Localisation of sperm whales using bottom-mounted sensors. (In special issue: Detection and localization of marine mammals using passive acoustics)

White, P.R., Leighton, T.G., Finfer, D.C., Powles, C. and Baumann, O.N. (2006) Localisation of sperm whales using bottom-mounted sensors. (In special issue: Detection and localization of marine mammals using passive acoustics). Applied Acoustics, 67 (11-12), 1074-1090. (doi:10.1016/j.apacoust.2006.05.002).

Abstract

This paper describes the results of applying acoustic localisation methods to data from a free ranging sperm whale (Phyester macrocephalus) recorded using an array of five bottom-mounted hydrophones. The data analysed were supplied as part of the 2nd International Workshop on Detection and Localisation of Marine Mammals, Monaco, 2005. The localisation technique employed is based on a weighted least squares optimisation procedure applied to estimated delays. The method by which these delays are estimated in a robust manner is detailed. Three analytic acoustic models for the environment are explored and the effects of noise and model mismatch are considered.

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Contributors

Author: P.R. White

Author: T.G. Leighton

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