Significant concentrations of nitryl chloride sustained in the morning: investigations of the causes and impacts on ozone production in a polluted region of northern China

Nitryl chloride (ClNO2) is a dominant source of chlorine radical in polluted environment, and can significantly affect the atmospheric oxidative chemistry. However, the abundance of ClNO2 and its exact role are not fully understood under different environmental conditions. During the summer of 2014,...

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Veröffentlicht in:Atmospheric chemistry and physics 2016-12, Vol.16 (23), p.14959-14977
Hauptverfasser: Tham, Yee Jun, Wang, Zhe, Li, Qinyi, Yun, Hui, Wang, Weihao, Wang, Xinfeng, Xue, Likun, Lu, Keding, Ma, Nan, Bohn, Birger, Li, Xin, Kecorius, Simonas, Größ, Johannes, Shao, Min, Wiedensohler, Alfred, Zhang, Yuanhang, Wang, Tao
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Sprache:eng
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Zusammenfassung:Nitryl chloride (ClNO2) is a dominant source of chlorine radical in polluted environment, and can significantly affect the atmospheric oxidative chemistry. However, the abundance of ClNO2 and its exact role are not fully understood under different environmental conditions. During the summer of 2014, we deployed a chemical ionization mass spectrometer to measure ClNO2 and dinitrogen pentoxide (N2O5) at a rural site in the polluted North China Plain. Elevated mixing ratios of ClNO2 (> 350 pptv) were observed at most of the nights with low levels of N2O5 (
ISSN:1680-7324
1680-7316
1680-7324
DOI:10.5194/acp-16-14959-2016