Hudson River Sub-Bottom Profile Points
Hudson River Estuary Shallow Water Surveys. Subbottom Profile Points. Subbottom data was collected November 5 to December 15, 2009, in the estuary north from Saugerties to Troy.
Data Collection and Processing: Subbottom Data - Fugro utilized the EdgeTech SB216 Chirp subbottom profiler system for seismic data collection. This system was operated using a swept frequency range of 2-16 KHz, maximizing subsurface resolution within the very shallow near-surface material (1- 5 m beneath seafloor).
Subbottom data was processed and interpreted using Discover and SMT Kingdom software. The intent of the processing was to provide the NYSDEC with SEG-Y files that were properly filtered and spatially oriented to allow for near-surface interpretation of sediments in the Hudson River. Processing steps for the subbottom data included swell filtering to compensate for sea conditions during survey operations, compiling correct shotpoint navigation, and adjusting data gains for optimal interpretation. Subbottom data was used to assist in selecting sediment sampling locations.
Points were created every 300th trace (approximately 100 meters).
Original contact information:
Contact Name: John Ladd
Contact Org: Hudson River National Estuarine Research Reserve, NYS DEC
Phone: 845-889-4745
Email: jxLadd@gw.dec.state.ny.us
Complete Metadata
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| description | Hudson River Estuary Shallow Water Surveys. Subbottom Profile Points. Subbottom data was collected November 5 to December 15, 2009, in the estuary north from Saugerties to Troy. Data Collection and Processing: Subbottom Data - Fugro utilized the EdgeTech SB216 Chirp subbottom profiler system for seismic data collection. This system was operated using a swept frequency range of 2-16 KHz, maximizing subsurface resolution within the very shallow near-surface material (1- 5 m beneath seafloor). Subbottom data was processed and interpreted using Discover and SMT Kingdom software. The intent of the processing was to provide the NYSDEC with SEG-Y files that were properly filtered and spatially oriented to allow for near-surface interpretation of sediments in the Hudson River. Processing steps for the subbottom data included swell filtering to compensate for sea conditions during survey operations, compiling correct shotpoint navigation, and adjusting data gains for optimal interpretation. Subbottom data was used to assist in selecting sediment sampling locations. Points were created every 300th trace (approximately 100 meters). Original contact information: Contact Name: John Ladd Contact Org: Hudson River National Estuarine Research Reserve, NYS DEC Phone: 845-889-4745 Email: jxLadd@gw.dec.state.ny.us |
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| identifier | gov.noaa.nmfs.inport:47918 |
| issued | 2012-01-01T00:00:00.000+00:00 |
| keyword |
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"EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > BENTHIC",
"EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > COASTAL",
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"Benthic"
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| spatial | -73.685289,42.06449,-73.933423,42.752039 |
| title | Hudson River Sub-Bottom Profile Points |
