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J Environ Sci (China)

Title:		"Seasonal, diurnal and nocturnal variations of carbonyl compounds in the semi-urban environment of Orleans, France"
Author(s):		Jiang Z; Grosselin B; Daele V; Mellouki A; Mu Y;
Address:		"Institut de Combustion, Aerothermique, Reactivite Environnement (ICARE), CNRS/OSUC 1C Avenue de la Recherche Scientifique, 45071 Orleans Cedex 02, France; College of Chemical and Biological Engineering, Changsha University of Science and Technology, Changsha 410004, China. Institut de Combustion, Aerothermique, Reactivite Environnement (ICARE), CNRS/OSUC 1C Avenue de la Recherche Scientifique, 45071 Orleans Cedex 02, France. Institut de Combustion, Aerothermique, Reactivite Environnement (ICARE), CNRS/OSUC 1C Avenue de la Recherche Scientifique, 45071 Orleans Cedex 02, France. Electronic address: mellouki@cnrs-orleans.fr. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. Electronic address: yjmu@rcees.ac.cn"
Journal Title:		J Environ Sci (China)
Year:		2016
Volume:		20160107
Issue:
Page Number:		84 - 91
DOI:		10.1016/j.jes.2015.11.016
ISSN/ISBN:		1001-0742 (Print) 1001-0742 (Linking)
Abstract:		"Atmospheric carbonyls were measured at a semi-urban site in Orleans, France, from October 2010 to July 2011. Formaldehyde, acetaldehyde and acetone were found to be the most abundant carbonyls, with average concentrations of 3.1, 1.0, 2.0 ppb, respectively in summer, 2.3, 0.7, 2.2 ppb, respectively in autumn, 2.2, 1.0, 2.1 ppb, respectively in spring, and 1.5, 0.7, 1.1 ppb, respectively in winter. Photo-oxidation of volatile organic compounds (VOCs) was found to make a remarkable contribution to atmospheric carbonyls in the semi-urban site based on the distinct seasonal and diurnal variations of the carbonyls, as well as the significantly positive correlations between the carbonyls and ozone. The significantly negative correlations between NOx and O3 as well as the carbonyls and the positive correlations between wind speed and O3 as well as the carbonyls implied that the carbonyls and O3 at the semi-urban site were probably formed during air mass transport from neighboring cities"
Keywords:		Acetaldehyde/analysis Acetone/analysis Air Pollutants/*analysis/chemistry Cities Environmental Monitoring Formaldehyde/analysis France Nitrous Oxide/analysis Ozone/analysis/chemistry Seasons Volatile Organic Compounds/*analysis/chemistry Wind Carbonyls Me;
Notes:		"MedlineJiang, Zhaohui Grosselin, Benoit Daele, Veronique Mellouki, Abdelwahid Mu, Yujing eng Research Support, Non-U.S. Gov't Netherlands 2016/03/13 J Environ Sci (China). 2016 Feb; 40:84-91. doi: 10.1016/j.jes.2015.11.016. Epub 2016 Jan 7"