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Daily oceanographic analyses by Mediterranean Forecasting System at the basin scale

Authors: S. Dobricic; N. Pinardi; M. Adani; M. Tonani; C. Fratianni; A. Bonazzi; V. Fernandez;

Daily oceanographic analyses by Mediterranean Forecasting System at the basin scale

Abstract

Abstract. This study presents the upgrade of the Optimal Interpolation scheme used in the basin scale assimilation scheme of the Mediterranean Forecasting System. The modifications include a daily analysis cycle, the assimilation of ARGO float profiles, the implementation of the geostrophic balance in the background error covariance matrix and the initialisation of the analyses. A series of numerical experiments showed that each modification had a positive impact on the accuracy of the analyses: The daily cycle improved the representation of the processes with the temporal variability shorter than a week, the assimilation of ARGO floats profiles significantly improved the salinity analyses quality, the geostrophically balanced background error covariances improved the accuracy of the surface elevation analyses, and the initialisation removed the barotropic adjustment in the forecast first time steps starting from the analysis.

Country
France
Subjects by Vocabulary

Microsoft Academic Graph classification: Mediterranean climate Meteorology medicine.medical_treatment Barotropic fluid medicine Argo Covariance matrix Elevation Climatology Environmental science Geostrophic wind Decision analysis cycle Interpolation

Library of Congress Subject Headings: lcsh:Environmental sciences lcsh:GE1-350 lcsh:Geography. Anthropology. Recreation lcsh:G

Keywords

G, Geography. Anthropology. Recreation, GE1-350, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, [SDU.OCEAN] Sciences of the Universe [physics]/Ocean, Atmosphere, General Medicine, Environmental sciences

15 references, page 1 of 2

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Castellari, S., Pinardi, N., and Leaman, K. D.: A model study of air-sea interactions in the Mediterranean Sea, J. Mar. Syst., 18, 89-114, 1998.

Daley, R.: Atmospheric data analysis. Cambridge atmospheric and space science series,Cambridge University Press, ISBN 0-521- 38215-7, 1991.

De Mey, P. and Benkiran, M.: A multivariate reduced-order optimal interpolation method and its application to the Mediterranean basin-scale circulation, Ocean Forecasting, edited by: Pinardi, N. and Woods, J., Springer Verlag, 281-306, 2002.

Demirov, E. and Pinardi, N.,: Simulation of the Mediterranean Sea circulation from 1979 to 1993. Part I: The interannual variability, J. Mar. Syst., 33-34, 23-50, 2002. [OpenAIRE]

Demirov, E., Pinardi, N., Fratianni, C., Tonani, M., Giacomelli, L., and De Mey, P.: Assimilation scheme in the Mediterranean forecasting system: operational implementation, Ann. Geophys., 21, 189-204, 2003, http://www.ann-geophys.net/21/189/2003/. [OpenAIRE]

Dobricic, S., Pinardi, N., Adani, M., Bonazzi, A., Fratianni, C., and Tonani, M.: Mediterranean Forecasting System: An improved assimilation scheme for sea-level anomaly and its validation, Q. J. R.. Meteorol. Soc., 131, 3627-3642, 2005.

Le Traon, P. Y., Nadal, F., and Ducet, N: An improved mapping method of multisatellite altimeter data, J. Atmos. Oceanic Technol., 15, 522-533, 2003.

Manzella, G., Cardin, V., Cruzado, A., Fusco, G., Gacic, M., Galli, C., Gasparini, G., Gervais, T., Kovacevic, V., Millot, C., Petit DeLa Villeon, L., Spaggiari, G., Tonani, M., Tziavos, C., Velasquez, Z., Walne, A., Zervakis, V., and Zodiatis, G.: EUsponsored effort improves monitoring of circulation variability in the Mediterranean, EOS Transactions, American Geophysical Union, 82, 497-504, 2001.

The MEDAR Group: MEDAR/MEDATLAS 1998-2001 Mediterranean and Black Sea database of temperature, salinity and bio-chemical parameters and climatological atlas (4 CDRoms), Internet server http://www.ifremer.fr/sismer/ program/medarIFREMER/TMSI/IDM/SISMER Ed., Centre de Brest, 2002.

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    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
49
Top 10%
Top 10%
Top 10%
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