Fish populations in continental shelf environments can be continuously imaged over thousands of square kilometers using acoustic waveguide remote sensing techniques [Makris et al., Science, Feb. (2006)]. A calibrated range‐dependent scattering and reverberation model [Ratilal et al., J. Acoust. Soc. Am. 114, 2302 (2003)] based on the parabolic equation has been applied to assess population densities of fish by inverting long‐range acoustic data collected on the New Jersey continental shelf. This model is now applied to predict the types of fish species and zooplankton that are detectable in a general range‐dependent continental shelf environment, including the resolution and accuracy that can be expected in estimating fish population densities and for differentiating fish species. We consider different geometries of the source and receiving array to enhance biological detection and reduce background reverberation in highly range‐dependent environments. Using multiple source frequencies, the possibility of distinguishing fish species based on their differing scattering characteristics and resonance frequencies will be examined.
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May 2006
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May 04 2006
Assessing fish populations and enhancing biological detection in continental shelf environments with range‐dependent scattering and reverberation models
Mark Andrews;
Mark Andrews
Northeastern Univ., 360 Huntington Ave, Boston, MA 02115
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Ameya Galinde;
Ameya Galinde
Northeastern Univ., 360 Huntington Ave, Boston, MA 02115
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Ninos Donabed;
Ninos Donabed
Northeastern Univ., 360 Huntington Ave, Boston, MA 02115
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Purnima Ratilal;
Purnima Ratilal
Northeastern Univ., 360 Huntington Ave, Boston, MA 02115
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Deanelle Symonds;
Deanelle Symonds
MIT, Cambridge, MA 02139
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Nick Makris
Nick Makris
MIT, Cambridge, MA 02139
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J. Acoust. Soc. Am. 119, 3436 (2006)
Citation
Mark Andrews, Ameya Galinde, Ninos Donabed, Purnima Ratilal, Tianrun Chen, Deanelle Symonds, Sunwoong Lee, Nick Makris; Assessing fish populations and enhancing biological detection in continental shelf environments with range‐dependent scattering and reverberation models. J. Acoust. Soc. Am. 1 May 2006; 119 (5_Supplement): 3436. https://doi.org/10.1121/1.4786911
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