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Characteristics of tropospheric ozone variability over an urban site in Southeast Asia: A study based on MOZAIC and MOZART vertical profiles

Identifieur interne : 000017 ( PascalFrancis/Corpus ); précédent : 000016; suivant : 000018

Characteristics of tropospheric ozone variability over an urban site in Southeast Asia: A study based on MOZAIC and MOZART vertical profiles

Auteurs : L. K. Sahu ; Varun Sheel ; M. Kajino ; Sachin S. Gunthe ; Valérie Thouret ; P. Nedelec ; Herman G. Smit

Source :

RBID : Pascal:13-0345163

Descripteurs français

English descriptors

Abstract

[1] The Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft (MOZAIC) profiles of O3 and CO were analyzed to study their variation in the troposphere over Bangkok. Mixing ratios of O3 and CO were enhanced in planetary boundary layer (PBL) being highest in winter followed by summer and wet seasons. The daytime profiles of O3 show higher values compared to nighttime observations in PBL region, but little differences were observed in the free troposphere. The decreasing mixing ratios of O3 in the lower and upper troposphere were associated with shallow and deep convections, respectively. Back trajectory and fire count data indicate that the seasonal variations in trace gases were caused mainly by the regional shift in long-range transport and biomass-burning patterns. In wet season, flow of oceanic air and negligible presence of local biomass burning resulted in lowest O3 and CO, while their high levels in dry season were due to extensive biomass burning and transport of continental air masses. The Model for Ozone and Related Chemical Tracers (MOZART) underestimated both O3 and CO in the PBL region but overestimated these in the free troposphere. Simulations of O3 and CO also show the daytime/nighttime differences but do not capture several key features observed in the vertical distributions. The observed and simulated values of O3 and CO during September-November 2006 were significantly higher than the same period of 2005. The year-to-year differences were mainly due to El Nino-led extensive fires in Indonesia during 2006 but normal condition during 2005.

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Pour connaître la documentation sur le format Inist Standard.

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A03   1    @0 J. geophys. res., Atmos. : (Print)
A05       @2 118
A06       @2 15
A08 01  1  ENG  @1 Characteristics of tropospheric ozone variability over an urban site in Southeast Asia: A study based on MOZAIC and MOZART vertical profiles
A11 01  1    @1 SAHU (L. K.)
A11 02  1    @1 SHEEL (Varun)
A11 03  1    @1 KAJINO (M.)
A11 04  1    @1 GUNTHE (Sachin S.)
A11 05  1    @1 THOURET (Valérie)
A11 06  1    @1 NEDELEC (P.)
A11 07  1    @1 SMIT (Herman G.)
A14 01      @1 Physical Research Laboratory @2 Ahmedabad @3 IND @Z 1 aut. @Z 2 aut.
A14 02      @1 Meteorological Research Institute, Japan Meteorological Agency @2 Tsukuba @3 JPN @Z 3 aut.
A14 03      @1 Environmental and Water Resources Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras @2 Chennai @3 IND @Z 4 aut.
A14 04      @1 Laboratoire d'A'erologie, CNRS, Observatoire Midi-Pyr'en'ees, UMR @2 5560, Toulouse @3 FRA @Z 5 aut.
A14 05      @1 Laboratoire d'Aérologie, Unité Mixte de Recherche 5560, Centre National de la Recherche Scientifique/Université Paul Sabatier, Observatoire Midi-Pyrénées @2 Toulouse @3 FRA @Z 6 aut.
A14 06      @1 Institute for Chemistry of the Polluted Atmosphere, Research Center Jülich @2 Jülich @3 DEU @Z 7 aut.
A20       @1 8729-8747
A21       @1 2013
A23 01      @0 ENG
A43 01      @1 INIST @2 3144D1 @5 354000505837320430
A44       @0 0000 @1 © 2013 INIST-CNRS. All rights reserved.
A45       @0 1 p.1/2
A47 01  1    @0 13-0345163
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of geophysical research. Atmospheres : (Print)
A66 01      @0 USA
C01 01    ENG  @0 [1] The Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft (MOZAIC) profiles of O3 and CO were analyzed to study their variation in the troposphere over Bangkok. Mixing ratios of O3 and CO were enhanced in planetary boundary layer (PBL) being highest in winter followed by summer and wet seasons. The daytime profiles of O3 show higher values compared to nighttime observations in PBL region, but little differences were observed in the free troposphere. The decreasing mixing ratios of O3 in the lower and upper troposphere were associated with shallow and deep convections, respectively. Back trajectory and fire count data indicate that the seasonal variations in trace gases were caused mainly by the regional shift in long-range transport and biomass-burning patterns. In wet season, flow of oceanic air and negligible presence of local biomass burning resulted in lowest O3 and CO, while their high levels in dry season were due to extensive biomass burning and transport of continental air masses. The Model for Ozone and Related Chemical Tracers (MOZART) underestimated both O3 and CO in the PBL region but overestimated these in the free troposphere. Simulations of O3 and CO also show the daytime/nighttime differences but do not capture several key features observed in the vertical distributions. The observed and simulated values of O3 and CO during September-November 2006 were significantly higher than the same period of 2005. The year-to-year differences were mainly due to El Nino-led extensive fires in Indonesia during 2006 but normal condition during 2005.
C02 01  2    @0 001E02D
C03 01  2  FRE  @0 Troposphère @5 01
C03 01  2  ENG  @0 troposphere @5 01
C03 02  2  FRE  @0 Ozone @5 02
C03 02  2  ENG  @0 ozone @5 02
C03 02  2  SPA  @0 Ozono @5 02
C03 03  2  FRE  @0 Zone urbaine @5 03
C03 03  2  ENG  @0 urban areas @5 03
C03 03  2  SPA  @0 Zona urbana @5 03
C03 04  X  FRE  @0 Profil vertical @5 04
C03 04  X  ENG  @0 Vertical profile @5 04
C03 04  X  SPA  @0 Perfil vertical @5 04
C03 05  2  FRE  @0 Vapeur eau @5 05
C03 05  2  ENG  @0 water vapor @5 05
C03 05  2  SPA  @0 Vapor agua @5 05
C03 06  X  FRE  @0 Rapport mélange @5 06
C03 06  X  ENG  @0 Mixing ratio @5 06
C03 06  X  SPA  @0 Relación mezcla @5 06
C03 07  X  FRE  @0 Couche limite atmosphérique @5 07
C03 07  X  ENG  @0 Atmospheric boundary layer @5 07
C03 07  X  SPA  @0 Capa límite atmosférico @5 07
C03 08  X  FRE  @0 Hiver @5 08
C03 08  X  ENG  @0 Winter @5 08
C03 08  X  SPA  @0 Invierno @5 08
C03 09  X  FRE  @0 Eté @5 09
C03 09  X  ENG  @0 Summer @5 09
C03 09  X  SPA  @0 Verano @5 09
C03 10  X  FRE  @0 Saison humide @5 10
C03 10  X  ENG  @0 Rainy season @5 10
C03 10  X  SPA  @0 Estación húmeda @5 10
C03 11  2  FRE  @0 Variation saisonnière @5 11
C03 11  2  ENG  @0 seasonal variations @5 11
C03 11  2  SPA  @0 Variación estacional @5 11
C03 12  X  FRE  @0 Composé trace @5 12
C03 12  X  ENG  @0 Trace compound @5 12
C03 12  X  SPA  @0 Compuesto huella @5 12
C03 13  X  FRE  @0 Echelon régional @5 13
C03 13  X  ENG  @0 Regional scope @5 13
C03 13  X  SPA  @0 Escala regional @5 13
C03 14  3  FRE  @0 Transport grande distance @5 14
C03 14  3  ENG  @0 Long-range transport @5 14
C03 15  X  FRE  @0 Feu végétation @5 15
C03 15  X  ENG  @0 Vegetation fire @5 15
C03 15  X  SPA  @0 Fuego vegetación @5 15
C03 16  X  FRE  @0 Saison sèche @5 16
C03 16  X  ENG  @0 Dry season @5 16
C03 16  X  SPA  @0 Estación seca @5 16
C03 17  2  FRE  @0 Modèle @5 17
C03 17  2  ENG  @0 models @5 17
C03 17  2  SPA  @0 Modelo @5 17
C03 18  2  FRE  @0 Traceur @5 18
C03 18  2  ENG  @0 tracers @5 18
C03 18  2  SPA  @0 Trazador @5 18
C03 19  2  FRE  @0 El Nino @5 19
C03 19  2  ENG  @0 El Nino @5 19
C03 20  X  FRE  @0 Asie du sud est @2 NG @5 21
C03 20  X  ENG  @0 South east Asia @2 NG @5 21
C03 20  X  SPA  @0 Asia del sureste @2 NG @5 21
C03 21  2  FRE  @0 Indonésie @2 NG @5 22
C03 21  2  ENG  @0 Indonesia @2 NG @5 22
C03 21  2  SPA  @0 Indonesia @2 NG @5 22
C03 22  2  FRE  @0 Mégapole @4 CD @5 96
C03 22  2  ENG  @0 Megacity @4 CD @5 96
C03 22  2  SPA  @0 Megaciudad @4 CD @5 96
C03 23  2  FRE  @0 Convection peu profonde @4 CD @5 97
C03 23  2  ENG  @0 Shallow convection @4 CD @5 97
C03 23  2  SPA  @0 Convección poco profunda @4 CD @5 97
C03 24  2  FRE  @0 Convection profonde @4 CD @5 98
C03 24  2  ENG  @0 Deep convection @4 CD @5 98
C03 24  2  SPA  @0 Convección profunda @4 CD @5 98
C03 25  2  FRE  @0 Rétro-trajectoire @4 CD @5 99
C03 25  2  ENG  @0 Backward trajectory @4 CD @5 99
C03 25  2  SPA  @0 Retro-trayectoria @4 CD @5 99
C07 01  X  FRE  @0 Asie @2 NG
C07 01  X  ENG  @0 Asia @2 NG
C07 01  X  SPA  @0 Asia @2 NG
C07 02  2  FRE  @0 Extrême Orient @2 NG
C07 02  2  ENG  @0 Far East @2 NG
C07 02  2  SPA  @0 Extremo Oriente @2 NG
C07 03  2  FRE  @0 Asie @2 564
C07 03  2  ENG  @0 Asia @2 564
C07 03  2  SPA  @0 Asia @2 564
N21       @1 329
N44 01      @1 OTO
N82       @1 OTO

Format Inist (serveur)

NO : PASCAL 13-0345163 INIST
ET : Characteristics of tropospheric ozone variability over an urban site in Southeast Asia: A study based on MOZAIC and MOZART vertical profiles
AU : SAHU (L. K.); SHEEL (Varun); KAJINO (M.); GUNTHE (Sachin S.); THOURET (Valérie); NEDELEC (P.); SMIT (Herman G.)
AF : Physical Research Laboratory/Ahmedabad/Inde (1 aut., 2 aut.); Meteorological Research Institute, Japan Meteorological Agency/Tsukuba/Japon (3 aut.); Environmental and Water Resources Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras/Chennai/Inde (4 aut.); Laboratoire d'A'erologie, CNRS, Observatoire Midi-Pyr'en'ees, UMR/5560, Toulouse/France (5 aut.); Laboratoire d'Aérologie, Unité Mixte de Recherche 5560, Centre National de la Recherche Scientifique/Université Paul Sabatier, Observatoire Midi-Pyrénées/Toulouse/France (6 aut.); Institute for Chemistry of the Polluted Atmosphere, Research Center Jülich/Jülich/Allemagne (7 aut.)
DT : Publication en série; Niveau analytique
SO : Journal of geophysical research. Atmospheres : (Print); ISSN 2169-897X; Etats-Unis; Da. 2013; Vol. 118; No. 15; Pp. 8729-8747; Bibl. 1 p.1/2
LA : Anglais
EA : [1] The Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft (MOZAIC) profiles of O3 and CO were analyzed to study their variation in the troposphere over Bangkok. Mixing ratios of O3 and CO were enhanced in planetary boundary layer (PBL) being highest in winter followed by summer and wet seasons. The daytime profiles of O3 show higher values compared to nighttime observations in PBL region, but little differences were observed in the free troposphere. The decreasing mixing ratios of O3 in the lower and upper troposphere were associated with shallow and deep convections, respectively. Back trajectory and fire count data indicate that the seasonal variations in trace gases were caused mainly by the regional shift in long-range transport and biomass-burning patterns. In wet season, flow of oceanic air and negligible presence of local biomass burning resulted in lowest O3 and CO, while their high levels in dry season were due to extensive biomass burning and transport of continental air masses. The Model for Ozone and Related Chemical Tracers (MOZART) underestimated both O3 and CO in the PBL region but overestimated these in the free troposphere. Simulations of O3 and CO also show the daytime/nighttime differences but do not capture several key features observed in the vertical distributions. The observed and simulated values of O3 and CO during September-November 2006 were significantly higher than the same period of 2005. The year-to-year differences were mainly due to El Nino-led extensive fires in Indonesia during 2006 but normal condition during 2005.
CC : 001E02D
FD : Troposphère; Ozone; Zone urbaine; Profil vertical; Vapeur eau; Rapport mélange; Couche limite atmosphérique; Hiver; Eté; Saison humide; Variation saisonnière; Composé trace; Echelon régional; Transport grande distance; Feu végétation; Saison sèche; Modèle; Traceur; El Nino; Asie du sud est; Indonésie; Mégapole; Convection peu profonde; Convection profonde; Rétro-trajectoire
FG : Asie; Extrême Orient; Asie
ED : troposphere; ozone; urban areas; Vertical profile; water vapor; Mixing ratio; Atmospheric boundary layer; Winter; Summer; Rainy season; seasonal variations; Trace compound; Regional scope; Long-range transport; Vegetation fire; Dry season; models; tracers; El Nino; South east Asia; Indonesia; Megacity; Shallow convection; Deep convection; Backward trajectory
EG : Asia; Far East; Asia
SD : Ozono; Zona urbana; Perfil vertical; Vapor agua; Relación mezcla; Capa límite atmosférico; Invierno; Verano; Estación húmeda; Variación estacional; Compuesto huella; Escala regional; Fuego vegetación; Estación seca; Modelo; Trazador; Asia del sureste; Indonesia; Megaciudad; Convección poco profunda; Convección profunda; Retro-trayectoria
LO : INIST-3144D1.354000505837320430
ID : 13-0345163

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Pascal:13-0345163

Le document en format XML

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<term>Feu végétation</term>
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<div type="abstract" xml:lang="en">[1] The Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft (MOZAIC) profiles of O
<sub>3</sub>
and CO were analyzed to study their variation in the troposphere over Bangkok. Mixing ratios of O
<sub>3</sub>
and CO were enhanced in planetary boundary layer (PBL) being highest in winter followed by summer and wet seasons. The daytime profiles of O
<sub>3</sub>
show higher values compared to nighttime observations in PBL region, but little differences were observed in the free troposphere. The decreasing mixing ratios of O
<sub>3</sub>
in the lower and upper troposphere were associated with shallow and deep convections, respectively. Back trajectory and fire count data indicate that the seasonal variations in trace gases were caused mainly by the regional shift in long-range transport and biomass-burning patterns. In wet season, flow of oceanic air and negligible presence of local biomass burning resulted in lowest O
<sub>3</sub>
and CO, while their high levels in dry season were due to extensive biomass burning and transport of continental air masses. The Model for Ozone and Related Chemical Tracers (MOZART) underestimated both O
<sub>3</sub>
and CO in the PBL region but overestimated these in the free troposphere. Simulations of O
<sub>3</sub>
and CO also show the daytime/nighttime differences but do not capture several key features observed in the vertical distributions. The observed and simulated values of O
<sub>3</sub>
and CO during September-November 2006 were significantly higher than the same period of 2005. The year-to-year differences were mainly due to El Nino-led extensive fires in Indonesia during 2006 but normal condition during 2005.</div>
</front>
</TEI>
<inist>
<standard h6="B">
<pA>
<fA01 i1="01" i2="1">
<s0>2169-897X</s0>
</fA01>
<fA03 i2="1">
<s0>J. geophys. res., Atmos. : (Print)</s0>
</fA03>
<fA05>
<s2>118</s2>
</fA05>
<fA06>
<s2>15</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG">
<s1>Characteristics of tropospheric ozone variability over an urban site in Southeast Asia: A study based on MOZAIC and MOZART vertical profiles</s1>
</fA08>
<fA11 i1="01" i2="1">
<s1>SAHU (L. K.)</s1>
</fA11>
<fA11 i1="02" i2="1">
<s1>SHEEL (Varun)</s1>
</fA11>
<fA11 i1="03" i2="1">
<s1>KAJINO (M.)</s1>
</fA11>
<fA11 i1="04" i2="1">
<s1>GUNTHE (Sachin S.)</s1>
</fA11>
<fA11 i1="05" i2="1">
<s1>THOURET (Valérie)</s1>
</fA11>
<fA11 i1="06" i2="1">
<s1>NEDELEC (P.)</s1>
</fA11>
<fA11 i1="07" i2="1">
<s1>SMIT (Herman G.)</s1>
</fA11>
<fA14 i1="01">
<s1>Physical Research Laboratory</s1>
<s2>Ahmedabad</s2>
<s3>IND</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="02">
<s1>Meteorological Research Institute, Japan Meteorological Agency</s1>
<s2>Tsukuba</s2>
<s3>JPN</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="03">
<s1>Environmental and Water Resources Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras</s1>
<s2>Chennai</s2>
<s3>IND</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA14 i1="04">
<s1>Laboratoire d'A'erologie, CNRS, Observatoire Midi-Pyr'en'ees, UMR</s1>
<s2>5560, Toulouse</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="05">
<s1>Laboratoire d'Aérologie, Unité Mixte de Recherche 5560, Centre National de la Recherche Scientifique/Université Paul Sabatier, Observatoire Midi-Pyrénées</s1>
<s2>Toulouse</s2>
<s3>FRA</s3>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="06">
<s1>Institute for Chemistry of the Polluted Atmosphere, Research Center Jülich</s1>
<s2>Jülich</s2>
<s3>DEU</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA20>
<s1>8729-8747</s1>
</fA20>
<fA21>
<s1>2013</s1>
</fA21>
<fA23 i1="01">
<s0>ENG</s0>
</fA23>
<fA43 i1="01">
<s1>INIST</s1>
<s2>3144D1</s2>
<s5>354000505837320430</s5>
</fA43>
<fA44>
<s0>0000</s0>
<s1>© 2013 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45>
<s0>1 p.1/2</s0>
</fA45>
<fA47 i1="01" i2="1">
<s0>13-0345163</s0>
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<fA60>
<s1>P</s1>
</fA60>
<fA61>
<s0>A</s0>
</fA61>
<fA64 i1="01" i2="1">
<s0>Journal of geophysical research. Atmospheres : (Print)</s0>
</fA64>
<fA66 i1="01">
<s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG">
<s0>[1] The Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft (MOZAIC) profiles of O
<sub>3</sub>
and CO were analyzed to study their variation in the troposphere over Bangkok. Mixing ratios of O
<sub>3</sub>
and CO were enhanced in planetary boundary layer (PBL) being highest in winter followed by summer and wet seasons. The daytime profiles of O
<sub>3</sub>
show higher values compared to nighttime observations in PBL region, but little differences were observed in the free troposphere. The decreasing mixing ratios of O
<sub>3</sub>
in the lower and upper troposphere were associated with shallow and deep convections, respectively. Back trajectory and fire count data indicate that the seasonal variations in trace gases were caused mainly by the regional shift in long-range transport and biomass-burning patterns. In wet season, flow of oceanic air and negligible presence of local biomass burning resulted in lowest O
<sub>3</sub>
and CO, while their high levels in dry season were due to extensive biomass burning and transport of continental air masses. The Model for Ozone and Related Chemical Tracers (MOZART) underestimated both O
<sub>3</sub>
and CO in the PBL region but overestimated these in the free troposphere. Simulations of O
<sub>3</sub>
and CO also show the daytime/nighttime differences but do not capture several key features observed in the vertical distributions. The observed and simulated values of O
<sub>3</sub>
and CO during September-November 2006 were significantly higher than the same period of 2005. The year-to-year differences were mainly due to El Nino-led extensive fires in Indonesia during 2006 but normal condition during 2005.</s0>
</fC01>
<fC02 i1="01" i2="2">
<s0>001E02D</s0>
</fC02>
<fC03 i1="01" i2="2" l="FRE">
<s0>Troposphère</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="2" l="ENG">
<s0>troposphere</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="2" l="FRE">
<s0>Ozone</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="ENG">
<s0>ozone</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="SPA">
<s0>Ozono</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="2" l="FRE">
<s0>Zone urbaine</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="2" l="ENG">
<s0>urban areas</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="2" l="SPA">
<s0>Zona urbana</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE">
<s0>Profil vertical</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG">
<s0>Vertical profile</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA">
<s0>Perfil vertical</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE">
<s0>Vapeur eau</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG">
<s0>water vapor</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA">
<s0>Vapor agua</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE">
<s0>Rapport mélange</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG">
<s0>Mixing ratio</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA">
<s0>Relación mezcla</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE">
<s0>Couche limite atmosphérique</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG">
<s0>Atmospheric boundary layer</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA">
<s0>Capa límite atmosférico</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE">
<s0>Hiver</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG">
<s0>Winter</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA">
<s0>Invierno</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE">
<s0>Eté</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG">
<s0>Summer</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA">
<s0>Verano</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE">
<s0>Saison humide</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG">
<s0>Rainy season</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA">
<s0>Estación húmeda</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="2" l="FRE">
<s0>Variation saisonnière</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="2" l="ENG">
<s0>seasonal variations</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="2" l="SPA">
<s0>Variación estacional</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE">
<s0>Composé trace</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG">
<s0>Trace compound</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA">
<s0>Compuesto huella</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE">
<s0>Echelon régional</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG">
<s0>Regional scope</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA">
<s0>Escala regional</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE">
<s0>Transport grande distance</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG">
<s0>Long-range transport</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE">
<s0>Feu végétation</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG">
<s0>Vegetation fire</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA">
<s0>Fuego vegetación</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE">
<s0>Saison sèche</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG">
<s0>Dry season</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA">
<s0>Estación seca</s0>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="2" l="FRE">
<s0>Modèle</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="2" l="ENG">
<s0>models</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="2" l="SPA">
<s0>Modelo</s0>
<s5>17</s5>
</fC03>
<fC03 i1="18" i2="2" l="FRE">
<s0>Traceur</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="2" l="ENG">
<s0>tracers</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="2" l="SPA">
<s0>Trazador</s0>
<s5>18</s5>
</fC03>
<fC03 i1="19" i2="2" l="FRE">
<s0>El Nino</s0>
<s5>19</s5>
</fC03>
<fC03 i1="19" i2="2" l="ENG">
<s0>El Nino</s0>
<s5>19</s5>
</fC03>
<fC03 i1="20" i2="X" l="FRE">
<s0>Asie du sud est</s0>
<s2>NG</s2>
<s5>21</s5>
</fC03>
<fC03 i1="20" i2="X" l="ENG">
<s0>South east Asia</s0>
<s2>NG</s2>
<s5>21</s5>
</fC03>
<fC03 i1="20" i2="X" l="SPA">
<s0>Asia del sureste</s0>
<s2>NG</s2>
<s5>21</s5>
</fC03>
<fC03 i1="21" i2="2" l="FRE">
<s0>Indonésie</s0>
<s2>NG</s2>
<s5>22</s5>
</fC03>
<fC03 i1="21" i2="2" l="ENG">
<s0>Indonesia</s0>
<s2>NG</s2>
<s5>22</s5>
</fC03>
<fC03 i1="21" i2="2" l="SPA">
<s0>Indonesia</s0>
<s2>NG</s2>
<s5>22</s5>
</fC03>
<fC03 i1="22" i2="2" l="FRE">
<s0>Mégapole</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="22" i2="2" l="ENG">
<s0>Megacity</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="22" i2="2" l="SPA">
<s0>Megaciudad</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="23" i2="2" l="FRE">
<s0>Convection peu profonde</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="23" i2="2" l="ENG">
<s0>Shallow convection</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="23" i2="2" l="SPA">
<s0>Convección poco profunda</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="24" i2="2" l="FRE">
<s0>Convection profonde</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC03 i1="24" i2="2" l="ENG">
<s0>Deep convection</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC03 i1="24" i2="2" l="SPA">
<s0>Convección profunda</s0>
<s4>CD</s4>
<s5>98</s5>
</fC03>
<fC03 i1="25" i2="2" l="FRE">
<s0>Rétro-trajectoire</s0>
<s4>CD</s4>
<s5>99</s5>
</fC03>
<fC03 i1="25" i2="2" l="ENG">
<s0>Backward trajectory</s0>
<s4>CD</s4>
<s5>99</s5>
</fC03>
<fC03 i1="25" i2="2" l="SPA">
<s0>Retro-trayectoria</s0>
<s4>CD</s4>
<s5>99</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE">
<s0>Asie</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG">
<s0>Asia</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA">
<s0>Asia</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="FRE">
<s0>Extrême Orient</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="ENG">
<s0>Far East</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="SPA">
<s0>Extremo Oriente</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="03" i2="2" l="FRE">
<s0>Asie</s0>
<s2>564</s2>
</fC07>
<fC07 i1="03" i2="2" l="ENG">
<s0>Asia</s0>
<s2>564</s2>
</fC07>
<fC07 i1="03" i2="2" l="SPA">
<s0>Asia</s0>
<s2>564</s2>
</fC07>
<fN21>
<s1>329</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
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<NO>PASCAL 13-0345163 INIST</NO>
<ET>Characteristics of tropospheric ozone variability over an urban site in Southeast Asia: A study based on MOZAIC and MOZART vertical profiles</ET>
<AU>SAHU (L. K.); SHEEL (Varun); KAJINO (M.); GUNTHE (Sachin S.); THOURET (Valérie); NEDELEC (P.); SMIT (Herman G.)</AU>
<AF>Physical Research Laboratory/Ahmedabad/Inde (1 aut., 2 aut.); Meteorological Research Institute, Japan Meteorological Agency/Tsukuba/Japon (3 aut.); Environmental and Water Resources Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras/Chennai/Inde (4 aut.); Laboratoire d'A'erologie, CNRS, Observatoire Midi-Pyr'en'ees, UMR/5560, Toulouse/France (5 aut.); Laboratoire d'Aérologie, Unité Mixte de Recherche 5560, Centre National de la Recherche Scientifique/Université Paul Sabatier, Observatoire Midi-Pyrénées/Toulouse/France (6 aut.); Institute for Chemistry of the Polluted Atmosphere, Research Center Jülich/Jülich/Allemagne (7 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of geophysical research. Atmospheres : (Print); ISSN 2169-897X; Etats-Unis; Da. 2013; Vol. 118; No. 15; Pp. 8729-8747; Bibl. 1 p.1/2</SO>
<LA>Anglais</LA>
<EA>[1] The Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft (MOZAIC) profiles of O
<sub>3</sub>
and CO were analyzed to study their variation in the troposphere over Bangkok. Mixing ratios of O
<sub>3</sub>
and CO were enhanced in planetary boundary layer (PBL) being highest in winter followed by summer and wet seasons. The daytime profiles of O
<sub>3</sub>
show higher values compared to nighttime observations in PBL region, but little differences were observed in the free troposphere. The decreasing mixing ratios of O
<sub>3</sub>
in the lower and upper troposphere were associated with shallow and deep convections, respectively. Back trajectory and fire count data indicate that the seasonal variations in trace gases were caused mainly by the regional shift in long-range transport and biomass-burning patterns. In wet season, flow of oceanic air and negligible presence of local biomass burning resulted in lowest O
<sub>3</sub>
and CO, while their high levels in dry season were due to extensive biomass burning and transport of continental air masses. The Model for Ozone and Related Chemical Tracers (MOZART) underestimated both O
<sub>3</sub>
and CO in the PBL region but overestimated these in the free troposphere. Simulations of O
<sub>3</sub>
and CO also show the daytime/nighttime differences but do not capture several key features observed in the vertical distributions. The observed and simulated values of O
<sub>3</sub>
and CO during September-November 2006 were significantly higher than the same period of 2005. The year-to-year differences were mainly due to El Nino-led extensive fires in Indonesia during 2006 but normal condition during 2005.</EA>
<CC>001E02D</CC>
<FD>Troposphère; Ozone; Zone urbaine; Profil vertical; Vapeur eau; Rapport mélange; Couche limite atmosphérique; Hiver; Eté; Saison humide; Variation saisonnière; Composé trace; Echelon régional; Transport grande distance; Feu végétation; Saison sèche; Modèle; Traceur; El Nino; Asie du sud est; Indonésie; Mégapole; Convection peu profonde; Convection profonde; Rétro-trajectoire</FD>
<FG>Asie; Extrême Orient; Asie</FG>
<ED>troposphere; ozone; urban areas; Vertical profile; water vapor; Mixing ratio; Atmospheric boundary layer; Winter; Summer; Rainy season; seasonal variations; Trace compound; Regional scope; Long-range transport; Vegetation fire; Dry season; models; tracers; El Nino; South east Asia; Indonesia; Megacity; Shallow convection; Deep convection; Backward trajectory</ED>
<EG>Asia; Far East; Asia</EG>
<SD>Ozono; Zona urbana; Perfil vertical; Vapor agua; Relación mezcla; Capa límite atmosférico; Invierno; Verano; Estación húmeda; Variación estacional; Compuesto huella; Escala regional; Fuego vegetación; Estación seca; Modelo; Trazador; Asia del sureste; Indonesia; Megaciudad; Convección poco profunda; Convección profunda; Retro-trayectoria</SD>
<LO>INIST-3144D1.354000505837320430</LO>
<ID>13-0345163</ID>
</server>
</inist>
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