Role of lightning phenomenon over surface O3 and NOx at a semi-arid tropical site Hyderabad, India: inter-comparison with satellite retrievals

被引：5

作者：

Venkanna, R. ^{[1
]}

Nikhil, G. N. ^{[1
]}

Sinha, P. R. ^{[2
]}

Rao, T. Siva ^{[3
]}

Swamy, Y. V. ^{[1
]}

机构：

[1] Indian Inst Chem Technol, Bioengn & Environm Sci, Hyderabad 500007, Telangana, India

[2] Tata Inst Fundamental Res, Natl Balloon Facil, Hyderabad 500062, Telangana, India

[3] Andhra Univ, Dept Inorgan & Analyt Chem, Coll Sci & Technol, Visakhapatnam 530003, Andhra Pradesh, India

来源：

THEORETICAL AND APPLIED CLIMATOLOGY | 2016年 / 125卷 / 3-4期

关键词：

ELECTRICAL DISCHARGES; NITROGEN-FIXATION; AIR-QUALITY; URBAN SITE; OZONE; EMISSIONS; THUNDERSTORM; IMPACT; OXIDES; MODEL;

D O I：

10.1007/s00704-015-1538-3

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

The influence of lightning over surface-level trace gases was examined for pre-monsoon and monsoon seasons in the year 2012. Lightning events were measured using ground-based electric field monitor (EFM) and space-based lightning imaging sensor (LIS). The results showed that lightning frequency was higher during pre-monsoon period compared to monsoon, which is in good agreement with the satellite retrievals. The increase in concentration of NOx on lightning event led to a subsequent decrease in surface O-3 due to the titration reaction. Source apportionment study of SO2/NOx (S/N) and CO/NOx (C/N) ratios and poor correlation of NOx vs CO and NOx vs SO2 on the lightning day confirmed the emission of NOx from dissimilar sources.

引用

页码：691 / 701

页数：11

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