Volatile organic compounds (VOCs) in air from Nisyros Island (Dodecanese Archipelago, Greece): Natural versus anthropogenic sources
Identifieur interne : 000029 ( Main/Exploration ); précédent : 000028; suivant : 000030Volatile organic compounds (VOCs) in air from Nisyros Island (Dodecanese Archipelago, Greece): Natural versus anthropogenic sources
Auteurs : F. Tassi [Italie] ; F. Capecchiacci [Italie] ; L. Giannini [Italie] ; G. E. Vougioukalakis [Grèce] ; O. Vaselli [Italie]Source :
- Environmental pollution : (1987) [ 0269-7491 ] ; 2013.
Descripteurs français
- Pascal (Inist)
- Wicri :
- geographic : Grèce.
English descriptors
- KwdEn :
Abstract
This study presents the chemical composition of VOCs in air and gas discharges collected at Nisyros Island (Dodecanese Archipelago, Greece). The main goals are i) to discriminate between natural and anthropogenic VOC sources and ii) to evaluate their impact on local air quality. Up to 63 different VOCs were recognized and quantitatively determined in 6 fumaroles and 19 air samples collected in the Lakki caldera, where fumarolic emissions are located, and the outer ring of the island, including the Mandraki village and the main harbor. Air samples from the crater area show significant concentrations of alkanes, alkenes, cyclic, aromatics, and S- and O-bearing heterocycles directly deriving from the hydrothermal system, as well as secondary O-bearing compounds from oxidation of primary VOCs. At Mandraki village, C6H6/Σ(methylated aromatics) and Σ(linear)/Σ(branched) alkanes ratios <1 allow to distinguish an anthropogenic source related to emissions from outlet pipes of touristic and private boats and buses.
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Vaselli</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Earth Sciences, University of Florence, Via La Pira 4</s1><s2>50121 Florence</s2><s3>ITA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>50121 Florence</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Geosciences and Earth Resources of the National Research Council (CNR-IGG), Via La Pira 4</s1><s2>50121 Florence</s2><s3>ITA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>50121 Florence</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Environmental pollution : (1987)</title><title level="j" type="abbreviated">Environ. pollut. : (1987)</title><idno type="ISSN">0269-7491</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Environmental pollution : (1987)</title><title level="j" type="abbreviated">Environ. pollut. : (1987)</title><idno type="ISSN">0269-7491</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air</term><term>Air pollution</term><term>Air quality</term><term>Anthropogenic factor</term><term>Fumaroles</term><term>Greece</term><term>Natural origin pollution</term><term>Volatile organic compound</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Composé organique volatil</term><term>Air</term><term>Grèce</term><term>Facteur anthropique</term><term>Qualité air</term><term>Pollution air</term><term>Pollution origine naturelle</term><term>Fumerolle</term><term>Iles Dodécanèse</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Grèce</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study presents the chemical composition of VOCs in air and gas discharges collected at Nisyros Island (Dodecanese Archipelago, Greece). The main goals are i) to discriminate between natural and anthropogenic VOC sources and ii) to evaluate their impact on local air quality. Up to 63 different VOCs were recognized and quantitatively determined in 6 fumaroles and 19 air samples collected in the Lakki caldera, where fumarolic emissions are located, and the outer ring of the island, including the Mandraki village and the main harbor. Air samples from the crater area show significant concentrations of alkanes, alkenes, cyclic, aromatics, and S- and O-bearing heterocycles directly deriving from the hydrothermal system, as well as secondary O-bearing compounds from oxidation of primary VOCs. At Mandraki village, C<sub>6</sub>H<sub>6</sub>/Σ(methylated aromatics) and Σ(linear)/Σ(branched) alkanes ratios <1 allow to distinguish an anthropogenic source related to emissions from outlet pipes of touristic and private boats and buses.</div></front></TEI><affiliations><list><country><li>Grèce</li><li>Italie</li></country><region><li>Attique (région)</li></region><settlement><li>Athènes</li></settlement></list><tree><country name="Italie"><noRegion><name sortKey="Tassi, F" sort="Tassi, F" uniqKey="Tassi F" first="F." last="Tassi">F. Tassi</name></noRegion><name sortKey="Capecchiacci, F" sort="Capecchiacci, F" uniqKey="Capecchiacci F" first="F." last="Capecchiacci">F. Capecchiacci</name><name sortKey="Giannini, L" sort="Giannini, L" uniqKey="Giannini L" first="L." last="Giannini">L. Giannini</name><name sortKey="Giannini, L" sort="Giannini, L" uniqKey="Giannini L" first="L." last="Giannini">L. Giannini</name><name sortKey="Tassi, F" sort="Tassi, F" uniqKey="Tassi F" first="F." last="Tassi">F. Tassi</name><name sortKey="Vaselli, O" sort="Vaselli, O" uniqKey="Vaselli O" first="O." last="Vaselli">O. Vaselli</name><name sortKey="Vaselli, O" sort="Vaselli, O" uniqKey="Vaselli O" first="O." last="Vaselli">O. Vaselli</name></country><country name="Grèce"><region name="Attique (région)"><name sortKey="Vougioukalakis, G E" sort="Vougioukalakis, G E" uniqKey="Vougioukalakis G" first="G. E." last="Vougioukalakis">G. E. Vougioukalakis</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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