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Daily Oceanographic Analyses by the Mediterranean Basin Scale Assimilation System : Volume 3, Issue 6 (22/11/2006)

By Dobricic, S.

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Book Id: WPLBN0004020954
Format Type: PDF Article :
File Size: Pages 22
Reproduction Date: 2015

Title: Daily Oceanographic Analyses by the Mediterranean Basin Scale Assimilation System : Volume 3, Issue 6 (22/11/2006)  
Author: Dobricic, S.
Volume: Vol. 3, Issue 6
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Pinardi, N., Adani, M., Tonani, M., Bonazzi, A., Fernandez, V., Fratianni, C., & Dobricic, S. (2006). Daily Oceanographic Analyses by the Mediterranean Basin Scale Assimilation System : Volume 3, Issue 6 (22/11/2006). Retrieved from

Description: Istituto Nazionale di Geofisica e Vulcanologia, Bologna, Italy. 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 a relatively high temporal variability, 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.

Daily oceanographic analyses by the Mediterranean basin scale assimilation system

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