Assimilation of Argo float positions in the north western Mediterranean Sea and impact on ocean circulation simulations

被引：29
|
作者：
Taillandier, V.
Griffa, A.
Poulain, P. -M.
Beranger, K.
机构：
[1] CNR, Ist Sci Marine, I-19036 Lerici, La Spezia, Italy
[2] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Div Meteorol & Phys Oceanog, Miami, FL 33149 USA
[3] Ist Nazl Oceanog & Geofis Sperimentale, I-34010 Trieste, Italy
[4] Ecole Natl Super Tech Avancees, F-75739 Paris, France
来源：
GEOPHYSICAL RESEARCH LETTERS | 2006年 / 33卷 / 11期
关键词：
D O I：
10.1029/2005GL025552
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Assimilation of Argo float trajectories (350m parking depth) in a high resolution model of the Mediterranean Sea has been performed to test the importance of this type of data for operational systems. Starting from a state corresponding to the 28th year of the simulation, two experiments were performed, one with assimilation and one without, during three months in winter 2005. Four Argo floats released in the context of the MFSTEP project are used. The results are very encouraging, showing significant and consistent changes in the ocean circulation. Comparison with independent data of transport through the Channel of Corsica indicates that the results are more realistic with assimilation, showing a non negligible impact of the assimilation process on the large scale circulation of the basin.
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页数：5
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