NOx ground concentration at a station at high altitude in relation to cloud-to-ground lightning flashes
文献类型:期刊论文
作者 | Zhou, YJ; Soula, S; Pont, V; Qie, X |
刊名 | ATMOSPHERIC RESEARCH
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出版日期 | 2005-04-01 |
卷号 | 75期号:1-2页码:47-69 |
关键词 | NOx ground concentration cloud-to-ground lightning |
ISSN号 | 0169-8095 |
DOI | 10.1016/j.atmosres.2004.11.001 |
通讯作者 | Zhou, YJ(zhouyj@ns.lzb.ac.cn) |
英文摘要 | Concentrations of both nitrogen oxides (NOx=NO+NO2) observed at a station at high altitude (Puy de Dome (PDD), 1465 m) have been analyzed in relation with the cloud-to-ground (CG) lightning activity provided by the detection network Meteorage. A first analysis of the time series of both types of data issued for 4 months of the 2003 summer shows a good correspondence between high values of NOx and stormy conditions in the area. During this 4-month period, NOx values exceeding 100 mu g m(-3) have been observed on 7 days and all of these days correspond to lightning 2 activity in a 200x200 km(2) area around PDD. Thirty-three days of the period experience lightning activity in this area, and only 14 of these days (42%) correspond to NOx peak values exceeding 50 mu g m(-3). The presence of lightning activity is a necessary condition to have very large peak values of NOx at PDD, but this condition is not sufficient. Two days showed NOx exceeding 300 mu g m(-3) which represents a value between 176 and 270 ppbv according to the respective proportion of NO2 and NO. Six days are analyzed in detail, using other information about the convective system and the wind conditions. The data of urban stations close to PDD have also been considered in the analysis for evaluating the possible transport by a plume from a city area. These days include the higher NOx cases. cases with high lightning activity, and cases with remote lightning activity. Oil each of these days, the location of the CG flashes, the time delays between lightning activity and NOx increase, and the air flow seem consistent with ail interpretation of NOx produced by lightning. The higher values of NOx correspond with close and stationary thunderstorms which produced large proportions of positive CG flashes with low wind conditions. However, the characteristic increase seems to depend on several parameters of the CG flashes: their rate, location, and polarity. By comparing with the values given by other authors for aircraft measurements at altitude, our observations indicate that large quantities of NOx could be produced by the CG flash processes. (c) 2004 Elsevier B.V. All rights reserved. |
收录类别 | SCI |
WOS关键词 | UPPER TROPOSPHERE ; DETECTION NETWORK ; THUNDERSTORMS ; NITROGEN ; OZONE |
WOS研究方向 | Meteorology & Atmospheric Sciences |
WOS类目 | Meteorology & Atmospheric Sciences |
语种 | 英语 |
WOS记录号 | WOS:000228344000003 |
出版者 | ELSEVIER SCIENCE INC |
URI标识 | http://www.irgrid.ac.cn/handle/1471x/2555717 |
专题 | 寒区旱区环境与工程研究所 |
通讯作者 | Zhou, YJ |
作者单位 | 1.Chinese Acad Sci, Cold & Arid Reg Environm, Engn Res Inst, Lanzhou 730000, Peoples R China 2.UPS, UMR 5560, Lab Aerol, CNRS, F-34100 Montpellier, France |
推荐引用方式 GB/T 7714 | Zhou, YJ,Soula, S,Pont, V,et al. NOx ground concentration at a station at high altitude in relation to cloud-to-ground lightning flashes[J]. ATMOSPHERIC RESEARCH,2005,75(1-2):47-69. |
APA | Zhou, YJ,Soula, S,Pont, V,&Qie, X.(2005).NOx ground concentration at a station at high altitude in relation to cloud-to-ground lightning flashes.ATMOSPHERIC RESEARCH,75(1-2),47-69. |
MLA | Zhou, YJ,et al."NOx ground concentration at a station at high altitude in relation to cloud-to-ground lightning flashes".ATMOSPHERIC RESEARCH 75.1-2(2005):47-69. |
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来源:寒区旱区环境与工程研究所
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