Bathymetry of the Hudson Shelf Valley (12-m resolution Esri binary grid and 32-bit GeoTIFF, Mercator, WGS 84)

Metadata Updated: February 22, 2019

The Hudson Shelf Valley is the submerged seaward extension of the ancestral Hudson River drainage system and is the largest physiographic feature on the Middle Atlantic continental shelf. The valley begins offshore of New York and New Jersey at about 30-meter (m) water depth, runs southerly and then southeasterly across the Continental Shelf, and terminates on the outer shelf at about 85-m water depth landward of the head of the Hudson Canyon. Portions of the 150-kilometer-long valley were surveyed in 1996, 1998, and 2000 using a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The purpose of the multibeam echosounder surveys was to map the bathymetry and backscatter intensity of the sea floor of the valley, providing a framework for geologic, oceanographic, and geochemical studies. The data from the three surveys are combined to produce grids of bathymetry and backscatter intensity at 12-m resolution that cover the entire valley and the head of the Hudson Canyon. The mapping was done by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers with support from the Canadian Hydrographic Service and the University of New Brunswick.

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License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Date July 20, 2018
Metadata Created Date December 1, 2018
Metadata Updated Date February 22, 2019
Reference Date(s) January 1, 2017 (publication)
Frequency Of Update notPlanned
Frequency Of Update notPlanned

Metadata Source

Harvested from DOI CKAN Harvest Source

Graphic Preview

Browse graphic of the bathymetry of the sea floor.

Additional Metadata

Resource Type Dataset
Metadata Date July 20, 2018
Metadata Created Date December 1, 2018
Metadata Updated Date February 22, 2019
Reference Date(s) January 1, 2017 (publication)
Responsible Party U.S. Geological Survey (Point of Contact)
Contact Email
Access Constraints Use Constraints: These data are not to be used for navigation purposes., Access Constraints: None
Bbox East Long -71.999938
Bbox North Lat 40.433325
Bbox South Lat 39.333333
Bbox West Long -73.901667
Coupled Resource
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Frequency Of Update notPlanned
Graphic Preview Description Browse graphic of the bathymetry of the sea floor.
Graphic Preview File https://www.sciencebase.gov/catalog/file/get/589a201ee4b0efcedb71a59f?name=hsv_bath12m_browsegraphic.jpg
Graphic Preview Type JPEG
Guid
Harvest Object Id 05735520-0ce2-4325-86e6-94a2f8751b5b
Harvest Source Id 34ce571b-cb98-4e0b-979f-30f9ecc452c5
Harvest Source Title DOI CKAN Harvest Source
Licence Neither the U.S. Government, the Department of the Interior, nor the U.S. Geological Survey, nor the U.S. Army Corps of Engineers, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Metadata Language
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester true
Temporal Extent Begin 1996-11-23
Temporal Extent End 2000-05-04

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