OceanObs09

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

COMMUNITY WHITE PAPER10.5270/OceanObs09.cwp.55

Ocean State Estimation for Climate Research

T. Lee(1), D. Stammer(2), T. Awaji(3), M. Balmaseda(4), D. Behringer(5), J. Carton(6), N. Ferry(7), A. Fischer(8), I. Fukumori(9), B. Giese(10), K. Haines(11), E. Harrison(12), P. Heimbach(13), M. Kamachi(14), C. Keppenne(15), A. Köhl(2), S. Masina(16), D. Menemenlis(9), R. Ponte(17), E. Remy(18), M. Rienecker(19), A. Rosati(20), J. Schroeter(21), D. Smith(22), A. Weaver(23), C. Wunsch(13), Y. Xue(24)

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Spurred by the sustained operation and new development of satellite and in-situ observing systems, global ocean state estimation efforts that gear towards climate applications have flourished in the past decade. A hierarchy of estimation methods is being used to routinely synthesize various observations with global ocean models. Many of the estimation products are available through public data servers. There have been an increasingly large number of applications of these products for a wide range of research topics in physical oceanography as well as other disciplines. These studies often provide important feedback to the observing systems. This white paper describes the approaches used by the estimation systems in synthesizing observations and model dynamics, highlights the applications of their products for climate research, and addresses the challenges ahead in relation to the observing systems. Further applications to study climate variability using ENSEMBLE state estimation products are described by a white paper by Stammer et al. (2010).

1NASA (National Aeronautics and Space Administration) Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr, Pasadena, California 91109 USA
2Institut für Meereskunde, KlimaCampus, University of Hamburg, Bundesstr. 53, 20146 Hamburg, Germany
3Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
4European Centre for Medium-Range Weather Forecast, ECMWF, Shinfield Park, Reading RG2 9AX UK
5NOAA (National Oceanic and Atmospheric Administration)/National Centers for Environmental Prediction, 5200 Auth Road Camp Springs, Maryland 20746 USA
6Department of Atmospheric and Oceanic Science, University of Maryland, 3413 Computer & Spaces Sci. Bldg., College Park, MD 20742, USA
7Mercator-Océan, 8-10 rue Hermès, 31520 Ramonville, St Agne, France
8Intergovernmental Oceanographic Commission, UNESCO (United Nations Educational, Scientific and Cultural Organization), 1 rue Miollis, 75732 Paris Cedex 15, France
9NASA (National Aeronautics and Space Administration) Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr, Pasadena, CA 91109
10Department of Oceanography, Texas A&M University, College Station, TX 77843-3146, USA
11Reading University, Marine Informatics and Reading e-Science Centre, ESSC, Harry Pitt Bld, 3 Earley Gate, Reading University, Reading RG6 6AL, UK
12NOAA (National Oceanic and Atmospheric Administration)/Pacific Marine Environment Laboratory/OCRD (Office Chief of Research and Development), 7600 Sand Point Way NE, Seattle, WA 98115, USA
13Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, , 77 Massachusetts Avenue, MIT, MA 02139 USA
14Oceanographic Research Department, Meteorological Research Institute, Department of Earth, Atmospheric and Planetary Sciences, 1-1 Nagamine, Tsukuba 305-0052, Japan
15NASA (National Aeronautics and Space Administration) Goddard Space Flight Center, Global Modeling and Assimilation Office, 8463 Greenbelt Rd, Greenbelt, MD 20770-25481, USA
16Centro Euro-Mediterraneo per i Cambiamenti Climatici and Istituto Nazionale di Geofisica e Vulcanologia, Viale A. Moro 44, 40127 Bologna, Italy
17Atmospheric and Environmental Research, 131 Hartwell Ave # 4, Lexington, MA 02421-3105, USA
18Mercator-Océan, 8-10 rue Hermès, 31520 Ramonville, Saint Agne, France
19NOAA (National Aeronautics and Space Administration) Goddard Space Flight Center, Global Modeling and Assimilation Office, 8463 Greenbelt Rd, Greenbelt, MD 20770-25481, USA
20NOAA (National Oceanic and Atmospheric Administration)/Geophysics Fluid Dynamics Laboratory, Princeton University, Forrestal Campus, 201 Forrestal Road, Princeton, NJ 08540-6649, USA
21Alfred-Wegener-Institute for Polar and Marine Research, Postfach 12 01 61, 27515 Bremerhaven, Germany
22Met Office Hadley Centre, FitzRoy Road, Exeter, EX1 3PB, UK
23Centre Européen de Recherche et de Formation Avancée en Calcul Scientifique, 42 avenue Gaspard Coriolis, 31057 Toulouse, France
24NOAA (National Oceanic and Atmospheric Administration) National Centers for Environmental Prediction, 5200 Auth Road Camp Springs, Maryland 20746 USA

Correspondence should be addressed to E-mail: Tong.Lee@jpl.nasa.gov

This paper shall be cited as:

Lee, T. & Co-Authors (2010). "Ocean State Estimation for Climate Research" 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.55

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