气候变化领域集成服务门户(CCPortal): Source-receptor relationships for atmospheric mercury deposition in the context of global change

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DOI	10.1016/j.atmosenv.2021.118349
	Source-receptor relationships for atmospheric mercury deposition in the context of global change
	Zhang H.; Wu S.; Leibensperger E.M.
发表日期	2021
ISSN	1352-2310
卷号	254
英文摘要	There have been growing concerns about mercury pollution in the global environment and better understanding of the source-receptor relationships for mercury deposition in the context of global change is greatly needed. We use a global 3-D chemical transport model (GEOS-Chem) to examine the source-receptor relationships between various regions as well as the impacts from changes in anthropogenic emissions, climate, land use and land cover. Through an extensive set of sensitivity simulations, we quantify the relative contributions from various sources (such as domestic vs. foreign anthropogenic sources; anthropogenic vs. natural sources) to total mercury deposition in specific receptor regions (East Asia, South Asia, Europe, North America, and the Laurentian Great Lakes). Under the 2050 A1B emission scenario (the higher emission scenario with fast economic growth and balanced emphasis on all energy sources), the relative contributions from anthropogenic emissions to total mercury deposition for each receptor region are calculated to increase in general, while the relative contributions from ocean and terrestrial sources are found to decrease. On the other hand, with the 2050 B1 emission scenario (the lower emission scenario with rapid introduction of clean energy and resource-efficient technologies), we find the changes in the relative contributions from anthropogenic emissions show different signs over different regions, reflecting the divergent trends in future anthropogenic emissions (notably, emissions increase in South Asia and decrease in East Asia). Compared to the impacts of anthropogenic emissions on the source-receptor relationships of mercury deposition, the impacts from changes in climate and land use/land cover are generally smaller in magnitudes but show stronger spatial variations. © 2021 Elsevier Ltd
关键词	Atmospheric mercury deposition Climate change Land use and land cover change Mercury emission change
语种	英语
scopus关键词	Atmospheric chemistry; Climate models; Deposition; Economics; Forestry; Land use; Meteorological problems; Anthropogenic emissions; Atmospheric mercury deposition; Emission scenario; Global change; Land use and land cover change; Mercury depositions; Mercury emission change; Relative contribution; Source-receptor relationships; Total mercuries; Climate change; mercury; anthropogenic source; climate change; economic growth; emission; global change; land cover; land use change; mercury (element); spatial analysis; spatial variation; Article; atmospheric deposition; climate change; controlled study; dry deposition; economic development; global change; land use; priority journal; seasonal variation; United States; Europe; Far East; Great Lakes [North America]; South Asia
来源期刊	ATMOSPHERIC ENVIRONMENT
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/248460
作者单位	Geological and Mining Engineering and Science Department, Michigan Technological University, Houghton, MI, United States; Civil and Environmental Engineering Department, Michigan Technological University, Houghton, MI, United States; Center for Earth and Environmental Science, SUNY Plattsburgh, Plattsburgh, NY, United States
推荐引用方式 GB/T 7714	Zhang H.,Wu S.,Leibensperger E.M.. Source-receptor relationships for atmospheric mercury deposition in the context of global change[J],2021,254.
APA	Zhang H.,Wu S.,&Leibensperger E.M..(2021).Source-receptor relationships for atmospheric mercury deposition in the context of global change.ATMOSPHERIC ENVIRONMENT,254.
MLA	Zhang H.,et al."Source-receptor relationships for atmospheric mercury deposition in the context of global change".ATMOSPHERIC ENVIRONMENT 254(2021).