Biogenic emissions from Citrus species in California
Identifieur interne : 000101 ( France/Analysis ); précédent : 000100; suivant : 000102Biogenic emissions from Citrus species in California
Auteurs : Silvano Fares [États-Unis, Italie] ; Drew R. Gentner [États-Unis] ; Jeong-Hoo Park [États-Unis] ; Elena Ormeno [États-Unis, France] ; John Karlik [États-Unis] ; Allen H. Goldstein [États-Unis]Source :
- Atmospheric environment : (1994) [ 1352-2310 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Facteur biogène, Composé organique volatil, Précurseur, Ozone, Polluant secondaire, Aérosol, Composé organique, Occupation sol, Agriculture, Modélisation, Monoterpène, Sesquiterpène, Spectrométrie masse, Chromatographie phase gazeuse, Méthanol, Teneur émission, Algorithme, Spéciation, Terpène, Prévision pollution atmosphérique, Chimie atmosphérique, Californie, Pollution origine naturelle, Oxydant photochimique, Pollution air, Alcool, Devenir polluant, Hydrocarbure.
- Wicri :
- topic : Ozone, Aérosol, Méthanol, Alcool, Hydrocarbure.
English descriptors
- KwdEn :
- Aerosols, Agriculture, Air pollution, Alcohol, Algorithm, Atmospheric chemistry, Atmospheric pollution forecasting, Biogenic factor, California, Emission content, Gas chromatography, Hydrocarbon, Land use, Mass spectrometry, Methanol, Modeling, Monoterpene, Natural origin pollution, Organic compounds, Ozone, Photochemical oxidants, Pollutant behavior, Precursor, Secondary pollutant, Sesquiterpenes, Speciation, Terpene, Volatile organic compound.
Abstract
Biogenic Volatile Organic Compounds (BVOC) emitted from plants are the dominant source of reduced carbon chemicals to the atmosphere and are important precursors to the photochemical production of ozone and secondary organic aerosols. Considering the extensive land used for agriculture, cultivated Citrus plantations may play an important role in the chemistry of the atmosphere especially in regions such as the Central Valley of California. Moreover, the BVOC emissions from Citrus species have not been characterized in detail and more species-specific inputs for regional models of BVOC emissions are needed. In this study, we measured the physiological parameters and emissions of the most relevant BVOC (oxygenated compounds, monoterpenes, and sesquiterpenes) for four predominant Citrus species planted in California (Citrus sinensis var. 'Parent Navel', Citrus limon var. 'Meyer', Citrus reticulata var. 'W. Murcott' and 'Clementine'). We used two analytical techniques to measure a full range of BVOC emitted: Proton Transfer Reaction Mass Spectrometry (PTR-MS) and gas chromatography with mass spectrometry. Methanol, followed by acetone and acetaldehyde, were the dominant BVOC emitted from lemon and mandarin trees (basal emission rates up to 300 ng(C) g(DW)-1 h-1), while oxygenated monoterpenes, monoterpenes, and sesquiterpenes were the main BVOC emitted from orange trees (basal emission rates up to = 2500 ng(C) g(DW)-1 h-1). Light and temperature-dependent algorithms were better predictors of methanol, acetaldehyde, acetone, isoprene and monoterpenes for all the Citrus species. Whereas, temperature-dependent algorithms were better predictors of oxygenated monoterpenes, and sesquiterpenes. We observed that flowering increased emissions from orange trees by an order of magnitude with the bulk of BVOC emissions being comprised of monoterpenes, sesquiterpenes, and oxygenated monoterpenes. Chemical speciation of BVOC emissions show that the various classes of terpene emissions among all Citrus species are dominated by ocimenes, β-caryophyllene, and linalool, respectively. In addition to utilizing our reported emission factors in BVOC emission models, we recommend that future BVOC emission models consider additional emissions from flowering and harvest, which occur seasonally and may have a significant impact on regional atmospheric chemistry.
Affiliations:
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Gentner</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>University of Califomia, Berkeley, Department of Civil and Environmental Engineering</s1><s2>CA</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Park, Jeong Hoo" sort="Park, Jeong Hoo" uniqKey="Park J" first="Jeong-Hoo" last="Park">Jeong-Hoo Park</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>University of California, Berkeley, Division of Ecosystem Sciences, Department of Environmental Science, Policy, and Management</s1><s2>CA</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Ormeno, Elena" sort="Ormeno, Elena" uniqKey="Ormeno E" first="Elena" last="Ormeno">Elena Ormeno</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>University of California, Berkeley, Division of Ecosystem Sciences, Department of Environmental Science, Policy, and Management</s1><s2>CA</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>CNRS - INEE - IMEP (National Center of Scientific Research, Institute of Ecology and Environment - Mediterranean Institute of Ecology and Paleoecology</s1><s2>Marseille</s2><s3>FRA</s3><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><settlement type="city">Marseille</settlement></placeName></affiliation></author><author><name sortKey="Karlik, John" sort="Karlik, John" uniqKey="Karlik J" first="John" last="Karlik">John Karlik</name><affiliation wicri:level="2"><inist:fA14 i1="05"><s1>University of California Cooperative Extension, Kern County</s1><s2>CA</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Goldstein, Allen H" sort="Goldstein, Allen H" uniqKey="Goldstein A" first="Allen H." last="Goldstein">Allen H. Goldstein</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>University of California, Berkeley, Division of Ecosystem Sciences, Department of Environmental Science, Policy, and Management</s1><s2>CA</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>University of Califomia, Berkeley, Department of Civil and Environmental Engineering</s1><s2>CA</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Atmospheric environment : (1994)</title><title level="j" type="abbreviated">Atmos. environ. : (1994)</title><idno type="ISSN">1352-2310</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Atmospheric environment : (1994)</title><title level="j" type="abbreviated">Atmos. environ. : (1994)</title><idno type="ISSN">1352-2310</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aerosols</term><term>Agriculture</term><term>Air pollution</term><term>Alcohol</term><term>Algorithm</term><term>Atmospheric chemistry</term><term>Atmospheric pollution forecasting</term><term>Biogenic factor</term><term>California</term><term>Emission content</term><term>Gas chromatography</term><term>Hydrocarbon</term><term>Land use</term><term>Mass spectrometry</term><term>Methanol</term><term>Modeling</term><term>Monoterpene</term><term>Natural origin pollution</term><term>Organic compounds</term><term>Ozone</term><term>Photochemical oxidants</term><term>Pollutant behavior</term><term>Precursor</term><term>Secondary pollutant</term><term>Sesquiterpenes</term><term>Speciation</term><term>Terpene</term><term>Volatile organic compound</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Facteur biogène</term><term>Composé organique volatil</term><term>Précurseur</term><term>Ozone</term><term>Polluant secondaire</term><term>Aérosol</term><term>Composé organique</term><term>Occupation sol</term><term>Agriculture</term><term>Modélisation</term><term>Monoterpène</term><term>Sesquiterpène</term><term>Spectrométrie masse</term><term>Chromatographie phase gazeuse</term><term>Méthanol</term><term>Teneur émission</term><term>Algorithme</term><term>Spéciation</term><term>Terpène</term><term>Prévision pollution atmosphérique</term><term>Chimie atmosphérique</term><term>Californie</term><term>Pollution origine naturelle</term><term>Oxydant photochimique</term><term>Pollution air</term><term>Alcool</term><term>Devenir polluant</term><term>Hydrocarbure</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Ozone</term><term>Aérosol</term><term>Méthanol</term><term>Alcool</term><term>Hydrocarbure</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Biogenic Volatile Organic Compounds (BVOC) emitted from plants are the dominant source of reduced carbon chemicals to the atmosphere and are important precursors to the photochemical production of ozone and secondary organic aerosols. Considering the extensive land used for agriculture, cultivated Citrus plantations may play an important role in the chemistry of the atmosphere especially in regions such as the Central Valley of California. Moreover, the BVOC emissions from Citrus species have not been characterized in detail and more species-specific inputs for regional models of BVOC emissions are needed. In this study, we measured the physiological parameters and emissions of the most relevant BVOC (oxygenated compounds, monoterpenes, and sesquiterpenes) for four predominant Citrus species planted in California (Citrus sinensis var. 'Parent Navel', Citrus limon var. 'Meyer', Citrus reticulata var. 'W. Murcott' and 'Clementine'). We used two analytical techniques to measure a full range of BVOC emitted: Proton Transfer Reaction Mass Spectrometry (PTR-MS) and gas chromatography with mass spectrometry. Methanol, followed by acetone and acetaldehyde, were the dominant BVOC emitted from lemon and mandarin trees (basal emission rates up to 300 ng(C) g(DW)<sup>-1</sup> h<sup>-1</sup>), while oxygenated monoterpenes, monoterpenes, and sesquiterpenes were the main BVOC emitted from orange trees (basal emission rates up to = 2500 ng(C) g(DW)<sup>-1</sup> h<sup>-1</sup>). Light and temperature-dependent algorithms were better predictors of methanol, acetaldehyde, acetone, isoprene and monoterpenes for all the Citrus species. Whereas, temperature-dependent algorithms were better predictors of oxygenated monoterpenes, and sesquiterpenes. We observed that flowering increased emissions from orange trees by an order of magnitude with the bulk of BVOC emissions being comprised of monoterpenes, sesquiterpenes, and oxygenated monoterpenes. Chemical speciation of BVOC emissions show that the various classes of terpene emissions among all Citrus species are dominated by ocimenes, β-caryophyllene, and linalool, respectively. In addition to utilizing our reported emission factors in BVOC emission models, we recommend that future BVOC emission models consider additional emissions from flowering and harvest, which occur seasonally and may have a significant impact on regional atmospheric chemistry.</div></front></TEI><affiliations><list><country><li>France</li><li>Italie</li><li>États-Unis</li></country><region><li>Californie</li><li>Latium</li></region><settlement><li>Marseille</li><li>Rome</li></settlement></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Fares, Silvano" sort="Fares, Silvano" uniqKey="Fares S" first="Silvano" last="Fares">Silvano Fares</name></region><name sortKey="Gentner, Drew R" sort="Gentner, Drew R" uniqKey="Gentner D" first="Drew R." last="Gentner">Drew R. Gentner</name><name sortKey="Goldstein, Allen H" sort="Goldstein, Allen H" uniqKey="Goldstein A" first="Allen H." last="Goldstein">Allen H. Goldstein</name><name sortKey="Goldstein, Allen H" sort="Goldstein, Allen H" uniqKey="Goldstein A" first="Allen H." last="Goldstein">Allen H. Goldstein</name><name sortKey="Karlik, John" sort="Karlik, John" uniqKey="Karlik J" first="John" last="Karlik">John Karlik</name><name sortKey="Ormeno, Elena" sort="Ormeno, Elena" uniqKey="Ormeno E" first="Elena" last="Ormeno">Elena Ormeno</name><name sortKey="Park, Jeong Hoo" sort="Park, Jeong Hoo" uniqKey="Park J" first="Jeong-Hoo" last="Park">Jeong-Hoo Park</name></country><country name="Italie"><region name="Latium"><name sortKey="Fares, Silvano" sort="Fares, Silvano" uniqKey="Fares S" first="Silvano" last="Fares">Silvano Fares</name></region></country><country name="France"><noRegion><name sortKey="Ormeno, Elena" sort="Ormeno, Elena" uniqKey="Ormeno E" first="Elena" last="Ormeno">Elena Ormeno</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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