| A Study in Search of Interconnection between Surface Parameters and Surrounding Synoptic And Subsynoptic Features |
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| 作者姓名： | R. Pradhan U. K. De P.K. Sen |
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| 作者单位： | R. Pradhan，U. K.De and P.K. Sen (Atmospheric Science Research Group，Department of Physics，Jadavpur University，Calcutta 700032，India)(Department of Mathematics，Jadavpur University，Calcutta 7000032，India) |
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| 摘 要： | The paper reveals that the variations in parameters like u*, the scaling velocity and θ*. The scaling tempera-ture during the various phases of monsoon might be linked with subsynoptic features. The rise in u* is mainly connected with the presence of lower tropospheric cyclonic vorticity over a subsynoptic scale of the site. However the variations in θ* is mainly linked with the various phases of monsoon and θ* shows a sharp rise in presence of low level convective cloud.Besides the correlation studies of u and u*, θv and θv* , θv-θv0 and θv* are undertaken. The correlation be?tween θv and θv* is poor. In other two cases correlations are good. Besides u/u* , has shown good coefficient of variation values within the ζ range.
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| 收稿时间： | 14 November 1994 |
A study in search of interconnection between surface parameters and surrounding synoptic and subsynoptic features |
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| R. Pradhan,U. K. De,P.K. Sen.A study in search of interconnection between surface parameters and surrounding synoptic and subsynoptic features[J].Advances in Atmospheric Sciences,1995,12(4):475-486. |
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| Authors: | R Pradhan U K De P K Sen |
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| Institution: | Atmospheric Science Research Group, Department of Physics, Jadavpur University, Calcutta 700032, India,Department of Mathematics, Jadavpur University, Calcutta 700032, India |
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| Abstract: | The paper reveals that the variations in parameters likeu*, the scaling velocity and θ* . The scaling temperature during the various phases of monsoon might be linked with subsynoptic features. The rise in u* is mainly connected with the presence of lower tropospheric cyclonic vorticity over a subsynoptic scale of the site. However
the variations in θ* is mainly linked with the various phases of monsoon and θ* shows a sharp rise in presence of low level convective cloud.
Besides the correlation studies ofu and u*, θv and θv*, θv-θv0 and θv* are undertaken. The correlation between θv and θv* is poor. In other two cases correlations are good. Besides δu/ δu* has shown good coefficient of variation values within the ζ range. |
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| Keywords: | Scaling velocity Scaling temperature Subsynoptic feature Correlation coefficient Coefficient of variation |
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