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Abstract Nitis T, Tsegas G, Korres GM, Douros I, Moussiopoulos N:
"Influence of sea surface temperature variation on basic mesoscale flows over coastal areas",
In CEST2007: A-1037-1044, (Sep 2007)


Keywords   Sea Surface Temperature, Mesoscale Meteorological Models, Sea Breeze, Complex Topography, Geographical Information Systems, Remote Sensing
Abstract   Inhomogeneous, time-dependent coastal flows, as a result of the juxtaposition of contrasting thermal environments, are characteristic mesoscale features the importance of which has been highlighted in numerous studies. There are a number of factors with a strong impact on local circulation phenomena, such as sea surface temperature (SST), coastline configuration, topography and landuse. SST can have an important influence on the behavior of the overlying atmosphere, such as the forcing of convection which leads to showers and the formation of sea and land breeze. The coastal marine atmospheric boundary layer appears to be far from horizontally homogeneous and isotropic; it does not have a distinct diurnal pattern, but can be stable or unstable depending on the air type which is advected, relative to the sea surface temperature. Therefore, the use of accurate sea surface temperature fields in weather forecast models can be important. Τhe objective of the present study falls within the above mentioned framework. The Princeton Oceanic Model (POM) was applied to the coastal area of Athens and as a result, hourly base SST data were derived. Thereinafter, mathematical simulations with the non-hydrostatic mesoscale model MEMO were performed to analyse and evaluate changes induced by the spatial and diurnal variation of SST on local circulation phenomena, along the Attica peninsula. In this study, two multi-day periods, characterised by stagnant meteorological conditions were selected. Satellite data of land and sea surface temperature, orography and landuse were used in order to achieve more accurate simulations. The results demonstrated successful multi-day simulations, as well as the importance of including spatial and temporal high-resolution sea surface temperature data in model simulations for studying local circulation phenomena.
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Authors:

 5 records found.
Name Affiliation Home page e-mail Total pubs 
Douros ILaboratory of Heat Transfer and Environmental Engineering, Aristotle University Thessaloniki, Box 483, 54124 Thessaloniki, Greece  7
Korres GMAssistant Professor at University of the Aegean, Department of Geography, University of Hill, Mitilene: 81100, Lesbos, Greece gkorres@hol.gr4
Moussiopoulos NLaboratory of Heat Transfer and Environmental Engineering, Aristotle University of Thessaloniki  moussio@eng.auth.gr56
Nitis TLaboratory of Heat Transfer and Environmental Engineering, Aristotle University, Box 483, GR 54124 Thessaloniki, Greece theo@marine.aegean.gr1
Tsegas GLaboratory of Heat Transfer and Environmental Engineering, Aristotle University Thessaloniki, Box 483, GR 54 124 Thessaloniki, Greece  6

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References included in article:

 12 records found.
Order of appearence Full citation SRCosmos Link 
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