Acoustic density estimation of dense fish shoals - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of the Acoustical Society of America Année : 2020

Acoustic density estimation of dense fish shoals

Résumé

Multiple scattering of acoustic waves offers a noninvasive method for density estimation of a dense shoal of fish where traditional techniques such as echo-counting or echo-integration fail. Through acoustic experiments with a multi-beam sonar system in open sea cages, multiple scattering of sound in a fish shoal, and, in particular, the coherent backscattering effect, can be observed and interpreted quantitatively. Furthermore, a volumetric scan of the fish shoal allows isolation of a few individual fish from which target strength estimations are possible. The combination of those two methods allows for fish density estimation in the challenging case of dense shoals.
Fichier principal
Vignette du fichier
Acoustic_density_estimation_of_dense_fish_shoals.pdf (3.35 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-02996793 , version 1 (03-10-2021)

Identifiants

Citer

Benoit Tallon, Philippe Roux, Guillaume Matte, Jean Guillard, Sergey E Skipetrov. Acoustic density estimation of dense fish shoals. Journal of the Acoustical Society of America, 2020, 148 (3), pp.EL234-EL239. ⟨10.1121/10.0001935⟩. ⟨hal-02996793⟩
93 Consultations
30 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More