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首页> 外文期刊>Environmental Science & Technology: ES&T >Global Emissions of Hydrogen Chloride and Particulate Chloride from Continental Sources
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Global Emissions of Hydrogen Chloride and Particulate Chloride from Continental Sources

机译：Global Emissions of Hydrogen Chloride and Particulate Chloride from Continental Sources

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摘要

Gaseous and particulate chlorine species play an important role in modulating tropospheric oxidation capacity, aerosol water uptake, visibility degradation, and human health. The lack of recent global continental chlorine emissions has hindered modeling studies of the role of chlorine in the atmosphere. Here, we develop a comprehensive global emission inventory of gaseous HCl and particulate Cl- (pCl), including 35 sources categorized in six source sectors based on published up-to-date activity data and emission factors. These emissions are gridded at a spatial resolution of 0.1 degrees x 0.1 degrees for the years 1960 to 2014. The estimated emissions of HCl and pCl in 2014 are 2354 (1661-3201) and 2321 (930-3264) Gg Cl a-1, respectively. Emissions of HCl are mostly from open waste burning (38), open biomass burning (19), energy (19), and residential (13) sectors, and the major sources classified by fuel type are combustion of waste (43), biomass (32), and coal (25). Emissions of pCl are mostly from biofuel (29) and open biomass burning processes (44). The sectoral and spatial distributions of HCl and pCl emissions are very heterogeneous along the study period, and the temporal trends are mainly driven by the changes in emission factors, energy intensity, economy, and population.

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