Vertical ozone formation mechanisms driven by deep convection within the boundary layer over the Loess Plateau, China.
Deep convection over the Loess Plateau significantly enhances ozone pollution, with column ozone in the residual layer doubling during pollution episodes.
- Why it matters: Understanding ozone formation under intense solar radiation and deep convective boundary layers is crucial for effective regional air quality management, especially in industrial areas.
- What they did: A 15-day UAV-based observational campaign and box model analysis examined vertical ozone and precursor variations, revealing key drivers of pollution episodes and sensitivity profiles.
- The result: Findings show VOCs, especially aromatics and OVOCs, dominate ozone production, with deep convection facilitating vertical transport and chemical oxidation, informing targeted control strategies.