|COMMUNITY WHITE PAPER||10.5270/OceanObs09.cwp.25|
A Global Ocean Acoustic Observing Network
Brian Dushaw(1), Whitlow Au(2), Agnieszka Beszczynska-Möller(3), Rusty Brainard(4), Bruce D. Cornuelle(5), Tim Duda(6), Matthew Dzieciuch(7), Andrew Forbes(8), Lee Freitag(6), Jean-Claude Gascard(9), Alexander Gavrilov(10), John Gould(11), Bruce Howe(12), Steven R. Jayne(13), Ola M. Johannessen(14), James F. Lynch(6), David Martin(1), Dimitris Menemenlis(15), Peter Mikhalevsky(16), James H. Miller(17), Sue E. Moore(18), Walter H. Munk(5), Jeff Nystuen(1), Robert I. Odom(1), John Orcutt(7), Tom Rossby(17), Hanne Sagen(14), Stein Sandven(14), Jeff Simmen(1), Emmanuel Skarsoulis(19), Brandon Southall(20), Kate Stafford(1), Ralph Stephen(21), Kathleen J. Vigness Raposa(22), Sergei Vinogradov(23), Kevin B. Wong(4), Peter F. Worcester(5), Carl Wunsch(24)
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Passive and active acoustic measurements are effective and unique approaches to ocean observation. Both approaches have techniques that are well-established and suitable for immediate deployment as part of an operational observing system. Many of these techniques exploit the remarkable ability of low-frequency sounds to traverse great distances in the ocean. Passive acoustic measurements of natural or man-made sounds are made for diverse purposes ranging from assessing the environmental impact of human activities, to geophysics, to monitoring changes in biodiversity in response to climate change. Active acoustic systems are employed for tracking instruments and acoustic tomography. Tomography has a role in the ocean observing system that is complementary to altimetry and profiling floats, particularly in the context of data assimilation and ocean modeling. Modest systems of acoustic receivers and sources deployed across ocean basins can make cost effective, sustained observations of a variety of ocean processes.
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This paper shall be cited as:
Dushaw, B. & Co-Authors (2010). "A Global Ocean Acoustic Observing Network" in Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society (Vol. 2), Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306, doi:10.5270/OceanObs09.cwp.25
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