Interdecadal correlation of solar activity with Tibetan Plateau snow depth and winter atmospheric circulation in East Asia

IMR OpenIR

	Interdecadal correlation of solar activity with Tibetan Plateau snow depth and winter atmospheric circulation in East Asia
其他题名	Interdecadal correlation of solar activity with Tibetan Plateau snow depth and winter atmospheric circulation in East Asia
	Li Zhicai 1; Song Yan 2; Zhang Wei 3; Zhang Jing 4; Xiao Ziniu 5
	2016
发表期刊	寒旱区科学：英文版
ISSN	1674-3822
卷号	8.0 期号:006 页码:524-535
摘要	Studies on the impact of solar activity on climate system are very important in understanding global climate change. Previous studies in this field were mostly focus on temperature, wind and geopotential height. In this paper, interdecadal correlations of solar activity with Winter Snow Depth Index （WSDI） over the Tibetan Plateau, Arctic Oscillation Index （AOI） and the East Asian Winter Monsoon Index （EAWMI） are detected respectively by using Solar Radio Flux （SRF）, Total Solar Irradiance （TSI） and Solar Sunspot Number （SSN） data and statistical methods. Arctic Oscillation and East Asian winter monsoon are typical modes of the East Asian atmospheric circulation. Research results show that on inter-decadal time scale over 11-year solar cycle, the sun modulated changes of winter snow depth over the Tibetan Plateau and East Asian atmospheric circulation. At the fourth lag year, the correlation coefficient of SRF and snow depth is 0.8013 at 0.05 significance level by Monte-Carlo test method. Our study also shows that winter snow depth over the Tibetan Plateau has significant lead and lag correlations with Arctic Oscillation and the East Asian winter monsoon on long time scale. With more snow in winter, the phase of Arctic Oscillation is positive, and East Asian winter monsoon is weak, while with less snow, the parameters are reversed. An example is the winter of 2012/2013, with decreased Tibetan Plateau snow, phase of Arctic Oscillation was negative, and East Asian winter monsoon was strong.
其他摘要	Studies on the impact of solar activity on climate system are very important in understanding global climate change. Previous studies in this field were mostly focus on temperature, wind and geopotential height. In this paper, interdecadal correlations of solar activity with Winter Snow Depth Index （WSDI） over the Tibetan Plateau, Arctic Oscillation Index （AOI） and the East Asian Winter Monsoon Index （EAWMI） are detected respectively by using Solar Radio Flux （SRF）, Total Solar Irradiance （TSI） and Solar Sunspot Number （SSN） data and statistical methods. Arctic Oscillation and East Asian winter monsoon are typical modes of the East Asian atmospheric circulation. Research results show that on inter-decadal time scale over 11-year solar cycle, the sun modulated changes of winter snow depth over the Tibetan Plateau and East Asian atmospheric circulation. At the fourth lag year, the correlation coefficient of SRF and snow depth is 0.8013 at 0.05 significance level by Monte-Carlo test method. Our study also shows that winter snow depth over the Tibetan Plateau has significant lead and lag correlations with Arctic Oscillation and the East Asian winter monsoon on long time scale. With more snow in winter, the phase of Arctic Oscillation is positive, and East Asian winter monsoon is weak, while with less snow, the parameters are reversed. An example is the winter of 2012/2013, with decreased Tibetan Plateau snow, phase of Arctic Oscillation was negative, and East Asian winter monsoon was strong.
关键词	东亚大气环流太阳活动周期东亚冬季风积雪深度西藏高原年代际北极涛动全球气候变化
收录类别	CSCD
语种	中文
CSCD记录号	CSCD:5886550
引用统计	被引频次：1[CSCD] [CSCD记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/156342
专题	中国科学院金属研究所
作者单位	1.Shanxi Climate Centre 2.China Meteorological Administration Training Centre 3.FangShan District Meteorological Service 4.中国科学院金属研究所 5.中国科学院大气物理研究所
推荐引用方式 GB/T 7714	Li Zhicai,Song Yan,Zhang Wei,et al. Interdecadal correlation of solar activity with Tibetan Plateau snow depth and winter atmospheric circulation in East Asia[J]. 寒旱区科学：英文版,2016,8.0(006):524-535.
APA	Li Zhicai,Song Yan,Zhang Wei,Zhang Jing,&Xiao Ziniu.(2016).Interdecadal correlation of solar activity with Tibetan Plateau snow depth and winter atmospheric circulation in East Asia.寒旱区科学：英文版,8.0(006),524-535.
MLA	Li Zhicai,et al."Interdecadal correlation of solar activity with Tibetan Plateau snow depth and winter atmospheric circulation in East Asia".寒旱区科学：英文版 8.0.006(2016):524-535.