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Estimated Annual Recharge to the Edwards Aquifer in the San Antonio Area, by Stream Basin or Ungaged Area, 1934–2016 IMPORTANT NOTE: A more recent version of this data release is available from this link. The Edwards aquifer in south central Texas is one of the most permeable and productive aquifers in the United States and is the major source of public water supply for Bexar, Comal, Hays, Medina, and Uvalde Counties. The Edwards aquifer also supplies large quantities of water to agriculture, business, and industry in the region. The major artesian springs of the Edwards aquifer provide water for recreational activities, businesses, and downstream users, and provide habitat for several threatened or endangered species. The areas pertinent to the recharge process are the catchment area and the recharge zone. The catchment area... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 08168500 Guadalupe River above Comal River at New Braunfels, Tex., 08171000 Blanco River at Wimberley, Tex., 08171300 Blanco River near Kyle, Tex., 08173000 Plum Creek near Luling, Tex., 08178700 Salado Creek at Loop 410, San Antonio, Tex., All tags... 08179500 Medina Lake near San Antonio, Tex., 08183900 Cibolo Creek near Boerne, Tex., 08185000 Cibolo Creek at Selma, Tex., 08190000 Nueces River at Laguna, Tex., 08190500 W Nueces River near Brackettville, Tex., 08192000 Nueces River below Uvalde, Tex., 08195000 Frio River at Concan, Tex., 08196000 Dry Frio River near Reagan Wells, Tex., 08197500 Frio River below Dry Frio River near Uvalde, Tex., 08198000 Sabinal River near Sabinal, Tex., 08198500 Sabinal River at Sabinal, Tex., 08200000 Hondo Creek near Tarpley, Tex., 08201500 Seco Creek at Miller Rh near Utopia, Tex., 08202700 Seco Creek at Rowe Rh near D'Hanis, Tex., Edwards Aquifer Catchment Area, Edwards Aquifer Recharge Zone, Edwards aquifer, San Antonio, Texas, USGS Science Data Catalog (SDC), Water Resources, groundwater, recharge, Fewer tags Calibration data and model archive summaries for suspended-sediment, total nitrogen, and total phosphorus concentration surrogate models in York County, Pennsylvania, 2019-2023 (ver. 2.0, May 2024) The U.S. Geological Survey (USGS), in cooperation with the York County Planning Commission and York County Conservation District, has collected discrete stream samples for analysis of suspended-sediment, total nitrogen, and total phosphorus concentrations at six real-time streamflow and water-quality monitoring (turbidity, nitrate, and specific conductance) stations located in York County, Pennsylvania. Data were collected from 2019-2023 at these stations for the application of predicting suspended-sediment, total nitrogen, and total phosphorus concentrations using real-time continuous turbidity, nitrate, specific conductance, and streamflow. Regression equations were developed by relating discrete-sample suspended... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Pennsylvania, USGS Science Data Catalog (SDC), York, nutrient content (water), surface water quality, All tags... suspended material (water), suspended sediment, Fewer tags Inputs and Selected Outputs Used to Assess Spatial and Temporal Patterns in Streamflow, Water-Chemistry, and Aquatic Macroinvertebrates of Selected Streams in Fairfax County, Virginia, 2007-2018 Nitrogen (N), phosphorus (P), and suspended-sediment (SS) loads, in Fairfax County, Virginia streams have been calculated using monitoring data from five intensively monitored watersheds for the period from water year (October - September) 2008-2017. Nutrient and suspended-sediment loads were computed using a surrogate (multiple-linear regression) approach with lab analyzed N, P, and SS samples as the response variable and basic water-quality parameters (e.g. turbidity, specific conductance, pH, water temperature), streamflow, and time and seasonal terms that could be measured continuously as predictor (surrogate) variables. The load results represent the total mass of N, P, and SS that was exported from each of... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, Ecology, Fairfax County, Hydrology, USGS Science Data Catalog (SDC), All tags... United States, Virginia, Water Quality, Water Resources, load analysis, nitrogen, nutrients, phosphorus, surrogate regression, suspended sediment, trends, urban, water quality, Fewer tags Field measurements of flow velocity from the Tanana River, Alaska, July 24, 2019 Field measurements of flow velocity were acquired from a reach of the Tanana River near Nenana, Alaska, July 24, 2019, to support research on estimating surface flow velocities from remotely sensed data via particle image velocimetry (PIV). The velocity measurements included in this data release were obtained using a TRDI RiverRay acoustic Doppler current profiler (ADCP) deployed from a boat with an outboard motor. This data release provides depth-averaged flow velocities derived from the raw ADCP data using the TRDI WinRiver II processing software. The spatial location of each velocity measurement was obtained using a differential GPS included as part of the RiverRay instrument package. The map projection and... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Acoustic Doppler Current Profiler, Alaska, Nenana, Particle Image Velocimetry (PIV), Remote sensing, All tags... River, Tanana River, flow velocity, Fewer tags Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2023 The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District produced this dataset of groundwater‐level altitudes and groundwater‐level altitude changes in the Chicot and Evangeline aquifers (undifferentiated), and Jasper aquifer in the greater Houston area, Texas. This dataset shows current‐year (2023) groundwater‐level altitudes for each aquifer as well as 1–year (2022–23), and 5‐year (2018–23) groundwater‐level changes for each aquifer, long‐term (1990–2023 and 1977–2023) groundwater‐level changes for the Chicot and Evangeline aquifers... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Brazoria County Groundwater Conservation District, Brazoria County, Texas, Chambers County, Texas, Chicot aquifer, City of Houston, Texas, All tags... Evangeline aquifer, Fort Bend County, Texas, Fort Bend Subsidence District, Galveston County, Texas, Grimes County, Texas, Harris County, Texas, Harris-Galveston Subsidence District, Jasper aquifer, Liberty County, Texas, Lone Start Groundwater Conservation District, Montgomery County, Texas, San Jacinto County, Texas, Texas, USGS Science Data Catalog (SDC), Walker County, Texas, Waller County, Texas, aquifer, elevation, elevation, groundwater, groundwater-level altitude, hydrology, hypsometry, subsidence, Fewer tags Seepage meter efficiency in highly permeable settings source data (2020) Efficiency of seepage meters, long considered a fixed property associated with the meter design, is not constant in highly permeable sediments. Instead, results from this study indicate that efficiency varies substantially with seepage-bag fullness, duration of bag attachment, depth of meter insertion into the sediments, and seepage velocity. Efficiency also varies substantially in response to variable hydraulic conductivity. The first worksheet titled "Literature efficiency" presents seepage-meter efficiency values from the literature to show the progression of efficiency versus time. The remaining 7 worksheets present time-series data showing seepage-meter efficiency related to several different tests: (1) flow... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Denver Federal Center, Jefferson County, Hydrology, Limnology, USGS Science Data Catalog (SDC), Water Resources, All tags... groundwater flow, permeability, Fewer tags Streamflow measurements collected along the Deer Creek main stem and tributaries on March 26, 2014, in St. Louis County, Missouri Streamflow wading measurements were made on March 26, 2014 within the Deer Creek watershed in St. Louis County, Missouri, following U.S. Geological Survey methods in Turnipseed and Sauer (2010). This effort occurred during a date and time void of rainfall or snowmelt runoff to properly evaluate a base-flow condition. Measuring locations were chosen based on inflow junctions (for example open channel tributaries or pipe outflows) such that main stem streamflow could be evaluated above and below the inflow. A total of 31 main stem and 25 inflow streamflow measurements were made over 9 miles along the main stem reach of Deer Creek starting at Magna Carta Drive. This data release includes a table of the streamflow... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Deer Creek, Seepage, Streamflow, USGS Science Data Catalog (SDC), Water Resources, All tags... biota, Fewer tags Potential Effects of Energy Development on Environmental Resources of the Williston Basin in Montana, North Dakota, and South Dakota—Water Resources tables 4-1 to 4-2 Water resources of the energy development area of the Williston Basin in eastern Montana, western North Dakota, and northwest South Dakota are described in terms of characteristics of the produced water and other deep formation water. 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 Groundwater water-quality data for select constituents in Williston Basin, Montana, North Dakota, and South Dakota for water years 1970-2014 The groundwater 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 Council,... 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... aluminum, arsenic, barium, chloride, chromium, copper, elevation, groundwater, groundwater chemistry, groundwater quality, inlandWaters, iron, lead, pH, selenium, specific conductance, strontium, sulfate, total dissolved solids, water quality, zinc, Fewer tags Fecal bacteria and microbial source tracking marker data in the Rio Grande, Albuquerque, New Mexico 2017-2020 This data release is a compilation of water-quality data, including fecal bacteria and microbial source tracking markers, from multiple organizations that collect data on the Rio Grande in the South Valley of Albuquerque, New Mexico. The organizations include Bosque Ecosystem Monitoring Program (BEMP), the City of Albuquerque (COA), the Pueblo of Isleta, and University of New Mexico (research by student James Fluke). Escherichia coli and microbial source tracking (when available) data were collected in tables for each entity. These data are discussed in the Previous Monitoring section of the Scientific Investigations Report Assessing Escherichia coli and Microbial Source Tracking Markers in the Rio Grande in the... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: USGS Science Data Catalog (SDC), Water Resources Estimated crop irrigation water use withdrawals in Harquahala Irrigation Non-Expansion Area Groundwater Basin, Arizona for 2021 Observations of irrigated agricultural land within the Harquahala Irrigation Non-Expansion Area Groundwater Basin in Arizona. Crops were verified in situ three times in 2021, first on March 3rd, then on May 19th, and finally on September 2nd; based on digitized field boundaries. Field boundaries were digitized from U.S. Department of Agriculture, National Agricultural Imagery Program images dated 2021 and supplemented with Landsat and Sentinel2 imagery collections accessed via the Sentinel Hub, Sentinel Playground (https://apps.sentinel-hub.com/sentinel-playground). Satellite images were also used to identify the length of the growing season and crop condition. Water withdrawals were calculated using the modified... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, Harquahala Irrigation Non-Expansion Area Groundwater Basin, La Paz, Land Use Change, Maricopa, All tags... USGS Science Data Catalog (SDC), agricultural sites, groundwater, irrigation, water use, Fewer tags Annual Nutrient Loads at Illinois EPA Ambient Water Quality Monitoring Network Sites, Water Years 1976–2021 This data release contains estimates of annual nitrogen and phosphorus loads, as well as loads of other constituents, from sites in the Illinois Environmental Protection Agency (Illinois EPA) Ambient Water Quality Monitoring Network. The loads were estimated using Weighted Regressions on Time, Discharge, and Season with Kalman filtering (WRTDS-K) and existing discrete water-quality data and discharge data collected by Illinois EPA, the U.S. Geological Survey, and Illinois State Water Survey from water year 1976 to 2021 (Hirsch and others, 2015; Lee and others, 2019). All water-quality and discharge data used in this work are available from the Water Quality Portal and the National Water Information System database... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Ambient Water Quality Monitoring Network, Illinois, USGS Science Data Catalog (SDC), Water Quality, nitrate, All tags... nitrogen, phosphorus, regression analysis, water quality, Fewer tags Remotely sensed data and field measurements from a tracer dye experiment on the Kootenai River, ID, September 25-27, 2017 To support research on dispersion in river channels, a tracer dye experiment was performed on the Kootenai River in northern Idaho, September 25-27, 2017. This parent data release contains links to several types of field measurements and remotely sensed data acquired during this experiment: 1) in situ measurements of Rhodamine WT dye concentration; 2) reflectance spectra and corresponding concentration measurements acquired from a boat; 3) hyperspectral image data acquired from a conventional manned aircraft; and 4) digital, three-band (RGB) aerial photographs acquired from a manned aircraft. Please refer to the individual child pages for further detail about each data set. Overall, these data were used to assess... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aquatic Biology, Bonners Ferry, Geomorphology, Idaho, Kootenai River, All tags... Remote Sensing, USGS Science Data Catalog (SDC), Water Quality, channel, concentration, dispersion, hyperspectral, remote sensing, rhodamine dye, river, tracer study, Fewer tags Digital orthophotos of the Tanana and Nenana Rivers, Alaska, acquired from a fixed-wing aircraft on August 19, 2021 This child data release provides the information needed to download from the USGS EarthExplorer portal digital orthophotos acquired along the Tanana and Nenana Rivers near Nenana, Alaska, on August 19, 2021. The primary goal of this study was to assess the feasibility of estimating surface flow velocities from optical image sequences acquired from a fixed-wing aircraft flying along the river by tracking water surface features via particle image velocimetry (PIV). Remote sensing of flow velocities could provide a more efficient, cost-effective alternative to conventional field-based methods of measuring channel hydraulics and thus become an important component of non-contact approaches to streamgaging. Moreover,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aircraft, Alaska, Image sequence, Nenana, Nenana River, All tags... Orthophotography, Particle Image Velocimetry (PIV), Remote sensing, River, Tanana River, flow velocity, Fewer tags Estimated crop irrigation water use withdrawals in Ranegras Plain Groundwater Basin, Arizona for 2021 Observations of irrigated agricultural land within the Ranegras Plain Groundwater Basin in Arizona. Crops were verified in situ twice in 2021, first on May 19th and again on September 1st; based on digitized field boundaries. Field boundaries were digitized from U.S. Department of Agriculture, National Agricultural Imagery Program images dated 2021 and supplemented with Landsat and Sentinel2 imagery collections accessed via the Sentinel Hub, Sentinel Playground (https://apps.sentinel-hub.com/sentinel-playground). Satellite images were also used to identify the length of the growing season and crop condition. Water withdrawals were calculated using the modified Blaney-Criddle model of calculating consumptive use... Categories: Data, Data Release - In Progress; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, La Paz, Land Use Change, Ranegras Plain Groundwater Basin, USGS Science Data Catalog (SDC), All tags... agricultural sites, groundwater, irrigation, water use, Fewer tags Estimates of annual and daily concentration and flux of nutrients, chloride, and total suspended solids in tributaries of Lake Champlain, 1990 through 2014 This USGS data release presents tabular data of daily and annual (for the 9-month period March 1 through November 30) estimates of concentrations and fluxes of total and dissolved phosphorus, total nitrogen, chloride, and total suspended solids for 18 monitored tributaries of Lake Champlain. Annual estimates of concentration and flux are presented as 9-month data because the frequency and type of sample data from winter months are inadequate for making meaningful wintertime estimates. Daily estimates generally cover the period March 1990 through November 2014 and annual estimates 1990 through 2014, although dates vary by constituent and tributary, depending on availability of raw data. The dataset consists of 6... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Champlain, USGS Science Data Catalog (SDC), Water Resources, flow normalization, long-term trends, All tags... nutrient and sediment loading, Fewer tags Estimated crop irrigation water use withdrawals in Harquahala Irrigation Non-Expansion Area Groundwater Basin, Arizona for 2023 Observations of irrigated agricultural land within the Harquahala Irrigation Non-Expansion Area Groundwater Basin in Arizona. Crops were verified in situ three times in 2023, first on May 12th, then on Aug 24th, and finally on Sep 30th; based on digitized field boundaries. Field boundaries were digitized from U.S. Department of Agriculture, National Agriculture Imagery Program County Mosaic 2023 imagery for Arizona and supplemented with the Sentinel2 imagery collection accessed via the European Space Agency, Copernicus Browser (https://browser.dataspace.copernicus.eu/). Satellite images were also used to identify the length of the growing season and crop condition. Water withdrawals were calculated using the modified... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, Harquahala Irrigation Non-Expansion Area Groundwater Basin, La Paz, Land Use Change, Maricopa, All tags... USGS Science Data Catalog (SDC), agricultural sites, groundwater, irrigation, water use, Fewer tags Selected Basin Boundaries for USGS Streamgages in Alaska through 2014 This dataset contains 474 drainage basin boundaries for U.S. Geological Survey (USGS) streamgages in Alaska, including supplemental drainage basin boundaries for alternate conditions for 3 of the 471 streamgages. The basin boundaries were delineated from the streamgage location to the nearest USGS Watershed Boundary Dataset (WBD) HUC boundary and along HUC boundaries from that intersection to the basin headwaters. The dataset also includes the streamgage locations used for delineation, which consist of points snapped from the streamgage coordinates in the USGS National Water Information System to the USGS National Hydrography Dataset flowline representing the respective streams. Streamgages selected for drainage... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Discharge/flow, Hydrographic datasets, Hydrology, Hydrology, All tags... InlandWaters, Rivers/streams, Terrestrial Hydrosphere, USGS Science Data Catalog (SDC), Water Resources, Fewer tags Summary simulated groundwater budgets and travel times for watersheds on the north shore of Long Island Sound A steady-state groundwater flow model was developed for watersheds on the north shore of Long Island Sound in coastal Connecticut and adjacent areas of New York and Rhode Island. As part of the analysis, groundwater travel times and the components of the groundwater budget were calculated for each HUC12 basin within the model domain and for the watersheds of selected embayments identified by the Connecticut Department of Energy and Environmental Protection. The seaward boundaries of the HUC12 basins were extended to include adjacent coastal waters. This compilation includes shapefiles of the HUC12 basins and of the watersheds of selected embayments. Shapefiles of the selected embayments without the corresponding... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Connecticut Coastal, Hydrology, Long Island Sound, Marine Nearshore, All tags... New York, Rhode Island, Stratified glacial sediment, USGS Science Data Catalog (SDC), Water Resources, glacial till, groundwater and surface-water interaction, groundwater flow, groundwater level, hydrogeology, mathematical modeling, nitrogen, Fewer tags Estimated crop irrigation water use withdrawals in Ranegras Plain Groundwater Basin, Arizona for 2020 Observations of irrigated agricultural land within the Ranegras Plain Groundwater Basin in Arizona. Crops were verified in situ three times in 2020 first on March 11th, then on May 27th, and finally on August 11th; based on digitized field boundaries. Field boundaries were digitized from U.S. Department of Agriculture, National Agricultural Imagery Program images dated 2019 and supplemented with Landsat and Sentinel2 imagery collections accessed via the U.S. Geological Survey LandLook Viewer (https://landlook.usgs.gov/) and Sentinel Hub, Sentinel Playground (https://apps.sentinel-hub.com/sentinel-playground). Satellite images were also used to identify the length of the growing season and crop condition. Water withdrawals... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, La Paz, Land Use Change, Ranegras Plain Groundwater Basin, USGS Science Data Catalog (SDC), All tags... Water Resources, agricultural sites, groundwater, irrigation, water use, Fewer tags « 1 ... 40 41 42 43 44 »