8,414 Works

Stormwater-quality data for lined permeable pavement systems in Madison, WI, from September 2016 through July 2018

Rebecca Carvin & William Selbig
This dataset describes water-quality data measured from the parking lot influent and underdrain and overflow effluent from the porous asphalt, pervious concrete, and permeable interlocking concrete paver test plots in Madison, Wisconsin, USA. Data include precipitation statistics; influent, overflow, and underdrain volumes; and concentrations and loads of total and dissolved forms of solids, nutrients, chloride, metals, and bacteria. Samples were collected in September 2016 through July 2018. These data are interpreted in the Journal of...

Crosswalk Table Between NHDPlus V2.1 and its Accompanying Watershed Boundary Dataset Snapshot of 12-Digit Hydrologic Units

Richard B Moore, Craig M Johnston & Laura Hayes
A crosswalk table between NHDPlus version 2.1 flowlines (using the unique field COMID) and the Watershed Boundary Dataset (WBD) 12-digit-hydrologic units (HU-12) is provided for the 48 contiguous United States. The crosswalk table provides a WBD HU-12 assignment for every networked flowline in the NHDPlus. In this way, the network developed for navigation and modeling, NHDPlus, is aligned with accounting units of the WBD HU-12s to the extent possible given the assumptions that were made...

Continuous monitoring and discrete water-quality data from groundwater wells in the Edwards aquifer, Texas, 201415

Stephen P. Opsahl, Richard N Slattery & MaryLynn Musgrove
In cooperation with the San Antonio Water System, continuous and discrete water-quality data were collected from groundwater wells completed in the Edwards aquifer, Texas, 2014-2015. Discrete measurements of nitrate were made by using a nitrate sensor. Precipitation data from two sites in the National Oceanic and Atmospheric Administration Global Historical Climatology Network are included in the dataset. The continuous monitoring data were collected using water quality sensors and include hourly measurements of nitrate, specific conductance,...

Principal facts of regional gravity data in northeast Iowa

James J Reitman & Benjamin J Drenth
Gravity data were collected from 2016 through 2018 to assist in mapping subsurface geology in northeastern Iowa. This data release provides principal facts for 1080 new gravity stations that were acquired to supplement existing public gravity data coverage. References cited: Blakely, R.J., 1995, Potential Theory in Gravity and Magnetic Applications, Cambridge University Press, 441 p. International Association of Geodesy, 1971, Geodetic reference system 1967: International Association of Geodesy Special Publication No. 3, 116 p. Morelli,...

Florida Green Watersnake (Nerodia floridana) rFGWAx_CONUS_2001v1 Range Map

Adam Radel & Jeff Lonneker
This dataset represents a species known range extent for Nerodia floridana (Florida Green Watersnake). These range maps are created by attributing sub-watershed polygons with information of a species presence, origin, seasonal and reproductive use.

Datasets for analyzing stream gage discharge and Landsat imagery integration in the greater Central Valley, California from 1984 to 2015

Jessica J Walker, Christopher E Soulard & Roy E Petrakis
This data release comprises the data files and code necessary to perform all analyses presented in the associated publication. The *.csv data files are aggregations of water extent on the basis of the European Commission's Joint Research Centre (JRC) Monthly Water History database (v1.0) and the Dynamic Surface Water Extent (DSWE) algorithm. The shapefile dataset contains the study area 8-digit hydrologic unit code (HUC) regions used as the basis for analysis. Html files provide an...

Groundwater-Surface Water Interactions in Ellerbe Creek in Durham, North Carolina, 2016-2018

Dominick Antolino
A hydrologic study involving the investigation of groundwater-surface water interactions along Ellerbe Creek, a major tributary to upper Falls Lake, was conducted in order to determine if groundwater is a likely source of nitrate input to the stream. Groundwater-surface water interactions were characterized by synoptic streamflow measurements, groundwater-level monitoring, hydrograph-separation methods and a continuous streambed temperature survey to aid in the collection and interpretation of water-quality samples along the stream.

Capture histories and tag retention of acoustic-tagged green (Chelonia mydas) and hawksbill (Eretmochelys imbricata) sea turtles, Buck Island Reef National Monument, U.S. Virgin Islands, 2012-2017

Kristen M Hart, Thomas H Selby & Smith, Brian (Contractor) J
This dataset contains the capture histories for juvenile green (Chelonia mydas) and hawksbill (Eretmochelys imbricata) sea turtles tagged with an acoustic telemetry tag between 2012 and 2017. It contains information on how many days had passed since the tag was attached and whether or not the tag was still attached upon recapture. This dataset thus allows estimation of acoustic tag retention rates for these two species of sea turtle in our study site at Buck...

Bullseye snakehead environmental DNA data, and associated attributes, collected from southeast Florida, from 2015-2018

Gaia Meigs-Friend, Pam Schofield, Margaret E Hunter & Mary E. Brown
Bullseye snakehead, Channa marulius, was first detected in 2000 in the southern Florida town of Tamarac and has been expanding its geographic range. Environmental DNA (eDNA) analysis is a newly-developed technique used to non-invasively detect cryptic or low-density species, or those that are logistically difficult to study. Genetic material shed into the environment through tissue and body fluids is concentrated from water samples and analyzed for the presence of target species eDNA. To help delineate...

National Archive of Marine Seismic Surveys (NAMSS: A USGS data website of marine seismic reflection data within the U.S. Exclusive Economic Zone (EEZ)

Triezenberg, Peter J.; Hart, Patrick E; Childs, Jonathan R.
The National Archive of Marine Seismic Surveys (NAMSS) is a marine seismic reflection profile data archive consisting of data acquired by or contributed to U.S. Department of the Interior agencies. The archived data were collected from 1975 to the present. They include marine seismic reflection profile data acquired originally for purposes of oil and gas exploration within the U.S. Exclusive Economic Zone (EEZ), a national scientific resource of inestimable value. The USGS is committed to...

Data Release: The effects of wildfire on snow water resources estimated from canopy disturbance patterns and meteorological conditions

David Moeser & Zachary M Shephard
This data release contains model input and output data associated with a published report (The effects of wildfire on snow water resources estimated from canopy disturbance patterns and meteorological conditions [Moeser, Broxton and Harpold, 2019]) where specific descriptions of the data can be found. The input data are derived from pre- and post-fire aerial LiDAR acquired in June 2010 and May 2012 respectively, for a small basin in the Jemez Mountains, northern, New Mexico. Data...

Fletcher Kangaroo Mouse (Microdipodops megacephalus nasutus) mDKMOn_CONUS_2001v1 Range Map

Matthew Rubino & Steve Williams
This dataset represents a species known range extent for Microdipodops megacephalus nasutus (Fletcher Kangaroo Mouse). These range maps are created by attributing sub-watershed polygons with information of a species presence, origin, seasonal and reproductive use.

Cumberland Plateau Salamander (Plethodon kentucki) aCPSAx_CONUS_2001v1 Habitat Map

Julie Prior-Magee & Alexa McKerrow
This dataset represents a species habitat distribution model for Cumberland Plateau Salamander. These habitat maps are created by applying a deductive habitat model to remotely-sensed data layers within a species' range.

California Treefrog (Pseudacris cadaverina) aCATRx_CONUS_2001v1 Range Map

Ken Boykin & Jeff Lonneker
This dataset represents a species known range extent for Pseudacris cadaverina (California Treefrog). These range maps are created by attributing sub-watershed polygons with information of a species presence, origin, seasonal and reproductive use.

Plant Phenology Site Phenometrics + Accumulated Growing Degree Day Calculations for the continental United States (2009-2016)

Theresa Crimmins
This datafile consists of a subset of plant phenology observations drawn from the USA National Phenology Networks National Phenology Database (www.usanpn.org). The data were collected by citizen and professional observers and archived and distributed by the USA National Phenology Network. Protocols are available in Denny et al. (2014). This datafile consists of plant phenology observations that were used in an effort to construct predictive models of phenophase transitions using accumulated growing degree days based on...

Red-bellied Snake (Storeria occipitomaculata) rRBSNx_CONUS_2001v1 Habitat Map

Julie Prior-Magee & Alexa McKerrow
This dataset represents a species habitat distribution model for Red-bellied Snake. These habitat maps are created by applying a deductive habitat model to remotely-sensed data layers within a species' range.

Missouri River invasive plant species sample locations and cover values 2002-2012

M.A. Struckhoff
The Land Capability Potential Index (LCPI) is a hydrogeomorphic model of potential flow-return interval and soil drainage classes developed as a decision support tool for the restoration and management of floodplain habitat on the Lower Missouri River. Because the LCPI captures abiotic variables known to affect the distribution of plant species, it may be useful in predicting where invasive species are likely to occur and become abundant and as a framework for applying management actions...

Velocity, depth, and selected water quality profiles of the Lower Penobscot River Estuary in Maine, 2017

Robert W. Dudley & Nicholas W. Stasulis
This data release includes transect data comprising velocity and depths collected by use of an acoustic-doppler current profiler (ADCP), and vertical profile data comprising conductivity, temperature, and depth by use of a conductivity, temperature, and depth (CTD) instrument, as well as tide elevation data at specified locations in the lower Penobscot River and Penobscot Bay (the Penobscot River Estuary).

Airborne Geophysical Survey Inventory

Michaela R Johnson
his data release is a compilation of the locations of airborne geophysical surveys in the United States. The inventory documents public airborne geophysical surveys primarily flown by or contracted by the USGS from 1943 to present. In addition, surveys from the State of Alaska, Department of Natural Resources, Division of Geological and Geophysical Surveys (DGGS): Airborne GeophysWeb, the Bureau of Land Management, the Department of Energy and other state agencies have also been included. The...

Comal Blind Salamander (Eurycea tridentifera) aCBSAx_CONUS_2001v1 Range Map

Ken Boykin & Steve Williams
This dataset represents a species known range extent for Eurycea tridentifera (Comal Blind Salamander). These range maps are created by attributing sub-watershed polygons with information of a species presence, origin, seasonal and reproductive use.

Water-Quality, Bed-Sediment, and Biological Data (October 2016 through September 2017) and Statistical Summaries of Data for Streams in the Clark Fork Basin, Montana

Tom E. Cleasby, Michelle I. Hornberger & Matthew A. Turner
Water, bed sediment, and biota were sampled in 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.

Sonoran Whipsnake (Coluber bilineatus) rSOWHx_CONUS_2001v1 Range Map

Adam Radel & Jeff Lonneker
This dataset represents a species known range extent for Coluber bilineatus (Sonoran Whipsnake). These range maps are created by attributing sub-watershed polygons with information of a species presence, origin, seasonal and reproductive use.

Laboratory experiment dataturbidity response to increasing silt and clay concentration

Nick Voichick
These data were compiled during a laboratory experiment showing the turbidity response to increasing silt and clay concentration. The sediment used for the laboratory experiment was collected in the Grand Canyon study area, from the bank of the Little Colorado River, approximately 1 kilometer upstream from its confluence with the Colorado River. The sediment was passed through a 63 m sieve to isolate the silt-and-clay-size fraction. The silt and clay was completely dried in an...

Shear-wave velocity in the Seattle basin to 2 km depth characterized with the krSPAC microtremor array method: insights for urban basin-scale imaging - Data Release

William J Stephenson
The dataset for this investigation consists of microtremor array data collected at 11 sites in the Seattle basin, Washington State. Ten of the arrays consisted of seven Nanometrics Trillium Compact broadband sensors deployed in asymmetric nested triangles (sites ST01, BA02, SP04, LF05, UW06, SN07, RD08, EL09, CH10, and KG11) that recorded for up to six hours. The eleventh array, at site NW03, was supplemented with a smaller triangular array that recorded for about 1 hour...

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