Sidescan sonar

Acoustic technique for creating oblique backscatter imagery of the seafloor or lakebed.
This category is also used for geological long-range inclined asdic, sidescan, side scan sonar, and side-scan sonar.
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Geophysical surveys of Bear Lake, Utah-Idaho, September, 2002

Detailed bathymetry, lake-floor acoustic imaging, and sample characteristics to infer bottom sediment characteristics.