Found 102 datasets matching "dredged".
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LIS Dredged Material Disposal Sites is a polygon feature-based layer that depicts the official locations of the four active (currently used) sites for depositing sediments approved for open water...
Search relevance: 131.22 | Views last month: 0 -
NOAA's ENC Direct to GIS web portal provides comprehensive access to display, query, and download all available NOAA ENC data in a variety of GIS/CAD formats for non-navigational purposes using...
Search relevance: 94.28 | Views last month: 2 -
Study compared densities of nekton, benthos, and seagrass among newly deposited dredged sediments and nearby and distant natural seagrass sites over a three year period. Recovery of seagrass and...
Search relevance: 45.68 | Views last month: 0 -
The effects of hydraulic shellfish harvesting on the ecology of biological communities and chemistry of benthic sediments were investigated through a series of experiments conducted over a 5-year...
Search relevance: 37.41 | Views last month: 0 -
This dataset contains the sediment, vegetation, and elevation data concerning the condition of the Deal Island Wildlife Management Area before placement of dredged sediment. The data are in three...
Search relevance: 36.06 | Views last month: 0 -
Submarine canyons cut into the edge of the continental shelf and the continental slope along much of the U.S. Atlantic coast. Three canyons along the southern edge of Georges Bank (Lydonia,...
Search relevance: 35.38 | Views last month: 1 -
These data show the location of available and discontinued ocean disposal sites within U.S. waters. Contemporary ocean disposal sites generally accept clean dredged material (sediment) collected...
Search relevance: 35.08 | Views last month: 0 -
Ferromanganese crusts, nodules, and hydrothermally altered rocks were collected via dredge within the Amerasia Basin in the Arctic Ocean during USCGC icebreaker Healy cruises HLY0805, HLY0905, and...
Search relevance: 34.58 | Views last month: 0 -
The US Army Corps of Engineers (USACE) is evaluating the placement of dredged material in the nearshore areas of Lake Michigan as a means to replenish sand at selected beaches. In order to...
Search relevance: 34.27 | Views last month: 0 -
Single-beam bathymetry data along with DGPS navigation data was collected as part of the U.S. Geological Survey cruise K-1-95-HW. The cruise was conducted in Oahu, Hawaii from June 14 to June 18,...
Search relevance: 34.18 | Views last month: 0 -
Coastal habitats are utilized and altered for a suite of human uses. Habitat modification is here defined as the alteration or removal of geomorphic structure as a result of human use. This...
Search relevance: 34.12 | Views last month: 0 -
The data in this layer are from a study that evaluated and documented the historic and projected future dredging and dredged material disposal needs of the coastal rivers and harbors of the states...
Search relevance: 34.00 | Views last month: 1 -
Coastal habitats are utilized and altered for a suite of human uses. Habitat modification is here defined as the alteration or removal of geomorphic structure as a result of human use. This...
Search relevance: 33.07 | Views last month: 1 -
Densities of nekton were measured in three created salt marshes to examine habitat development rate. All three marshes were created from dredged material from the Gulf Intracoastal Waterway....
Search relevance: 32.93 | Views last month: 1 -
The US Army Corps of Engineers (USACE) is evaluating the placement of dredged material in the nearshore areas of Lake Michigan as a means to replenish sand at selected beaches. In order to...
Search relevance: 32.38 | Views last month: 0 -
This portion of the USGS data release presents gridded bathymetry data derived from repeated bathymetric surveys conducted by the U.S. Army Corps of Engineers Portland District on the Pacific...
Search relevance: 32.06 | Views last month: 0 -
A three-dimensional hydrodynamic and sediment transport model application of the mouth of the Columbia River (MCR) was constructed using the Delft3D4 (D3D) modeling suite (Deltares, 2021) to...
Search relevance: 31.56 | Views last month: 0 -
The University of California San Diego (UCSD) Scripps Institution of Oceanography (SIO) is a partner in the Index to Marine and Lacustrine Geological Samples (IMLGS) database, contributing...
Search relevance: 30.62 | Views last month: 0 -
The US Army Corps of Engineers (USACE) is evaluating the placement of dredged material in the nearshore areas of Lake Michigan as a means to replenish sand at selected beaches. In order to...
Search relevance: 30.30 | Views last month: 1 -
Surveys of the bathymetry and backscatter intensity of the sea floor of the Historic Area Remediation Site (HARS), offshore of New York and New Jersey, were carried out in 1996, 1998, and 2000...
Search relevance: 30.17 | Views last month: 0
