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Jim Irish and Dezhang Chu testing acoustic fish finder at the dock.

Jim Irish and Dezhang Chu testing acoustic fish finder at the dock.
Jim Irish and Dezhang Chu testing acoustic fish finder at the dock.
Jim Irish and Dezhang Chu testing acoustic fish finder at the dock.
Jim Irish and Dezhang Chu testing acoustic fish finder at the dock.
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37105
Kleindinst, Thomas N.
Jim Irish and Dezhang Chu testing acoustic fish finder at the dock.
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11/18/2005
graphics/Fish finder/DSC_7865.tif
Image of The Day caption:
With his colleagues Jim Irish (in blue jacket) and Dezhang Chu (at right), WHOI scientist Tim Stanton adapted a low-frequency commercial sonar system, originally designed to survey seafloor geology, to identify fish and zooplankton. Instead of detecting blurry images of fish patches, as they would with traditional sonar, the scientists used data from the new system to detect individual fish. This is just one of several WHOI technologies making fisheries management more efficient.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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