| A Study on Frontal Motion over Orography |
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| 作者姓名： | Xiao Qingnong Wu Rongsheng |
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| 作者单位： | Department of Atmospheric Sciences，Nanjing University，Naming 210093 |
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| 摘 要： | 肖庆农，伍荣生ＡＳｔｕｄｙｏｎＦｒｏｎｔａｌＭｏｔｉｏｎｏｖｅｒＯｒｏｇｒａｐｈｙ￥ＸｉａｏＱｉｎｇｎｏｎｓａｎｄＷｕＲｏｎｇｓｈｅｎｇ（ＤｅｐａｒｔｍｅｎｔｏｆＡｔｍｏｓｐｈｅｒｉｃＳｃｉｅｎｃｅｓ，ＮａｎｊｉｎｇＵｎｉｖｅｒｓｉｔｙ，Ｎａｍｉｎｇ...
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| 收稿时间： | 24 October 1994 |
A study on frontal motion over orography |
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| Xiao Qingnong,Wu Rongsheng.A Study on Frontal Motion over Orography[J].Advances in Atmospheric Sciences,1995,12(3):325-334. |
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| Authors: | Xiao Qingnong Wu Rongsheng |
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| Institution: | Department of Atmospheric Sciences, Nanjing University, Nanjing 210093,Department of Atmospheric Sciences, Nanjing University, Nanjing 210093 |
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| Abstract: | In order to study the characteristic features of the frontal motion over mountains, a frontal model is designed in this paper. The analytical solution of the model with the assumption of semigeostrophic approximation and no fric-tion is obtained and compared with numerical solution without the assumption. It assumes that the front is a free sur-face between two fluid layers with different densities. It also assumes that the mountain and the front are indefinitely long. Therefore, the motion of such a front can be determined by the one-dimensional shallow water equation system. By making a series of experiments, we confirm the rule further that front can be retarded when climbing the mountain and accelerated when going down the mountains. We also found some interesting characteristics of frontal structure influenced by topography in addition. |
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| Keywords: | Fronts Orography Frontal motion and structure |
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