OceanObs09

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Proceedings of OceanObs'09: Sustained Ocean Observations and Information for Society

COMMUNITY WHITE PAPER10.5270/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.

1Applied Physics Laboratory, University of Washington, 1013 N.E. 40th St., Seattle, WA 98105, USA
2Hawaii Institite of Marine Biology, University of Hawaii at Manoa, 46-007 Lilipuna Rd., Kaneohe, HI 06744, USA
3Stiftung Alfred-Wegener-Institut für Polar und Meeresforschung Fachbereich Klimasystem, Postfach 120161, D-27515 Bremerhaven, Germany
4Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, 1125-B Ala Moana Blvd., Honolulu, HI 96814, USA
5Scripps Institution of Oceanography, University of California, San Diego, 9500 Gilman Drive, San Diego, La Jolla, CA 92093-0225, USA
6Applied Ocean Physics & Engineering Department, Woods Hole Oceanographic Institution, MS 11, Woods Hole, MA 02543 USA
7Scripps Institution of Oceanography, University of California, 9500 Gilman Drive, San Diego, La Jolla, CA 92093-0225, USA
8International Monitoring System Division,Comprehensive Nuclear Test Ban Treaty Organization, PO Box 1200, 1400 Vienna, Austria
9Laboratoire d'Océanographie Dynamique et de Climatologie, CNRS-UPCM (Centre National de la Recherche Scientifique/Université Pierre et Marie Curie), Case 100, Tour 45-55 5ème étage, 75252 PARIS CEDEX 05, France
10Centre for Marine Science & Technology, Curtin University of Technology, PO Box 1370, West Perth, WA 6872 Australia
11National Oceanography Centre, Southampton, University of Southampton, Waterfront Campus, European Way, Southampton SO14 3ZH, United Kingdom
12Department of Ocean and Resources Engineering, University of Hawaii at Manoa, Holmes Hall 402, 2540 Dole Street, Honolulu, Hawaii 96822-2303, USA
13Physical Oceanography Department, Woods Hole Oceanographic Institution, MS 29, Clark 209A, Woods Hole, MA 02543, USA
14Nansen Environmental and Remote Sensing Center, Thormøhlensgt. 47, N-5006 Bergen, Norway
15Jet Propulsion Laboratory, California Institute of Technology, MS 300-323, 4800 Oak Grove Dr, Pasadena CA 91109-8099, USA
16Science Applications International Corporation,, 4001 N. Fairfax Dr., Suite 850, Arlington, VA 22203, USA
17Department of Ocean Engineering, University of Rhode Island, South Ferry Rd., Narragansett, RI O2882 USA
18National Oceanic and Atmospheric Administration (NOAA)/Fisheries Science & Technology, Pacific Marine Environmental Laboratory, 7600 Sand Point Way NE-OERD2, Seattle, WA 98115 USA
19Foundation for Research and Technology, Hellas Inst. of Applied and Computational Mathematics, P.O. Box 1385, GR-71110 Heraklion, Greece
20SAE (Southall Environmental Associates) Inc, 911 Center Street, Suite B, Santa Cruz, CA 95060 USA
21Geology and Geophysics, Woods Hole Oceanographic Institution, Clark South 282, MS 24, Woods Hole, MA 02543 USA
22Marine Acoustics, Inc.,, 809 Aquidneck Ave., Middletown, RI 02842, USA
23Atmospheric and Environmental Research, Inc., 131 Hartwell Ave., Lexington, MA 02421, USA
24Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Room 54-1524, 77 Massachusetts Avenue, Cambridge, MA 02139 USA

Correspondence should be addressed to E-mail: dushaw@apl.washington.edu

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

Rights to reproduction of individual articles are held by the authors. The source of the article (these proceedings) shall be cited.

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