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Abstract
Following classical theory,a two-layer frontal model is designed.It assumes that frontal surface is the zero-order discontinuity of density.In this paper,the model is used to study orographically distorted and occluded fronts.It is indicated that the distortion and occlusion of cold fronts are different under different conditions of orography.Frontal intensity also influences the distortion and occlusion.Some rules are revealed and compared with observations.In addition,we have analysed the vertical structure of cold front above mountains and found that frontal surface may be bulged under the influence of orography when it climes the mountain.The bulge of frontal surface is just like the bore as pointed out by Long(1972) when he analysed fluid over obstacles.
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Citation
Xiao Qingnong. 1994: DISTORTION AND OCCLUSION OF COLD FRONTS UNDER THE INFLUENCE OF OROGRAPHY. Journal of Meteorological Research, 8(4): 440-449.
Xiao Qingnong. 1994: DISTORTION AND OCCLUSION OF COLD FRONTS UNDER THE INFLUENCE OF OROGRAPHY. Journal of Meteorological Research, 8(4): 440-449.
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Xiao Qingnong. 1994: DISTORTION AND OCCLUSION OF COLD FRONTS UNDER THE INFLUENCE OF OROGRAPHY. Journal of Meteorological Research, 8(4): 440-449.
Xiao Qingnong. 1994: DISTORTION AND OCCLUSION OF COLD FRONTS UNDER THE INFLUENCE OF OROGRAPHY. Journal of Meteorological Research, 8(4): 440-449.
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