Low Frequency Attenuation in the Arctic Ocean

  • Frederick R. DiNapoli
  • Robert H. Mellen
Part of the NATO Conference Series book series (NATOCS, volume 16)


The deep water abyssal plain regions of the Arctic Ocean are almost text book examples of acoustic propagation in a range independent ocean at low frequencies, if one could ignore the influence of the unique rough ice canopy. This can be seen by examining the empirically derived expression and plots of propagation loss versus range at several low acoustic frequencies shown in Fig 1, The term, α R, which is predominantly determined by the scattering of energy from the rough surfaces of the ice canopy was found to have an f(3/2) dependence on frequency and a magnitude which exceeds sea water absorption by two orders of magnitude.


Reflection Coefficient Arctic Ocean Liquid Layer Ocean Acoustics Kirchhoff Approximation 
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Copyright information

© Plenum Press, New York 1986

Authors and Affiliations

  • Frederick R. DiNapoli
    • 1
  • Robert H. Mellen
    • 2
  1. 1.New London LabNaval Underwater Systems CenterNew LondonUSA
  2. 2.Marine SciencesPlanning Systems Inc.New LondonUSA

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