MozartV1, PascalFrancis, Corpus, bibRecord, 000152

Satellite-observed pollution from Southern Hemisphere biomass burning

Identifieur interne : 000152 ( PascalFrancis/Corpus ); précédent : 000151; suivant : 000153

Satellite-observed pollution from Southern Hemisphere biomass burning

Auteurs : D. P. Edwards ; L. K. Emmons ; J. C. Gille ; A. Chu ; J.-L. Attie ; L. Giglio ; S. W. Wood ; J. Haywood ; M. N. Deeter ; S. T. Massie ; D. C. Ziskin ; J. R. Drummond

Source :

Journal of geophysical research [ 0148-0227 ] ; 2006.

RBID : Pascal:06-0408047

Descripteurs français

Pascal (Inist)
- Satellite Terra, Pollution, Hémisphère Sud, Feu végétation, Fraction fine, Particule, Combustion, Monoxyde carbone, Carbone monoxyde, Troposphère, Instrumentation, Aérosol, Epaisseur optique, Mesure satellite, Observation par satellite, Transport, Modèle, Incendie, Emission polluant, Saison sèche, Variation temporelle, Distribution spatiale, Répartition spatiale, Afrique, Amérique du Sud, Nouvelle Zélande.

English descriptors

KwdEn :
- Africa, Carbon monoxide, Dry season, New Zealand, Optical thickness, Pollutant emission, Satellite observation, South America, Southern Hemisphere, Spatial distribution, Terra satellite, Vegetation fire, aerosols, carbon monoxide, combustion, fine-grained materials, fires, instruments, models, particles, pollution, satellite measurements, spatial distribution, time variations, transport, troposphere.

Abstract

Biomass burning is a major source of pollution in the tropical Southern Hemisphere, and fine mode carbonaceous particles are produced by the same combustion processes that emit carbon monoxide (CO). In this paper we examine these emissions with data from the Terra satellite, CO profiles from the Measurement of Pollution in the Troposphere (MOPITT) instrument, and fine-mode aerosol optical depth (AOD) from the Moderate-Resolution Imaging Spectroradiometer (MODIS). The satellite measurements are used in conjunction with calculations from the MOZART chemical transport model to examine the 2003 Southern Hemisphere burning season with particular emphasis on the months of peak fire activity in September and October. Pollutant emissions follow the occurrence of dry season fires, and the temporal variation and spatial distributions of MOPITT CO and MODIS AOD are similar. We examine the outflow from Africa and South America with emphasis on the impact of these emissions on clean remote regions. We present comparisons of MOPITT observations and ground-based interferometer data from Lauder, New Zealand, which indicate that intercontinental transport of biomass burning pollution from Africa often determines the local air quality. The correlation between enhancements of AOD and CO column for distinct biomass burning plumes is very good with correlation coefficients greater than 0.8. We present a method using MOPITT and MODIS data for estimating the emission ratio of aerosol number density to CO concentration which could prove useful as input to modeling studies. We also investigate decay of plumes from African fires following export into the Indian Ocean and compare the MOPITT and MODIS measurements as a way of estimating the regional aerosol lifetime. Vertical transport of biomass burning emissions is also examined using CO profile information. Low-altitude concentrations are very high close to source regions, but further downwind of the continents, vertical mixing takes place and results in more even CO vertical distributions. In regions of significant convection, particularly in the equatorial Indian Ocean, the CO mixing ratio is greater at higher altitudes, indicating vertical transport of biomass burning emissions to the upper troposphere.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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C01	`01`		`ENG`	@0 Biomass burning is a major source of pollution in the tropical Southern Hemisphere, and fine mode carbonaceous particles are produced by the same combustion processes that emit carbon monoxide (CO). In this paper we examine these emissions with data from the Terra satellite, CO profiles from the Measurement of Pollution in the Troposphere (MOPITT) instrument, and fine-mode aerosol optical depth (AOD) from the Moderate-Resolution Imaging Spectroradiometer (MODIS). The satellite measurements are used in conjunction with calculations from the MOZART chemical transport model to examine the 2003 Southern Hemisphere burning season with particular emphasis on the months of peak fire activity in September and October. Pollutant emissions follow the occurrence of dry season fires, and the temporal variation and spatial distributions of MOPITT CO and MODIS AOD are similar. We examine the outflow from Africa and South America with emphasis on the impact of these emissions on clean remote regions. We present comparisons of MOPITT observations and ground-based interferometer data from Lauder, New Zealand, which indicate that intercontinental transport of biomass burning pollution from Africa often determines the local air quality. The correlation between enhancements of AOD and CO column for distinct biomass burning plumes is very good with correlation coefficients greater than 0.8. We present a method using MOPITT and MODIS data for estimating the emission ratio of aerosol number density to CO concentration which could prove useful as input to modeling studies. We also investigate decay of plumes from African fires following export into the Indian Ocean and compare the MOPITT and MODIS measurements as a way of estimating the regional aerosol lifetime. Vertical transport of biomass burning emissions is also examined using CO profile information. Low-altitude concentrations are very high close to source regions, but further downwind of the continents, vertical mixing takes place and results in more even CO vertical distributions. In regions of significant convection, particularly in the equatorial Indian Ocean, the CO mixing ratio is greater at higher altitudes, indicating vertical transport of biomass burning emissions to the upper troposphere.
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Format Inist (serveur)

NO :	PASCAL 06-0408047 INIST
ET :	Satellite-observed pollution from Southern Hemisphere biomass burning
AU :	EDWARDS (D. P.); EMMONS (L. K.); GILLE (J. C.); CHU (A.); ATTIE (J.-L.); GIGLIO (L.); WOOD (S. W.); HAYWOOD (J.); DEETER (M. N.); MASSIE (S. T.); ZISKIN (D. C.); DRUMMOND (J. R.)
AF :	National Center for Atmospheric Research/Boulder, Colorado/Etats-Unis (1 aut., 2 aut., 3 aut., 9 aut., 10 aut., 11 aut.); Joint Center for Earth Systems Technology, University of Maryland, Baltimore County/Baltimore, Maryland/Etats-Unis (4 aut.); Observatoire Midi-Pyrénées/Toulouse/France (5 aut.); NASA Goddard Space Flight Center/Greenbelt, Maryland/Etats-Unis (6 aut.); National Institute of Water and Atmospheric Research Ltd, Central Otago/Lauder/Nouvelle-Zélande (7 aut.); Met Office/Exeter/Royaume-Uni (8 aut.); Department of Physics, University of Toronto/Toronto, Ontario/Canada (12 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2006; Vol. 111; No. D14; D14312.1-D14312.17; Bibl. 2 p.1/4
LA :	Anglais
EA :	Biomass burning is a major source of pollution in the tropical Southern Hemisphere, and fine mode carbonaceous particles are produced by the same combustion processes that emit carbon monoxide (CO). In this paper we examine these emissions with data from the Terra satellite, CO profiles from the Measurement of Pollution in the Troposphere (MOPITT) instrument, and fine-mode aerosol optical depth (AOD) from the Moderate-Resolution Imaging Spectroradiometer (MODIS). The satellite measurements are used in conjunction with calculations from the MOZART chemical transport model to examine the 2003 Southern Hemisphere burning season with particular emphasis on the months of peak fire activity in September and October. Pollutant emissions follow the occurrence of dry season fires, and the temporal variation and spatial distributions of MOPITT CO and MODIS AOD are similar. We examine the outflow from Africa and South America with emphasis on the impact of these emissions on clean remote regions. We present comparisons of MOPITT observations and ground-based interferometer data from Lauder, New Zealand, which indicate that intercontinental transport of biomass burning pollution from Africa often determines the local air quality. The correlation between enhancements of AOD and CO column for distinct biomass burning plumes is very good with correlation coefficients greater than 0.8. We present a method using MOPITT and MODIS data for estimating the emission ratio of aerosol number density to CO concentration which could prove useful as input to modeling studies. We also investigate decay of plumes from African fires following export into the Indian Ocean and compare the MOPITT and MODIS measurements as a way of estimating the regional aerosol lifetime. Vertical transport of biomass burning emissions is also examined using CO profile information. Low-altitude concentrations are very high close to source regions, but further downwind of the continents, vertical mixing takes place and results in more even CO vertical distributions. In regions of significant convection, particularly in the equatorial Indian Ocean, the CO mixing ratio is greater at higher altitudes, indicating vertical transport of biomass burning emissions to the upper troposphere.
CC :	220; 001E; 001E01
FD :	Satellite Terra; Pollution; Hémisphère Sud; Feu végétation; Fraction fine; Particule; Combustion; Monoxyde carbone; Carbone monoxyde; Troposphère; Instrumentation; Aérosol; Epaisseur optique; Mesure satellite; Observation par satellite; Transport; Modèle; Incendie; Emission polluant; Saison sèche; Variation temporelle; Distribution spatiale; Répartition spatiale; Afrique; Amérique du Sud; Nouvelle Zélande
FG :	Australasie
ED :	Terra satellite; pollution; Southern Hemisphere; Vegetation fire; fine-grained materials; particles; combustion; carbon monoxide; Carbon monoxide; troposphere; instruments; aerosols; Optical thickness; satellite measurements; Satellite observation; transport; models; fires; Pollutant emission; Dry season; time variations; spatial distribution; Spatial distribution; Africa; South America; New Zealand
EG :	Australasia
SD :	Satélite Terra; Polución; Hemisferio sur; Fuego vegetación; Fracción fina; Combustión; Carbono monóxido; Instrumentación; Aerosol; Espesor óptico; Observación por satélite; Transporte; Modelo; Emisión contaminante; Estación seca; Variación temporal; Distribución espacial; Distribución espacial; Africa; America del sur; Nueva Zelandia
LO :	INIST-3144.354000133564730350
ID :	06-0408047

Links to Exploration step

Pascal:06-0408047

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Satellite-observed pollution from Southern Hemisphere biomass burning</title>
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<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<affiliation><inist:fA14 i1="01"><s1>National Center for Atmospheric Research</s1>
<s2>Boulder, Colorado</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
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<affiliation><inist:fA14 i1="07"><s1>Department of Physics, University of Toronto</s1>
<s2>Toronto, Ontario</s2>
<s3>CAN</s3>
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<series><title level="j" type="main">Journal of geophysical research</title>
<title level="j" type="abbreviated">J. geophys. res.</title>
<idno type="ISSN">0148-0227</idno>
<imprint><date when="2006">2006</date>
</imprint>
</series>
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<seriesStmt><title level="j" type="main">Journal of geophysical research</title>
<title level="j" type="abbreviated">J. geophys. res.</title>
<idno type="ISSN">0148-0227</idno>
</seriesStmt>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Africa</term>
<term>Carbon monoxide</term>
<term>Dry season</term>
<term>New Zealand</term>
<term>Optical thickness</term>
<term>Pollutant emission</term>
<term>Satellite observation</term>
<term>South America</term>
<term>Southern Hemisphere</term>
<term>Spatial distribution</term>
<term>Terra satellite</term>
<term>Vegetation fire</term>
<term>aerosols</term>
<term>carbon monoxide</term>
<term>combustion</term>
<term>fine-grained materials</term>
<term>fires</term>
<term>instruments</term>
<term>models</term>
<term>particles</term>
<term>pollution</term>
<term>satellite measurements</term>
<term>spatial distribution</term>
<term>time variations</term>
<term>transport</term>
<term>troposphere</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Satellite Terra</term>
<term>Pollution</term>
<term>Hémisphère Sud</term>
<term>Feu végétation</term>
<term>Fraction fine</term>
<term>Particule</term>
<term>Combustion</term>
<term>Monoxyde carbone</term>
<term>Carbone monoxyde</term>
<term>Troposphère</term>
<term>Instrumentation</term>
<term>Aérosol</term>
<term>Epaisseur optique</term>
<term>Mesure satellite</term>
<term>Observation par satellite</term>
<term>Transport</term>
<term>Modèle</term>
<term>Incendie</term>
<term>Emission polluant</term>
<term>Saison sèche</term>
<term>Variation temporelle</term>
<term>Distribution spatiale</term>
<term>Répartition spatiale</term>
<term>Afrique</term>
<term>Amérique du Sud</term>
<term>Nouvelle Zélande</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Biomass burning is a major source of pollution in the tropical Southern Hemisphere, and fine mode carbonaceous particles are produced by the same combustion processes that emit carbon monoxide (CO). In this paper we examine these emissions with data from the Terra satellite, CO profiles from the Measurement of Pollution in the Troposphere (MOPITT) instrument, and fine-mode aerosol optical depth (AOD) from the Moderate-Resolution Imaging Spectroradiometer (MODIS). The satellite measurements are used in conjunction with calculations from the MOZART chemical transport model to examine the 2003 Southern Hemisphere burning season with particular emphasis on the months of peak fire activity in September and October. Pollutant emissions follow the occurrence of dry season fires, and the temporal variation and spatial distributions of MOPITT CO and MODIS AOD are similar. We examine the outflow from Africa and South America with emphasis on the impact of these emissions on clean remote regions. We present comparisons of MOPITT observations and ground-based interferometer data from Lauder, New Zealand, which indicate that intercontinental transport of biomass burning pollution from Africa often determines the local air quality. The correlation between enhancements of AOD and CO column for distinct biomass burning plumes is very good with correlation coefficients greater than 0.8. We present a method using MOPITT and MODIS data for estimating the emission ratio of aerosol number density to CO concentration which could prove useful as input to modeling studies. We also investigate decay of plumes from African fires following export into the Indian Ocean and compare the MOPITT and MODIS measurements as a way of estimating the regional aerosol lifetime. Vertical transport of biomass burning emissions is also examined using CO profile information. Low-altitude concentrations are very high close to source regions, but further downwind of the continents, vertical mixing takes place and results in more even CO vertical distributions. In regions of significant convection, particularly in the equatorial Indian Ocean, the CO mixing ratio is greater at higher altitudes, indicating vertical transport of biomass burning emissions to the upper troposphere.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Satellite-observed pollution from Southern Hemisphere biomass burning</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>EDWARDS (D. P.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>EMMONS (L. K.)</s1>
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<fA11 i1="03" i2="1"><s1>GILLE (J. C.)</s1>
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<fA11 i1="04" i2="1"><s1>CHU (A.)</s1>
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<fA11 i1="05" i2="1"><s1>ATTIE (J.-L.)</s1>
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<fA11 i1="06" i2="1"><s1>GIGLIO (L.)</s1>
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<fA11 i1="07" i2="1"><s1>WOOD (S. W.)</s1>
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<fA11 i1="08" i2="1"><s1>HAYWOOD (J.)</s1>
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<fA11 i1="09" i2="1"><s1>DEETER (M. N.)</s1>
</fA11>
<fA11 i1="10" i2="1"><s1>MASSIE (S. T.)</s1>
</fA11>
<fA11 i1="11" i2="1"><s1>ZISKIN (D. C.)</s1>
</fA11>
<fA11 i1="12" i2="1"><s1>DRUMMOND (J. R.)</s1>
</fA11>
<fA14 i1="01"><s1>National Center for Atmospheric Research</s1>
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<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
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<fA14 i1="02"><s1>Joint Center for Earth Systems Technology, University of Maryland, Baltimore County</s1>
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<sZ>4 aut.</sZ>
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<fA14 i1="03"><s1>Observatoire Midi-Pyrénées</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
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<fA14 i1="04"><s1>NASA Goddard Space Flight Center</s1>
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<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="05"><s1>National Institute of Water and Atmospheric Research Ltd, Central Otago</s1>
<s2>Lauder</s2>
<s3>NZL</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA14 i1="06"><s1>Met Office</s1>
<s2>Exeter</s2>
<s3>GBR</s3>
<sZ>8 aut.</sZ>
</fA14>
<fA14 i1="07"><s1>Department of Physics, University of Toronto</s1>
<s2>Toronto, Ontario</s2>
<s3>CAN</s3>
<sZ>12 aut.</sZ>
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<fA21><s1>2006</s1>
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<fA47 i1="01" i2="1"><s0>06-0408047</s0>
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<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
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<fA64 i1="01" i2="1"><s0>Journal of geophysical research</s0>
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<fA66 i1="01"><s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Biomass burning is a major source of pollution in the tropical Southern Hemisphere, and fine mode carbonaceous particles are produced by the same combustion processes that emit carbon monoxide (CO). In this paper we examine these emissions with data from the Terra satellite, CO profiles from the Measurement of Pollution in the Troposphere (MOPITT) instrument, and fine-mode aerosol optical depth (AOD) from the Moderate-Resolution Imaging Spectroradiometer (MODIS). The satellite measurements are used in conjunction with calculations from the MOZART chemical transport model to examine the 2003 Southern Hemisphere burning season with particular emphasis on the months of peak fire activity in September and October. Pollutant emissions follow the occurrence of dry season fires, and the temporal variation and spatial distributions of MOPITT CO and MODIS AOD are similar. We examine the outflow from Africa and South America with emphasis on the impact of these emissions on clean remote regions. We present comparisons of MOPITT observations and ground-based interferometer data from Lauder, New Zealand, which indicate that intercontinental transport of biomass burning pollution from Africa often determines the local air quality. The correlation between enhancements of AOD and CO column for distinct biomass burning plumes is very good with correlation coefficients greater than 0.8. We present a method using MOPITT and MODIS data for estimating the emission ratio of aerosol number density to CO concentration which could prove useful as input to modeling studies. We also investigate decay of plumes from African fires following export into the Indian Ocean and compare the MOPITT and MODIS measurements as a way of estimating the regional aerosol lifetime. Vertical transport of biomass burning emissions is also examined using CO profile information. Low-altitude concentrations are very high close to source regions, but further downwind of the continents, vertical mixing takes place and results in more even CO vertical distributions. In regions of significant convection, particularly in the equatorial Indian Ocean, the CO mixing ratio is greater at higher altitudes, indicating vertical transport of biomass burning emissions to the upper troposphere.</s0>
</fC01>
<fC02 i1="01" i2="2"><s0>220</s0>
</fC02>
<fC02 i1="02" i2="3"><s0>001E</s0>
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<fC02 i1="03" i2="2"><s0>001E01</s0>
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<fC03 i1="01" i2="X" l="FRE"><s0>Satellite Terra</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Terra satellite</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Satélite Terra</s0>
<s5>01</s5>
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<fC03 i1="02" i2="2" l="FRE"><s0>Pollution</s0>
<s5>02</s5>
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<fC03 i1="02" i2="2" l="ENG"><s0>pollution</s0>
<s5>02</s5>
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<fC03 i1="02" i2="2" l="SPA"><s0>Polución</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="2" l="FRE"><s0>Hémisphère Sud</s0>
<s5>03</s5>
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<fC03 i1="03" i2="2" l="ENG"><s0>Southern Hemisphere</s0>
<s5>03</s5>
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<fC03 i1="03" i2="2" l="SPA"><s0>Hemisferio sur</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Feu végétation</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Vegetation fire</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Fuego vegetación</s0>
<s5>04</s5>
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<fC03 i1="05" i2="2" l="FRE"><s0>Fraction fine</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG"><s0>fine-grained materials</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA"><s0>Fracción fina</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE"><s0>Particule</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="ENG"><s0>particles</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE"><s0>Combustion</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG"><s0>combustion</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="SPA"><s0>Combustión</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="2" l="FRE"><s0>Monoxyde carbone</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="ENG"><s0>carbon monoxide</s0>
<s5>08</s5>
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<fC03 i1="09" i2="X" l="FRE"><s0>Carbone monoxyde</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Carbon monoxide</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Carbono monóxido</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="2" l="FRE"><s0>Troposphère</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="2" l="ENG"><s0>troposphere</s0>
<s5>10</s5>
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<fC03 i1="11" i2="2" l="FRE"><s0>Instrumentation</s0>
<s5>11</s5>
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<fC03 i1="11" i2="2" l="ENG"><s0>instruments</s0>
<s5>11</s5>
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<s5>11</s5>
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<s5>12</s5>
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<s5>12</s5>
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<fC03 i1="12" i2="2" l="SPA"><s0>Aerosol</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Epaisseur optique</s0>
<s5>13</s5>
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<fC03 i1="13" i2="X" l="ENG"><s0>Optical thickness</s0>
<s5>13</s5>
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<fC03 i1="13" i2="X" l="SPA"><s0>Espesor óptico</s0>
<s5>13</s5>
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<fC03 i1="14" i2="2" l="FRE"><s0>Mesure satellite</s0>
<s5>14</s5>
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<s5>14</s5>
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<s5>15</s5>
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<s5>15</s5>
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<s5>16</s5>
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<s5>16</s5>
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<s5>17</s5>
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<s5>17</s5>
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<fC03 i1="18" i2="2" l="FRE"><s0>Incendie</s0>
<s5>18</s5>
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<fC03 i1="18" i2="2" l="ENG"><s0>fires</s0>
<s5>18</s5>
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<fC03 i1="19" i2="X" l="FRE"><s0>Emission polluant</s0>
<s5>19</s5>
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<fC03 i1="19" i2="X" l="ENG"><s0>Pollutant emission</s0>
<s5>19</s5>
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<fC03 i1="19" i2="X" l="SPA"><s0>Emisión contaminante</s0>
<s5>19</s5>
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<fC03 i1="20" i2="X" l="FRE"><s0>Saison sèche</s0>
<s5>20</s5>
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<fC03 i1="20" i2="X" l="ENG"><s0>Dry season</s0>
<s5>20</s5>
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<fC03 i1="20" i2="X" l="SPA"><s0>Estación seca</s0>
<s5>20</s5>
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<fC03 i1="21" i2="2" l="FRE"><s0>Variation temporelle</s0>
<s5>21</s5>
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<s5>21</s5>
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<s5>21</s5>
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<server><NO>PASCAL 06-0408047 INIST</NO>
<ET>Satellite-observed pollution from Southern Hemisphere biomass burning</ET>
<AU>EDWARDS (D. P.); EMMONS (L. K.); GILLE (J. C.); CHU (A.); ATTIE (J.-L.); GIGLIO (L.); WOOD (S. W.); HAYWOOD (J.); DEETER (M. N.); MASSIE (S. T.); ZISKIN (D. C.); DRUMMOND (J. R.)</AU>
<AF>National Center for Atmospheric Research/Boulder, Colorado/Etats-Unis (1 aut., 2 aut., 3 aut., 9 aut., 10 aut., 11 aut.); Joint Center for Earth Systems Technology, University of Maryland, Baltimore County/Baltimore, Maryland/Etats-Unis (4 aut.); Observatoire Midi-Pyrénées/Toulouse/France (5 aut.); NASA Goddard Space Flight Center/Greenbelt, Maryland/Etats-Unis (6 aut.); National Institute of Water and Atmospheric Research Ltd, Central Otago/Lauder/Nouvelle-Zélande (7 aut.); Met Office/Exeter/Royaume-Uni (8 aut.); Department of Physics, University of Toronto/Toronto, Ontario/Canada (12 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2006; Vol. 111; No. D14; D14312.1-D14312.17; Bibl. 2 p.1/4</SO>
<LA>Anglais</LA>
<EA>Biomass burning is a major source of pollution in the tropical Southern Hemisphere, and fine mode carbonaceous particles are produced by the same combustion processes that emit carbon monoxide (CO). In this paper we examine these emissions with data from the Terra satellite, CO profiles from the Measurement of Pollution in the Troposphere (MOPITT) instrument, and fine-mode aerosol optical depth (AOD) from the Moderate-Resolution Imaging Spectroradiometer (MODIS). The satellite measurements are used in conjunction with calculations from the MOZART chemical transport model to examine the 2003 Southern Hemisphere burning season with particular emphasis on the months of peak fire activity in September and October. Pollutant emissions follow the occurrence of dry season fires, and the temporal variation and spatial distributions of MOPITT CO and MODIS AOD are similar. We examine the outflow from Africa and South America with emphasis on the impact of these emissions on clean remote regions. We present comparisons of MOPITT observations and ground-based interferometer data from Lauder, New Zealand, which indicate that intercontinental transport of biomass burning pollution from Africa often determines the local air quality. The correlation between enhancements of AOD and CO column for distinct biomass burning plumes is very good with correlation coefficients greater than 0.8. We present a method using MOPITT and MODIS data for estimating the emission ratio of aerosol number density to CO concentration which could prove useful as input to modeling studies. We also investigate decay of plumes from African fires following export into the Indian Ocean and compare the MOPITT and MODIS measurements as a way of estimating the regional aerosol lifetime. Vertical transport of biomass burning emissions is also examined using CO profile information. Low-altitude concentrations are very high close to source regions, but further downwind of the continents, vertical mixing takes place and results in more even CO vertical distributions. In regions of significant convection, particularly in the equatorial Indian Ocean, the CO mixing ratio is greater at higher altitudes, indicating vertical transport of biomass burning emissions to the upper troposphere.</EA>
<CC>220; 001E; 001E01</CC>
<FD>Satellite Terra; Pollution; Hémisphère Sud; Feu végétation; Fraction fine; Particule; Combustion; Monoxyde carbone; Carbone monoxyde; Troposphère; Instrumentation; Aérosol; Epaisseur optique; Mesure satellite; Observation par satellite; Transport; Modèle; Incendie; Emission polluant; Saison sèche; Variation temporelle; Distribution spatiale; Répartition spatiale; Afrique; Amérique du Sud; Nouvelle Zélande</FD>
<FG>Australasie</FG>
<ED>Terra satellite; pollution; Southern Hemisphere; Vegetation fire; fine-grained materials; particles; combustion; carbon monoxide; Carbon monoxide; troposphere; instruments; aerosols; Optical thickness; satellite measurements; Satellite observation; transport; models; fires; Pollutant emission; Dry season; time variations; spatial distribution; Spatial distribution; Africa; South America; New Zealand</ED>
<EG>Australasia</EG>
<SD>Satélite Terra; Polución; Hemisferio sur; Fuego vegetación; Fracción fina; Combustión; Carbono monóxido; Instrumentación; Aerosol; Espesor óptico; Observación por satélite; Transporte; Modelo; Emisión contaminante; Estación seca; Variación temporal; Distribución espacial; Distribución espacial; Africa; America del sur; Nueva Zelandia</SD>
<LO>INIST-3144.354000133564730350</LO>
<ID>06-0408047</ID>
</server>
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Satellite-observed pollution from Southern Hemisphere biomass burning

Satellite-observed pollution from Southern Hemisphere biomass burning

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