Temporal Characteristics of Ozone (O 3 ) in the Representative City of the Yangtze River Delta: Explanatory Factors and Sensitivity Analysis

Yu Lu, Zhentao Wu, Xiaobing Pang (), Hai Wu (), Bo Xing, Jingjing Li, Qiaoming Xiang, Jianmeng Chen and Dongfeng Shi
Additional contact information
Yu Lu: College of Environment, Zhejiang University of Technology, Hangzhou 310023, China
Zhentao Wu: College of Environment, Zhejiang University of Technology, Hangzhou 310023, China
Xiaobing Pang: College of Environment, Zhejiang University of Technology, Hangzhou 310023, China
Hai Wu: National Institute of Metrology, Beijing 102200, China
Bo Xing: Shaoxing Ecological and Environmental Monitoring Center of Zhejiang Province, Shaoxing 312000, China
Jingjing Li: Shaoxing Ecological and Environmental Monitoring Center of Zhejiang Province, Shaoxing 312000, China
Qiaoming Xiang: Shaoxing Ecological and Environmental Monitoring Center of Zhejiang Province, Shaoxing 312000, China
Jianmeng Chen: College of Environment, Zhejiang University of Technology, Hangzhou 310023, China
Dongfeng Shi: Hangzhou Xufu Detection Technology Co., Ltd., Hangzhou 310023, China

IJERPH, 2022, vol. 20, issue 1, 1-14

Abstract: Ozone (O 3 ) has attracted considerable attention due to its harmful effects on the ecosystem and human health. The Yangtze River Delta (YRD), China in particular has experienced severe O 3 pollution in recent years. Here, we conducted a long-term observation of O 3 in YRD to reveal its characteristics. The O 3 concentration in autumn was the highest at 72.76 ppb due to photochemical contribution and local convection patterns, with its lowest value of 2.40 ppb in winter. O 3 exhibited strong diurnal variations, showing the highest values in the early afternoon (15:00–16:00) and the minimum in 07:00–08:00, specifically, peroxyacetyl nitrate (PAN) showed similar variations to O 3 but PAN peak usually occurred 1 h earlier than that of O 3 due to PAN photolysis. A generalized additive model indicated that the key factors to O 3 formation were NO 2 , PAN, and temperature. It was found that a certain temperature rise promoted O 3 formation, whereas temperatures above 27 °C inhibited O 3 formation. An observation-based model showed O 3 formation was VOCs-limited in spring and winter, was NO x -limited in summer, and even controlled by both VOCs and NO x in autumn. Thus, prevention and control strategies for O 3 in the YRD are strongly recommended to be variable for each season based on various formation mechanisms.

Keywords: ozone; peroxyacetyl nitrate; temporal variation; GAM; OBM; Yangtze River Delta (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/1660-4601/20/1/168/pdf (application/pdf)
https://www.mdpi.com/1660-4601/20/1/168/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jijerp:v:20:y:2022:i:1:p:168-:d:1011956

Access Statistics for this article

IJERPH is currently edited by Ms. Jenna Liu

More articles in IJERPH from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().