| 广西1998/1999年秋冬春异常干旱诊断分析 |
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| 引用本文： | 钟利华,周玲萍,况雪源,谢少凤.广西1998/1999年秋冬春异常干旱诊断分析[J].气象研究与应用,1999,20(4):24-28. |
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| 作者姓名： | 钟利华 周玲萍 况雪源 谢少凤 |
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| 作者单位： | 广西区气候中心,广西,南宁,530022 |
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| 摘 要： | 对广西１９９８ 年秋至１９９９ 年春出现的大范围干旱伴高温的异常天气进行了诊断分析， 发现厄尔尼诺与拉尼娜事件是导致广西气候异常的重要气候背景， 入侵广西的冷空气异常偏弱， 高原高度场偏高， 印缅槽偏弱， 副热带高压持续偏强， 热带气旋影响偏少， 强度偏弱， 是导致广西１９９８年秋至１９９９年春罕见的长时间高温、少雨、异常干旱的主要原因。
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| 关 键 词： | 异常干旱 诊断 分析 |
| 修稿时间： | 1999-08-02 |
Diagnostic Analysis of Rare Drought from 1998/1999 Autumn to Winter to Spring in Guangxi |
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| Zhong Lihua,Zhou Lingping,Kuang Xueyuan,Xie Shaofeng.Diagnostic Analysis of Rare Drought from 1998/1999 Autumn to Winter to Spring in Guangxi[J].Journal of Guangxi Meteorology,1999,20(4):24-28. |
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| Authors: | Zhong Lihua Zhou Lingping Kuang Xueyuan Xie Shaofeng |
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| Institution: | Zhong Lihua Zhou Lingping Kuang
Xueyuan Xie Shaofeng
(Guangxi Climate Center,Nanning,Guangxi 530022) |
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| Abstract: | Anomalous extensive drought and megatherm weather from 1998 autumn to 1999 spring is diagnosed,and it is found that El Nino and La Nina events are the important climatic background resulting in anomlous climate in Guangxi.Exceptional weakness of cold air intruding into Guangxi,positive anomalies of the heigh field over the Qinghai-Xizang plateau,weakness of the Indochina trough,a sustained strong subtropical high,and less and weak tropical cyclones influence are main contributing factors to the long sustained megatherm and drought weather from 1998 autumn to 1999 spring in Guangxi. |
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| Keywords: | anomalous drought diagnosis analysis |
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