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Remote characterization of seafloor is a useful geophysical tool, as it allows data collection while ship is moving, being more expedite than traditional methods, which require stopped ships for grabbing sediment samples. This work evaluates techniques applied for seabed characterization using high frequency sonars. Programs analyze the backscatter signal through a series of methodologies (e.g. image...
Multibeam backscatter data represent a major seabed discrimination tool. For seafloor characterization, however, one of the most significant limitations is the absolute calibration. There are many components of this and environmental and frequency controls on the backscatter level are two of the most important ones. As many multibeam backscatter data are reduced imperfectly for attenuation, this paper...
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