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In the summer of 2003, we collected multibeam and side-scan sonar data simultaneously in outer Saco Bay (Figure 2 and Figure 3). Owing to budget constraints, we could not afford to extend the multibeam coverage to all areas evaluated with side-scan sonar and seismic reflection profiles.
We used a digital Edgetech side-scan sonar towfish with a topside Triton-Elics data processor. The range imaged varied between 100 m and 200 m. Multibeam bathymetric data were gathered with a Simrad SM 2000 system. Water profiles were evaluated every hour, and all data was processed with the Triton-Elics data processor. In all, 115 km of seismic reflection tracklines were gathered, and 180 km of side-scan sonar tracklines, ensonifying an area of 45 km2.
Seventeen vibracores were gathered between 36 m and 78.5 m depth in the summer of 2004 with a Rossfelder Underwater P3 Vibracorer (16 cores were between 54 m and 78.5 m depth) (Figure 3). All cores were brought back to the sedimentology lab at the University of Maine for description and analyses.
Last updated on October 30, 2006
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