Cheap DECAF: Density Estimation for Cetaceans from Acoustic Fixed Sensors Using Separate, Non-Linked Devices

Abstract

Several of the current methods for density estimation of cetaceans using passive fixed acoustics rely on large, dense arrays of cabled hydrophones and/or auxiliary information from animal tagging projects conducted at the same time as the acoustic survey. Obtaining such data is costly, and may be impractical to the wider community interested in estimating cetacean density. Therefore, the goal of Cheap DECAF is to focus on the development of cetacean density estimation methods using sensors that are sparsely distributed and less expensive to deploy than the cabled military arrays focussed on to date.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Sep 30, 2013
Accession Number
ADA598567

Entities

People

  • David Mellinger
  • Len Thomas
  • Luís Matias

Organizations

  • Oregon State University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Sensors

DTIC Thesaurus Topics

  • Acoustic Propagation
  • Acoustics
  • Animals
  • Cetaceans
  • Detection
  • Detectors
  • Fixed Sensors
  • Frequency
  • Frequency Bands
  • Geographic Regions
  • Grids
  • Marine Mammals
  • Noise
  • Noise Reduction
  • Sampling
  • Seabed
  • Surveys

Readers

  • Marine Mammal Biology
  • Systems Analysis and Design