中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 合肥物质科学研究院
  3. 中国科学院合肥物质科学研究院
Identifying the wintertime sources of volatile organic compounds (VOCs) from MAX-DOAS measured formaldehyde and glyoxal in Chongqing, southwest China

文献类型：期刊论文

作者Xing, Chengzhi6,10; Liu, Cheng1,6,7,8,9; Hu, Qihou6; Fu, Qingyan3; Lin, Hua5; Wang, Shuntian6; Su, Wenjing10; Wang, Weiwei4; Javed, Zeeshan2; Liu, Jianguo6,8
刊名SCIENCE OF THE TOTAL ENVIRONMENT
出版日期2020-05-01
卷号715
关键词MAX-DOAS Formaldehyde Glyoxal Volatile organic compounds (VOCs) Biomass burning
ISSN号0048-9697
DOI10.1016/j.scitotenv.2019.136258
通讯作者Liu, Cheng(chliu81@ustc.edu.cn)
英文摘要Ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) observations were performed from 27 December 2018 to 16 January 2019 in Changshou, one of subdistricts of Chongqing, China. Primary atmospheric pollutant in Changshou during wintertime was PM2.5, whose contribution averaged about 70.15% +/- 9.5% of PM10. The ratio of PM2.5/PM10 decreased when PM2.5 pollution became worse, and it should attribute to biomass burning and the contribution of hygroscopic growth and enhanced heterogeneous chemistry under high relative humidity condition. Moreover, nitrogen dioxide (NO2), formaldehyde (HCHO) and glyoxal (CHOCHO) vertical profiles during the campaign period were retrieved separately. TROPOMI HCHO vertical column densities (VCDs) and MAX-DOAS HCHO VCDs were correlated well (R = 0.93). In order to identify the sources of volatile organic compound (VOC) in Changshou, the ratio of CHOCHO to HCHO (R-GF) in five different layers were estimated. The estimated daily averaged R-GF were 0.0205 +/- 0.0077, 0.0727 +/- 0.0286, 0.0864 +/- 0.0296, 0.0770 +/- 0.0275 and 0.0746 +/- 0.0263 in 0-100 m, 100-200 m, 300-400 m, 500-600 m and 700-800 m layers, respectively. The estimated RGF will increase when biomass burnings were dominated. Using NO2 as a tracer of anthropogenic emissions, we found the R-GF values gradually decrease with the increase of NO2 levels. R-GF values in 0-100 m layer and all the other upper layers are 0.015-0.025 and 0.06-0.14, and that means the dominant sources of VOCs in 0-100 m layer and all the other upper layers are biogenic emission and anthropogenic emission (especially biomass burning), respectively. In addition, we found that R-GF has site dependence which is in compliance with several previous studies. (C) 2020 Elsevier B.V. All rights reserved.
WOS关键词ABSORPTION CROSS-SECTIONS ; AIR-POLLUTION SOURCES ; TROPOSPHERIC NO2 ; AEROSOL EXTINCTION ; CARBONYL-COMPOUNDS ; MIXING RATIOS ; IMPACT ; HCHO ; RETRIEVAL ; O-4
资助项目National Key Research and Development Program of China[2017YFC0210002] ; National Key Research and Development Program of China[2018YFC0213104] ; National Key Research and Development Program of China[2016YFC0203302] ; Anhui Science and Technology Department Major Project[18030801111] ; National Natural Science Foundation of China[41722501] ; National Natural Science Foundation of China[91544212] ; National Natural Science Foundation of China[51778596] ; National Natural Science Foundation of China[41575021] ; National Natural Science Foundation of China[41977184] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA23020301] ; National Key Project for Causes and Control of Heavy Air Pollution[DQGG0102] ; National Key Project for Causes and Control of Heavy Air Pollution[DQGG0205] ; National High-Resolution Earth Observation Project of China[05-Y20A16-9001-15/17-2] ; Natural Science Foundation of Guangzhou Province[2016A030310115]
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000518409900074
出版者ELSEVIER
资助机构National Key Research and Development Program of China ; Anhui Science and Technology Department Major Project ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key Project for Causes and Control of Heavy Air Pollution ; National High-Resolution Earth Observation Project of China ; Natural Science Foundation of Guangzhou Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/103763]  
专题中国科学院合肥物质科学研究院
通讯作者Liu, Cheng
作者单位1.USTC, Anhui Prov Key Lab Polar Environm & Global Change, Hefei 230026, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Sch Environm Sci & Engn, Nanjing 210044, Peoples R China
3.Shanghai Environm Monitoring Ctr, Shanghai 200235, Peoples R China
4.Chongqing Technol & Business Univ, Coll Environm & Resources, Chongqing Key Lab Catalysis & New Environm Mat, Chongqing 400067, Peoples R China
5.Univ Sci & Technol China, Sch Environm Sci & Optoelect Technol, Hefei 230026, Peoples R China
6.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
7.Univ Sci & Technol China, Dept Precis Machinery & Precis Instrumentat, Hefei 230026, Peoples R China
8.Chinese Acad Sci, Ctr Excellence Reg Atmospher Environm, Inst Urban Environm, Xiamen 361021, Peoples R China
9.Univ Sci & Technol China, Key Lab Precis Sci Instrumentat Anhui Higher Educ, Hefei 230026, Peoples R China
10.Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Xing, Chengzhi,Liu, Cheng,Hu, Qihou,et al. Identifying the wintertime sources of volatile organic compounds (VOCs) from MAX-DOAS measured formaldehyde and glyoxal in Chongqing, southwest China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,715.
APA Xing, Chengzhi.,Liu, Cheng.,Hu, Qihou.,Fu, Qingyan.,Lin, Hua.,...&Liu, Jianguo.(2020).Identifying the wintertime sources of volatile organic compounds (VOCs) from MAX-DOAS measured formaldehyde and glyoxal in Chongqing, southwest China.SCIENCE OF THE TOTAL ENVIRONMENT,715.
MLA Xing, Chengzhi,et al."Identifying the wintertime sources of volatile organic compounds (VOCs) from MAX-DOAS measured formaldehyde and glyoxal in Chongqing, southwest China".SCIENCE OF THE TOTAL ENVIRONMENT 715(2020).

入库方式： OAI收割

来源：合肥物质科学研究院

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。