Quantitative impacts of vertical transport on the long-term trend of nocturnal ozone increase over the Pearl River Delta region during 2006–2019

Abstract O 3 O 3 O 3 ± d yr - 1, with an average of 58 ± µ g m - 3 for the nocturnal O 3 d yr - 1) and a downward trend thereafter (- d yr - 1), which is consistent with the annual variation of LLJs (r = 0.88, p < 0.01). Although the contribution of convective storms (Conv) to NOI events is relatively small with an average value of 11 %, Conv-induced NOI events steadily increased at a rate of 0.26 d yr - 1 during this 14 year period due to the impact of urbanisation. Seasonally, a relatively higher frequency of NOI events is observed in spring and autumn, which is consistent with the seasonal pattern of LLJs and maximum daily 8 h average (MDA8) O 3 O 3 O 3 O 3 O 3 concentration for the occurrence of NOI events.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Quantitative impacts of vertical transport on the long-term trend of nocturnal ozone increase over the Pearl River Delta region during 2006–2019 ; volume:23 ; number:1 ; year:2023 ; pages:453-469 ; extent:17
Atmospheric chemistry and physics ; 23, Heft 1 (2023), 453-469 (gesamt 17)

Urheber
Wu, Yongkang
Chen, Weihua
You, Yingchang
Xie, Qianqian
Jia, Shiguo
Wang, Xuemei

DOI
10.5194/acp-23-453-2023
URN
urn:nbn:de:101:1-2023011904565402826909
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:26 MESZ

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Beteiligte

  • Wu, Yongkang
  • Chen, Weihua
  • You, Yingchang
  • Xie, Qianqian
  • Jia, Shiguo
  • Wang, Xuemei

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