GSTDTAP  > 地球科学
DOI10.5194/acp-18-15387-2018
Tropospheric NO2, SO2, and HCHO over the East China Sea, using ship-based MAX-DOAS observations and comparison with OMI and OMPS satellite data
Tan, Wei1; Liu, Cheng1,2,3,6; Wang, Shanshan4,5; Xing, Chengzhi2; Su, Wenjing2; Zhang, Chengxin2; Xia, Congzi2; Liu, Haoran2; Cai, Zhaonan7; Liu, Jianguo1
2018-10-26
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2018
卷号18期号:20页码:15387-15402
文章类型Article
语种英语
国家Peoples R China
英文摘要

In this study, ship-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements were performed in the East China Sea (ECS) area in June 2017. The tropospheric slant column densities (SCDs) of nitrogen dioxide (NO2), sulfur dioxide (SO2), and formaldehyde (HCHO) were retrieved from the measured spectra using the differential optical absorption spectroscopy (DOAS) technique. Using the simple geometric approach, the SCDs of different trace gases observed at a 15 degrees elevation angle were adopted to convert into tropospheric vertical column densities (VCDs). During this campaign, the averaged VCDs of NO2, SO2, and HCHO in the marine environment over the ECS area are 6.50 x 10(15), 4.28 x 10(15), and 7.39 x 10(15) molec cm(-2), respectively. In addition, the ship-based MAX-DOAS trace gas VCDs were compared with satellite observations of the Ozone Monitoring Instrument (OMI) and Ozone Mapping and Profiler Suite (OMPS). The daily OMI NO2 VCDs agreed well with ship-based MAX-DOAS measurements showing the correlation coefficient R of 0.83. In addition, the good agreements of SO2 and HCHO VCDs between the OMPS satellite and ship-based MAX-DOAS observations were also found, with correlation coefficients R of 0.76 and 0.69. The vertical profiles of these trace gases are achieved from the measured differential slant column densities (DSCDs) at different elevation angles using the optimal estimation method. The retrieved profiles displayed the typical vertical distribution characteristics, which exhibit low concentrations of < 3, < 3, and < 2 ppbv for NO2, SO2, and HCHO in a clean area of the marine boundary layer far from coast of the Yangtze River Delta (YRD) continental region. Interestingly, elevated SO2 concentrations can be observed intermittently along the ship routes, which is mainly attributed to the vicinal ship emissions in the view of the MAX-DOAS measurements. Combined with the on-board ozone lidar measurements, the ozone (O-3) formation was discussed with the vertical profile of the HCHO/NO2 ratio, which is sensitive to increases in NO2 concentration. This study provided further understanding of the main air pollutants in the marine boundary layer of the ECS area and also benefited the formulation of policies regulating the shipping emissions in such costal areas like the YRD region.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000448475400002
WOS关键词ABSORPTION CROSS-SECTIONS ; YANGTZE-RIVER DELTA ; AIR-POLLUTION ; TEMPERATURE-DEPENDENCE ; AEROSOL EXTINCTION ; NITROGEN-DIOXIDE ; WESTERN PACIFIC ; 000 CM(-1) ; EMISSIONS ; FORMALDEHYDE
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/17311
专题地球科学
作者单位1.Chinese Acad Sci, Hefei Inst Phys Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Anhui, Peoples R China;
2.Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Anhui, Peoples R China;
3.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Reg Atmospher Environm, Xiamen 361021, Peoples R China;
4.Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Shanghai 200433, Peoples R China;
5.SIEC, 3663 Northern Zhongshan Rd, Shanghai, Peoples R China;
6.USTC, Anhui Prov Key Lab Polar Environm & Global Change, Hefei 230026, Anhui, Peoples R China;
7.Chinese Acad Sci, IAP, Key Lab Middle Atmosphere & Global Environm Obser, Beijing 100029, Peoples R China
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GB/T 7714
Tan, Wei,Liu, Cheng,Wang, Shanshan,et al. Tropospheric NO2, SO2, and HCHO over the East China Sea, using ship-based MAX-DOAS observations and comparison with OMI and OMPS satellite data[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2018,18(20):15387-15402.
APA Tan, Wei.,Liu, Cheng.,Wang, Shanshan.,Xing, Chengzhi.,Su, Wenjing.,...&Liu, Jianguo.(2018).Tropospheric NO2, SO2, and HCHO over the East China Sea, using ship-based MAX-DOAS observations and comparison with OMI and OMPS satellite data.ATMOSPHERIC CHEMISTRY AND PHYSICS,18(20),15387-15402.
MLA Tan, Wei,et al."Tropospheric NO2, SO2, and HCHO over the East China Sea, using ship-based MAX-DOAS observations and comparison with OMI and OMPS satellite data".ATMOSPHERIC CHEMISTRY AND PHYSICS 18.20(2018):15387-15402.
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