745 datasets found
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Federal
Rate of shoreline change of marsh units in Hudson Valley and New York City salt marsh complex, New York
Department of the Interior —
This data release contains coastal wetland synthesis products for the geographic region of Hudson Valley and New York City, New York. Metrics for resiliency,... -
Federal
Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012(output)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Digital elevation model of South Fork Toutle River, Mount St. Helens, based on June–July 1980 airborne photogrammetry
Department of the Interior —
The lateral blast, debris avalanche, and lahars of the May 18th, 1980, eruption of Mount St. Helens, Washington, dramatically altered the surrounding landscape. The... -
Federal
Revised risk-based indices and proposed new composite watershed health measure and application thereof to the Upper Mississippi River Watershed, Ohio River Basin, and Maumee River Basin
U.S. Environmental Protection Agency —
The dataset includes names and geographic coordinates of gauge stations where flow and water quality (sediment, nitrogen, phosphorus) are measured in the Upper... -
Federal
The Southwest Watershed Research Center Data Access Project (DAP)
Department of Agriculture —
The USDA-ARS Southwest Watershed Research Center (SWRC) operates the Walnut Gulch Experimental Watershed (WGEW) in southeastern Arizona as an outdoor laboratory for... -
Federal
Datasets supporting bimetallic catalyst system for degradading PCBs in sediment
U.S. Environmental Protection Agency —
Analytical and environmental measurement data generated to support the identification of a bimetallic catalyst system for the degradation of PCBs in sediment. This... -
Federal
Streambed sediment data for Missouri and Niobrara Rivers, Nebraska and South Dakota, 2015--List and brief description of samples collected for exploratory proppant testing
Department of the Interior —
Deltaic sand deposits at the head of Lewis and Clark Lake, Nebraska-South Dakota were investigated for suitability for use as a proppant feedstock resource in... -
Federal
Threshold friction velocities for aeolian transport of river-sourced sand, with related moisture content, grain size, topographic, and wind data from Lees Ferry, Arizona
Department of the Interior —
These data were compiled to investigate the control of drying on the aeolian transport of river-sourced sand. Objectives of our study were to to examine aeolian... -
Federal
Sahle_SDMP_MICROPLASTICSEPA_kIM
U.S. Environmental Protection Agency —
Assessments of various sample prep methods for microplastic analysi. This dataset is associated with the following publication: Lee, H., S. Kim, A. Sin, G. Kim, S.... -
State
Surface Water - Toxicity Results
State of California —
Surface water toxicity data from the California Environmental Data Exchange Network (CEDEN). CEDEN is the California State Water... -
Federal
Portland Harbor Benthic Invertebrate Growth and Survival 2004 - 2007 (NCEI Accession 0301784)
National Oceanic and Atmospheric Administration, Department of Commerce —
The lower Willamette River, between Willamette Falls and the confluence with the Columbia River, in Portland, Oregon has a long history of industrialization and... -
Federal
Data supporting the study of increasing floodplain connectivity through urban stream restoration increases nutrient and sediment retention, 2012-2013
Department of the Interior —
This data set presents ecosystem geomorphic and soil attributes, sediment and nutrient loading rates, and rates of nutrient biogeochemistry processes, including... -
Federal
2003 Sediment Grab Data for Catlett and Goodwin Islands on the York River, Chesapeake Bay, Virginia (Ches_2003sedgrabs)
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set represents the sediment grain size gathered from grab sampling in 2003 (24 stations).In Fall/Winter 2002, researchers from the Virginia Institute of... -
State
Bedrock geologic map of the Big Hurrah-Council-Bluff area, Southern Seward Peninsula, Alaska
State of Alaska —
Bedrock geologic map of the Big Hurrah-Council-Bluff area, Southern Seward Peninsula, Alaska, Report of Investigation 2024-7, presents bedrock geologic mapping from... -
Federal
Dissolved Oxygen, temperature, particle-size distribution, and groundwater flux in the nearshore of Lake Ozette, WA, October 2018 to May 2019
Department of the Interior —
Particle-size data collected of the upper 25 cm of substrate was collected at 12 sites in October 2018 and May 2019 at Olsen's Beach in Lake Ozette, Clallam County,... -
Federal
JPEG Images of Cores Collected in August 2006 in the Nauset Marsh Area of Cape Cod, Massachusetts
Department of the Interior —
In order to test hypotheses about groundwater flow under and into estuaries and the Atlantic Ocean, geophysical surveys, geophysical probing, submarine groundwater... -
Federal
Sedimentary Data Collected in September 2016 From Old Tampa Bay, Florida (U.S. Geological Survey Field Activity Number 2016–350–FA)
Department of the Interior —
The toxic dinoflagellate Pyrodinium bahamense (P. bahamense) produces recurring, persistent summer algal blooms in Old Tampa Bay, Florida, which degrade water quality... -
Federal
Textural Data from the Continental Margin Program (HATHAWAY71 shapefile)
Department of the Interior —
This data set contains sediment grain size and textural information from the Continental Margin Program. The program was a joint collaboration between the U.S.... -
State
2022 Arctic Strategic Transportation and Resources project (ASTAR) geotechnical data and sample descriptions: Utqiagvik region (Barrow triangle), North Slope, Alaska
State of Alaska —
2022 Arctic Strategic Transportation and Resources project (ASTAR) geotechnical data and sample descriptions: Utqiagvik region (Barrow triangle), North Slope, Alaska,... -
Federal
Sediment chemistry and sediment toxicity in wadable streams across the Midwestern United States, 2013.
Department of the Interior —
These data present chemistry and toxicity results from freshwater stream sediments collected from 99 wadable stream sites across eleven states in the Midwestern U.S....
745 datasets found