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高原气象  1996, Vol. 15 Issue (4): 496-502    
论文     
青藏高原温度场与贵州干旱的联系
方之芳, 李超, 李贤琅
成都气象学院, 四川省成都市 610041
THE RELATIONSHIP BETWEEN THE QINGHAIXIZANG PLATEAU TEMPERATURE FIELD AND DROUGHT IN GUIZHOU PROVINCE
FANG Zhifang, LI Chao, LI Xianlang
Chengdu Institute of Meteorology, Chengdu, Sichuan 610041
 全文: PDF(266 KB)   HTML
摘要: 应用SVD等统计方法,探讨高原温度场与贵州春、夏旱的联系。分析表明,贵州春旱分布特征是以西部为中心,向东减少;夏旱以中、东部为中心。高原前一年3、9和11月大范围温度异常分别对春、夏旱的分布预报有相当高的统计相关,可作为预报参考因子。贵州夏旱的形成与高原异常增温、高原暖高压的辐散下沉气流和下坡地形等有关。
关键词: 青藏高原温度贵州干旱    
Abstract: The relationship between the Qinghai-Xizang Plateau temperature and the drought in Guizhou province during spring and summer are investigated using Singular Value Decomposition(SVD) of temporal covariance matrix.It is shown that the spring drought center is located in the west of Guizhou province,the summer center is located in the east and middle of the Guizhou province.When there is the large temperature anomalous area in the Qinghai-Xizang Plateau during March or September,it would forecast the spring drought area of Guizhou in next year.The large area for temperature anomalies of the Plateau in November could forecast the summer drought area for Guizhou province in next year.When the large temperature anomalies appear in Plateau during summer,the Plateau Warm High Pressure will cause the air divergence and sinking motion around the Plateau,this would be areason of summer drought in Guizhou province.
Key words: Qinghai-Xizang Plateau    Temperature    Drought in Guizhou
收稿日期: 1996-01-12 出版日期: 1996-12-24
:  P456.3  
基金资助: 贵州省"八五"重点科技攻关项目"贵州省春旱、夏旱、倒春旱、秋风冷害灾害天气中长期预测预报及其防御措施的研究"和四川省科委应用基础研究项目"青藏高原雪盖与四川汛期旱涝的联系及预报意义"的资助
作者简介: 方之芳,女,52岁,硕士,毕业于南京气象学院气象系气候专业,教授
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引用本文:

方之芳, 李超, 李贤琅. 青藏高原温度场与贵州干旱的联系[J]. 高原气象, 1996, 15(4): 496-502.

FANG Zhifang, LI Chao, LI Xianlang. THE RELATIONSHIP BETWEEN THE QINGHAIXIZANG PLATEAU TEMPERATURE FIELD AND DROUGHT IN GUIZHOU PROVINCE. PLATEAU METEOROLOGY, 1996, 15(4): 496-502.

链接本文:

http://www.gyqx.ac.cn/CN/        http://www.gyqx.ac.cn/CN/Y1996/V15/I4/496

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