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Portable Multi Hydrophone Array for Field and Laboratory Measurements of Odontocete Acoustic Signals

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Technical Report

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University of Hawaii Honolulu United States

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This project has several objectives. First, our goal is to build a portable and versatile multi channel array. We have designed a portable 4 to 16 element array that is battery operated and designed to be used both in the field as well as in laboratory settings.One of the main objectives of this array is to measure the outgoing signals of representative odontocetes so that the identification, direction of travel, depth and location of the animals can be better known to improve passive acoustic monitoring efforts.Another main objective is to use this array to improve our knowledge of marine mammal acoustic signal parameters in control settings. Measurements both on a small and large scales will be obtained to look at propagation models of acoustic signals.An additional objective is to use this array to obtain high resolution measurements of anthropegenic sound sources in the field in order to assess propagation models and levels generated by various activities.

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