Ship Emissions as the Largest Contributor to Coastal Atmospheric Black Carbon at a Receptor Island in Southern China

doi:10.1021/acs.estlett.4c00362

	Ship Emissions as the Largest Contributor to Coastal Atmospheric Black Carbon at a Receptor Island in Southern China
	Geng, Xiaofei 1,2,3; Li, Jun 1,2,3; Zhong, Guangcai 1,2,3; Zhao, Shizhen 1,2,3; Tian, Chongguo4 ; Zhang, Yan-Lin 5; Zhang, Gan 1,2,3
发表期刊	ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
ISSN	2328-8930
	2024-06-13
页码	7
关键词	black carbon (BC) char-BC soot-BC ship emissions coastal aerosols sources
DOI	10.1021/acs.estlett.4c00362
通讯作者	Zhang, Gan([email protected])
英文摘要	Atmospheric black carbon (BC) over coastal regions poses a threat in terms of both climate change and human health. However, the provenance of aerosol BC, particularly its subfractions (char-BC and soot-BC, which have different physicochemical properties), is poorly constrained. Here, we apportioned the sources of char-BC and soot-BC in year-round PM2.5 samples from a coastal receptor island off southern China. Char-BC dominated, accounting for 88.6 +/- 13.2% of the total BC. The two BC subfractions exhibited distinct seasonal variation patterns, which may be attributed to differences in their sources and hydrophilicity. Combustion of liquid fossil fuels, including bunker fuel, diesel, and gasoline, contributed more highly to soot-BC (71.4%) than to char-BC (53.9%). Conversely, combustion of solid fuels, including biomass and coal, contributed more highly to char-BC (44.6%) than to soot-BC (6.7%). Bunker fuel combustion, the dominant portion of ship emissions, was the largest contributor to total BC (46.0%), char-BC (45.2%), and soot-BC (56.4%). This indicates that marine ship emissions, rather than land-based sources including biomass and coal combustion, were the dominant source of atmospheric BC in coastal areas, highlighting the importance of controlling maritime ship emissions.
资助机构	National Natural Science Foundation of China ; National Natural Science Foundation of China ; Alliance of International Science Organizations ; Youth Innovation Promotion Association of CAS ; China Postdoctoral Science Foundation ; NASA's Earth Observing System Data and Information System (EOSDIS)
收录类别	SCI
语种	英语
关键词[WOS]	MOLECULAR MARKER ; ORGANIC AEROSOL ; BIOMASS ; SEA ; OUTFLOW ; TRACERS ; VESSELS ; EXHAUST ; METHANE ; METALS
研究领域[WOS]	Engineering ; Environmental Sciences & Ecology
WOS记录号	WOS:001247368400001
引用统计
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/35921
专题	中国科学院海岸带环境过程与生态修复重点实验室中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
通讯作者	Zhang, Gan
作者单位	1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China 2.Guangdong Hong Kong Macao Joint Lab Environm Pollu, Guangzhou 510640, Peoples R China 3.Guangdong Prov Key Lab Environm Protect & Resource, Guangzhou 510640, Peoples R China 4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China 5.Nanjing Univ Informat Sci & Technol, Yale NUIST Ctr Atmospher Environm, Nanjing 214111, Peoples R China
推荐引用方式 GB/T 7714	Geng, Xiaofei,Li, Jun,Zhong, Guangcai,et al. Ship Emissions as the Largest Contributor to Coastal Atmospheric Black Carbon at a Receptor Island in Southern China[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS,2024:7.
APA	Geng, Xiaofei.,Li, Jun.,Zhong, Guangcai.,Zhao, Shizhen.,Tian, Chongguo.,...&Zhang, Gan.(2024).Ship Emissions as the Largest Contributor to Coastal Atmospheric Black Carbon at a Receptor Island in Southern China.ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS,7.
MLA	Geng, Xiaofei,et al."Ship Emissions as the Largest Contributor to Coastal Atmospheric Black Carbon at a Receptor Island in Southern China".ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS (2024):7.