气候变化领域集成服务门户(CCPortal): Adverse results of the economic crisis: A study on the emergence of enhanced formaldehyde (HCHO) levels seen from satellites over Greek urban sites

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DOI	10.1016/j.atmosres.2019.03.017
	Adverse results of the economic crisis: A study on the emergence of enhanced formaldehyde (HCHO) levels seen from satellites over Greek urban sites
	Zyrichidou I.; Balis D.; Koukouli M.E.; Drosoglou T.; Bais A.; Gratsea M.; Gerasopoulos E.; Liora N.; Poupkou A.; Giannaros C.; Melas D.; De Smedt I.; Van Roozendael M.; Van der A R.J.; Boersma K.F.; Valks P.; Richter A.
发表日期	2019
ISSN	0169-8095
起始页码	42
结束页码	51
卷号	224
英文摘要	In order to study the years of the outbreak of the financial crisis in Greece, we use a continuous eight-year record (2008–2015) of formaldehyde, HCHO, columns retrieved from the GOME-2/MetOp-A and GOME-2/MetOp-B satellite instruments over two urban Greek regions, Thessaloniki and Athens. A statistical linear regression analysis that was applied to the GOME-2/MetOp-A HCHO time series over both cities revealed positive annual changes. On seasonal basis, the wintertime HCHO change per annum was found to be 7.43 ± 2.26% and 6.13 ± 2.12% over Thessaloniki and Athens, respectively. A corresponding seasonal time series analysis was also applied to tropospheric nitrogen dioxide, NO 2 , levels. The tropospheric NO 2 winter change per annum is shown to be negative, at −3.0 ± 0.13% and −3.94 ± 0.14% over Thessaloniki and Athens, respectively. The satellite HCHO and NO 2 observations levels are comparable to collocated ground-based MAX-DOAS measurements. Furthermore, the Comprehensive Air Quality Model with extensions chemical transport model, CAMx CTM, as well as the driving emission inventory in CAMx are used for further investigation of the seasonality of the HCHO concentrations and emissions. The CTM model analysis of the annual HCHO cycle and the winter season anti-correlation between HCHO total columns and surface temperature, mostly over Thessaloniki (R = –0.3), point to the fact that the winter HCHO enhancements, likely connected with enhanced anthropogenic activities, are not being captured by the model. The results of this study indicate a possible enhanced anthropogenic activity during the winter season that was strengthened through the investigation on the origins of the wintertime increase in HCHO columns since the beginning of the economic crisis in the country. © 2019 Elsevier B.V.
英文关键词	Biomass burning; GOME-2 instrument; HCHO; NO 2; Urban air pollution
语种	英语
scopus关键词	Air quality; Chemical analysis; Economic analysis; Formaldehyde; Nitrogen oxides; Regression analysis; Satellites; Time series analysis; Troposphere; Anthropogenic activity; Biomass-burning; Chemical transport models; Comprehensive air quality model with extensions; HCHO; Statistical linear regression analysis; Tropospheric nitrogen dioxide; Urban air pollution; Urban growth; atmospheric pollution; biomass burning; emission inventory; financial crisis; formaldehyde; human activity; nitrogen dioxide; regression analysis; satellite data; urban area; Greece
来源期刊	Atmospheric Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/162351
作者单位	Laboratory of Atmospheric Physics, Physics Department, AU. Th, Thessaloniki, Greece; Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Greece; Environmental Chemical Processes Laboratory, Department of Chemistry, University of Crete, Greece; Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium; Royal Netherlands Meteorological Institute (KNMI), De Bilt, Netherlands; Wageningen University, Meteorology and Air Quality Group, Wageningen, Netherlands; DLR-IMF, Wessling, Germany; Institute of Environmental Physics and Remote Sensing, University of Bremen (IUP-UB), Bremen, Germany
推荐引用方式 GB/T 7714	Zyrichidou I.,Balis D.,Koukouli M.E.,et al. Adverse results of the economic crisis: A study on the emergence of enhanced formaldehyde (HCHO) levels seen from satellites over Greek urban sites[J],2019,224.
APA	Zyrichidou I..,Balis D..,Koukouli M.E..,Drosoglou T..,Bais A..,...&Richter A..(2019).Adverse results of the economic crisis: A study on the emergence of enhanced formaldehyde (HCHO) levels seen from satellites over Greek urban sites.Atmospheric Research,224.
MLA	Zyrichidou I.,et al."Adverse results of the economic crisis: A study on the emergence of enhanced formaldehyde (HCHO) levels seen from satellites over Greek urban sites".Atmospheric Research 224(2019).