MozartV1, PascalFrancis, Corpus, bibRecord, 000090

Transport pathways of carbon monoxide in the Asian summer monsoon diagnosed from Model of Ozone and Related Tracers (MOZART)

Identifieur interne : 000090 ( PascalFrancis/Corpus ); précédent : 000089; suivant : 000091

Transport pathways of carbon monoxide in the Asian summer monsoon diagnosed from Model of Ozone and Related Tracers (MOZART)

Auteurs : Mijeong Park ; William J. Randel ; Louisa K. Emmons ; Nathaniel J. Livesey

Source :

Journal of geophysical research [ 0148-0227 ] ; 2009.

RBID : Pascal:09-0250319

Descripteurs français

Pascal (Inist)
- Transport, Monoxyde carbone, Monoxyde de carbone, Mousson été, Modèle, Ozone, Traceur, Observation par satellite, Troposphère, Stratosphère, Anticyclone, Circulation, Air, Pollution, Altitude, Tropopause, Monde, Champ météorologique, Simulation, Eté, Hyperfréquence, Chimie atmosphérique, Etude expérimentale, Transformation Fourier, Convection, Asie Sud Est, Inde, Moyen Orient.

English descriptors

KwdEn :
- Anticyclone, Atmospheric chemistry, Carbon monoxide, Fourier transformation, India, Meteorological field, Middle East, Satellite observation, Southeast Asia, Summer, Summer monsoon, Tropopause, air, altitude, carbon monoxide, circulation, convection, experimental studies, global, microwaves, models, ozone, pollution, simulation, stratosphere, tracers, transport, troposphere.

Abstract

[1] Satellite observations of tropospheric chemical constituents (such as carbon monoxide, CO) reveal a persistent maximum in the upper troposphere-lower stratosphere (UTLS) associated with the Asian summer monsoon anticyclone. Diagnostic studies suggest that the strong anticyclonic circulation acts to confine air masses, but the sources of pollution and transport pathways to altitudes near the tropopause are the subject of debate. Here we use the Model for Ozone and Related Tracers 4 (MOZART-4) global chemistry transport model, driven by analyzed meteorological fields, to study the source and transport of CO in the Asian monsoon circulation. A MOZART-4 simulation for one summer is performed, and results are compared with satellite observations of CO from the Aura Microwave Limb Sounder and the Atmospheric Chemistry Experiment Fourier Transform Spectrometer. Overall, good agreement is found between the modeled and observed CO in the UTLS, promoting confidence in the model simulation. The model results are then analyzed to understand the sources and transport pathways of CO in the Asian monsoon region, and within the anticyclone in particular. The results show that CO is transported upward by monsoon deep convection, with the main surface sources from India and Southeast Asia. The uppermost altitude of the convective transport is ∼12 km, near the level of main deep convective outflow, and much of the CO is then advected in the upper troposphere northeastward across the Pacific Ocean and southwestward with the cross-equatorial Hadley flow. However, some of the CO is also advected vertically to altitudes near the tropopause (∼16 km) by the large-scale upward circulation on the eastern side of the anticyclone, and this air then becomes trapped within the anticyclone (to the west of the convection, extending to the Middle East). Within the anticyclone, the modeled CO shows a relative maximum near 15 km, in good agreement with observations.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`02`	`1`		`@1 RANDEL (William J.)`
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C01	`01`		`ENG`	@0 [1] Satellite observations of tropospheric chemical constituents (such as carbon monoxide, CO) reveal a persistent maximum in the upper troposphere-lower stratosphere (UTLS) associated with the Asian summer monsoon anticyclone. Diagnostic studies suggest that the strong anticyclonic circulation acts to confine air masses, but the sources of pollution and transport pathways to altitudes near the tropopause are the subject of debate. Here we use the Model for Ozone and Related Tracers 4 (MOZART-4) global chemistry transport model, driven by analyzed meteorological fields, to study the source and transport of CO in the Asian monsoon circulation. A MOZART-4 simulation for one summer is performed, and results are compared with satellite observations of CO from the Aura Microwave Limb Sounder and the Atmospheric Chemistry Experiment Fourier Transform Spectrometer. Overall, good agreement is found between the modeled and observed CO in the UTLS, promoting confidence in the model simulation. The model results are then analyzed to understand the sources and transport pathways of CO in the Asian monsoon region, and within the anticyclone in particular. The results show that CO is transported upward by monsoon deep convection, with the main surface sources from India and Southeast Asia. The uppermost altitude of the convective transport is ∼12 km, near the level of main deep convective outflow, and much of the CO is then advected in the upper troposphere northeastward across the Pacific Ocean and southwestward with the cross-equatorial Hadley flow. However, some of the CO is also advected vertically to altitudes near the tropopause (∼16 km) by the large-scale upward circulation on the eastern side of the anticyclone, and this air then becomes trapped within the anticyclone (to the west of the convection, extending to the Middle East). Within the anticyclone, the modeled CO shows a relative maximum near 15 km, in good agreement with observations.
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C03	`16`	`X`	`FRE`	`@0 Tropopause @5 16`
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Format Inist (serveur)

NO :	PASCAL 09-0250319 INIST
ET :	Transport pathways of carbon monoxide in the Asian summer monsoon diagnosed from Model of Ozone and Related Tracers (MOZART)
AU :	PARK (Mijeong); RANDEL (William J.); EMMONS (Louisa K.); LIVESEY (Nathaniel J.)
AF :	Atmospheric Chemistry Division, National Center for Atmospheric Research/Boulder, Colorado/Etats-Unis (1 aut., 2 aut., 3 aut.); Jet Propulsion Laboratory, California Institute of Technology/Pasadena, California/Etats-Unis (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2009; Vol. 114; No. D8; D08303.1-D08303.11; Bibl. 3/4 p.
LA :	Anglais
EA :	[1] Satellite observations of tropospheric chemical constituents (such as carbon monoxide, CO) reveal a persistent maximum in the upper troposphere-lower stratosphere (UTLS) associated with the Asian summer monsoon anticyclone. Diagnostic studies suggest that the strong anticyclonic circulation acts to confine air masses, but the sources of pollution and transport pathways to altitudes near the tropopause are the subject of debate. Here we use the Model for Ozone and Related Tracers 4 (MOZART-4) global chemistry transport model, driven by analyzed meteorological fields, to study the source and transport of CO in the Asian monsoon circulation. A MOZART-4 simulation for one summer is performed, and results are compared with satellite observations of CO from the Aura Microwave Limb Sounder and the Atmospheric Chemistry Experiment Fourier Transform Spectrometer. Overall, good agreement is found between the modeled and observed CO in the UTLS, promoting confidence in the model simulation. The model results are then analyzed to understand the sources and transport pathways of CO in the Asian monsoon region, and within the anticyclone in particular. The results show that CO is transported upward by monsoon deep convection, with the main surface sources from India and Southeast Asia. The uppermost altitude of the convective transport is ∼12 km, near the level of main deep convective outflow, and much of the CO is then advected in the upper troposphere northeastward across the Pacific Ocean and southwestward with the cross-equatorial Hadley flow. However, some of the CO is also advected vertically to altitudes near the tropopause (∼16 km) by the large-scale upward circulation on the eastern side of the anticyclone, and this air then becomes trapped within the anticyclone (to the west of the convection, extending to the Middle East). Within the anticyclone, the modeled CO shows a relative maximum near 15 km, in good agreement with observations.
CC :	001E; 001E01; 220
FD :	Transport; Monoxyde carbone; Monoxyde de carbone; Mousson été; Modèle; Ozone; Traceur; Observation par satellite; Troposphère; Stratosphère; Anticyclone; Circulation; Air; Pollution; Altitude; Tropopause; Monde; Champ météorologique; Simulation; Eté; Hyperfréquence; Chimie atmosphérique; Etude expérimentale; Transformation Fourier; Convection; Asie Sud Est; Inde; Moyen Orient
FG :	Asie
ED :	transport; carbon monoxide; Carbon monoxide; Summer monsoon; models; ozone; tracers; Satellite observation; troposphere; stratosphere; Anticyclone; circulation; air; pollution; altitude; Tropopause; global; Meteorological field; simulation; Summer; microwaves; Atmospheric chemistry; experimental studies; Fourier transformation; convection; Southeast Asia; India; Middle East
EG :	Asia
SD :	Transporte; Carbono monóxido; Monzón verano; Modelo; Ozono; Trazador; Observación por satélite; Estratosfera; Anticiclón; Polución; Altitud; Tropopausa; Mundo; Campo meteorológico; Simulación; Verano; Convección; India; Oriente Medio
LO :	INIST-3144.354000188450170370
ID :	09-0250319

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Pascal:09-0250319

Le document en format XML

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<front><div type="abstract" xml:lang="en">[1] Satellite observations of tropospheric chemical constituents (such as carbon monoxide, CO) reveal a persistent maximum in the upper troposphere-lower stratosphere (UTLS) associated with the Asian summer monsoon anticyclone. Diagnostic studies suggest that the strong anticyclonic circulation acts to confine air masses, but the sources of pollution and transport pathways to altitudes near the tropopause are the subject of debate. Here we use the Model for Ozone and Related Tracers 4 (MOZART-4) global chemistry transport model, driven by analyzed meteorological fields, to study the source and transport of CO in the Asian monsoon circulation. A MOZART-4 simulation for one summer is performed, and results are compared with satellite observations of CO from the Aura Microwave Limb Sounder and the Atmospheric Chemistry Experiment Fourier Transform Spectrometer. Overall, good agreement is found between the modeled and observed CO in the UTLS, promoting confidence in the model simulation. The model results are then analyzed to understand the sources and transport pathways of CO in the Asian monsoon region, and within the anticyclone in particular. The results show that CO is transported upward by monsoon deep convection, with the main surface sources from India and Southeast Asia. The uppermost altitude of the convective transport is ∼12 km, near the level of main deep convective outflow, and much of the CO is then advected in the upper troposphere northeastward across the Pacific Ocean and southwestward with the cross-equatorial Hadley flow. However, some of the CO is also advected vertically to altitudes near the tropopause (∼16 km) by the large-scale upward circulation on the eastern side of the anticyclone, and this air then becomes trapped within the anticyclone (to the west of the convection, extending to the Middle East). Within the anticyclone, the modeled CO shows a relative maximum near 15 km, in good agreement with observations.</div>
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<fA08 i1="01" i2="1" l="ENG"><s1>Transport pathways of carbon monoxide in the Asian summer monsoon diagnosed from Model of Ozone and Related Tracers (MOZART)</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>PARK (Mijeong)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>RANDEL (William J.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>EMMONS (Louisa K.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>LIVESEY (Nathaniel J.)</s1>
</fA11>
<fA14 i1="01"><s1>Atmospheric Chemistry Division, 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>
</fA14>
<fA14 i1="02"><s1>Jet Propulsion Laboratory, California Institute of Technology</s1>
<s2>Pasadena, California</s2>
<s3>USA</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA20><s2>D08303.1-D08303.11</s2>
</fA20>
<fA21><s1>2009</s1>
</fA21>
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</fA23>
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<s5>354000188450170370</s5>
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<s1>© 2009 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>3/4 p.</s0>
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<fA47 i1="01" i2="1"><s0>09-0250319</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</s0>
</fA64>
<fA66 i1="01"><s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>[1] Satellite observations of tropospheric chemical constituents (such as carbon monoxide, CO) reveal a persistent maximum in the upper troposphere-lower stratosphere (UTLS) associated with the Asian summer monsoon anticyclone. Diagnostic studies suggest that the strong anticyclonic circulation acts to confine air masses, but the sources of pollution and transport pathways to altitudes near the tropopause are the subject of debate. Here we use the Model for Ozone and Related Tracers 4 (MOZART-4) global chemistry transport model, driven by analyzed meteorological fields, to study the source and transport of CO in the Asian monsoon circulation. A MOZART-4 simulation for one summer is performed, and results are compared with satellite observations of CO from the Aura Microwave Limb Sounder and the Atmospheric Chemistry Experiment Fourier Transform Spectrometer. Overall, good agreement is found between the modeled and observed CO in the UTLS, promoting confidence in the model simulation. The model results are then analyzed to understand the sources and transport pathways of CO in the Asian monsoon region, and within the anticyclone in particular. The results show that CO is transported upward by monsoon deep convection, with the main surface sources from India and Southeast Asia. The uppermost altitude of the convective transport is ∼12 km, near the level of main deep convective outflow, and much of the CO is then advected in the upper troposphere northeastward across the Pacific Ocean and southwestward with the cross-equatorial Hadley flow. However, some of the CO is also advected vertically to altitudes near the tropopause (∼16 km) by the large-scale upward circulation on the eastern side of the anticyclone, and this air then becomes trapped within the anticyclone (to the west of the convection, extending to the Middle East). Within the anticyclone, the modeled CO shows a relative maximum near 15 km, in good agreement with observations.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001E</s0>
</fC02>
<fC02 i1="02" i2="2"><s0>001E01</s0>
</fC02>
<fC02 i1="03" i2="2"><s0>220</s0>
</fC02>
<fC03 i1="01" i2="2" l="FRE"><s0>Transport</s0>
<s5>01</s5>
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<fC03 i1="01" i2="2" l="ENG"><s0>transport</s0>
<s5>01</s5>
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<fC03 i1="02" i2="2" l="FRE"><s0>Monoxyde carbone</s0>
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<fC03 i1="02" i2="2" l="ENG"><s0>carbon monoxide</s0>
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<s2>NK</s2>
<s2>FX</s2>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Carbon monoxide</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Carbono monóxido</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Mousson été</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Summer monsoon</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Monzón verano</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE"><s0>Modèle</s0>
<s5>05</s5>
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<fC03 i1="05" i2="2" l="ENG"><s0>models</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA"><s0>Modelo</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE"><s0>Ozone</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="ENG"><s0>ozone</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="SPA"><s0>Ozono</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE"><s0>Traceur</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG"><s0>tracers</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="SPA"><s0>Trazador</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Observation par satellite</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Satellite observation</s0>
<s5>08</s5>
</fC03>
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<s5>08</s5>
</fC03>
<fC03 i1="09" i2="2" l="FRE"><s0>Troposphère</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="2" l="ENG"><s0>troposphere</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="2" l="FRE"><s0>Stratosphère</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="2" l="ENG"><s0>stratosphere</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="2" l="SPA"><s0>Estratosfera</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Anticyclone</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Anticyclone</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Anticiclón</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="2" l="FRE"><s0>Circulation</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="2" l="ENG"><s0>circulation</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="2" l="FRE"><s0>Air</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="2" l="ENG"><s0>air</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="2" l="FRE"><s0>Pollution</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="ENG"><s0>pollution</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="SPA"><s0>Polución</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="2" l="FRE"><s0>Altitude</s0>
<s5>15</s5>
</fC03>
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<s5>15</s5>
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<fC03 i1="15" i2="2" l="SPA"><s0>Altitud</s0>
<s5>15</s5>
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<fC03 i1="16" i2="X" l="FRE"><s0>Tropopause</s0>
<s5>16</s5>
</fC03>
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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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<s5>18</s5>
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<s5>18</s5>
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<s5>18</s5>
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<fC03 i1="19" i2="2" l="FRE"><s0>Simulation</s0>
<s5>19</s5>
</fC03>
<fC03 i1="19" i2="2" l="ENG"><s0>simulation</s0>
<s5>19</s5>
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<fC03 i1="19" i2="2" l="SPA"><s0>Simulación</s0>
<s5>19</s5>
</fC03>
<fC03 i1="20" i2="X" l="FRE"><s0>Eté</s0>
<s5>20</s5>
</fC03>
<fC03 i1="20" i2="X" l="ENG"><s0>Summer</s0>
<s5>20</s5>
</fC03>
<fC03 i1="20" i2="X" l="SPA"><s0>Verano</s0>
<s5>20</s5>
</fC03>
<fC03 i1="21" i2="2" l="FRE"><s0>Hyperfréquence</s0>
<s5>21</s5>
</fC03>
<fC03 i1="21" i2="2" l="ENG"><s0>microwaves</s0>
<s5>21</s5>
</fC03>
<fC03 i1="22" i2="3" l="FRE"><s0>Chimie atmosphérique</s0>
<s5>22</s5>
</fC03>
<fC03 i1="22" i2="3" l="ENG"><s0>Atmospheric chemistry</s0>
<s5>22</s5>
</fC03>
<fC03 i1="23" i2="2" l="FRE"><s0>Etude expérimentale</s0>
<s5>23</s5>
</fC03>
<fC03 i1="23" i2="2" l="ENG"><s0>experimental studies</s0>
<s5>23</s5>
</fC03>
<fC03 i1="24" i2="2" l="FRE"><s0>Transformation Fourier</s0>
<s5>24</s5>
</fC03>
<fC03 i1="24" i2="2" l="ENG"><s0>Fourier transformation</s0>
<s5>24</s5>
</fC03>
<fC03 i1="25" i2="2" l="FRE"><s0>Convection</s0>
<s5>25</s5>
</fC03>
<fC03 i1="25" i2="2" l="ENG"><s0>convection</s0>
<s5>25</s5>
</fC03>
<fC03 i1="25" i2="2" l="SPA"><s0>Convección</s0>
<s5>25</s5>
</fC03>
<fC03 i1="26" i2="2" l="FRE"><s0>Asie Sud Est</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="26" i2="2" l="ENG"><s0>Southeast Asia</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="27" i2="2" l="FRE"><s0>Inde</s0>
<s2>NG</s2>
<s5>62</s5>
</fC03>
<fC03 i1="27" i2="2" l="ENG"><s0>India</s0>
<s2>NG</s2>
<s5>62</s5>
</fC03>
<fC03 i1="27" i2="2" l="SPA"><s0>India</s0>
<s2>NG</s2>
<s5>62</s5>
</fC03>
<fC03 i1="28" i2="2" l="FRE"><s0>Moyen Orient</s0>
<s2>NG</s2>
<s5>63</s5>
</fC03>
<fC03 i1="28" i2="2" l="ENG"><s0>Middle East</s0>
<s2>NG</s2>
<s5>63</s5>
</fC03>
<fC03 i1="28" i2="2" l="SPA"><s0>Oriente Medio</s0>
<s2>NG</s2>
<s5>63</s5>
</fC03>
<fC07 i1="01" i2="2" l="FRE"><s0>Asie</s0>
<s2>564</s2>
</fC07>
<fC07 i1="01" i2="2" l="ENG"><s0>Asia</s0>
<s2>564</s2>
</fC07>
<fC07 i1="01" i2="2" l="SPA"><s0>Asia</s0>
<s2>564</s2>
</fC07>
<fN21><s1>187</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
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<server><NO>PASCAL 09-0250319 INIST</NO>
<ET>Transport pathways of carbon monoxide in the Asian summer monsoon diagnosed from Model of Ozone and Related Tracers (MOZART)</ET>
<AU>PARK (Mijeong); RANDEL (William J.); EMMONS (Louisa K.); LIVESEY (Nathaniel J.)</AU>
<AF>Atmospheric Chemistry Division, National Center for Atmospheric Research/Boulder, Colorado/Etats-Unis (1 aut., 2 aut., 3 aut.); Jet Propulsion Laboratory, California Institute of Technology/Pasadena, California/Etats-Unis (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2009; Vol. 114; No. D8; D08303.1-D08303.11; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>[1] Satellite observations of tropospheric chemical constituents (such as carbon monoxide, CO) reveal a persistent maximum in the upper troposphere-lower stratosphere (UTLS) associated with the Asian summer monsoon anticyclone. Diagnostic studies suggest that the strong anticyclonic circulation acts to confine air masses, but the sources of pollution and transport pathways to altitudes near the tropopause are the subject of debate. Here we use the Model for Ozone and Related Tracers 4 (MOZART-4) global chemistry transport model, driven by analyzed meteorological fields, to study the source and transport of CO in the Asian monsoon circulation. A MOZART-4 simulation for one summer is performed, and results are compared with satellite observations of CO from the Aura Microwave Limb Sounder and the Atmospheric Chemistry Experiment Fourier Transform Spectrometer. Overall, good agreement is found between the modeled and observed CO in the UTLS, promoting confidence in the model simulation. The model results are then analyzed to understand the sources and transport pathways of CO in the Asian monsoon region, and within the anticyclone in particular. The results show that CO is transported upward by monsoon deep convection, with the main surface sources from India and Southeast Asia. The uppermost altitude of the convective transport is ∼12 km, near the level of main deep convective outflow, and much of the CO is then advected in the upper troposphere northeastward across the Pacific Ocean and southwestward with the cross-equatorial Hadley flow. However, some of the CO is also advected vertically to altitudes near the tropopause (∼16 km) by the large-scale upward circulation on the eastern side of the anticyclone, and this air then becomes trapped within the anticyclone (to the west of the convection, extending to the Middle East). Within the anticyclone, the modeled CO shows a relative maximum near 15 km, in good agreement with observations.</EA>
<CC>001E; 001E01; 220</CC>
<FD>Transport; Monoxyde carbone; Monoxyde de carbone; Mousson été; Modèle; Ozone; Traceur; Observation par satellite; Troposphère; Stratosphère; Anticyclone; Circulation; Air; Pollution; Altitude; Tropopause; Monde; Champ météorologique; Simulation; Eté; Hyperfréquence; Chimie atmosphérique; Etude expérimentale; Transformation Fourier; Convection; Asie Sud Est; Inde; Moyen Orient</FD>
<FG>Asie</FG>
<ED>transport; carbon monoxide; Carbon monoxide; Summer monsoon; models; ozone; tracers; Satellite observation; troposphere; stratosphere; Anticyclone; circulation; air; pollution; altitude; Tropopause; global; Meteorological field; simulation; Summer; microwaves; Atmospheric chemistry; experimental studies; Fourier transformation; convection; Southeast Asia; India; Middle East</ED>
<EG>Asia</EG>
<SD>Transporte; Carbono monóxido; Monzón verano; Modelo; Ozono; Trazador; Observación por satélite; Estratosfera; Anticiclón; Polución; Altitud; Tropopausa; Mundo; Campo meteorológico; Simulación; Verano; Convección; India; Oriente Medio</SD>
<LO>INIST-3144.354000188450170370</LO>
<ID>09-0250319</ID>
</server>
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Transport pathways of carbon monoxide in the Asian summer monsoon diagnosed from Model of Ozone and Related Tracers (MOZART)

Transport pathways of carbon monoxide in the Asian summer monsoon diagnosed from Model of Ozone and Related Tracers (MOZART)

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