| 全球闪电活动与对流层上部NO及O3的相关性分析 |
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| 引用本文： | 陈聪,郭凤霞,鞠晓雨.全球闪电活动与对流层上部NO及O3的相关性分析[J].大气科学学报,2015,38(2):273-278. |
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| 作者姓名： | 陈聪 郭凤霞 鞠晓雨 |
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| 作者单位： | 南京信息工程大学气象灾害预报预警与评估协同创新中心;南京信息工程大学中国气象局气溶胶与云降水重点开放实验室;安徽省防雷中心 |
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| 基金项目： | 国家自然科学基金资助项目(41275008);国家重点基础研究发展计划项目(2014CB441403);公益性行业(气象)科研专项(GYHY201306069);中国气象科学研究院基本科研业务费专项资金(2013Z006) |
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| 摘 要： | 为了解闪电对对流层上部微量气体的贡献,利用全球水资源和气候中心(GHRC)提供的1995年4月—2006年6月的闪电卫星格点资料,以及高层大气研究卫星(UARS)上的卤素掩星试验(HALOE)1991年10月—2005年11月的观测资料,分析了全球闪电与对流层上部NO和O3体积分数的时空分布特征及其相关性。结果表明:全球闪电12、1、2月集中在南半球,6—8月集中在北半球,全球闪电的季节分布与NO、O3类似;NO体积分数在350 h Pa附近达到最大,该高度的南半球NO体积分数变化范围为7×10-12~11×10-12、北半球为3×10-12~17×10-12;450~300 h Pa,北半球夏季O3体积分数呈明显增加趋势,且同一高度上夏季的值比年平均值大25%左右,南半球夏季O3体积分数高于冬季,但差异并不大。结论进一步证明了闪电与对流层上部NO及O3的密切关系,也为研究全球气候变化提供有力证据。
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| 关 键 词： | 闪电 NO O3 对流层上部 |
| 收稿时间： | 2012/4/16 0:00:00 |
| 修稿时间： | 2014/3/15 0:00:00 |
Relationships between global lightning activity and NO and O3 in the upper troposphere |
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| CHEN Cong,GUO Feng-xia and JU Xiao-yu.Relationships between global lightning activity and NO and O3 in the upper troposphere[J].大气科学学报,2015,38(2):273-278. |
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| Authors: | CHEN Cong GUO Feng-xia and JU Xiao-yu |
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| Institution: | CHEN Cong;GUO Feng-xia;JU Xiao-yu;Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,NUIST;Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration,NUIST;Anhui Lightning Protection Center; |
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| Abstract: | In order to understand the effect of lightning on the trace gases in the upper troposphere,this paper studies the spatial and temporal characteristics of NO and O3 volume fraction in the upper troposphere,the global lightning activity,and their relationships.The lightning data from April 1995 to June 2006 and the trace gases data from October 1991 to November 2005 are obtained from Global Hydrology Resource Center(GHRC) and the Halogen Occultation Experiment(HALOE) boarded on the Upper Atmosphere Research Satellite(UARS),respectively.Results show that global lightning concentrates in Southern Hemisphere from December to next February,and in Northern Hemisphere from June to August.Global lightning activity is in agreement with NO and O3 volume fraction in seasonal variations.NO volume fraction reaches the maximum at 350 hPa.At this height,NO volume fraction is from 7×10-12 to 11×10-12 in Southern Hemisphere,while is from 3×10-12 to 17×10-12 in Northern Hemisphere.At the height range from 450 to 300 hPa,O3 volume fraction in Northern Hemisphere in summer increases obviously,which is about 25% more than the annual average.Comparatively,O3 volume fraction in Southern Hemisphere in summer is bigger than that in winter,but the difference is not obvious.All the results prove that there are good relationships between the lightning and NO/O3 in the upper troposphere.It provides powerful evidences on the research of global climate change. |
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| Keywords: | lightning NO O3 upper troposphere |
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