| 河套华北地区旱涝的前期环流异常与大西洋海温的关系及其数值模拟 |
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| 引用本文： | 陈晓光,徐祥德,朱乾根. 河套华北地区旱涝的前期环流异常与大西洋海温的关系及其数值模拟[J]. 气象学报, 1996, 54(1): 102-107 |
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| 作者姓名： | 陈晓光 徐祥德 朱乾根 |
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| 作者单位： | 宁夏气象台，中国气象科学研究院，南京气象学院 |
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| 基金项目： | 宁夏回族自治区科委资助 |
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| 摘 要： | 首先分析了河套华北地区旱涝的前期异常环流，然后探讨了这种异常环流形成的机制，最后采用了ＯＳＵ－ＡＧＣＭ作了大西洋地区热源异常强迫的数值试验。结果表明，大西洋地区海温异常强迫激发的定常波向上、下游的能量传播，造成的前期秋冬季环流异常与河套华北地区的夏季旱涝有较好的对应关系。
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| 关 键 词： | 河套华北地区，夏季旱涝，大西洋海温异常 |
| 收稿时间： | 1992-08-28 |
| 修稿时间： | 1993-10-15 |
THE NUMERICAL EXPERIMENT ON EFFECT OF ATLANTIC HEATING AND THE RELATIONSHIP BETWEEN THE ABNORMAL CIRCULATION OF PRECEDING STAGE ON THE DROUGHT AND FLOOD IN THE HETAO HUABEI REGION AND ATLANTIC SSTA |
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| Chen Xiaoguang,Xu Xiangde and Zhu Qiangen. THE NUMERICAL EXPERIMENT ON EFFECT OF ATLANTIC HEATING AND THE RELATIONSHIP BETWEEN THE ABNORMAL CIRCULATION OF PRECEDING STAGE ON THE DROUGHT AND FLOOD IN THE HETAO HUABEI REGION AND ATLANTIC SSTA[J]. Acta Meteorologica Sinica, 1996, 54(1): 102-107 |
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| Authors: | Chen Xiaoguang Xu Xiangde Zhu Qiangen |
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| Affiliation: | Ningxia Meteorological Observatory, Yinchuan, 750002;Chinese Academy of Meteorological Sciences, Beijing, 100081;Nanjing Meteorolegy Institute, Nanjing, 210044 |
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| Abstract: | n this paper. we analyze the abnormal circulation of preceding stage on the drought and flood in summer over the Hetao Huabei region, and present an attempt to explore the forming mechanism of this abnormal circulation. and make the numerical experiment on effect of Atlantic heating with OSU-AGCM. The results show that the abnormal circulation of prceding stage in autumn and winter agree roughly with the drought and flood over the area in summer. The abnormal circulation is formed by the energy propagation to upstream-downstream of the stationary waves that is forced by the action of Atlantic SST anomaly. |
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| Keywords: | Hetao Huabei region. Drought and flood in summer. Atlantic SST anomaly. |
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