Influence of El Niño on Midtropospheric CO2 from Atmospheric Infrared Sounder and Model
Identifieur interne : 000365 ( Main/Exploration ); précédent : 000364; suivant : 000366Influence of El Niño on Midtropospheric CO2 from Atmospheric Infrared Sounder and Model
Auteurs : XUN JIANG [États-Unis] ; JINGQIAN WANG [États-Unis] ; Edward T. Olsen [États-Unis] ; MAOCHANG LIANG [Taïwan] ; Thomas S. Pagano [États-Unis] ; Luke L. Chen [États-Unis] ; Stephen J. Licata [États-Unis] ; Yuk L. Yung [États-Unis]Source :
- Journal of the atmospheric sciences [ 0022-4928 ] ; 2013.
Descripteurs français
- Pascal (Inist)
- El Nino, Dioxyde de carbone, Modèle, Distribution concentration, Variation temporelle, Variation spatiale, Régression multiple, La Nina, Chimie atmosphérique, Téléconnexion, Océan Pacifique Central, Océan Pacifique Ouest, Gaz effet serre, Observation par satellite, Analyse statistique, Télédétection spatiale, Sondeur infrarouge avancé, El Niño Oscillation australe.
English descriptors
- KwdEn :
- Advanced infrared sounder, Atmospheric chemistry, Carbon dioxide, Central Pacific, Concentration distribution, El Nino, El Niño Southern Oscillation, La Nina, Multiple regression, Satellite observation, Space remote sensing, Teleconnection, West Pacific, greenhouse gas, models, spatial variations, statistical analysis, time variations.
Abstract
The authors investigate the influence of El Niño on midtropospheric CO2 from the Atmospheric Infrared Sounder (AIRS) and the Model for Ozone and Related Chemical Tracers, version 2 (MOZART-2). AIRS midtropospheric CO2 data are used to study the temporal and spatial variability of CO2 in response to El Niño. CO2 differences between the central and western Pacific Ocean correlate well with the Southern Oscillation index. To reveal the temporal and spatial variability of the El Niño signal in the AIRS midtropospheric CO2, a multiple regression method is applied to the CO2 data from September 2002 to February 2011. There is more (less) midtropospheric CO2 in the central Pacific and less (more) midtropospheric CO2 in the western Pacific during El Niño (La Niña) events. Similar results are seen in the MOZART-2 convolved midtropospheric CO2, although the El Niño signal in the MOZART-2 is weaker than that in the AIRS data.
Affiliations:
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Le document en format XML
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<series><title level="j" type="main">Journal of the atmospheric sciences</title>
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<term>Atmospheric chemistry</term>
<term>Carbon dioxide</term>
<term>Central Pacific</term>
<term>Concentration distribution</term>
<term>El Nino</term>
<term>El Niño Southern Oscillation</term>
<term>La Nina</term>
<term>Multiple regression</term>
<term>Satellite observation</term>
<term>Space remote sensing</term>
<term>Teleconnection</term>
<term>West Pacific</term>
<term>greenhouse gas</term>
<term>models</term>
<term>spatial variations</term>
<term>statistical analysis</term>
<term>time variations</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>El Nino</term>
<term>Dioxyde de carbone</term>
<term>Modèle</term>
<term>Distribution concentration</term>
<term>Variation temporelle</term>
<term>Variation spatiale</term>
<term>Régression multiple</term>
<term>La Nina</term>
<term>Chimie atmosphérique</term>
<term>Téléconnexion</term>
<term>Océan Pacifique Central</term>
<term>Océan Pacifique Ouest</term>
<term>Gaz effet serre</term>
<term>Observation par satellite</term>
<term>Analyse statistique</term>
<term>Télédétection spatiale</term>
<term>Sondeur infrarouge avancé</term>
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<front><div type="abstract" xml:lang="en">The authors investigate the influence of El Niño on midtropospheric CO<sub>2</sub>
from the Atmospheric Infrared Sounder (AIRS) and the Model for Ozone and Related Chemical Tracers, version 2 (MOZART-2). AIRS midtropospheric CO<sub>2</sub>
data are used to study the temporal and spatial variability of CO<sub>2</sub>
in response to El Niño. CO<sub>2</sub>
differences between the central and western Pacific Ocean correlate well with the Southern Oscillation index. To reveal the temporal and spatial variability of the El Niño signal in the AIRS midtropospheric CO<sub>2</sub>
, a multiple regression method is applied to the CO<sub>2</sub>
data from September 2002 to February 2011. There is more (less) midtropospheric CO<sub>2</sub>
in the central Pacific and less (more) midtropospheric CO<sub>2</sub>
in the western Pacific during El Niño (La Niña) events. Similar results are seen in the MOZART-2 convolved midtropospheric CO<sub>2</sub>
, although the El Niño signal in the MOZART-2 is weaker than that in the AIRS data.</div>
</front>
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<name sortKey="Chen, Luke L" sort="Chen, Luke L" uniqKey="Chen L" first="Luke L." last="Chen">Luke L. Chen</name>
<name sortKey="Jingqian Wang" sort="Jingqian Wang" uniqKey="Jingqian Wang" last="Jingqian Wang">JINGQIAN WANG</name>
<name sortKey="Licata, Stephen J" sort="Licata, Stephen J" uniqKey="Licata S" first="Stephen J." last="Licata">Stephen J. Licata</name>
<name sortKey="Olsen, Edward T" sort="Olsen, Edward T" uniqKey="Olsen E" first="Edward T." last="Olsen">Edward T. Olsen</name>
<name sortKey="Pagano, Thomas S" sort="Pagano, Thomas S" uniqKey="Pagano T" first="Thomas S." last="Pagano">Thomas S. Pagano</name>
<name sortKey="Yung, Yuk L" sort="Yung, Yuk L" uniqKey="Yung Y" first="Yuk L." last="Yung">Yuk L. Yung</name>
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<country name="Taïwan"><noRegion><name sortKey="Maochang Liang" sort="Maochang Liang" uniqKey="Maochang Liang" last="Maochang Liang">MAOCHANG LIANG</name>
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