THREE-DIMENSIONAL NUMERICAL SIMULATION OF THE MESOSCALE WIND STRUCTURE OVER SHANDONG PENINSULA |
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| Authors: | SHENG Lifang K H SCHLUNZEN and WU Zengmao |
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| Institution: | SHENG Lifang Physical Oceanography Institute,Ocean University of Qingdao,Qingdao 266003K.H.SCHLUNZEN Meteorological Institute,University of Hamburg,Hamburg 20146,GermanyWU Zengmao Physical Oceanography Institute,Ocean University of Qingdao,Qingdao 266003 |
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| Abstract: | General features of 3-dimensional mesoscale wind and temperature structure over Shandong Peninsula are described in this paper.Results are achieved by numerical simulation with the 3- dimensional non-hydrostatic mesoscale model METRAS.For the onset and cessation time of sea- land breezes,the simulation results agree well with the statistical analyses of observational data available for the studied area.One interesting result is the 3 hour response time of wind field to the thermal change.Further statistic analysis based on the observational data is needed to make sure of this correlation.Important effects of coastal mountains on the wind structure are also exposed in detail by the model.Convergence and divergence centers resulting from the conjunction of sea-land breezes and complex terrain are clearly shown,which are not noticed before by conventional synoptic observation and theoretical analysis. |
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| Keywords: | numerical simulation complex terrain sea-land breezes upslope and downslope winds |
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