A Survey of the Impact on Acoustic Propagation of Warm Core Ocean Eddys

Abstract

Warm core eddys have been found throughout the oceans of the world. Most have a bowl-like shape extending down from the surface, which, along with an increased sound speed due to the warmer water core, causes more acoustic energy to be refracted toward the surface than would occur without an eddy present. However, the impact on acoustic propagation varies significantly from ocean to ocean, because of variations in eddy size and core temperature, as well as sound speed profile differences in the adjoining waters. Examples are given from the North and South Atlantic Oceans, North and South Pacific Oceans, Greenland and Norwegian Seas.

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Document Details

Document Type
Technical Report
Publication Date
Sep 21, 1993
Accession Number
ADA272188

Entities

People

  • David G. Browning
  • Joseph M. Monti
  • Linda S. Petitpas

Organizations

  • Naval Undersea Warfare Center

Tags

Communities of Interest

  • Sensors

DTIC Thesaurus Topics

  • Abstracts
  • Acoustic Propagation
  • Acoustics
  • Antisubmarine Warfare
  • Atlantic Ocean
  • Convergence
  • Convergence Zones (Sonar)
  • Oceans
  • Pacific Ocean
  • Shallow Water
  • South Atlantic Ocean
  • South Pacific Ocean
  • Travel Time
  • Undersea Warfare
  • Underwater Sound
  • Warfare
  • Water

Fields of Study

  • Environmental science

Readers

  • Acoustical Oceanography.
  • Polar and Arctic Studies