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In Vivo Assessment of Alveolar Macrophage Efferocytosis Following Ozone Exposure
Published on: October 22, 2019
Meteorological and socioeconomic impacts on ozone in China: Past and future analysis
Yinchen Chen1,2, Zunli Dai1, Xiaohong Wang1
1College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
Abstract:
This study examines seasonal ozone (O3) dynamics across China using a random forest model with partial dependence plots. Daily monitoring and ERA5 reanalysis data for 2015-2020, combined with CMIP6 projections to 2100, quantify the marginal effects of meteorology, socioeconomic factors, and O3 precursors on O3 changes. Warm-season O3 peaks mainly north of 30°N, especially in North China, with surface temperature, relative humidity, and 500-850 hPa winds as dominant drivers. Cold-season patterns differ, reflecting widespread stagnation and reduced solar radiation. Scenario analyses under SSP 1-2.6, SSP 2-4.5, SSP 3-7.0, and SSP 5-8.5 reveal regionally heterogeneous trajectories, with some factors consistently elevating O3 and others mitigating it depending on season and location. These results underscore the need for region-specific controls that integrate evolving climate and socioeconomic pathways and provide an evidence base for adaptive air-quality management and policy.
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