| 云南5月降雨量与前期季节内振荡活动相互关系的分析研究 |
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| 引用本文： | 肖子牛,温敏.云南5月降雨量与前期季节内振荡活动相互关系的分析研究[J].大气科学,1999,23(2):177-183. |
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| 作者姓名： | 肖子牛 温敏 |
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| 作者单位： | 云南省气象台,昆明 650034 |
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| 基金项目： | 本研究得到云南“九五”攻关气候预测专题01-02课题及云南省学科带头人后备人才培养基金的资助 |
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| 摘 要： | 云南地处低纬高原，受南亚季风影响，其5月降雨量的多寡基本表征了这一地区雨季开始的早晚，对该地区的农业生产有着重要的影响，本文利用TBB（黑体辐射温度）资料及云南地区的降水资料，分析研究了该地区5月降雨量与前期印度洋赤道地区季节内振荡活动的关系。分析结果表明，冬季印度洋赤道地区季节内振荡活动的强弱与次年5月云南地区的降雨量有着密切的联系，即，当冬季印度洋赤道地区季节内振荡活动较强时，次年云南地区5月降雨量较常年偏多；反之，则偏少。
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| 关 键 词： | 降雨量 季节内振荡 黑体辐射温度 |
Relation between the Precipitation of Yunnan in May and Intraseasonal Oscillation before May |
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| Xiao Ziniu and Wen Min.Relation between the Precipitation of Yunnan in May and Intraseasonal Oscillation before May[J].Chinese Journal of Atmospheric Sciences,1999,23(2):177-183. |
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| Authors: | Xiao Ziniu and Wen Min |
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| Abstract: | The precipitation of Yunnan in May;; which is influenced by the South Asian monsoon andconnected with the time of its raining season beginning;; is important for the local agriculture. Based onblack body temporature (TBB) data and Yunnan precipitation data;; the relation between Yunnan pre-cipitation in May and intraseasonal oscillation of the equatorial Indian Ocean before May is discussed.Results show that the intensity of the equatorial Indian Ocean intraseasonal oscillation in winter has aclose relation to Yunnan precipitation in May: when the oscillation is strong (week);; the precipitation ismore (less) than usual. |
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| Keywords: | precipitation intraseasonal oscillation black body temperature |
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