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Sea level variability in the Mediterranean Sea during the 1990s on the basis to two 2d and one 3d model

Sea level variability in the Mediterranean Sea during the 1990s on the basis to two 2d and one 3d model
Sea level variability in the Mediterranean Sea during the 1990s on the basis to two 2d and one 3d model
The sea level rise in the 1990s at the Mediterranean Sea as evidenced by satellite altimetry is studied with the aid of ocean models. Two barotropic two dimensional (2d) models and one three dimensional (3d) model are used. Both 2d models indicate that the contribution of direct atmospheric forcing causes localised trends of up to 2 mm/yr. The 3d model successfully describes the evolution in temperature of the upper and intermediate waters. However the salinity changes are not well described. The steric contribution of sea level rise during this period is in places in excess of 10 mm/yr. Notably oceanic circulation is also found to contribute to sea level trends by up to ? 3 mm/yr. Thus the observed sea level changes in the 1990s are better understood. The exceptional nature of the sea level behaviour in 1990s, especially in the eastern basin, when compared with previous decades is confirmed on the basis of both the 2d and the 3d models.
Sea-level, Altimetry, Barotropic model, Baroclinic model, Steric sea-level
0924-7963
109-123
Tsimplis, Michael
df6dd749-cda4-46ec-983c-bf022d737031
Marcos, Marta
e9449b6f-834c-4239-8bb7-b611a0062412
Colin, Jeanne
314c1749-319c-4d0a-b9d3-a7629a9fc8a2
Somot, Samuel
e9d5b32b-3ab2-44bd-b0da-8e9eaca72478
Pascual, Ananda
fde5af8d-b72f-428d-970b-3683ae619975
Shaw, A.G.P.
4afa8737-18d4-4c88-98a4-55572fb51562
Tsimplis, Michael
df6dd749-cda4-46ec-983c-bf022d737031
Marcos, Marta
e9449b6f-834c-4239-8bb7-b611a0062412
Colin, Jeanne
314c1749-319c-4d0a-b9d3-a7629a9fc8a2
Somot, Samuel
e9d5b32b-3ab2-44bd-b0da-8e9eaca72478
Pascual, Ananda
fde5af8d-b72f-428d-970b-3683ae619975
Shaw, A.G.P.
4afa8737-18d4-4c88-98a4-55572fb51562

Tsimplis, Michael, Marcos, Marta, Colin, Jeanne, Somot, Samuel, Pascual, Ananda and Shaw, A.G.P. (2009) Sea level variability in the Mediterranean Sea during the 1990s on the basis to two 2d and one 3d model. Journal of Marine Systems, 78 (1), 109-123. (doi:10.1016/j.jmarsys.2009.04.003).

Record type: Article

Abstract

The sea level rise in the 1990s at the Mediterranean Sea as evidenced by satellite altimetry is studied with the aid of ocean models. Two barotropic two dimensional (2d) models and one three dimensional (3d) model are used. Both 2d models indicate that the contribution of direct atmospheric forcing causes localised trends of up to 2 mm/yr. The 3d model successfully describes the evolution in temperature of the upper and intermediate waters. However the salinity changes are not well described. The steric contribution of sea level rise during this period is in places in excess of 10 mm/yr. Notably oceanic circulation is also found to contribute to sea level trends by up to ? 3 mm/yr. Thus the observed sea level changes in the 1990s are better understood. The exceptional nature of the sea level behaviour in 1990s, especially in the eastern basin, when compared with previous decades is confirmed on the basis of both the 2d and the 3d models.

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More information

Published date: August 2009
Keywords: Sea-level, Altimetry, Barotropic model, Baroclinic model, Steric sea-level

Identifiers

Local EPrints ID: 66509
URI: http://eprints.soton.ac.uk/id/eprint/66509
ISSN: 0924-7963
PURE UUID: 91a28269-974c-4c47-9f0a-224a82b17b13

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Date deposited: 24 Jun 2009
Last modified: 13 Mar 2024 18:23

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Contributors

Author: Michael Tsimplis
Author: Marta Marcos
Author: Jeanne Colin
Author: Samuel Somot
Author: Ananda Pascual
Author: A.G.P. Shaw

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