Passive Acoustic Methods for Tracking Marine Mammals Using Widely-Spaced Bottom-Mounted Hydrophones

Abstract

The long-term goal of this project is to improve passive acoustic methods for tracking marine mammals, with primary effort dedicated to methods that use bottom-mounted hydrophones. When possible, tracking results are used to study marine mammal behavior and bioacoustics. The main objective of this project is to develop and implement methods to deal with two specific challenges associated with tracking marine mammals using widely-spaced bottom-mounted hydrophone arrays: (1) Multiple animals whose calls cannot be easily separated or associated, and (2) Insufficient receiver coverage, in which case standard time-of-arrival (TOA) tracking methods fail.

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 2010
Accession Number
ADA541771

Entities

People

  • Eva-Marie Nosal

Organizations

  • University of HawaiĘ»i System

Tags

Communities of Interest

  • Sensors

DTIC Thesaurus Topics

  • Acoustic Detection
  • Acoustic Equipment
  • Acoustic Propagation
  • Acoustic Tracking
  • Acoustics
  • Animals
  • Detection
  • Detectors
  • Environmental Monitoring
  • Hydrophones
  • Mammals
  • Marine Mammals
  • Models
  • Monitoring
  • Odontocetes
  • Three Dimensional

Readers

  • Marine Mammal Biology
  • Radar Systems Engineering.

Technology Areas

  • Space
  • Space - Space Objects