| 青藏高原臭氧低值中心的变化与我国气候的关系 |
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| 引用本文： | 周任君,陈月娟.青藏高原臭氧低值中心的变化与我国气候的关系[J].大气科学,2007,31(3):479-485. |
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| 作者姓名： | 周任君 陈月娟 |
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| 作者单位： | 1.中国科学技术大学地球和空间科学学院,合肥, 230026;中国科学院大气物理研究所大气科学和地球流体力学数值模拟国家重点实验室,北京,100029 |
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| 摘 要： | 利用NCEP/NCAR再分析资料、GPCP降水资料以及我国160个台站的降水资料, 研究了青藏高原臭氧低值中心偏强年和偏弱年的气候差异。结果表明，5～7月平均的青藏高原臭氧总量变化与我国当年夏季、冬季以及第二年春季的气温和降水等有明显的相关关系:在臭氧低值中心偏强年夏季, 中国绝大部分地区地面气温比多年平均偏高, 长江以南地区降水偏多, 长江以北大部分地区降水偏少, 尤其是长江中下游和黄河中下游之间的地面降水偏少特别明显。在臭氧低值中心偏强年冬季和次年春季, 中国大部分地区冬季风比多年平均弱, 使得绝大部分地区地面气温偏高。臭氧低值中心偏弱年的情况基本上与偏强年相反。因此, 青藏高原上空臭氧低值中心的变化在气候预测中是一个值得重视的因子。
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| 关 键 词： | 青藏高原 臭氧低值中心 气候效应 |
| 文章编号： | 1006-9895（2007）03-0479-07 |
| 修稿时间： | 2005-12-052006-02-16 |
Effects of Variation of Low Ozone Center over the Tibetan Plateau on Climate in China |
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| ZHOU Ren-Jun,CHEN Yue-Juan.Effects of Variation of Low Ozone Center over the Tibetan Plateau on Climate in China[J].Chinese Journal of Atmospheric Sciences,2007,31(3):479-485. |
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| Authors: | ZHOU Ren-Jun CHEN Yue-Juan |
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| Institution: | 1.School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026;2.State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029 |
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| Abstract: | Based on the NCEP/NCAR reanalyzed data,the GPCP(Global Precipitation Climatology Project) precipitation data and 160-station observed precipitation data in China,the climatologic differences of the Low Ozone Center(LOC) over the Tibetan Plateau between the strong years and the weak years are analyzed.The results show that the variation of total ozone over the Tibetan Plateau from May to July has an obvious correlation with the temperature and precipitation in the summer and winter of the year and the spring of the next year.When the total ozone over the plateau is less in summer,the surface temperature in most part of China is higher,the precipitation to the south of the Changjiang River is more,and the precipitation to the north of the Changjiang River,especially between the middle and lower reaches of the Changjiang River and the Huanghe River,is obviously less.In winter and the next spring,the winter monsoon is stronger and the surface temperature is higher in most part of China.In the years when the total ozone over the plateau is more,things are opposite.So the variation of LOC over the plateau is worthy of being considered in climatic prediction of China. |
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| Keywords: | the Tibetan Plateau low ozone center climatic effect |
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