Influence of Biomass Burning in South Asia on Lower Tropospheric Ozone Concentration over Kunming

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Influence of Biomass Burning in South Asia on Lower Tropospheric Ozone Concentration over Kunming

ZHENG Yongguang¹, CHEN Jiong^1,5, ZHU Peijun², CHAN Loyin³, CHAN Chuenyu³, QIN Yu⁴

¹National Meteorological Center, Beijing, 100081; ²Department of Earth Sciences, College of Science, Zhejiang University, Hangzhou, 310027; ³Center of Urban Environmental Technology and Management, Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong;⁴Department of Atmospheric Science, School of Physics, Peking University, Beijing, 100871; ⁵Corresponding Author,E-mail:cjiong@cma.gov.cn

Received:2006-04-02 Online:2007-05-20 Published:2007-05-20

南亚地区生物体燃烧对昆明地区对流层中下层臭氧浓度的影响

郑永光¹,陈炯^{1, 5},朱佩君²,陈鲁言³,陈尊裕³,秦瑜⁴

¹国家气象中心,北京,100081; ²浙江大学地球科学系,杭州,310027; ³香港理工大学土木与结构工程学系,香港九龙;　⁴北京大学物理学院大气科学系,北京,100871; ⁵通讯作者,E-mail:cjiong@cma.gov.cn

Abstract

Abstract: Ozone enhancement was observed in the lower troposphere over Kunming on 21 March 2001 using electrochemical concentration cell ozonesondes. The influence of the biomass burning in South Asia on ozone concentration in the lower troposphere over Kunming is analyzed, based on NCEP reanalysis, Total Column Ozone, numerical simulation of MM5, AI from TOMS, and aerosol optical depths from MODIS. It is shown that the enhancement of ozone in the lower troposphere over Kunming is due to biomass burning emissions in South Asia. TOMS AI images and the atmospheric background circulations suggest that biomass burning plumes in South Asia are transported to Kunming and cause the enhancement of ozone concentrations in the lower troposphere.

Key words: ozone, Kunming, South Asia, biomass burning

摘要： 2001-03-21在昆明用电化学臭氧探空仪探测到了对流层低层异常的高浓度臭氧分布。这个个例中昆明对流层低层异常的高浓度臭氧分布特征不同于2001-03-08的昆明个例。使用NCEP分析资料、中尺度数值模式MM5模拟的大气环流数据、卫星观测的东南亚地区的生物体燃烧状况、气溶胶指数等资料,分析了这段时间的天气形势、大气环流、空气块后向轨迹以及生物体燃烧产生的烟尘轨迹,结果发现高浓度的臭氧空气来源于有生物体燃烧的南亚地区。这与以往研究中东南亚地区生物体燃烧导致华南地区对流层低层臭氧浓度异常增高有所不同。

关键词: 臭氧, 昆明, 南亚, 生物体燃烧

CLC Number:

X131.1

ZHENG Yongguang,CHEN Jiong,ZHU Peijun,CHAN Loyin,CHAN Chuenyu,QIN Yu. Influence of Biomass Burning in South Asia on Lower Tropospheric Ozone Concentration over Kunming[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

郑永光,陈炯,朱佩君,陈鲁言,陈尊裕,秦瑜. 南亚地区生物体燃烧对昆明地区对流层中下层臭氧浓度的影响[J]. 北京大学学报（自然科学版）.

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Influence of Biomass Burning in South Asia on Lower Tropospheric Ozone Concentration over Kunming

南亚地区生物体燃烧对昆明地区对流层中下层臭氧浓度的影响

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