Looking at the Channel from a new perspective
USGS multibeam bathymetry from Great South Channel - Valentine et al
Visualization using OssimPlanet - Norman Vine
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Some highlights of 2007 RSA bottom imaging project Woods Hole Oceanographic Institution F/V Kathy Marie, Arnie's Fisheries, New Bedford |
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 using Applied Signal Technology sidescan sonar on towed FOCUS2 vehicle (K. Ford, Mass Division of Marine Fisheries) total imaged width - 200 meters ~150 miles of this high resolution data was collected in the Northern Edge HAPC, CLA1, WGSC, and NLSCLA Note Imagenix sonar data of 14' dredge track in orange stripe see http://habcam.whoi.edu for tracklines and more imagery |
Haulback: lines are clipped in as the camerasled breaks the surface
photo: Dale Lynch
Finding a hard target for calibration
for the Mass DMF/NOAA 3002 multibeam sonar at the site of the Andrea Doria
Setting out the dredge with both towed vehicles on deck
Massachusetts Division of Marine Fisheries FOCUS 2 (left)
with AST sonar arrays, and HABCAM (right)
5 seconds of data from the towed camera
Elephant Trunk - July 2007
Looks like everybody likes to eat scallops
Wonder how many are being lost to predation as this
pack of carnivorous snails moves along the bottom?
Anenome on a glacial cobble dump along the first edge (SBNMS)
Last watch of the data collection trips on F/V Kathy Marie 2007
