Accuracy in the localization of sperm whales resident in the strait of gibraltar using one hydrophone

Auteurs-es

  • Christophe Laplanche Lab. d'Info. Indust./d'Automatique, Université Paris XII, 61 av. du General de Gaulle, 94010 Créteil, France
  • Olivier Adam Lab. d'Info. Indust./d'Automatique, Université Paris XII, 61 av. du General de Gaulle, 94010 Créteil, France
  • Jean-François Motsch Lab. d'Info. Indust./d'Automatique, Université Paris XII, 61 av. du General de Gaulle, 94010 Créteil, France

Mots-clés :

Acoustic waves, Computer simulation, Error analysis, Hydrophones, Random processes, Signal theory, Localization methods, Random variables, Sperm whales, Water columns

Résumé

Des etudes visuelles en surface dans le Detroit de Gibraltar montrent que les grands cachalots (Physeter macrocephalus) et plusieurs especes de dauphins partagent leurs territoires de chasse. Une methode de localisation par acoustique passive utilisant un hydrophone à une profondeur inconnue a ete utilisee ici, afin d’estimer la profondeur de chasse des cachalots, et prouver un eventuel partage de la colonne d’eau entre les differentes especes. Les cachalots poursuivis dans le Detroit de Gibraltar chassent dans la partie inferieure de la colonne d’eau.

Fichiers supplémentaires

Publié-e

2004-06-01

Comment citer

1.
Laplanche C, Adam O, Motsch J-F. Accuracy in the localization of sperm whales resident in the strait of gibraltar using one hydrophone. Canadian Acoustics [Internet]. 1 juin 2004 [cité 12 mai 2026];32(2):161-6. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1600

Numéro

Vol. 32 No. 2 (2004)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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