Interpretation of NO3–N2O5 observation via steady state in high-aerosol air mass: the impact of equilibrium coefficient in ambient conditions
Xiaorui Chen,Haichao Wang,and Keding Lu
Xiaorui Chen
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, Beijing, China
School of Atmospheric Sciences, Sun Yat-sen University, Zhuhai,
519082, China
Guangdong Provincial Observation and Research Station for Climate
Environment and Air Quality Change in the Pearl River Estuary, Key
Laboratory of Tropical Atmosphere-Ocean System, Ministry of Education,
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai),
Zhuhai, 519082, China
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, Beijing, China
The State Environmental Protection Key Laboratory of Atmospheric Ozone Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, China
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We use a complete set of simulations to evaluate whether equilibrium and steady state are appropriate for a chemical system involving several reactive nitrogen-containing species (NO2, NO3, and N2O5) under various conditions. A previously neglected bias for the coefficient applied for interpreting their effects is disclosed, and the relevant ambient factors are examined. We therefore provide a good solution to an accurate representation of nighttime chemistry in high-aerosol areas.
We use a complete set of simulations to evaluate whether equilibrium and steady state are...
