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USGS CMG 07007 Metadata

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ID 07007
Also Known As A-1-07-LA
Abstract United States Geological Survey, Woods Hole, Massachusetts. Chief Scientist: Dave Twichell. Data (Navigation-DGPS, Navigation-Hypack, Seismic reflection, Sidescan-Klein 3000, Swath bathymetry) of field activity 07007 (A-1-07-LA) in Chandeleur Islands, Louisiana, northern Gulf of Mexico, United States, North America, North Atlantic from 06/10/2007 to 06/22/2007
Organization United States Geological Survey, Woods Hole, Massachusetts
Project/Theme Northern Gulf Coast Ecosystem Change
Chief Scientist Dave Twichell
Platform Acadiana
Area of Operation Chandeleur Islands, Louisiana, northern Gulf of Mexico, United States, North America, North Atlantic, Louisiana
Bounding Coordinates
-89.25000     -88.75000
Ports LEAVE Venice, LA
Dates 06/10/2007 (JD 161) to 06/22/2007 (JD 173)
Analog Materials No analog holdings.
Information Specialist
Dave Twichell
Dave Twichell Chief Scientist
Chuck Worley
Emile Bergeron
Bill Danforth
Wayne Baldwin
Equipment Used
Seismic reflection
Sidescan-Klein 3000
Swath bathymetry
Seafloor mapping along the offshore side of the southern
part of the Chandeleur Islands, Gulf of Mexico
This two-week cruise aboard the R/V ACADIANA collected
bathymetric, sidescan sonar and chirp seismic data along the
offshore side of the southern half of the Chandeleur Island chain of
eastern Louisiana.  The survey was coordinated with additional
surveys conducted by the R/V GILBERT and a University of New Orleans
vessel that collected bathymetric and seismic data near the islands
and along the back side of the island chain.  The purposes for
collecting these data were (1) to provide a detailed post-Katrina
bathymetry, (2)to study the processes that have shaped the sea floor
in an effort to better understand the effects of hurricane Katrina,
and (3) to understand the influence of the underlying stratigraphy
on the sea floor geology. The offshore geophysical dataset was
collected on a grid of lines spaced 100 m apart in the shore
parallel direction and 1000 m apart in the shore normal direction.
Submetrix swath bathymetric data and Klein sidescan sonar imagery
were collected along 2146 km of tracks and Edgetech 512i chirp
subbottom data were collected along 1654 km of tracks.
Navigation technique: DGPS.
Project number and name: 2921-CNV77 Northern Gulf Coast Ecosystem Change 14 days at sea. 2146 kms. of continuous data. 0 stations occupied.
USGS and Louisiana Department of Natural Resources
Got Help? For 07007, we would appreciate any information on -- activity type, analog materials, contract, days at sea, dive count, information to be derived, kms of navigation, national plan, NGDC Info, owner, project number, publications, scanned materials, seismic description, station count, station description, submersible, tabulated info.
Type Webpage KMZ Arc         Metadata         WHSC
Metadata data     txt  data  FAQ  xml data
Navigation data nav      
Times   050.times      

07007 location map of where navigation 

equipment operated

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