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Terrestrial Light Detection and Ranging Topographic Survey Data for Two Recreation Areas Near Blue Mountain Lake and Nimrod Lake, Arkansas, March 2020 The U.S. Geological Survey collected topographic data in cooperation with the U.S. Army Corps of Engineers to assist in the management of two recreation areas at Blue Mountain Lake and near Nimrod Lake in Arkansas. Data were collected March 3-4, 2020 using terrestrial light detection and ranging (T-lidar) surveying equipment, Global navigation Satellite System (GNSS) surveying equipment, and conventional surveying techniques. The surveyed locations had a parking area, boat ramp, and some small recreational structures. Each site was surveyed using a FARO 3D tripod-mounted T-lidar unit. Additionally, a topographic survey was conducted in order to georeference the lidar survey. These topographic data were collected... Categories: Data; Tags: ASCII, Arkansas, Blue Mountain Lake, Geography, Hydrology, All tags... Nimrod Lake, State Plane, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Water Resources, elevation, geology, inland waters, location, surveying, terrestrial lidar, utilitiesCommunication, Fewer tags Contiguous US and Global streamflow gages measuring zero flow We report the site number and locations of 5798 streamflow gages displaying zero flow for at least one day in their daily records. 4891 of these gages are from the GRDC network, and 906 are USGS gages in the contiguous US. Additionally, provisional data for two USGS gages 1) Rio Puerco near Bernardo, NM (USGS site: 08353000) and 2) Agua Fria River Near Mayer, AZ (USGS site: 09512500) are provided to illustrate zero flow record behaviors. Categories: Data; Tags: Global, United States, Hydrology, Intermittent streams, USGS Science Data Catalog (SDC), Water Resources, All tags... inlandWaters, Fewer tags Data for Field Evaluation of the Sequoia Scientific LISST-ABS Acoustic Backscatter Sediment Sensor This dataset summarizes various sedimentary data from ten U.S. Geological Survey (USGS) surface water sites across the contiguous United States. These sites include: 01648010 Rock Creek at Joyce Road, Washington, DC 05586300 Illinois River at Florence, Illinois 06731000 Cherry Creek below Cherry Creek Lake, Colorado 06807000 Missouri River at Nebraska City, Nebraska 06935965 Missouri River at St. Charles, Missouri 08374550 Rio Grande near Castolon, Texas 08375300 Rio Grande at Rio Grande Village, Big Bend National Park, Texas 09404200 Colorado River above Diamond Creek near Peach Springs, Arizona 11447650 Sacramento River at Freeport, California 12046260 Elwha River at diversion near Port Angeles, Washington The... Categories: Data; Tags: Cherry Creek, Clay, Colorado River, Elwha River, Fine Sand, All tags... Hydrology, Illinois River, Missouri River, Rio Grande River, Rock Creek, Sacramento River, Sedimentology, Silt, USGS Science Data Catalog (SDC), Very Fine Sand, Water Resources, acoustic methods, acoustics, biota, creek, regression analysis, river, sediment transport, sedimentology, suspended material (water), turbidity, Fewer tags Survey Data Collection for the Planning Assistance to the States Study along Little Sugar Creek and Selected Tributaries near Bella Vista, Arkansas, and Pineville, Missouri, December 2019 This dataset describes the Survey Data collected for the Planning Assistance to the States (PAS) study along Little Sugar Creek and selected tributaries, near Bella Vista, Arkansas, and Pineville, Missouri, December 2019. Little Sugar Creek is a tributary to the Elk River in Missouri that commences in Benton County, Arkansas and terminates in McDonald County, Missouri. The stream headwaters are located southeast of Garfield, Arkansas. Little Sugar Creek flows through Bella Vista, Arkansas, and runs north to its confluence with the Big Sugar Creek just south of Pineville, Missouri where it forms the Elk River. Browning Creek, Blowing Spring Creek, Spanker Creek and McKisic Creek are all tributaries to the Little... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ASCII, Arkansas, Bella Vista, Hydrology, Missouri, All tags... Pineville, State Plane, U.S. Geological Survey (USGS), USGS Science Data Catalog (SDC), United States Army Corps of Engineers (USACE), Water Resources, bathymetry, elevation, geology, inlandWaters, transportation, water depth, Fewer tags Water-Quality, Bed-Sediment, and Invertebrate Tissue Trace Element Concentrations for Tributaries in the Clark Fork Basin, Montana, October 2017 - September 2018 Water, bed sediment, and biota were sampled in selected streams from Butte to near Missoula, Montana, as part of a monitoring program in the upper Clark Fork Basin of western Montana. The sampling program was led by the U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency. Categories: Data; Tags: Aquatic Biology, Clark Fork Basin, Environmental Health, Geochemistry, Hydrology, All tags... Montana, USGS Science Data Catalog (SDC), Water Quality, Water Resources, bed sediment, biota, trace elements, water-quality, Fewer tags Hydrogeochemical Mixing data from Lake Michigan Tributaries 2011 This dataset describes the hydrogeomorphic structure and lake-tributary mixing in three intermediate-sized Lake Michigan rivermouths: Ford River, Manitowoc River, and Pere Marquette River. Data were collected from May to October 2011. Water chemistry variables were measured with a multiparameter sonde along longitudinal, lateral, and vertical transects. Magnesium, boron, and stable water isotope concentrations were also determined from grab water samples at particular depths. Categories: Data; Tags: Ford River, Geochemistry, Great Lakes, Hydrology, Lake Michigan, All tags... Manitowoc River, Pere Marquette River, USGS Science Data Catalog (SDC), conservative tracers, deltas, environment, estuaries, estuarine mixing, geomorphology, hydrogeomorphic processes, hydrology, rivermouth, water chemistry, Fewer tags Vertical chemical profiles collected across haloclines in the water column of the Ox Bel Ha cave network within the coastal aquifer of the Yucatan Peninsula in January 2015 and January 2016 Natural cave passages penetrating a coastal aquifer in the Yucatan Peninsula (Mexico) were accessed to test the hypothesis that chemoclines associated with salinity gradients (haloclines) within the flooded cave networks of the karst subterranean estuary are sites of methane oxidation. Two field trips were carried out to the fully-submerged cave system located 6.6 km inland from the coastline in January 2015 and January 2016. Vertical chemical profiles across the water column haloclines were obtained using the OctoPiPi (OPP), a high-resolution water sampler built by the U.S. Geological Survey (USGS). The sampling efforts resulted in cm-scale profiles of major ions (e.g., chloride and sulfate), as well as concentrations... Categories: Data; Tags: Cenote Bang, Ecology, Geochemistry, Hydrology, Mexico, All tags... Ox Bel Ha Cave System, Quintana Roo, U.S. Geological Survey, USGS, Yucatan Peninsula, anchialine ecosystem, aquatic ecosystem, biogeochemical cycling, biogeochemical cycling, carbon cycling, carbon isotope analysis, cave, cenote, chemical records, coastal aquifer, coastal ecosystems, ecosystem function, environment, environment, estuarine ecosystems, estuarine mixing, field inventory and monitoring, freshwater ecosystems, geochemical data, geochemistry, groundwater, hydrogeology, hydrologic records, hydrology, inland waters, inlandWaters, karst, salinity, subterranean estuary, Fewer tags Statistical summaries of simulated groundwater residence times for the 10 regional aquifers of the Northern Atlantic Coastal Plain aquifer system, at a 1 square-mile grid resolution Groundwater residence times were simulated for the major regional aquifers of the Northern Atlantic Coastal Plain aquifer system from New York to North Carolina using particle tracking in a regional groundwater flow model. Millions of particles were distributed throughout the aquifers of the North Atlantic Coastal Plain in a MODFLOW model with a volume-weighted algorithm, then tracked backwards using MODPATH6 (Pollock, 2012) until termination of their paths at their sources of origin, usually the simulated water table. Particles were tracked under simulated transient hydrologic conditions from the reference time of January 1, 2018 backwards to 1900, then under simulated steady-state conditions prior to 1900 until... Categories: Data; Tags: Delaware, Hydrology, Maryland, New Jersey, New York, All tags... North Carolina, Northern Atlantic Coastal Plain, USGS Science Data Catalog (SDC), Virginia, Water Quality, Water Resources, age estimation methods, aquifers, environment, groundwater flow, groundwater quality, inlandWaters, Fewer tags Data used to model and map arsenic concentration exceedances in private wells throughout the conterminous United States for human health studies This data release contains data used to develop models and maps that estimate the probabilities of exceeding various thresholds of arsenic concentrations in private domestic wells throughout the conterminous United States. Three boosted regression tree (BRT) models were developed separately to estimate the probability of private well arsenic concentrations exceeding 1, 5, and 10 micrograms per liter (µg/L). A random forest (RF) model was developed to estimate the most probable arsenic concentration category (≤5, >5 to ≤10, or >10 µg/L). The models use arsenic concentration data from private domestic wells located throughout the conterminous United States and independent variables that are available as geospatial... Categories: Data; Tags: Environmental Health, Geochemistry, Hydrology, USGS Science Data Catalog (SDC), United States, All tags... Water Quality, arsenic, drinking water use, environment, environmental health (human), geoscientificInformation, groundwater quality, health, machine learning models, private wells, Fewer tags Soil moisture monitoring following the 2009 Station Fire, California, USA, 2016-2019 This data release includes 2016-2019 soil moisture timeseries for two drainage basins (“Arroyo Seco” and “Dunsmore Canyon”) that burned during the 2009 Station Fire in Los Angeles County, California, USA. The Arroyo Seco (0.01 km2) and Dunsmore Canyon (0.5 km2) drainages include two soil pits, one located near the drainage divide and another near the basin outlet. Following the naming convention established by Smith et al. (2019), we refer to the soil pits near the Arroyo Seco drainage divide and basin outlet as “AS1” and “AS3,” respectively. Similarly, we refer to the soil pits near the Dunsmore Canyon drainage divide and basin outlet as “DC1” and “DC3,” respectively. The coordinates of AS1 and AS3 are, respectively,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hydrology, San Gabriel Mountains, USGS Science Data Catalog (SDC), soil moisture Data release for Piloting Urban Ecosystem Accounting for the United States In this study, we develop urban ecosystem accounts in the U.S., using the System of Environmental-Economic Accounting Experimental Ecosystem Accounting (SEEA EEA) framework. Most ecosystem accounts focus on regional and national scales, which are appropriate for many ecosystem services. However, ecosystems provide substantial services in cities, improving quality of life and contributing to resiliency for substantial parts of the population. Our models estimate energy savings for indoor cooling resulting from heat mitigated by trees and rainfall intercepted by trees. Both models cover major cities in the contiguous U.S. and report the results through physical supply and use tables for multiple accounting periods... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Environmental Health, Experimental Ecosystem Accounting, Forestry, Hydrology, Land Use Change, All tags... Rainfall interception, System of Environmental-Economic Accounting, USGS Science Data Catalog (SDC), United States, Urban ecosystem services, Urban heat mitigation, Urban trees, Water Resources, Fewer tags Peak-flow frequency analysis for seven selected U.S. Geological Survey streamgages in the Floyd and Little Sioux River Basins, Iowa, based on data through water year 2019 This data release presents peak-flow frequency analyses by the U.S. Geological Survey based on methods described by Eash and others (2013) for streamgages 06600100, Floyd River at Alton, Iowa; 06600300, West Branch Floyd River near Struble, Iowa; 06600500, Floyd River near James, Iowa; 06605000, Ocheyedan River near Spencer, Iowa; 06605850, Little Sioux River at Linn Grove, Iowa; 06607200, Maple River at Mapleton, Iowa; and 06607500, Little Sioux River near Turin, Iowa. These methods are used to provide estimates of peak-flow quantiles for 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs). Annual peak-flow data used in the peak-flow frequency analyses for these streamgages were... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Floyd River, Hydrology, Iowa, Little Sioux River, USGS Science Data Catalog (SDC), All tags... Water Resources, annual exceedance probability, hydrology, peak-flow frequency, streamflow, Fewer tags Nitrogen Loads, Yields, and Associated Field Data Collected During Baseflow Conditions and Site Attributes for Small Basins Draining to Long Island Sound During the spring and summer of 2022, the U.S. Geological Survey collected water-quality samples for nutrient analysis at 45 stations across the state of Connecticut and adjacent areas of New York and Rhode Island to better understand the groundwater discharge component of nitrogen loading to the Long Island Sound. The targeted stations were located in small drainage basins (less than 50 square kilometers) in the southern portion of the Long Island Sound watershed. Sites were selected randomly from groups based on expected drivers or controls on baseflow nitrogen loads. Factors used in the grouping included four metrics calculated for the upstream watershed: percent impervious cover, septic system density, percent... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Connecticut Coastal, Hydrology, Long Island Sound, New York, All tags... Rhode Island, USGS Science Data Catalog (SDC), Water Quality, Water Resources, groundwater and surface-water interaction, inlandWaters, nitrogen, nutrient content (water), stream discharge, Fewer tags 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 Attribution of benthic macroinvertebrate sampling data to NHDPlus V2 and NHDPlus HR catchments within the Chesapeake Bay Watershed This data release links benthic macroinvertebrate sites to both the NHDPlus Version 2 and NHDPlus High Resolution Region 02 networks, hereafter referred to as V2 and HR, using the hydrolink methodology. Linked benthic macroinvertebrate sites are those included in the Chesapeake Bay Basin-wide Index of Biotic Integrity (Chessie BIBI) developed by the Interstate Commission on the Potomac River Basin (ICPRB) and available from the Chesapeake Bay Program (https://datahub.chesapeakebay.net/LivingResources). The data set contains a unique sample identifier created by ICPRB, survey program, coordinates of sample, linked V2 COMID and HR Permanent Identifier, and information regarding uncertainty in the attribution. We strongly... Categories: Data; Tags: Aquatic Biology, District of Columbia (national district), Ecology, Hydrology, Maryland (state), All tags... New York (state), Pennsylvania (state), USGS Science Data Catalog (SDC), Virginia (state), West Virginia (state), aquatic biology, aquatic ecosystems, ecology, freshwater ecosystems, hydrology, macroinvertebrates, Fewer tags Various Lake Powell data used for predicting smallmouth bass entrainment rates and population growth based on thermal suitability below and downstream of Glen Canyon Dam These data were compiled to create models that estimate entrainment rates and population growth rates of smallmouth bass below Glen Canyon Dam. Objective(s) of our study were to predict smallmouth bass entrainment rates and population growth under different future scenarios of Lake Powell elevations and management. These data represent parameters needed for associated models and data needed to produce figures. These data were collected from publicly available online sources including published papers and federal government datasets. These data were assembled by researchers from U.S. Geological Survey, Utah State University, Colorado State University, U.S. Fish and Wildlife Service. These data can be used to run... Categories: Data; Tags: Aquatic Biology, Arizona, Climatology, Colorado River, Diamond Creek, All tags... Ecology, Geography, Glen Canyon, Glen Canyon Dam, Global Horizon Irradiance, Grand Canyon, Hydrology, Information Sciences, Lake Powell, Lees Ferry, Little Colorado River, Page, Page Airport, USGS Science Data Catalog (SDC), Utah, Williams, adaptive management, age class, air temperature, area, bathymetry, climatologyMeteorologyAtmosphere, data release, depth suitability, ecological processes, elevation, entrainment rates, environment, evaporation, field inventory and monitoring, inflow projections, inlandWaters, mean observed lengths, modeling, observed daily depths, outflow projections, population growth, precipitation (atmospheric), reproduction, reservoir water quality model CEQUAL-W2, smallmouth bass, solar, study areas, surface water (non-marine), surface water quality, temperature profiles, thermal suitability, water depths, water temperature, Fewer tags Specific conductance data collected during slug additions Slug additions are often the most accurate method for determining discharge when traditional current meter or acoustic measurements are unreliable because of high turbulence, rocky streambed, shallow or sheet flow, or the stream is physically inaccessible (e.g., under ice or canyon walls) or unsafe to wade (Zellweger et al., 1989, Kilpatrick and Cobb 1984, Ferranti 2015). The slug addition method for determining discharge requires an injection of a known amount of a single salt and high-frequency downstream measurement of solute concentration to capture the response curve (Kilpatrick and Cobb 1984). A new slug method was developed to determine stream discharge utilizing specific conductance and ionic molal conductivities... Categories: Data; Tags: Geochemistry, Hydrology, NA, USGS Science Data Catalog (SDC), Water Quality, All tags... conductivity, discharge, slug, specific conductance, Fewer tags Benthic-macroinvertebrate and habitat data in Chester, Delaware, and Philadelphia Counties, Pennsylvania, 1998-2021 The Stream Conditions of Chester County Biological Monitoring Network was established by the U.S. Geological Survey and the Chester County Water Resources Authority in 1969. Benthic-macroinvertebrate, habitat, and stream chemistry data were collected annually from 1998-2021 at 18 fixed location sites. Additionally, nine flexible location sites were selected and sampled annually from 1998-2021. Some of the flexible location sites were sampled more than once over the study period. All data were collected in the fall months (October-November) during baseflow conditions. The benthic-macroinvertebrate data collected was used to calculate six metrics and to establish an index of biotic integrity for each sample, while... Categories: Data; Tags: Aquatic Biology, Chester County, Delaware County, Hydrology, Pennsylvania, All tags... Philadelphia County, USGS Science Data Catalog (SDC), Water Quality, biota, habitat quality, macroinvertebrates, Fewer tags Data compilation for regional synthesis of chemical characteristics of groundwater used for domestic supply in north-east and north-central Pennsylvania Groundwater quality data for 472 domestic well-water samples were retrieved from the USGS National Water Information System (NWIS) database and combined with descriptive information on the sampled well locations. The NWIS data for a sample, collected on the selected date, were averaged into a single record (one per well), and rounded according to USGS protocols. For evaluation and reporting, the water-quality data were further combined with physical attributes and classified by lithology, topographic position, physiographic province, region, redox, and pH (as standalone matrix, one row per well). A second data matrix file incorporating minimum reporting levels for censored and low-reported values (set to 0.99X highest... Categories: Data; Tags: Bradford County, Clinton County, Geochemistry, Groundwater Quality, Hydrology, All tags... Hydrology, Lycoming County, Pennsylvania, Pike County, Potter County, Sullivan County, USGS Science Data Catalog (SDC), Water Quality, Water Resources, Wayne County, Fewer tags Estimated groundwater elevations and standard errors from the application of kriging to median groundwater elevation data from 2010 in the Mesilla/Conejos-Médanos Basin, United States and Mexico These data include 217 median groundwater elevations computed from compiled measurements made in the year 2010 within the transboundary Mesilla/Conejos-Médanos Basin, United States and Mexico, along with their corresponding interpolated groundwater elevations and standard errors from the application of kriging. Of the 217 median groundwater elevation locations, 109 were in the United States and 108 were in Mexico. Considered measurements were limited to wells thought to be completed in the basin-fill/Santa Fe Group aquifer based on well records. This dataset includes a comma-separated values file (Control_points.csv) that provides the median groundwater elevations that were kriged to yield rasters of estimated groundwater... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Chihuahua (state), Dona Ana county (county), Hydrology, New Mexico (state), Texas (state), All tags... USGS Science Data Catalog (SDC), Water Resources, contouring, geospatial analysis, hydrologic maps, hydrology, kriging, Fewer tags 1 2 3 4 5 ... 32 »