Origin and radiative forcing of black carbon aerosol: Production and consumption perspectives

Meng, Jing, Liu, Junfeng, Yi, Kan, Yang, Haozhe, Guan, Dabo, Liu, Zhu, Zhang, Jiachen, Ou, Jiamin, Dorling, Stephen, Mi, Zhifu, Shen, Huizhong, Zhong, Qirui and Tao, Shu (2018) Origin and radiative forcing of black carbon aerosol: Production and consumption perspectives. Environmental Science & Technology, 52 (11). pp. 6380-6389. ISSN 0013-936X

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Air pollution, a threat to air quality and human health, has attracted ever-increasing attention in recent years. In addition to having local influence, air pollutants can also travel the globe via atmospheric circulation and international trade. Black carbon (BC), emitted from incomplete combustion, is a unique but representative particulate pollutant. This study tracked down the BC aerosol and its direct radiative forcing to the emission sources and final consumers using the global chemical transport model (MOZART-4), the rapid radiative transfer model for general circulation simulations (RRTM), and a multiregional input–output analysis (MRIO). BC was physically transported (i.e., atmospheric transport) from western to eastern countries in the midlatitude westerlies, but its magnitude is near an order of magnitude higher if the virtual flow embodied in international trade is considered. The transboundary effects on East and South Asia by other regions increased from about 3% (physical transport only) to 10% when considering both physical and virtual transport. The influence efficiency on East Asia was also large because of the comparatively large emission intensity and emission-intensive exports (e.g., machinery and equipment). The radiative forcing in Africa imposed by consumption from Europe, North America, and East Asia (0.01 Wm–2) was even larger than the total forcing in North America. Understanding the supply chain and incorporating both atmospheric and virtual transport may improve multilateral cooperation on air pollutant mitigation both domestically and internationally.

Item Type: Article
Uncontrolled Keywords: sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School: Faculty of Social Sciences > School of Global Development (formerly School of International Development)
Faculty of Science > School of Environmental Sciences
University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups: Faculty of Social Sciences > Research Centres > Water Security Research Centre
Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Depositing User: LivePure Connector
Date Deposited: 11 Dec 2018 13:30
Last Modified: 20 Mar 2023 12:39
URI: https://ueaeprints.uea.ac.uk/id/eprint/69269
DOI: 10.1021/acs.est.8b01873

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