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Constraining Emission Estimates of CFC-11 in Eastern China Based on Local Observations at Surface Stations and Mount Tai

文献类型：期刊论文

作者Huang, Xiaoqing1,2,3,4; Zhang, Yanli1,2,3,4,8; Xue, Likun5; Tang, Jianhui6; Song, Wei1,2,3; Blake, Donald R.7; Wang, Xinming1,2,3,4,8
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
出版日期2021-11-09
卷号8期号:11页码:940-946
ISSN号2328-8930
DOI10.1021/acs.estlett.1c00539
通讯作者Zhang, Yanli(zhang_yl86@gig.ac.cn) ; Wang, Xinming(wangxm@gig.ac.cn)
英文摘要While observations at global background sites in east Asia suggested unexpectedly increased emissions of trichlorofluoromethane (CFC-11) after 2012 in eastern China, particularly in Shandong province, there is a lack of local monitoring data to constrain the emission estimates. Here we report observations of ambient CFC-11 during 2012-2018 in Shandong province at five sites, including three rural sites and two background sites [one at Tuoji Island (TJI) in the Bohai Sea and the other at Mount Tai (MT), 1534 m above sea level]. The mixing ratios of CFC-11 at rural sites were 17-23% above the global background levels at Mauna Loa, Hawaii, and observations at MT and TJI revealed larger enhancements occurring in air masses traveling through the polyurethane foam industry region of the Shandong Peninsula. On the basis of the ratios of CFC-11 to tracers such as carbon monoxide (CO), chloroform (CHCl3), and carbon tetrachloride (CCl4) at the MT and TJI sites, the estimated emissions of CFC-11 in eastern China ranged from 12.0 +/- 1.6 to 20.8 +/- 3.9 Gg year(-1) with an average of 14.7 +/- 4.3 Gg year(-1) in 2014 and 2017-2018. These tracer-based estimates may represent the upper limits due to relatively higher ratios of CFC-11 to tracers in the hot spot province.
WOS关键词VOLATILE ORGANIC-COMPOUNDS ; AMBIENT MIXING RATIOS ; RIVER DELTA REGION ; HALOGENATED COMPOUNDS ; HALOCARBON EMISSIONS ; INCREASE ; GASES ; HISTORY ; SITES ; VOCS
WOS研究方向Engineering ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000718186900003
资助机构National Natural Science Foundation of China ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Department of Science and Technology of Guangdong
源URL[http://ir.yic.ac.cn/handle/133337/37976]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
烟台海岸带研究所_近岸生态与环境实验室
通讯作者Zhang, Yanli; Wang, Xinming
作者单位1.Chinese Acad Sci, State Key Lab Organ Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangdong Key Lab Environm Protect & Resources Ut, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China
3.CAS Ctr Excellence Deep Earth Sci, Guangzhou 510640, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Shandong Univ, Environm Res Inst, Qingdao 266237, Peoples R China
6.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
7.Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA
8.Chinese Acad Sci, Ctr Excellence Reg Atmospher Environm, Inst Urban Environm, Xiamen 361021, Peoples R China
推荐引用方式
GB/T 7714		 Huang, Xiaoqing,Zhang, Yanli,Xue, Likun,et al. Constraining Emission Estimates of CFC-11 in Eastern China Based on Local Observations at Surface Stations and Mount Tai[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS,2021,8(11):940-946.
APA Huang, Xiaoqing.,Zhang, Yanli.,Xue, Likun.,Tang, Jianhui.,Song, Wei.,...&Wang, Xinming.(2021).Constraining Emission Estimates of CFC-11 in Eastern China Based on Local Observations at Surface Stations and Mount Tai.ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS,8(11),940-946.
MLA Huang, Xiaoqing,et al."Constraining Emission Estimates of CFC-11 in Eastern China Based on Local Observations at Surface Stations and Mount Tai".ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 8.11(2021):940-946.

入库方式： OAI收割

来源：烟台海岸带研究所

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