Measurement report: Source apportionment and environmental impacts of volatile organic compounds (VOCs) in Lhasa, a highland city in China
Abstract 3 pollution in the highland city of Lhasa. NOx emissions can amplify the role of volatile organic compounds (VOCs) in the secondary production of O3 under the conditions of high ultraviolet (UV) radiation levels and unfavourable dispersion patterns in the Lhasa River valley. Here, online C2 –C11 VOC measurements, accompanied by other parameters concerning the O3 chemical budget, were first obtained and employed to identify the key VOC species and key sources of VOCs in terms of the loss rate against OH radicals (L OH L OH 3 precursors are mainly from sources associated with residents' lives, except for solvent usage emissions which contribute to aromatics. Preliminary comparisons between source spectrums of transport sector emissions with positive matrix factorization (PMF)-decomposed ones and our measured ones suggest that vehicle emission patterns of VOCs at high altitude generally follow the ground-level impression. More quantitative data are required to further confirm this point though. Emission reduction strategy analysis for O3 pollution control highlighted multiple benefits of the simultaneous reduction in NOx originating from diesel vehicle emissions, biomass burning, and background sources (possibly dominated by incense burning). The notable biogenic emission contribution to the OFP was also first confirmed in our study, and this highlights the side effects of the government's pursuit of a greener city.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Measurement report: Source apportionment and environmental impacts of volatile organic compounds (VOCs) in Lhasa, a highland city in China ; volume:23 ; number:18 ; year:2023 ; pages:10383-10397 ; extent:15
Atmospheric chemistry and physics ; 23, Heft 18 (2023), 10383-10397 (gesamt 15)
- Urheber
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Ye, Chunxiang
Guo, Shuzheng
Lin, Weili
Tian, Fangjie
Wang, Jianshu
Zhang, Chong
Chi, Suzhen
Chen, Yi
Zhang, Yingjie
Zeng, Limin
Li, Xin
Bu, Duo
Zhou, Jiacheng
Zhao, Weixiong
- DOI
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10.5194/acp-23-10383-2023
- URN
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urn:nbn:de:101:1-2023092104270414058243
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:53 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Ye, Chunxiang
- Guo, Shuzheng
- Lin, Weili
- Tian, Fangjie
- Wang, Jianshu
- Zhang, Chong
- Chi, Suzhen
- Chen, Yi
- Zhang, Yingjie
- Zeng, Limin
- Li, Xin
- Bu, Duo
- Zhou, Jiacheng
- Zhao, Weixiong
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