Tracklines of a multibeam survey of the sea floor of the Hudson Canyon region carried out in 2002 (polyline shapefile, geographic, WGS 84)

Online link https://cmgds.marine.usgs.gov/catalog/whcmsc/SB_data_release/DR_F77H1GSF/hc_rb_nav.shp_meta.faq.html
Description The Hudson Canyon begins on the outer continental shelf off the east coast of the United States at about 100-meters (m) water depth and extends offshore southeastward across the continental slope and rise. A multibeam survey was carried out in 2002 to map the bathymetry and backscatter intensity of the sea floor of the Hudson Canyon and adjacent slope and rise. The survey covered an area approximately 205 kilometers (km) in the offshore direction, extending from about 500 m to about 4,000 m water depth, and about 110 km in the alongshore direction, centered on the Hudson Canyon. The sea floor was mapped using a SeaBeam Instruments 2112 multibeam echosounder aboard the National Oceanic and Atmospheric Administration (NOAA) ship Ronald H. Brown. Maps derived from the multibeam observations show sea-floor bathymetry and backscatter intensity (a measure of sea floor texture and roughness), geomorphic provinces, and sea-floor environments (Butman and others, 2006). The sea floor was mapped by the U.S. Geological Survey in cooperation with Rutgers University and with support from NOAA. [More]
Originators U.S. Geological Survey; Butman, Bradford; Danforth, William W.; Twichell, David C.; and Rona, Peter A.
Field activities 2002-050-FA

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Four sediment settling tubes, imaged at the end of the sedimentation test for UBGH2-6C-6P.  From left to right, the settling fluid is: freshened pore water (DWF), dissolved salt water (DSW), 2-Molar brine and sodium hexametaphosphate ((NaPO3)6).  The accumulation and depositional interfaces tracked in this data release are defined as follows: accumulation interface (blue arrows at the far left and right) separates the settled particles from the overlying particles that have yet to settle; the depositional interface (red arrows) separates the cloudy, particle-filled fluid from the overlying clear fluid out of which the particles have already settled.
Four sediment settling tubes, imaged at the end of the sedimentation test for UBGH2-6C-6P. From left to right, the settling fluid is: freshened pore water (DWF), dissolved salt water (DSW), 2-Molar brine and sodium hexametaphosphate ((NaPO3)6). The accumulation and depositional interfaces tracked in this data release are defined as follows: accumulation interface (blue arrows at the far left and right) separates the settled particles from the overlying particles that have yet to settle; the depositional interface (red arrows) separates the cloudy, particle-filled fluid from the overlying clear fluid out of which the particles have already settled.
Browse graphic of the tracklines of a multibeam survey of Hudson Canyon.
Browse graphic of the tracklines of a multibeam survey of Hudson Canyon.