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Your location: Home / Final GODAE Symposium / Invited papers / 4.3 PYLT abstract

4.3 Data assembly and processing for operational oceanography: 10 years of achievements

Lead author: Pierre-Yves Le Traon (Ifremer)

Author/co-authors: P.Y. Le Traon¹, G. Larnicol², S. Guinehut², S. Pouliquen¹, A. Bentamy¹, D. Roemmich³, C. Donlon⁴, H. Roquet⁵, G. Jacobs⁶, D. Griffin⁷, F. Bonjean⁸, N. Hoeppfner⁹, L.A. Breivick¹⁰

¹Ifremer, Centre de Brest, Plouzané, France
²CLS Space Oceanography Division ,Toulouse, France
³Scripps Institution of Oceanography, San Diego, CA, USA
⁴ESA, The Netherlands
⁵CMS, Meteo-France, Lannion, France
⁶NRL, Stennis Space Center, MS, USA
⁷CSIRO, Hobart, Tasmania, Australia
⁸ESR, Seattle, WA, USA
⁹JRC, Ispra, Italy
¹⁰Norwegian Meteorological Institut, Oslo, Norway

Abstract

Data assembly and processing centers are essential elements of the operational oceanography infrastructure. They provide data and products needed by the modeling and data assimilation systems; they also provide products directly useable for research and applications. The paper will discuss the role and functions of the data centers for operational oceanography and describe the main data assembly centers developed during GODAE: Argo and Coriolis data centers for in-situ data, SSALTO/DUACS and NAVOCEAN for altimetry and GHRSST for SST. An overview of other data centers (wind and fluxes, ocean colour, sea ice) will also be given. Major progresses have been achieved over the past 10 years to validate, intercalibrate and merge altimeter data from multiple satellites. Accuracy and timeliness of products have been improved and new products have been developed. The same is true for sea surface temperature data through the GHRSST project. A breakthrough in processing, quality control and assembly for in-situ data has also been achieved through the development of the real time and delayed mode Argo data system. In-situ and remote sensing data are now systematically and jointly used for calibration, validation and long term monitoring of the quality and consistency of the global ocean observing system (e.g. altimetry and tide gauges, Argo and altimetry, in-situ and satellite sea surface temperature data). Main results will be illustrated. We will also review the development and use of products merging in-situ and remote sensing data (e.g. surface currents, 3D temperature and salinity maps derived from altimetry, joint use of sea surface temperature and ocean colour and altimeter data). Future issues and main prospects will be discussed.

(Last Updated: 13-10-2008)