Satellite measurements of tropospheric column O3 and NO2 in eastern and southeastern Asia : Comparison with a global model (MOZART-2)
Identifieur interne : 001596 ( Main/Exploration ); précédent : 001595; suivant : 001597Satellite measurements of tropospheric column O3 and NO2 in eastern and southeastern Asia : Comparison with a global model (MOZART-2)
Auteurs : X. Tie [États-Unis] ; S. Chandra [États-Unis] ; J. R. Ziemke [États-Unis] ; C. Granier [États-Unis] ; G. P. Brasseur [États-Unis, Allemagne]Source :
- Journal of atmospheric chemistry [ 0167-7764 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Troposphère, Pollution air, Oxydant photochimique, Ozone, Azote dioxyde, Distribution concentration, Profil vertical, Répartition spatiale, Variation saisonnière, Donnée observation, Observation par satellite, Satellite UARS, Source pollution, Facteur anthropique, Analyse sensibilité, Asie, Télédétection spatiale.
- Wicri :
- topic : Ozone.
English descriptors
- KwdEn :
- Air pollution, Anthropogenic factor, Asia, Concentration distribution, Nitrogen dioxide, Observation data, Ozone, Photochemical oxidants, Pollution source, Satellite observation, Seasonal variation, Sensitivity analysis, Space remote sensing, Spatial distribution, Troposphere, UARS satellite, Vertical profile.
Abstract
Satellite measurements of tropospheric column O3 and NO2 in eastern and southeastern Asia are analyzed to study the spatial and seasonal characteristics of pollution in these regions. Tropospheric column O3 is derived from differential measurements of total column ozone from Total Ozone Mapping Spectrometer (TOMS), and stratospheric column ozone from the Microwave Limb Sounder (MLS) instrument on the Upper Atmosphere Research Satellite (UARS). The tropospheric column NO2 is measured by Global Ozone Monitoring Experiment (GOME). A global chemical and transport model (Model of Ozone and Related Chemical Tracers, version 2; MOZART-2) is applied to analyze and interpret the satellite measurements. The study, which is based on spring, summer, and fall months of 1997 shows generally good agreement between the model and satellite data with respect to seasonal and spatial characteristics of O3 and NO2 fields. The analysis of the model results show that the industrial emission of NOx (TMO+NO2) contributes about 50%-80% to tropospheric column NO2 in eastern Asia and about 20%-50% in southeastern Asia. The contribution of industrial emission of NO, to tropospheric column O3 ranges from 10% to 30% in eastern Asia. Biomass burning and lightning NOx emissions have a small effect on tropospheric O3 in central and eastern Asia, but they have a significant impact in southeastern Asia. The varying effects of NOx on tropospheric column ozone are attributed to differences in relative abundance of volatile organic compounds (VOCs) with respect to total nitrogen in the two regions.
Affiliations:
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Tie</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>National Center of Atmospheric Research</s1><s2>Boulder, CO</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Colorado</region></placeName></affiliation></author><author><name sortKey="Chandra, S" sort="Chandra, S" uniqKey="Chandra S" first="S." last="Chandra">S. Chandra</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>University of Maryland Baltimore County (UMBC) Goddard Earth Sciences and Technology (GEST)</s1><s2>Baltimore, MD</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Maryland</region></placeName></affiliation><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>NASA Goddard Space Flight Center, Code 613.3</s1><s2>Greenbelt, MD</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Maryland</region></placeName></affiliation></author><author><name sortKey="Ziemke, J R" sort="Ziemke, J R" uniqKey="Ziemke J" first="J. R." last="Ziemke">J. R. Ziemke</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>University of Maryland Baltimore County (UMBC) Goddard Earth Sciences and Technology (GEST)</s1><s2>Baltimore, MD</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Maryland</region></placeName></affiliation><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>NASA Goddard Space Flight Center, Code 613.3</s1><s2>Greenbelt, MD</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Maryland</region></placeName></affiliation></author><author><name sortKey="Granier, C" sort="Granier, C" uniqKey="Granier C" first="C." last="Granier">C. Granier</name><affiliation wicri:level="2"><inist:fA14 i1="04"><s1>NOAA</s1><s2>Boulder, CO</s2><s3>USA</s3><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Colorado</region></placeName></affiliation></author><author><name sortKey="Brasseur, G P" sort="Brasseur, G P" uniqKey="Brasseur G" first="G. P." last="Brasseur">G. P. Brasseur</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>National Center of Atmospheric Research</s1><s2>Boulder, CO</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Colorado</region></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="05"><s1>Max Planck Institute of Meteorology</s1><s2>Hamburg</s2><s3>DEU</s3><sZ>5 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><settlement type="city">Hambourg</settlement><region type="land" nuts="2">Hambourg</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Journal of atmospheric chemistry</title><title level="j" type="abbreviated">J. atmos. chem.</title><idno type="ISSN">0167-7764</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of atmospheric chemistry</title><title level="j" type="abbreviated">J. atmos. chem.</title><idno type="ISSN">0167-7764</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air pollution</term><term>Anthropogenic factor</term><term>Asia</term><term>Concentration distribution</term><term>Nitrogen dioxide</term><term>Observation data</term><term>Ozone</term><term>Photochemical oxidants</term><term>Pollution source</term><term>Satellite observation</term><term>Seasonal variation</term><term>Sensitivity analysis</term><term>Space remote sensing</term><term>Spatial distribution</term><term>Troposphere</term><term>UARS satellite</term><term>Vertical profile</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Troposphère</term><term>Pollution air</term><term>Oxydant photochimique</term><term>Ozone</term><term>Azote dioxyde</term><term>Distribution concentration</term><term>Profil vertical</term><term>Répartition spatiale</term><term>Variation saisonnière</term><term>Donnée observation</term><term>Observation par satellite</term><term>Satellite UARS</term><term>Source pollution</term><term>Facteur anthropique</term><term>Analyse sensibilité</term><term>Asie</term><term>Télédétection spatiale</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Ozone</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Satellite measurements of tropospheric column O<sub>3</sub> and NO<sub>2</sub> in eastern and southeastern Asia are analyzed to study the spatial and seasonal characteristics of pollution in these regions. Tropospheric column O<sub>3</sub> is derived from differential measurements of total column ozone from Total Ozone Mapping Spectrometer (TOMS), and stratospheric column ozone from the Microwave Limb Sounder (MLS) instrument on the Upper Atmosphere Research Satellite (UARS). The tropospheric column NO<sub>2</sub> is measured by Global Ozone Monitoring Experiment (GOME). A global chemical and transport model (Model of Ozone and Related Chemical Tracers, version 2; MOZART-2) is applied to analyze and interpret the satellite measurements. The study, which is based on spring, summer, and fall months of 1997 shows generally good agreement between the model and satellite data with respect to seasonal and spatial characteristics of O<sub>3</sub> and NO<sub>2</sub> fields. The analysis of the model results show that the industrial emission of NO<sub>x</sub> (TMO+NO<sub>2</sub>) contributes about 50%-80% to tropospheric column NO<sub>2</sub> in eastern Asia and about 20%-50% in southeastern Asia. The contribution of industrial emission of NO, to tropospheric column O<sub>3</sub> ranges from 10% to 30% in eastern Asia. Biomass burning and lightning NO<sub>x</sub> emissions have a small effect on tropospheric O<sub>3</sub> in central and eastern Asia, but they have a significant impact in southeastern Asia. The varying effects of NO<sub>x</sub> on tropospheric column ozone are attributed to differences in relative abundance of volatile organic compounds (VOCs) with respect to total nitrogen in the two regions.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>États-Unis</li></country><region><li>Colorado</li><li>Hambourg</li><li>Maryland</li></region><settlement><li>Hambourg</li></settlement></list><tree><country name="États-Unis"><region name="Colorado"><name sortKey="Tie, X" sort="Tie, X" uniqKey="Tie X" first="X." last="Tie">X. Tie</name></region><name sortKey="Brasseur, G P" sort="Brasseur, G P" uniqKey="Brasseur G" first="G. P." last="Brasseur">G. P. Brasseur</name><name sortKey="Chandra, S" sort="Chandra, S" uniqKey="Chandra S" first="S." last="Chandra">S. Chandra</name><name sortKey="Chandra, S" sort="Chandra, S" uniqKey="Chandra S" first="S." last="Chandra">S. Chandra</name><name sortKey="Granier, C" sort="Granier, C" uniqKey="Granier C" first="C." last="Granier">C. Granier</name><name sortKey="Ziemke, J R" sort="Ziemke, J R" uniqKey="Ziemke J" first="J. R." last="Ziemke">J. R. Ziemke</name><name sortKey="Ziemke, J R" sort="Ziemke, J R" uniqKey="Ziemke J" first="J. R." last="Ziemke">J. R. Ziemke</name></country><country name="Allemagne"><region name="Hambourg"><name sortKey="Brasseur, G P" sort="Brasseur, G P" uniqKey="Brasseur G" first="G. P." last="Brasseur">G. P. Brasseur</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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