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Discussion papers
https://doi.org/10.5194/osd-6-1895-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/osd-6-1895-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

Submitted as:   31 Aug 2009

Submitted as:   | 31 Aug 2009

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This discussion paper is a preprint. A revision of the manuscript for further review has not been submitted.

An operational implementation of the GHER model for the Black Sea, with SST and CTD data assimilation

L. Vandenbulcke1, A. Capet1, J. M. Beckers1, M. Grégoire1, and S. Besiktepe2 L. Vandenbulcke et al.
  • 1GeoHydrodynamics and Environment Research, Université de Liège, Belgium
  • 2NATO Undersea Research Centre, La Spezia, Italy

Abstract. In this article, we describe the first operational implementation of the GHER hydrodynamic model. This happened onboard the research vessel "Alliance", in the context of the Turkish Straits System 2008 campaign, which aimed at the real-time characterization of the Marmara Sea and (south-western) Black Sea. The model performed badly at first, mainly because of poor initial conditions. Hence, as the model includes a reduced-rank extended Kalman filter assimilation scheme, after a hindcast where sea surface temperature and temperature and salinity profiles were assimilated, the model yielded realistic forecasts. Furthermore, the time required to run a one-day simulation (about 5 min of simulation, or 10 min with pre-processing and data transfers included) is very limited and thus operational use of the model is possible.

L. Vandenbulcke et al.
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Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Interactive discussion
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
L. Vandenbulcke et al.
L. Vandenbulcke et al.
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