Measurement report: Production and loss of atmospheric formaldehyde at a suburban site of Shanghai in summertime
Yizhen Wu,Juntao Huo,Gan Yang,Yuwei Wang,Lihong Wang,Shijian Wu,Lei Yao,Qingyan Fu,and Lin Wang
Yizhen Wu
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP³), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Juntao Huo
Shanghai Environmental Monitoring Center, Shanghai 200030, China
Gan Yang
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP³), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Yuwei Wang
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP³), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Lihong Wang
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP³), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Shijian Wu
Shanghai Environmental Monitoring Center, Shanghai 200030, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP³), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP³), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Collaborative Innovation Center of Climate Change, Nanjing 210023,
China
Shanghai Institute of Pollution Control and Ecological Security,
Shanghai 200092, China
IRDR International Center of Excellence on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan
University, Shanghai 200438, China
National Observations and Research Station for Wetland Ecosystems
of the Yangtze Estuary, Shanghai, China
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Based on a field campaign in a suburban area of Shanghai during summer 2021, we calculated formaldehyde (HCHO) production rates from 24 volatile organic compounds (VOCs). In addition, HCHO photolysis, reactions with OH radicals, and dry deposition were considered for the estimation of HCHO loss rates. Our results reveal the key precursors of HCHO and suggest that HCHO wet deposition may be an important loss term on cloudy and rainy days, which needs to be further investigated.
Based on a field campaign in a suburban area of Shanghai during summer 2021, we calculated...
