| 冬季北半球10hPa爆发性增温过程的诊断分析 |
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| 引用本文： | 王玉佩,李维京.冬季北半球10hPa爆发性增温过程的诊断分析[J].高原气象,1991,10(2):202-208. |
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| 作者姓名： | 王玉佩 李维京 |
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| 作者单位： | 中国科学院兰州高原大气物理研究所 甘肃省兰州市
(王玉佩)，兰州大学大气科学系 甘肃省兰州市(李维京) |
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| 摘 要： |
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| 关 键 词： | 大气 平流层 热力学 增温过程 |
THE DIAGNOSTIC ANALYSIS OF THE SUDDEN WARMING PROCESS IN NORTHERN HEMISPHERE AT 10 hPa IN WINTER |
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| Wang Yupei.THE DIAGNOSTIC ANALYSIS OF THE SUDDEN WARMING PROCESS IN NORTHERN HEMISPHERE AT 10 hPa IN WINTER[J].Plateau Meteorology,1991,10(2):202-208. |
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| Authors: | Wang Yupei |
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| Abstract: | The study shows that the sudden warming at 10 hPa is a result of the horizontal transfer of the warm air from the lower latitude in Asia and Africa to the higher latitude and northern polar region.
The special divergence field under the double polar circulation at 10 hPa is the thermodynamical processes of the strengthening of the warm advection transfer and sudden warming. The geostrophic wind convergence is the dynamic processes of the increase of warm air and the development of the anticyclonic circulation. They are the source of the forced oscillation of the circulation anomaly occurred in stratosphere in winter and the establishment of east wind circulation in Polar Highs. |
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| Keywords: | Sudden warming in stratosphere The source of thermodynamical and dynamic forced oscillation Double polar circulation Convergence and divergence Advection transfer |
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