Delineation of Water Bodies in Emergent Wetlands in Coastal New Jersey Hurricane Sandy, which made landfall on October 29, 2012, near Brigantine, New Jersey, had a significant impact on coastal New Jersey, including the large areas of emergent wetlands at Edwin B. Forsythe National Wildlife Refuge (NWR) and the Barnegat Bay region. In response to Hurricane Sandy, U.S. Geological Survey (USGS) has undertaken several projects to assess the impacts of the storm and provide data and scientific analysis to support recovery and restoration efforts. As part of these efforts, the USGS Coastal and Marine Geology Program (CMGP) sponsored Coastal National Elevation Database (CoNED) Applications Project in collaboration with the USGS National Geospatial Program (NGP), and National Oceanic and... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Barnegat Bay, Edwin B. Forsythe National Wildlife Refuge, Elevation, Environment, LIDAR, All tags... National Wetlands Inventory, New Jersey, Oceans, wetlands, Fewer tags Mississippi Alluvial Plain Extent The Mississippi Alluvial Plain (MAP) has become one of the most important agricultural regions in the US, and it relies heavily on a groundwater system that is poorly understood and shows signs of substantial change. The heavy use of the available groundwater resources has resulted in significant groundwater-level declines and reductions in base flow in streams within the MAP. These impacts are limiting well production and threatening future water-availability for the region. This product will help not only scientists in our center, but also at a national level. This product will also be part of a larger study encompassing the Mississippi Alluvial Plain region. The Mississippi Alluvial Plain extent was delineated... Tags: Arkansas, Arkansas River, Illinois, Kentucky, LMG, All tags... Louisiana, Lower Mississippi-Gulf Water Science, MAP, MAP, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River, Mississippi River Delta, Mississippi Valley, Missouri, Tennessee, U.S. Geological Survey, U.S.Geological Survey, USGS, Water Availability and Use Science Program, aquifer system, groundwater availability project, groundwater modeling, hydrogeology, water availability project, Fewer tags Soil, Geomorphology and Pre-European Settlement Vegetation Associations of Southwest Louisiana Defining the pre-European range of vegetation communities can enhance our understanding of the role soil, hydrology, and climate had on climax plant communities within southwest Louisiana. Coastal prairie grasslands were in a perpetual state of succession due to two primary disturbances; grazing, primarily by bison and other ungulates, and fires ignited by lightning and Native Americans. Along its borders, prairie vegetation blended into adjacent plant communities forming biologically diverse ecotones that may have fluctuated between a prairie, marsh, or forest dominated community as a result of variable conditions including climate cycles, disturbance and soil characteristics. Since European settlement, this landscape... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: grassland ecosystems Data points, corresponding to the bathymetric survey of Puerto Mosquito, Isla de Vieques, Puerto Rico, August 2015 This dataset consists of a shapefile of points corresponding to water depth collected for the bathymetric survey of Puerto Mosquito, in Isla de Vieques, Puerto Rico, on August 11, 2015. The U.S. Geological Survey, in cooperation with the Puerto Rico Environmental Quality Board, conducted a limnological study at Puerto Mosquito in Vieques to assess the principal mechanisms affecting the hydrology and water quality characteristics. The study characterized hydrologic and physical-chemical properties, sediment deposition rates, bathymetry, and biological conditions. The bathymetric survey system used for the study consisted of coupling a global positioning system (GPS) device with a water depth sounder. Established... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Puerto Mosquito, Puerto Rico, Storage volume, Vieques, bathymetry, All tags... limnology, ocean sciences, Fewer tags Data Release: Buttonland Swamp, water data, 2021 A Solinist water logger was used to collect water data at the Crawford Tract section of the Cache River Watershed in Illinois from June 22nd to November 29th of 2021. This data included temperature, pressure, and depth. Categories: Data; Tags: Buttonland Swamp, Cache River, Ecology, Hydrology, Illinois, All tags... Southern Illinois, USGS Science Data Catalog (SDC), United States, Water Quality, inlandWaters, water temperature, Fewer tags 1 2 3 4 5 »