The Contribution of Carbonaceous Aerosols to Air Pollution and Excess Mortality in Europe
Environmental Sciences Proceedings(2023)
摘要
Air pollution is an important environmental risk factor associated with increased morbidity and excess mortality. Fine particulate matter (PM2.5) is a complex mixture of both organic and inorganic compounds, depending on emissions sources and atmospheric chemistry. According to toxicological studies, there is strong evidence that anthropogenic carbonaceous aerosols, especially those emitted from combustion sources, are more hazardous to human health than other types of fine particles. In this study, we use WRF-Chem to simulate PM2.5 and the carbonaceous sub-components (black carbon and organics from anthropogenic sources) over Europe. The excess mortality attributed to long-term exposure to these particles is quantified using the MR-BRT (meta-Regression–Bayesian, regularized, trimmed) and the Global Exposure Mortality Model (GEMM) exposure–response functions to assess the public health outcomes. Differential toxicity of carbonaceous aerosols is assumed to account for their potentially more pronounced effect on excess mortality.
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关键词
air pollution,PM2.5,black carbon,organic aerosols,health,mortality
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