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Large-river dominated black carbon flux and budget: A case study of the estuarine-inner shelf of East China Sea, China

文献类型：期刊论文

作者Fang, Yin; Chen, Yingjun; Hu, Limin; Tian, Chongguo; Luo, Yongming; Li, Jun; Zhang, Gan; Zheng, Mei; Lin, Tian
刊名SCIENCE OF THE TOTAL ENVIRONMENT
出版日期2019-02-15
卷号651页码:2489-2496
关键词Carbon cycle Black carbon Riverine discharge Yangtze River East China Sea
ISSN号0048-9697
DOI10.1016/j.scitotenv.2018.10.156
产权排序[Fang, Yin ; Chen, Yingjun] Tongji Univ, Coll Environm Sci & Engn, Key Lab Cities Mitigat & Adaptat Climate Change S, Shanghai 200092, Peoples R China ; [Chen, Yingjun] Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China ; [Hu, Limin] State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China ; [Tian, Chongguo ; Luo, Yongming] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Processes & Ecol Remedia, Yantai 264003, Peoples R China ; [Li, Jun ; Zhang, Gan] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China ; [Zheng, Mei] Peking Univ, Coll Environm Sci & Engn, SKL ESPC & BIC EAST, Beijing 100871, Peoples R China ; [Lin, Tian] Chinese Acad Sci, Guiyang Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Guizhou, Peoples R China
文献子类Article
英文摘要Mobilization of terrestrial-derived and recalcitrant black carbon (BC), including char and soot, from land to ocean exerts a significant influence on the global carbon cycle. This study elaborated the occurrence and spatial distributions of BC, char, and soot concentrations, as well as their burial fluxes, in the estuarine-inner shelf surface sediments of the East China Sea (ECS), an epicontinental sea adjacent to Chinese high-intensity BC emission source regions. Using a combination of BC measurements in the Yangtze River water and coastal ECS aerosol samples, a preliminary BC budget was concurrently constrained. The spatial distribution of char concentrations resembled largely that of BC, but differed significantly fromthat of soot, indicating that char and soot exhibited different geo-chemical behaviors. In contrast to concentrations, BC, char, and soot burial fluxes exhibited highly consistent spatial patterns, and all declined as the distance from the coastline increased. For the coastal ECS, riverine discharge dominated (similar to 92%) the total BC input, with the Yangtze River alone accounting for as high as similar to 72%. The area-integrated sedimentary BC sink flux (630 +/- 728 Gg/yr) in the coastal ECS was equivalent to the total BC influx (670 +/- 153 Gg/yr), which coincided well with the regional sediment budget. This suggested that the terrestrial-derived and recalcitrant BC could be regarded as an alternative geochemical proxy for tracing the sediment source-to-sink processes in this region. Comparisons between BC and co-generated polycyclic aromatic hydrocarbons (PAHs) budgets in the coastal ECS revealed similarities in their input pathways, but dramatic differences in their ultimate fates. Despite these, the ECS estuarine-inner shelf could serve as a major sink of these terrestrial-based materials in the global ocean. (C) 2018 Elsevier B.V. All rights reserved.
WOS关键词POLYCYCLIC AROMATIC-HYDROCARBONS ; THERMAL/OPTICAL REFLECTANCE METHOD ; SURFACE SEDIMENTS ; ELEMENTAL CARBON ; ORGANIC-CARBON ; ATMOSPHERIC DEPOSITION ; COASTAL SEDIMENTS ; TIBETAN PLATEAU ; MASS INVENTORY ; HUANGHE RIVERS
WOS研究方向Environmental Sciences
语种英语
WOS记录号WOS:000450551600080
资助机构National Natural Science Foundation of China [41703087, 91744203, 41473091, 41430646, 41722603] ; Key Laboratory of Yangtze River Water Environment of Ministry of Education in Tongji University [YRWEF201802] ; Basic Scientific Fund for National Public Research Institutes of China [2017S01] ; Key Laboratory of Coastal Environmental Processes and Ecological Remediation of YICCAS [2016KFJJ04] ; State Key Laboratory of Organic Geochemistry of GIGCAS [SKLOG-201620]
源URL[http://ir.yic.ac.cn/handle/133337/24635]  
专题烟台海岸带研究所_近岸生态与环境实验室
烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
作者单位1.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China;
2.Tongji Univ, Coll Environm Sci & Engn, Key Lab Cities Mitigat & Adaptat Climate Change S, Shanghai 200092, Peoples R China;
3.Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China;
4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Processes & Ecol Remedia, Yantai 264003, Peoples R China;
5.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China;
6.Peking Univ, Coll Environm Sci & Engn, SKL ESPC & BIC EAST, Beijing 100871, Peoples R China;
7.Chinese Acad Sci, Guiyang Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Guizhou, Peoples R China
推荐引用方式
GB/T 7714		 Fang, Yin,Chen, Yingjun,Hu, Limin,et al. Large-river dominated black carbon flux and budget: A case study of the estuarine-inner shelf of East China Sea, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,651:2489-2496.
APA Fang, Yin.,Chen, Yingjun.,Hu, Limin.,Tian, Chongguo.,Luo, Yongming.,...&Lin, Tian.(2019).Large-river dominated black carbon flux and budget: A case study of the estuarine-inner shelf of East China Sea, China.SCIENCE OF THE TOTAL ENVIRONMENT,651,2489-2496.
MLA Fang, Yin,et al."Large-river dominated black carbon flux and budget: A case study of the estuarine-inner shelf of East China Sea, China".SCIENCE OF THE TOTAL ENVIRONMENT 651(2019):2489-2496.

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来源：烟台海岸带研究所

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