Long-Term Evolution of Particulate Nitrate Pollution in North China: Isotopic Evidence From 10 Offshore Cruises in the Bohai Sea From 2014 to 2019
Zong, Zheng1,2,3; Tian, Chongguo1,3; Sun, Zeyu1,3; Tan, Yang1,3; Shi, Yajun1,3; Liu, Xiaohuan4; Li, Jun5,6; Fang, Yunting7; Chen, Yingjun8; Ma, Yuhao9; Gao, Huiwang4; Zhang, Gan5,6; Wang, Tao2
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
2022-06-16
卷号127期号:11页码:13
DOI10.1029/2022JD036567
英文摘要Atmospheric nitrate (NO3-) pollution has become an obstacle to efforts to further reduce fine particulate (PM2.5) concentration in North China. However, there have been limited long-term measurements of NO3- and isotopic knowledge (delta N-15, delta O-18) on the driving factors during NO3- changes. Here, we report observations of 10 voyages from 2014 to 2019 conducted in the Bohai Sea, a typical background area in North China. The results show that the average proportion of NO3- in PM2.5 increased from 0.08 to 0.16 over the study period. The delta N-15-NO3- ranged from -4.1 parts per thousand to +20.5 parts per thousand, with a significant annual decline (p < 0.01), especially in winter. The average delta O-18-NO3- was +72.6 +/- 13.5 parts per thousand, and a Monte Carlo calculation revealed that the contribution of the center dot OH pathway in the NO3- formation declined by 27.4% in winter, implying an increase in O-3 pollution. Coal combustion remained the most important contributor to NO3- (46.6 +/- 15.9%), but its contribution showed a significant downward trend (p < 0.01), consistent with the control of disperse coal use in North China. Enhancement of atmospheric oxidation and the unexpected large increase in contribution of microbial processes were found to be the main causes of the increasingly serious NO3- pollution in North China. In addition, a spike in the contribution of coal combustion in 2018 indicates that the coal-control policy needs to be reinforced.
收录类别SCI
语种英语
关键词[WOS]REGIONAL BACKGROUND SITE ; THEORETICAL CALCULATION ; FRACTIONATION FACTORS ; SOURCE APPORTIONMENT ; NITROGEN DEPOSITION ; REACTIVE NITROGEN ; NOX SOURCES ; EMISSIONS ; PM2.5 ; AEROSOL
研究领域[WOS]Meteorology & Atmospheric Sciences
WOS记录号WOS:000810594700001
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/31220
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Tian, Chongguo
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Key Lab Coastal Environm Proc,YICCAS, Yantai, Peoples R China
2.Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Megasci, Beijing, Peoples R China
4.Ocean Univ China, Key Lab Marine Environm & Ecol, Minist Educ, Qingdao, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou, Peoples R China
6.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Key Lab Environm Protect & Resources Ut, Guangzhou, Peoples R China
7.Chinese Acad Sci, Inst Appl Ecol, CAS Key Lab Forest Ecol & Management, Shenyang, Peoples R China
8.Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Shanghai, Peoples R China
9.Harbin Inst Technol Harbin Inst Technol Shenzhen, Shenzhen Engn Lab Microalgal Bioenergy, Shenzhen, Peoples R China
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GB/T 7714
Zong, Zheng,Tian, Chongguo,Sun, Zeyu,et al. Long-Term Evolution of Particulate Nitrate Pollution in North China: Isotopic Evidence From 10 Offshore Cruises in the Bohai Sea From 2014 to 2019[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2022,127(11):13.
APA Zong, Zheng.,Tian, Chongguo.,Sun, Zeyu.,Tan, Yang.,Shi, Yajun.,...&Wang, Tao.(2022).Long-Term Evolution of Particulate Nitrate Pollution in North China: Isotopic Evidence From 10 Offshore Cruises in the Bohai Sea From 2014 to 2019.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,127(11),13.
MLA Zong, Zheng,et al."Long-Term Evolution of Particulate Nitrate Pollution in North China: Isotopic Evidence From 10 Offshore Cruises in the Bohai Sea From 2014 to 2019".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 127.11(2022):13.
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