Found 127 datasets matching filters.
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In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once established, variable leaf...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-03-03 -
In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once established, variable leaf...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
A reconnaissance survey of that part of the Scotian Shelf extending from Halifax to Digby Nook was conducted during October, 1961, in order to determine the nature, distribution, and source areas...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
These data were collected by the National Ocean Service (NOS, formerly the U.S. Coast and Geodetic Survey) for the purpose of charting the coastal waters and navigable waterways of the United...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
In 1999, the USGS, in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline change along the northern coast of South Carolina,...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS), in cooperation with the Connecticut Department of Environmental Protection and National Oceanic and Atmospheric Administration (NOAA), is producing detailed...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
The data in this layer are from a number of published and unpublished sets produced by the Bigelow Laboratory. The source projects were conducted primarily to examine contaminant (e.g. trace...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal sea floor. Bathymetric and...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The reconnaissance maps upon which this data set is based show the areal distribution of the major bottom sediment types covering the sea floor off Massachusetts between Cape Ann and Cape Cod. ...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
As part of a larger investigation to understand groundwater-surface water interactions in Greenwich Bay, Rhode Island, a geophysical survey was conducted from a small research boat on 14-15 May...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in 2011 using interferometric...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The detailed nature of relict sediments resulting from and related to the Holocene transgression is revealed through this sedimentological study of a densely sampled corridor across the southern...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The data in this layer were generated as part of an environmental impact statement evaluating the construction of a proposed 250,000 barrel per day oil refinery and marine terminal. Permits for...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA CZM), is producing...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
In summer 2014, the U.S. Geological Survey conducted a 21-day geophysical program in deep water along the Atlantic continental margin by using R/V Marcus G. Langseth (Field Activity Number...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
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: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The sediment data contained in this set were produced as part of the site description and monitoring phases of an aquaculture demonstration project. The site is located off the coast of New...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
During 1980, the U.S. Geological Survey (USGS) conducted a seismic-reflection survey utilizing Uniboom seismics in southern Rhode Island Sound aboard the Research Vessel Asterias. This cruise...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This is a part of the National Geophysical Data Center (NGDC) Seafloor Surficial Sediment (Deck 41) Data File. Deck 41 is an original data file created by the Marine Geology and Geophysics Group...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The data in this layer are from an unpublished report produced by the Bigelow Laboratory. The source project was conducted primarily to examine contaminant distributions, but also produced...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03
