2005
DOI: 10.1121/1.4786873
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Single beam echosounding: Considerations of depth and seabed slope

Abstract: The topic of depth compensation of single beam echo time series for seabed classification is fairly well studied. The effect of seabed slope has not been publicized. In applications for seabed classification, seabed slope is observed to be associated with classification inaccuracy and failure. In cases of higher slope, single beam bathymetry also becomes inaccurate. A survey of 2 fjords with extreme variation in slope is presented as a representative example and testing bed for investigating slope. The direct … Show more

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“…Because of the spherical symmetry of the sound wave emitted by the transducer and the attenuation through the water column, the echo intensity depends on the distance travelled and must be corrected to remove depth effects (Biffard et al, 2005(Biffard et al, , 2010Caughey & Kirlin, 1996;Pouliquen, 2004;Rodríguez-Pérez et al, 2014) (see Fig. 3).…”
Section: Preprocessing Acoustic Datamentioning
confidence: 99%
“…Because of the spherical symmetry of the sound wave emitted by the transducer and the attenuation through the water column, the echo intensity depends on the distance travelled and must be corrected to remove depth effects (Biffard et al, 2005(Biffard et al, , 2010Caughey & Kirlin, 1996;Pouliquen, 2004;Rodríguez-Pérez et al, 2014) (see Fig. 3).…”
Section: Preprocessing Acoustic Datamentioning
confidence: 99%