AustralieFrV1, Main, Merge, bibRecord, 007174

Atmospheric CO2 inversion validation using vertical profile measurements: Analysis of four independent inversion models

Identifieur interne : 007174 ( Main/Merge ); précédent : 007173; suivant : 007175

Atmospheric CO2 inversion validation using vertical profile measurements: Analysis of four independent inversion models

Auteurs : C. A. Pickett-Heaps [France, Australie] ; P. J. Rayner [France, Australie] ; R. M. Law [Australie] ; P. Ciais [France] ; P. K. Patra [Japon] ; P. Bousquet [France] ; P. Peylin [France] ; S. Maksyutov [Japon] ; J. Marshall [Allemagne] ; C. Rödenbeck [Allemagne] ; R. L. Langenfelds [Australie] ; L. P. Steele [Australie] ; R. J. Francey [Australie] ; P. Tans [États-Unis] ; C. Sweeney [États-Unis]

Source :

Journal of geophysical research [ 0148-0227 ] ; 2011.

RBID : Pascal:11-0355458

Descripteurs français

Pascal (Inist)
- Dioxyde de carbone, Problème inverse, Validation, Profil vertical, Modèle, Inversion atmosphérique, Transport, Circulation atmosphérique, Concentration, Foyer, Cap, Etude comparative, Erreur, Variation interannuelle, Gaz effet serre, Tasmanie, Colorado.

English descriptors

KwdEn :
- Atmospheric inversion, Carbon dioxide, Colorado, Comparative study, Interannual variation, Tasmania Australia, Validation, Vertical profile, atmospheric circulation, capes, concentration, errors, focus, greenhouse gas, inverse problem, models, transport.

Abstract

[1] We present the results of a validation of atmospheric inversions of CO2 fluxes using four transport models. Each inversion uses data primarily from surface stations, combined with an atmospheric transport model, to estimate surface fluxes. The validation (or model evaluation) consists of running these optimized fluxes through the forward model and comparing the simulated concentrations with airborne concentration measurements. We focus on profiles from Cape Grim, Tasmania, and Carr, Colorado, while using other profile sites to test the generality of the comparison. Fits to the profiles are generally worse than to the surface data from the inversions and worse than the expected model-data mismatch. Thus inversion estimates are generally not consistent with the profile measurements. The TM3 model does better by some measures than the other three models. Models perform better over Tasmania than Colorado, and other profile sites bear out a general improvement from north to south and from continental to marine locations. There are also errors in the interannual variability of the fit, consistent in time and common across models. This suggests real variations in sources visible to the profile but not the surface measurements.

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Le document en format XML

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<s3>AUS</s3>
<sZ>3 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>12 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>Australie</country>
<wicri:noRegion>Aspendale, Victoria</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Steele, L P" sort="Steele, L P" uniqKey="Steele L" first="L. P." last="Steele">L. P. Steele</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Centre for Australian Weather and Climate Research, CSIRO Marine and Atmospheric Research</s1>
<s2>Aspendale, Victoria</s2>
<s3>AUS</s3>
<sZ>3 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>12 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>Australie</country>
<wicri:noRegion>Aspendale, Victoria</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Francey, R J" sort="Francey, R J" uniqKey="Francey R" first="R. J." last="Francey">R. J. Francey</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Centre for Australian Weather and Climate Research, CSIRO Marine and Atmospheric Research</s1>
<s2>Aspendale, Victoria</s2>
<s3>AUS</s3>
<sZ>3 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>12 aut.</sZ>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>Australie</country>
<wicri:noRegion>Aspendale, Victoria</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Tans, P" sort="Tans, P" uniqKey="Tans P" first="P." last="Tans">P. Tans</name>
<affiliation wicri:level="2"><inist:fA14 i1="08"><s1>Global Monitoring Division, ESRL, NOAA</s1>
<s2>Boulder, Colorado</s2>
<s3>USA</s3>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<placeName><region type="state">Colorado</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Sweeney, C" sort="Sweeney, C" uniqKey="Sweeney C" first="C." last="Sweeney">C. Sweeney</name>
<affiliation wicri:level="2"><inist:fA14 i1="08"><s1>Global Monitoring Division, ESRL, NOAA</s1>
<s2>Boulder, Colorado</s2>
<s3>USA</s3>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<placeName><region type="state">Colorado</region>
</placeName>
</affiliation>
</author>
</analytic>
<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="2011">2011</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<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>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Atmospheric inversion</term>
<term>Carbon dioxide</term>
<term>Colorado</term>
<term>Comparative study</term>
<term>Interannual variation</term>
<term>Tasmania Australia</term>
<term>Validation</term>
<term>Vertical profile</term>
<term>atmospheric circulation</term>
<term>capes</term>
<term>concentration</term>
<term>errors</term>
<term>focus</term>
<term>greenhouse gas</term>
<term>inverse problem</term>
<term>models</term>
<term>transport</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Dioxyde de carbone</term>
<term>Problème inverse</term>
<term>Validation</term>
<term>Profil vertical</term>
<term>Modèle</term>
<term>Inversion atmosphérique</term>
<term>Transport</term>
<term>Circulation atmosphérique</term>
<term>Concentration</term>
<term>Foyer</term>
<term>Cap</term>
<term>Etude comparative</term>
<term>Erreur</term>
<term>Variation interannuelle</term>
<term>Gaz effet serre</term>
<term>Tasmanie</term>
<term>Colorado</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">[1] We present the results of a validation of atmospheric inversions of CO2 fluxes using four transport models. Each inversion uses data primarily from surface stations, combined with an atmospheric transport model, to estimate surface fluxes. The validation (or model evaluation) consists of running these optimized fluxes through the forward model and comparing the simulated concentrations with airborne concentration measurements. We focus on profiles from Cape Grim, Tasmania, and Carr, Colorado, while using other profile sites to test the generality of the comparison. Fits to the profiles are generally worse than to the surface data from the inversions and worse than the expected model-data mismatch. Thus inversion estimates are generally not consistent with the profile measurements. The TM3 model does better by some measures than the other three models. Models perform better over Tasmania than Colorado, and other profile sites bear out a general improvement from north to south and from continental to marine locations. There are also errors in the interannual variability of the fit, consistent in time and common across models. This suggests real variations in sources visible to the profile but not the surface measurements.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Australie</li>
<li>France</li>
<li>Japon</li>
<li>États-Unis</li>
</country>
<region><li>Colorado</li>
<li>Victoria (État)</li>
<li>Île-de-France</li>
</region>
<settlement><li>Gif-sur-Yvette</li>
<li>Melbourne</li>
</settlement>
<orgName><li>Université de Melbourne</li>
</orgName>
</list>
<tree><country name="France"><region name="Île-de-France"><name sortKey="Pickett Heaps, C A" sort="Pickett Heaps, C A" uniqKey="Pickett Heaps C" first="C. A." last="Pickett-Heaps">C. A. Pickett-Heaps</name>
</region>
<name sortKey="Bousquet, P" sort="Bousquet, P" uniqKey="Bousquet P" first="P." last="Bousquet">P. Bousquet</name>
<name sortKey="Ciais, P" sort="Ciais, P" uniqKey="Ciais P" first="P." last="Ciais">P. Ciais</name>
<name sortKey="Peylin, P" sort="Peylin, P" uniqKey="Peylin P" first="P." last="Peylin">P. Peylin</name>
<name sortKey="Rayner, P J" sort="Rayner, P J" uniqKey="Rayner P" first="P. J." last="Rayner">P. J. Rayner</name>
</country>
<country name="Australie"><noRegion><name sortKey="Pickett Heaps, C A" sort="Pickett Heaps, C A" uniqKey="Pickett Heaps C" first="C. A." last="Pickett-Heaps">C. A. Pickett-Heaps</name>
</noRegion>
<name sortKey="Francey, R J" sort="Francey, R J" uniqKey="Francey R" first="R. J." last="Francey">R. J. Francey</name>
<name sortKey="Langenfelds, R L" sort="Langenfelds, R L" uniqKey="Langenfelds R" first="R. L." last="Langenfelds">R. L. Langenfelds</name>
<name sortKey="Law, R M" sort="Law, R M" uniqKey="Law R" first="R. M." last="Law">R. M. Law</name>
<name sortKey="Rayner, P J" sort="Rayner, P J" uniqKey="Rayner P" first="P. J." last="Rayner">P. J. Rayner</name>
<name sortKey="Steele, L P" sort="Steele, L P" uniqKey="Steele L" first="L. P." last="Steele">L. P. Steele</name>
</country>
<country name="Japon"><noRegion><name sortKey="Patra, P K" sort="Patra, P K" uniqKey="Patra P" first="P. K." last="Patra">P. K. Patra</name>
</noRegion>
<name sortKey="Maksyutov, S" sort="Maksyutov, S" uniqKey="Maksyutov S" first="S." last="Maksyutov">S. Maksyutov</name>
<name sortKey="Maksyutov, S" sort="Maksyutov, S" uniqKey="Maksyutov S" first="S." last="Maksyutov">S. Maksyutov</name>
</country>
<country name="Allemagne"><noRegion><name sortKey="Marshall, J" sort="Marshall, J" uniqKey="Marshall J" first="J." last="Marshall">J. Marshall</name>
</noRegion>
<name sortKey="Rodenbeck, C" sort="Rodenbeck, C" uniqKey="Rodenbeck C" first="C." last="Rödenbeck">C. Rödenbeck</name>
</country>
<country name="États-Unis"><region name="Colorado"><name sortKey="Tans, P" sort="Tans, P" uniqKey="Tans P" first="P." last="Tans">P. Tans</name>
</region>
<name sortKey="Sweeney, C" sort="Sweeney, C" uniqKey="Sweeney C" first="C." last="Sweeney">C. Sweeney</name>
</country>
</tree>
</affiliations>
</record>

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Atmospheric CO2 inversion validation using vertical profile measurements: Analysis of four independent inversion models

Atmospheric CO2 inversion validation using vertical profile measurements: Analysis of four independent inversion models

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