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          Institute: MPI für Meteorologie     Collection: Ocean in the Earth System     Display Documents



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ID: 510630.0, MPI für Meteorologie / Ocean in the Earth System
Modeling mediterranean ocean climate of the last glacial maximum
Authors:Mikolajewicz, U.
Language:English
Date of Publication (YYYY-MM-DD):2011
Title of Journal:Climate of the Past Discussions
Journal Abbrev.:Clim. Past Disc.
Volume:7
Start Page:161
End Page:180
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:A regional ocean general circulation model of the Mediterranean is used to study the climate of the last glacial maximum. The atmospheric forcing for these simulations has been derived from simulations with an atmospheric general circulation model, which in turn was forced with surface conditions from a coarse resolution earth system model. The model is successful in reproducing the general patterns of reconstructed sea surface temperature anomalies with the strongest cooling in summer in the northwestern Mediterranean and weak cooling in the Levantine, although the model underestimates the extent of the summer cooling in the western Mediterranean. However, there is a strong vertical gradient associated with this pattern of summer cooling, which makes the comparison with reconstructions nontrivial. The exchange with the Atlantic is decreased to roughly one half of its present value, which can be explained by the shallower Strait of Gibraltar as a consequence of lower global sea level. This reduced exchange causes a strong increase of the salinity in the Mediterranean in spite of reduced net evaporation. © 2010 Author(s).
External Publication Status:published
Document Type:Article
Communicated by:Carola Kauhs
Affiliations:MPI für Meteorologie/Ocean in the Earth System
Identifiers:DOI:10.5194/cp-7-161-2011
URL:www.clim-past.net/7/161/2011/
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