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Characteristics of surface O-3 over Qinghai Lake area in Northeast Tibetan Plateau, China
Shen, ZX (Shen, Zhenxing)[ 1,2 ]; Cao, JJ (Cao, Junji)[ 2 ]; Zhang, LM (Zhang, Leiming)[ 3 ]; Zhao, ZZ (Zhao, Zhuzi)[ 2 ]; Dong, JG (Dong, Jungang)[ 4 ]; Wang, LQ (Wang, Linqing)[ 1 ]; Wang, QY (Wang, Qiyuan)[ 2 ]; Li, GH (Li, Guohui)[ 2 ]; Liu, SX (Liu, Suixin)[ 2 ]; Zhang, Q (Zhang, Qian)[ 1 ]
2014-12-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
Volume500Pages:295-301
Subtype期刊论文
Abstract

Surface 03 was monitored continuously during Aug. 12, 2010 to Jul. 21, 2011 at a high elevation site (3200 m above sea level) in Qinghai Lake area (36 58'37 '' N, 99 degrees 53'56 '' E) in Northeast Tibetan Plateau, China. Daily average O-3 ranged from 21.8 ppbv to 653 ppbv with an annual average of 41.0 ppbv. Seasonal average of O-3 followed a decreasing order of summer > autumn > spring > winter. Diurnal variations of O-3 showed low concentrations during daytime and high concentrations during late night and early morning. An intensive campaign was also conducted during Aug. 13-31, 2010 to investigate correlations between meteorological or chemical conditions and O-3. It was found that O-3 was poorly correlated with solar radiation due to the insufficient NOx in the ambient air, thus limiting O-3 formation under strong solar radiation. In contrast, high O-3 levels always coincided with strong winds, suggesting that stratospheric O-3 and long range transport might be the main sources of O-3 in this rural area. Back-trajectory analysis supported this hypothesis and further indicated the transport of air masses from northwest, northeast and southeast directions.

KeywordHigh Elevation Site Tropospheric O3 Photochemical Production O3 Transport
DOI10.1016/j.scitotenv.2014.08.104
Indexed BySCI ; EI
Language英语
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9776
Collection粉尘与环境研究室
Corresponding AuthorShen, ZX (Shen, Zhenxing)[ 1,2 ]
Affiliation1.Department of Environmental Sciences and Engineering, Xi'an Jiaotong University, Xi'an, China;
2.Key Lab of Aerosol, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China;
3.Air Quality Research Division, Environment Canada, Toronto, Canada;
4.School of Architecture, Xi'an University of Architecture and Technology, Xi'an 710055, China
Recommended Citation
GB/T 7714
Shen, ZX ,Cao, JJ ,Zhang, LM ,et al. Characteristics of surface O-3 over Qinghai Lake area in Northeast Tibetan Plateau, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2014,500:295-301.
APA Shen, ZX .,Cao, JJ .,Zhang, LM .,Zhao, ZZ .,Dong, JG .,...&Zhang, Q .(2014).Characteristics of surface O-3 over Qinghai Lake area in Northeast Tibetan Plateau, China.SCIENCE OF THE TOTAL ENVIRONMENT,500,295-301.
MLA Shen, ZX ,et al."Characteristics of surface O-3 over Qinghai Lake area in Northeast Tibetan Plateau, China".SCIENCE OF THE TOTAL ENVIRONMENT 500(2014):295-301.
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