745 datasets found
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Federal
Ground-truthing images, 2014-2015, Gateway National Recreation Area
Department of the Interior —
Collection of benthic infauna and epifauna used a 0.04 m2 Ted Young Modified Van Veen grab. Three replicate benthic samples were collected at 23 sites to total 69... -
Federal
Predictions of floodplain and streambank geomorphic change and flux, streambed characteristics, and catchment inputs and exports of sediment and nutrients for stream reaches in the Chesapeake Bay and Delaware River watersheds
Department of the Interior —
Predictions from statistical modeling of floodplains, streambanks, and streambeds in the Chesapeake Bay and Delaware River watersheds of the U.S. Mid-Atlantic. Random... -
Federal
Arroyo de los Pinos - Left Sampler One Minute Acoustic Impact Pulse 1024x Time Series Data
Department of the Interior —
Channel 10 (1024x) amplification from the left impact sensor -
Federal
Texture-Based Estimated Equivalent Horizontal Hydraulic Conductivity of the Glacial Deposits
Department of the Interior —
The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and... -
Federal
Excel Spreadsheet of the Descriptive Logs of Cores Collected in the Nauset Marsh area in August, 2006
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
Risk-Based Prioritization of Organic Chemicals and Locations of Ecological Concern in Sediment From Great Lakes Tributaries
U.S. Environmental Protection Agency —
Data from "Baldwin AK, Corsi SR, Stefaniak OM, Loken LC, Villeneuve DL, Ankley GT, Blackwell BR, Lenaker PL, Nott MA, Mills MA. Risk-Based Prioritization of Organic... -
Federal
Walnut Gulch Experimental Watershed, Arizona (Sediment)
Department of Agriculture —
The Walnut Gulch Experimental Watershed (WGEW) sediment collection program, established in 1953, provides event-based data for semiarid rangeland erosion, sediment... -
Federal
Cat Island Terrestrial Core Optically Stimulated Luminescence (OSL) Data from field activity 10BIM03
Department of the Interior —
Scientists from the U.S. Geological Survey (USGS), St. Petersburg Coastal and Marine Science Center (SPCMSC), in collaboration with the U.S. Army Corps of Engineers... -
Federal
Multisource surface-water-quality data for the Delaware River Basin
Department of the Interior —
Jointly managed by multiple states and the federal government, there are many ongoing efforts to characterize and understand water quality in the Delaware River Basin... -
Federal
Massachusetts Water Resources Administration Sediment Data for Boston Harbor and Massachusetts Bay acquired in 1993 - 1995 (MWRA shapefile)
Department of the Interior —
The samples in this dataset were collected and analyzed under the direction of the Massachusetts Water Resources Administration. The data were generated to study the... -
Federal
Sub-bottom Seismic Survey Processed images, 2015, Cape Cod National Seashore
Department of the Interior —
This data set contains the images and ancillary files from sub-bottom seismic surveys completed within and adjacent to the boundaries of Cape Cod National Seashore... -
Federal
Water-quality and streamflow datasets used in Seasonal Kendall trend tests for 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
Sediment Grain-Size Data from Sediment Samples Collected in March and September 2012 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Numbers 12BIM01 and 12LGC02)
Department of the Interior —
As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center... -
Federal
Grain-Size and Data Analysis Results from Sediment Samples Collected at Crocker Reef, Florida, Between 2017 and 2019
Department of the Interior —
Sediment samples were collected from undisturbed sections of the seafloor around Crocker Reef, Florida. Crocker Reef is a barrier reef located in the northern portion... -
Federal
Best management practice implementation in the Chesapeake Bay watershed from 1985 to 2014
Department of the Interior —
This metadata record documents 3 sets of comma delimited tables representing the amount of reported best management practice (BMP) implementation within the... -
Federal
Sediment Data from the Kennebec/Androscoggin River System (LARSEN02 shapefile)
Department of the Interior —
The data in this layer are from an unpublished report produced by the Bigelow Laboratory. The source project was conducted primarily to examine contaminant... -
Federal
Sediment Grain-Size Data from Sediment Samples Collected in July 2013 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 13BIM05)
Department of the Interior —
As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center... -
Federal
Glacier Runoff Biophysical Data in Gulf of Alaska Fjords, 2004-2011
Department of the Interior —
In order to understand marine ecosystem responses to a range of habitat variability in coastal zones modified by glacial freshwater outflows, biophysical data were... -
Federal
Aztec Reservoir #1 Digested Sediment Chemistry
Department of the Interior —
The data presented here are from acid digested sediments from 10 cm composites at different depths in trenches of the Aztec Drinking Water Reservoir #1. -
Federal
Eel grass coverage, 2015, Cape Cod National Seashore
Department of the Interior —
This dataset shows the eelgrass data extent identified from the acoustic surveys completed within and adjacent to the boundaries of Cape Cod National Seashore (CaCo)...
745 datasets found