| 1000mb面及500mb面图解法数值预报的新尝试 |
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| 引用本文： | 徐尔灝.1000mb面及500mb面图解法数值预报的新尝试[J].气象学报,1958,29(3):185-200. |
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| 作者姓名： | 徐尔灝 |
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| 作者单位： | 南京大学气象系 |
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| 摘 要： | 本文提出了1000mb 面及500mb 面图解法数值预报的新方法.其特点是:(1)考虑了整个对流圈的铅直结构.用 Sawyer-Bushby 模式进行计算;但方法可推广到其他模式,例如Eliassen 模式.(2)500mb 面不当作无辐散层,无辐散层可置于其他适当的等压面上.方法的要点是利用 Bolin 定义的等效斜压层上某些平流来计算1000mb 及500mb 面的变高.讨论了一些实际试验结果.
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| 收稿时间： | 4/1/1958 12:00:00 AM |
A NEW EXPERIMENT ON PREPARING 1000 MB AND 500 MB PROGNOSTIC CHARTS BY GRAPHICAL INTEGRATION |
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| E. H. HSU.A NEW EXPERIMENT ON PREPARING 1000 MB AND 500 MB PROGNOSTIC CHARTS BY GRAPHICAL INTEGRATION[J].Acta Meteorologica Sinica,1958,29(3):185-200. |
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| Authors: | E H HSU |
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| Institution: | The University of Nanking |
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| Abstract: | A new method of preparing 1000 mb and 500 mb prognostic charts by graphical integration is proposed. Its main features are:(1) The vertical structure of whole troposphere is taken into consideration. Sawyer-Bushby's model is used in actual computation;but the method can be extended to other models, e.g. Eliassen's model. (2) 500 mb surface is not taken as the. level of non-divergence, which may be placed at other appropriate isobaric surface.The proposed method consists essentially in calculating the height changes of 1000 mb and 500 mb surfaces by means of certain advections on equivalent baroclinic levels defined by Bolin. Some results of the experiment are discussed. |
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