TransCom model simulations of hourly atmospheric CO2 : Experimental overview and diurnal cycle results for 2002
Identifieur interne : 003195 ( PascalFrancis/Corpus ); précédent : 003194; suivant : 003196TransCom model simulations of hourly atmospheric CO2 : Experimental overview and diurnal cycle results for 2002
Auteurs : R. M. Law ; W. Peters ; C. Rödenbeck ; C. Aulagnier ; I. Baker ; D. J. Bergmann ; P. Bousquet ; J. Brandt ; L. Bruhwiler ; P. J. Cameron-Smith ; J. H. Christensen ; F. Delage ; A. S. Denning ; S. Fan ; C. Geels ; S. Houweling ; R. Imasu ; U. Karstens ; S. R. Kawa ; J. Kleist ; M. C. Krol ; S.-J. Lin ; R. Lokupitiya ; T. Maki ; S. Maksyutov ; Y. Niwa ; R. Onishi ; N. Parazoo ; P. K. Patra ; G. Pieterse ; L. Rivier ; M. Satoh ; S. Serrar ; S. Taguchi ; M. Takigawa ; R. Vautard ; A. T. Vermeulen ; Z. ZhuSource :
- Global biogeochemical cycles [ 0886-6236 ] ; 2008.
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Abstract
[1] A forward atmospheric transport modeling experiment has been coordinated by the TransCom group to investigate synoptic and diurnal variations in CO2. Model simulations were run for biospheric, fossil, and air-sea exchange of CO2 and for SF6 and radon for 2000-2003. Twenty-five models or model variants participated in the comparison. Hourly concentration time series were submitted for 280 sites along with vertical profiles, fluxes, and meteorological variables at 100 sites. The submitted results have been analyzed for diurnal variations and are compared with observed CO2 in 2002. Mean summer diurnal cycles vary widely in amplitude across models. The choice of sampling location and model level account for part of the spread suggesting that representation errors in these types of models are potentially large. Despite the model spread, most models simulate the relative variation in diurnal amplitude between sites reasonably well. The modeled diurnal amplitude only shows a weak relationship with vertical resolution across models; differences in near-surface transport simulation appear to play a major role. Examples are also presented where there is evidence that the models show useful skill in simulating seasonal and synoptic changes in diurnal amplitude.
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Format Inist (serveur)
| NO : | PASCAL 08-0524113 INIST |
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| ET : | TransCom model simulations of hourly atmospheric CO2 : Experimental overview and diurnal cycle results for 2002 |
| AU : | LAW (R. M.); PETERS (W.); RÖDENBECK (C.); AULAGNIER (C.); BAKER (I.); BERGMANN (D. J.); BOUSQUET (P.); BRANDT (J.); BRUHWILER (L.); CAMERON-SMITH (P. J.); CHRISTENSEN (J. H.); DELAGE (F.); DENNING (A. S.); FAN (S.); GEELS (C.); HOUWELING (S.); IMASU (R.); KARSTENS (U.); KAWA (S. R.); KLEIST (J.); KROL (M. C.); LIN (S.-J.); LOKUPITIYA (R.); MAKI (T.); MAKSYUTOV (S.); NIWA (Y.); ONISHI (R.); PARAZOO (N.); PATRA (P. K.); PIETERSE (G.); RIVIER (L.); SATOH (M.); SERRAR (S.); TAGUCHI (S.); TAKIGAWA (M.); VAUTARD (R.); VERMEULEN (A. T.); ZHU (Z.) |
| AF : | CSIRO Marine and Atmospheric Research/Aspendale, Victoria/Australie (1 aut.); NOAA Earth Systems Research Laboratory/Boulder, Colorado/Etats-Unis (2 aut., 9 aut.); Department of Meteorology and Air Quality, Wageningen University and Research Center/Wageningen/Pays-Bas (2 aut., 21 aut.); Max-Planck-Institute for Biogeochemistry/Jena/Allemagne (3 aut., 18 aut.); Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ/Gif-sur-Yvette/France (4 aut., 7 aut., 12 aut., 31 aut., 36 aut.); Department of Atmospheric Science, Colorado State University/Fort Collins, Colorado/Etats-Unis (5 aut., 13 aut., 23 aut., 28 aut.); Lawrence Livermore National Laboratory/Livermore, California/Etats-Unis (6 aut., 10 aut.); National Environmental Research Institute, University of Aarhus/Roskilde/Danemark (8 aut., 11 aut., 15 aut.); NOAA/Geophysical Fluid Dynamics Laboratory/Princeton, New Jersey/Etats-Unis (14 aut., 22 aut.); Institute for Marine and Atmospheric Research/Utrecht/Pays-Bas (16 aut., 30 aut.); Center for Climate System Research, University of Tokyo/Tokyo/Japon (17 aut., 26 aut., 32 aut.); NASA Goddard Space Flight Center/Greenbelt, Maryland/Etats-Unis (19 aut.); Privacy Networks/Fort Collins, Colorado/Etats-Unis (20 aut.); SRON/Utrecht/Pays-Bas (21 aut.); Atmospheric Environment Division, Japan Meteorological Agency/Tokyo/Japon (24 aut.); National Institute for Environmental Studies/Tsukuba/Japon (25 aut.); Frontier Research Center for Global Change/JAMSTEC/Yokohama/Japon (25 aut., 29 aut., 32 aut., 35 aut.); Earth Simulator Center, JAMSTEC/Yokohama/Japon (27 aut.); Energy Research Centre of the Netherlands/Petten/Pays-Bas (30 aut., 37 aut.); ECMWF/Reading/Royaume-Uni (33 aut.); National Institute of Advanced Industrial Science and Technology/Tsukuba/Japon (34 aut.); Science Systems and Applications Incorporated/Lanham, Maryland/Etats-Unis (38 aut.) |
| DT : | Publication en série; Niveau analytique |
| SO : | Global biogeochemical cycles; ISSN 0886-6236; Coden GBCYEP; Etats-Unis; Da. 2008; Vol. 22; No. 3; GB3009.1-GB309.15; Bibl. 1 p.1/2 |
| LA : | Anglais |
| EA : | [1] A forward atmospheric transport modeling experiment has been coordinated by the TransCom group to investigate synoptic and diurnal variations in CO2. Model simulations were run for biospheric, fossil, and air-sea exchange of CO2 and for SF6 and radon for 2000-2003. Twenty-five models or model variants participated in the comparison. Hourly concentration time series were submitted for 280 sites along with vertical profiles, fluxes, and meteorological variables at 100 sites. The submitted results have been analyzed for diurnal variations and are compared with observed CO2 in 2002. Mean summer diurnal cycles vary widely in amplitude across models. The choice of sampling location and model level account for part of the spread suggesting that representation errors in these types of models are potentially large. Despite the model spread, most models simulate the relative variation in diurnal amplitude between sites reasonably well. The modeled diurnal amplitude only shows a weak relationship with vertical resolution across models; differences in near-surface transport simulation appear to play a major role. Examples are also presented where there is evidence that the models show useful skill in simulating seasonal and synoptic changes in diurnal amplitude. |
| CC : | 002A14B04A; 001E01B; 220B |
| FD : | Modèle; Simulation; Atmosphère; Etude expérimentale; Cycle; Transport; Modélisation; Variation diurne; Dioxyde de carbone; Air; Radon; Concentration; Amplitude; Echantillonnage; Erreur |
| ED : | models; simulation; atmosphere; experimental studies; cycles; transport; Modeling; diurnal variations; Carbon dioxide; air; radon; concentration; amplitude; sampling; errors |
| SD : | Modelo; Simulación; Atmósfera; Transporte; Modelización; Variación diurna; Carbono dióxido; Radón; Concentración; Amplitud; Muestreo; Error |
| LO : | INIST-21109.354000183893470080 |
| ID : | 08-0524113 |
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Pascal:08-0524113Le document en format XML
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H." last="Christensen">J. H. Christensen</name><affiliation><inist:fA14 i1="08"><s1>National Environmental Research Institute, University of Aarhus</s1><s2>Roskilde</s2><s3>DNK</s3><sZ>8 aut.</sZ><sZ>11 aut.</sZ><sZ>15 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Delage, F" sort="Delage, F" uniqKey="Delage F" first="F." last="Delage">F. Delage</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Denning, A S" sort="Denning, A S" uniqKey="Denning A" first="A. S." last="Denning">A. S. Denning</name><affiliation><inist:fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Fan, S" sort="Fan, S" uniqKey="Fan S" first="S." last="Fan">S. Fan</name><affiliation><inist:fA14 i1="09"><s1>NOAA/Geophysical Fluid Dynamics Laboratory</s1><s2>Princeton, New Jersey</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Geels, C" sort="Geels, C" uniqKey="Geels C" first="C." last="Geels">C. Geels</name><affiliation><inist:fA14 i1="08"><s1>National Environmental Research Institute, University of Aarhus</s1><s2>Roskilde</s2><s3>DNK</s3><sZ>8 aut.</sZ><sZ>11 aut.</sZ><sZ>15 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Houweling, S" sort="Houweling, S" uniqKey="Houweling S" first="S." last="Houweling">S. Houweling</name><affiliation><inist:fA14 i1="10"><s1>Institute for Marine and Atmospheric Research</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>16 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Imasu, R" sort="Imasu, R" uniqKey="Imasu R" first="R." last="Imasu">R. Imasu</name><affiliation><inist:fA14 i1="11"><s1>Center for Climate System Research, University of Tokyo</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>17 aut.</sZ><sZ>26 aut.</sZ><sZ>32 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Karstens, U" sort="Karstens, U" uniqKey="Karstens U" first="U." last="Karstens">U. Karstens</name><affiliation><inist:fA14 i1="04"><s1>Max-Planck-Institute for Biogeochemistry</s1><s2>Jena</s2><s3>DEU</s3><sZ>3 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kawa, S R" sort="Kawa, S R" uniqKey="Kawa S" first="S. R." last="Kawa">S. R. Kawa</name><affiliation><inist:fA14 i1="12"><s1>NASA Goddard Space Flight Center</s1><s2>Greenbelt, Maryland</s2><s3>USA</s3><sZ>19 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kleist, J" sort="Kleist, J" uniqKey="Kleist J" first="J." last="Kleist">J. Kleist</name><affiliation><inist:fA14 i1="13"><s1>Privacy Networks</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>20 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Krol, M C" sort="Krol, M C" uniqKey="Krol M" first="M. C." last="Krol">M. C. Krol</name><affiliation><inist:fA14 i1="03"><s1>Department of Meteorology and Air Quality, Wageningen University and Research Center</s1><s2>Wageningen</s2><s3>NLD</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="14"><s1>SRON</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>21 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Lin, S J" sort="Lin, S J" uniqKey="Lin S" first="S.-J." last="Lin">S.-J. Lin</name><affiliation><inist:fA14 i1="09"><s1>NOAA/Geophysical Fluid Dynamics Laboratory</s1><s2>Princeton, New Jersey</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Lokupitiya, R" sort="Lokupitiya, R" uniqKey="Lokupitiya R" first="R." last="Lokupitiya">R. Lokupitiya</name><affiliation><inist:fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Maki, T" sort="Maki, T" uniqKey="Maki T" first="T." last="Maki">T. Maki</name><affiliation><inist:fA14 i1="15"><s1>Atmospheric Environment Division, Japan Meteorological Agency</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Maksyutov, S" sort="Maksyutov, S" uniqKey="Maksyutov S" first="S." last="Maksyutov">S. Maksyutov</name><affiliation><inist:fA14 i1="16"><s1>National Institute for Environmental Studies</s1><s2>Tsukuba</s2><s3>JPN</s3><sZ>25 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Niwa, Y" sort="Niwa, Y" uniqKey="Niwa Y" first="Y." last="Niwa">Y. Niwa</name><affiliation><inist:fA14 i1="11"><s1>Center for Climate System Research, University of Tokyo</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>17 aut.</sZ><sZ>26 aut.</sZ><sZ>32 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Onishi, R" sort="Onishi, R" uniqKey="Onishi R" first="R." last="Onishi">R. Onishi</name><affiliation><inist:fA14 i1="18"><s1>Earth Simulator Center, JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>27 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Parazoo, N" sort="Parazoo, N" uniqKey="Parazoo N" first="N." last="Parazoo">N. Parazoo</name><affiliation><inist:fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Patra, P K" sort="Patra, P K" uniqKey="Patra P" first="P. K." last="Patra">P. K. Patra</name><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Pieterse, G" sort="Pieterse, G" uniqKey="Pieterse G" first="G." last="Pieterse">G. Pieterse</name><affiliation><inist:fA14 i1="10"><s1>Institute for Marine and Atmospheric Research</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>16 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="19"><s1>Energy Research Centre of the Netherlands</s1><s2>Petten</s2><s3>NLD</s3><sZ>30 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Rivier, L" sort="Rivier, L" uniqKey="Rivier L" first="L." last="Rivier">L. Rivier</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Satoh, M" sort="Satoh, M" uniqKey="Satoh M" first="M." last="Satoh">M. Satoh</name><affiliation><inist:fA14 i1="11"><s1>Center for Climate System Research, University of Tokyo</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>17 aut.</sZ><sZ>26 aut.</sZ><sZ>32 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Serrar, S" sort="Serrar, S" uniqKey="Serrar S" first="S." last="Serrar">S. Serrar</name><affiliation><inist:fA14 i1="20"><s1>ECMWF</s1><s2>Reading</s2><s3>GBR</s3><sZ>33 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Taguchi, S" sort="Taguchi, S" uniqKey="Taguchi S" first="S." last="Taguchi">S. Taguchi</name><affiliation><inist:fA14 i1="21"><s1>National Institute of Advanced Industrial Science and Technology</s1><s2>Tsukuba</s2><s3>JPN</s3><sZ>34 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Takigawa, M" sort="Takigawa, M" uniqKey="Takigawa M" first="M." last="Takigawa">M. Takigawa</name><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Vautard, R" sort="Vautard, R" uniqKey="Vautard R" first="R." last="Vautard">R. Vautard</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Vermeulen, A T" sort="Vermeulen, A T" uniqKey="Vermeulen A" first="A. T." last="Vermeulen">A. T. Vermeulen</name><affiliation><inist:fA14 i1="19"><s1>Energy Research Centre of the Netherlands</s1><s2>Petten</s2><s3>NLD</s3><sZ>30 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Zhu, Z" sort="Zhu, Z" uniqKey="Zhu Z" first="Z." last="Zhu">Z. Zhu</name><affiliation><inist:fA14 i1="22"><s1>Science Systems and Applications Incorporated</s1><s2>Lanham, Maryland</s2><s3>USA</s3><sZ>38 aut.</sZ></inist:fA14></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">08-0524113</idno><date when="2008">2008</date><idno type="stanalyst">PASCAL 08-0524113 INIST</idno><idno type="RBID">Pascal:08-0524113</idno><idno type="wicri:Area/PascalFrancis/Corpus">003195</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">TransCom model simulations of hourly atmospheric CO<sub>2</sub> : Experimental overview and diurnal cycle results for 2002</title><author><name sortKey="Law, R M" sort="Law, R M" uniqKey="Law R" first="R. M." last="Law">R. M. Law</name><affiliation><inist:fA14 i1="01"><s1>CSIRO Marine and Atmospheric Research</s1><s2>Aspendale, Victoria</s2><s3>AUS</s3><sZ>1 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Peters, W" sort="Peters, W" uniqKey="Peters W" first="W." last="Peters">W. Peters</name><affiliation><inist:fA14 i1="02"><s1>NOAA Earth Systems Research Laboratory</s1><s2>Boulder, Colorado</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>9 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Meteorology and Air Quality, Wageningen University and Research Center</s1><s2>Wageningen</s2><s3>NLD</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Rodenbeck, C" sort="Rodenbeck, C" uniqKey="Rodenbeck C" first="C." last="Rödenbeck">C. Rödenbeck</name><affiliation><inist:fA14 i1="04"><s1>Max-Planck-Institute for Biogeochemistry</s1><s2>Jena</s2><s3>DEU</s3><sZ>3 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Aulagnier, C" sort="Aulagnier, C" uniqKey="Aulagnier C" first="C." last="Aulagnier">C. Aulagnier</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Baker, I" sort="Baker, I" uniqKey="Baker I" first="I." last="Baker">I. Baker</name><affiliation><inist:fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bergmann, D J" sort="Bergmann, D J" uniqKey="Bergmann D" first="D. J." last="Bergmann">D. J. Bergmann</name><affiliation><inist:fA14 i1="07"><s1>Lawrence Livermore National Laboratory</s1><s2>Livermore, California</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>10 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bousquet, P" sort="Bousquet, P" uniqKey="Bousquet P" first="P." last="Bousquet">P. Bousquet</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Brandt, J" sort="Brandt, J" uniqKey="Brandt J" first="J." last="Brandt">J. Brandt</name><affiliation><inist:fA14 i1="08"><s1>National Environmental Research Institute, University of Aarhus</s1><s2>Roskilde</s2><s3>DNK</s3><sZ>8 aut.</sZ><sZ>11 aut.</sZ><sZ>15 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bruhwiler, L" sort="Bruhwiler, L" uniqKey="Bruhwiler L" first="L." last="Bruhwiler">L. Bruhwiler</name><affiliation><inist:fA14 i1="02"><s1>NOAA Earth Systems Research Laboratory</s1><s2>Boulder, Colorado</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>9 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Cameron Smith, P J" sort="Cameron Smith, P J" uniqKey="Cameron Smith P" first="P. J." last="Cameron-Smith">P. J. Cameron-Smith</name><affiliation><inist:fA14 i1="07"><s1>Lawrence Livermore National Laboratory</s1><s2>Livermore, California</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>10 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Christensen, J H" sort="Christensen, J H" uniqKey="Christensen J" first="J. H." last="Christensen">J. H. Christensen</name><affiliation><inist:fA14 i1="08"><s1>National Environmental Research Institute, University of Aarhus</s1><s2>Roskilde</s2><s3>DNK</s3><sZ>8 aut.</sZ><sZ>11 aut.</sZ><sZ>15 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Delage, F" sort="Delage, F" uniqKey="Delage F" first="F." last="Delage">F. Delage</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Denning, A S" sort="Denning, A S" uniqKey="Denning A" first="A. S." last="Denning">A. S. Denning</name><affiliation><inist:fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Fan, S" sort="Fan, S" uniqKey="Fan S" first="S." last="Fan">S. Fan</name><affiliation><inist:fA14 i1="09"><s1>NOAA/Geophysical Fluid Dynamics Laboratory</s1><s2>Princeton, New Jersey</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Geels, C" sort="Geels, C" uniqKey="Geels C" first="C." last="Geels">C. Geels</name><affiliation><inist:fA14 i1="08"><s1>National Environmental Research Institute, University of Aarhus</s1><s2>Roskilde</s2><s3>DNK</s3><sZ>8 aut.</sZ><sZ>11 aut.</sZ><sZ>15 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Houweling, S" sort="Houweling, S" uniqKey="Houweling S" first="S." last="Houweling">S. Houweling</name><affiliation><inist:fA14 i1="10"><s1>Institute for Marine and Atmospheric Research</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>16 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Imasu, R" sort="Imasu, R" uniqKey="Imasu R" first="R." last="Imasu">R. Imasu</name><affiliation><inist:fA14 i1="11"><s1>Center for Climate System Research, University of Tokyo</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>17 aut.</sZ><sZ>26 aut.</sZ><sZ>32 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Karstens, U" sort="Karstens, U" uniqKey="Karstens U" first="U." last="Karstens">U. Karstens</name><affiliation><inist:fA14 i1="04"><s1>Max-Planck-Institute for Biogeochemistry</s1><s2>Jena</s2><s3>DEU</s3><sZ>3 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kawa, S R" sort="Kawa, S R" uniqKey="Kawa S" first="S. R." last="Kawa">S. R. Kawa</name><affiliation><inist:fA14 i1="12"><s1>NASA Goddard Space Flight Center</s1><s2>Greenbelt, Maryland</s2><s3>USA</s3><sZ>19 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kleist, J" sort="Kleist, J" uniqKey="Kleist J" first="J." last="Kleist">J. Kleist</name><affiliation><inist:fA14 i1="13"><s1>Privacy Networks</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>20 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Krol, M C" sort="Krol, M C" uniqKey="Krol M" first="M. C." last="Krol">M. C. Krol</name><affiliation><inist:fA14 i1="03"><s1>Department of Meteorology and Air Quality, Wageningen University and Research Center</s1><s2>Wageningen</s2><s3>NLD</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="14"><s1>SRON</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>21 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Lin, S J" sort="Lin, S J" uniqKey="Lin S" first="S.-J." last="Lin">S.-J. Lin</name><affiliation><inist:fA14 i1="09"><s1>NOAA/Geophysical Fluid Dynamics Laboratory</s1><s2>Princeton, New Jersey</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Lokupitiya, R" sort="Lokupitiya, R" uniqKey="Lokupitiya R" first="R." last="Lokupitiya">R. Lokupitiya</name><affiliation><inist:fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Maki, T" sort="Maki, T" uniqKey="Maki T" first="T." last="Maki">T. Maki</name><affiliation><inist:fA14 i1="15"><s1>Atmospheric Environment Division, Japan Meteorological Agency</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Maksyutov, S" sort="Maksyutov, S" uniqKey="Maksyutov S" first="S." last="Maksyutov">S. Maksyutov</name><affiliation><inist:fA14 i1="16"><s1>National Institute for Environmental Studies</s1><s2>Tsukuba</s2><s3>JPN</s3><sZ>25 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Niwa, Y" sort="Niwa, Y" uniqKey="Niwa Y" first="Y." last="Niwa">Y. Niwa</name><affiliation><inist:fA14 i1="11"><s1>Center for Climate System Research, University of Tokyo</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>17 aut.</sZ><sZ>26 aut.</sZ><sZ>32 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Onishi, R" sort="Onishi, R" uniqKey="Onishi R" first="R." last="Onishi">R. Onishi</name><affiliation><inist:fA14 i1="18"><s1>Earth Simulator Center, JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>27 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Parazoo, N" sort="Parazoo, N" uniqKey="Parazoo N" first="N." last="Parazoo">N. Parazoo</name><affiliation><inist:fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Patra, P K" sort="Patra, P K" uniqKey="Patra P" first="P. K." last="Patra">P. K. Patra</name><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Pieterse, G" sort="Pieterse, G" uniqKey="Pieterse G" first="G." last="Pieterse">G. Pieterse</name><affiliation><inist:fA14 i1="10"><s1>Institute for Marine and Atmospheric Research</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>16 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="19"><s1>Energy Research Centre of the Netherlands</s1><s2>Petten</s2><s3>NLD</s3><sZ>30 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Rivier, L" sort="Rivier, L" uniqKey="Rivier L" first="L." last="Rivier">L. Rivier</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Satoh, M" sort="Satoh, M" uniqKey="Satoh M" first="M." last="Satoh">M. Satoh</name><affiliation><inist:fA14 i1="11"><s1>Center for Climate System Research, University of Tokyo</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>17 aut.</sZ><sZ>26 aut.</sZ><sZ>32 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Serrar, S" sort="Serrar, S" uniqKey="Serrar S" first="S." last="Serrar">S. Serrar</name><affiliation><inist:fA14 i1="20"><s1>ECMWF</s1><s2>Reading</s2><s3>GBR</s3><sZ>33 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Taguchi, S" sort="Taguchi, S" uniqKey="Taguchi S" first="S." last="Taguchi">S. Taguchi</name><affiliation><inist:fA14 i1="21"><s1>National Institute of Advanced Industrial Science and Technology</s1><s2>Tsukuba</s2><s3>JPN</s3><sZ>34 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Takigawa, M" sort="Takigawa, M" uniqKey="Takigawa M" first="M." last="Takigawa">M. Takigawa</name><affiliation><inist:fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Vautard, R" sort="Vautard, R" uniqKey="Vautard R" first="R." last="Vautard">R. Vautard</name><affiliation><inist:fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Vermeulen, A T" sort="Vermeulen, A T" uniqKey="Vermeulen A" first="A. T." last="Vermeulen">A. T. Vermeulen</name><affiliation><inist:fA14 i1="19"><s1>Energy Research Centre of the Netherlands</s1><s2>Petten</s2><s3>NLD</s3><sZ>30 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Zhu, Z" sort="Zhu, Z" uniqKey="Zhu Z" first="Z." last="Zhu">Z. Zhu</name><affiliation><inist:fA14 i1="22"><s1>Science Systems and Applications Incorporated</s1><s2>Lanham, Maryland</s2><s3>USA</s3><sZ>38 aut.</sZ></inist:fA14></affiliation></author></analytic><series><title level="j" type="main">Global biogeochemical cycles</title><title level="j" type="abbreviated">Glob. biogeochem. cycles</title><idno type="ISSN">0886-6236</idno><imprint><date when="2008">2008</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Global biogeochemical cycles</title><title level="j" type="abbreviated">Glob. biogeochem. cycles</title><idno type="ISSN">0886-6236</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon dioxide</term><term>Modeling</term><term>air</term><term>amplitude</term><term>atmosphere</term><term>concentration</term><term>cycles</term><term>diurnal variations</term><term>errors</term><term>experimental studies</term><term>models</term><term>radon</term><term>sampling</term><term>simulation</term><term>transport</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Modèle</term><term>Simulation</term><term>Atmosphère</term><term>Etude expérimentale</term><term>Cycle</term><term>Transport</term><term>Modélisation</term><term>Variation diurne</term><term>Dioxyde de carbone</term><term>Air</term><term>Radon</term><term>Concentration</term><term>Amplitude</term><term>Echantillonnage</term><term>Erreur</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">[1] A forward atmospheric transport modeling experiment has been coordinated by the TransCom group to investigate synoptic and diurnal variations in CO<sub>2</sub>. Model simulations were run for biospheric, fossil, and air-sea exchange of CO<sub>2</sub> and for SF<sub>6</sub> and radon for 2000-2003. Twenty-five models or model variants participated in the comparison. Hourly concentration time series were submitted for 280 sites along with vertical profiles, fluxes, and meteorological variables at 100 sites. The submitted results have been analyzed for diurnal variations and are compared with observed CO<sub>2</sub> in 2002. Mean summer diurnal cycles vary widely in amplitude across models. The choice of sampling location and model level account for part of the spread suggesting that representation errors in these types of models are potentially large. Despite the model spread, most models simulate the relative variation in diurnal amplitude between sites reasonably well. The modeled diurnal amplitude only shows a weak relationship with vertical resolution across models; differences in near-surface transport simulation appear to play a major role. Examples are also presented where there is evidence that the models show useful skill in simulating seasonal and synoptic changes in diurnal amplitude.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0886-6236</s0></fA01><fA02 i1="01"><s0>GBCYEP</s0></fA02><fA03 i2="1"><s0>Glob. biogeochem. cycles</s0></fA03><fA05><s2>22</s2></fA05><fA06><s2>3</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>TransCom model simulations of hourly atmospheric CO<sub>2</sub> : Experimental overview and diurnal cycle results for 2002</s1></fA08><fA11 i1="01" i2="1"><s1>LAW (R. M.)</s1></fA11><fA11 i1="02" i2="1"><s1>PETERS (W.)</s1></fA11><fA11 i1="03" i2="1"><s1>RÖDENBECK (C.)</s1></fA11><fA11 i1="04" i2="1"><s1>AULAGNIER (C.)</s1></fA11><fA11 i1="05" i2="1"><s1>BAKER (I.)</s1></fA11><fA11 i1="06" i2="1"><s1>BERGMANN (D. J.)</s1></fA11><fA11 i1="07" i2="1"><s1>BOUSQUET (P.)</s1></fA11><fA11 i1="08" i2="1"><s1>BRANDT (J.)</s1></fA11><fA11 i1="09" i2="1"><s1>BRUHWILER (L.)</s1></fA11><fA11 i1="10" i2="1"><s1>CAMERON-SMITH (P. J.)</s1></fA11><fA11 i1="11" i2="1"><s1>CHRISTENSEN (J. H.)</s1></fA11><fA11 i1="12" i2="1"><s1>DELAGE (F.)</s1></fA11><fA11 i1="13" i2="1"><s1>DENNING (A. S.)</s1></fA11><fA11 i1="14" i2="1"><s1>FAN (S.)</s1></fA11><fA11 i1="15" i2="1"><s1>GEELS (C.)</s1></fA11><fA11 i1="16" i2="1"><s1>HOUWELING (S.)</s1></fA11><fA11 i1="17" i2="1"><s1>IMASU (R.)</s1></fA11><fA11 i1="18" i2="1"><s1>KARSTENS (U.)</s1></fA11><fA11 i1="19" i2="1"><s1>KAWA (S. R.)</s1></fA11><fA11 i1="20" i2="1"><s1>KLEIST (J.)</s1></fA11><fA11 i1="21" i2="1"><s1>KROL (M. C.)</s1></fA11><fA11 i1="22" i2="1"><s1>LIN (S.-J.)</s1></fA11><fA11 i1="23" i2="1"><s1>LOKUPITIYA (R.)</s1></fA11><fA11 i1="24" i2="1"><s1>MAKI (T.)</s1></fA11><fA11 i1="25" i2="1"><s1>MAKSYUTOV (S.)</s1></fA11><fA11 i1="26" i2="1"><s1>NIWA (Y.)</s1></fA11><fA11 i1="27" i2="1"><s1>ONISHI (R.)</s1></fA11><fA11 i1="28" i2="1"><s1>PARAZOO (N.)</s1></fA11><fA11 i1="29" i2="1"><s1>PATRA (P. K.)</s1></fA11><fA11 i1="30" i2="1"><s1>PIETERSE (G.)</s1></fA11><fA11 i1="31" i2="1"><s1>RIVIER (L.)</s1></fA11><fA11 i1="32" i2="1"><s1>SATOH (M.)</s1></fA11><fA11 i1="33" i2="1"><s1>SERRAR (S.)</s1></fA11><fA11 i1="34" i2="1"><s1>TAGUCHI (S.)</s1></fA11><fA11 i1="35" i2="1"><s1>TAKIGAWA (M.)</s1></fA11><fA11 i1="36" i2="1"><s1>VAUTARD (R.)</s1></fA11><fA11 i1="37" i2="1"><s1>VERMEULEN (A. T.)</s1></fA11><fA11 i1="38" i2="1"><s1>ZHU (Z.)</s1></fA11><fA14 i1="01"><s1>CSIRO Marine and Atmospheric Research</s1><s2>Aspendale, Victoria</s2><s3>AUS</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>NOAA Earth Systems Research Laboratory</s1><s2>Boulder, Colorado</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>9 aut.</sZ></fA14><fA14 i1="03"><s1>Department of Meteorology and Air Quality, Wageningen University and Research Center</s1><s2>Wageningen</s2><s3>NLD</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></fA14><fA14 i1="04"><s1>Max-Planck-Institute for Biogeochemistry</s1><s2>Jena</s2><s3>DEU</s3><sZ>3 aut.</sZ><sZ>18 aut.</sZ></fA14><fA14 i1="05"><s1>Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ</s1><s2>Gif-sur-Yvette</s2><s3>FRA</s3><sZ>4 aut.</sZ><sZ>7 aut.</sZ><sZ>12 aut.</sZ><sZ>31 aut.</sZ><sZ>36 aut.</sZ></fA14><fA14 i1="06"><s1>Department of Atmospheric Science, Colorado State University</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>5 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>28 aut.</sZ></fA14><fA14 i1="07"><s1>Lawrence Livermore National Laboratory</s1><s2>Livermore, California</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>10 aut.</sZ></fA14><fA14 i1="08"><s1>National Environmental Research Institute, University of Aarhus</s1><s2>Roskilde</s2><s3>DNK</s3><sZ>8 aut.</sZ><sZ>11 aut.</sZ><sZ>15 aut.</sZ></fA14><fA14 i1="09"><s1>NOAA/Geophysical Fluid Dynamics Laboratory</s1><s2>Princeton, New Jersey</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>22 aut.</sZ></fA14><fA14 i1="10"><s1>Institute for Marine and Atmospheric Research</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>16 aut.</sZ><sZ>30 aut.</sZ></fA14><fA14 i1="11"><s1>Center for Climate System Research, University of Tokyo</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>17 aut.</sZ><sZ>26 aut.</sZ><sZ>32 aut.</sZ></fA14><fA14 i1="12"><s1>NASA Goddard Space Flight Center</s1><s2>Greenbelt, Maryland</s2><s3>USA</s3><sZ>19 aut.</sZ></fA14><fA14 i1="13"><s1>Privacy Networks</s1><s2>Fort Collins, Colorado</s2><s3>USA</s3><sZ>20 aut.</sZ></fA14><fA14 i1="14"><s1>SRON</s1><s2>Utrecht</s2><s3>NLD</s3><sZ>21 aut.</sZ></fA14><fA14 i1="15"><s1>Atmospheric Environment Division, Japan Meteorological Agency</s1><s2>Tokyo</s2><s3>JPN</s3><sZ>24 aut.</sZ></fA14><fA14 i1="16"><s1>National Institute for Environmental Studies</s1><s2>Tsukuba</s2><s3>JPN</s3><sZ>25 aut.</sZ></fA14><fA14 i1="17"><s1>Frontier Research Center for Global Change/JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>25 aut.</sZ><sZ>29 aut.</sZ><sZ>32 aut.</sZ><sZ>35 aut.</sZ></fA14><fA14 i1="18"><s1>Earth Simulator Center, JAMSTEC</s1><s2>Yokohama</s2><s3>JPN</s3><sZ>27 aut.</sZ></fA14><fA14 i1="19"><s1>Energy Research Centre of the Netherlands</s1><s2>Petten</s2><s3>NLD</s3><sZ>30 aut.</sZ><sZ>37 aut.</sZ></fA14><fA14 i1="20"><s1>ECMWF</s1><s2>Reading</s2><s3>GBR</s3><sZ>33 aut.</sZ></fA14><fA14 i1="21"><s1>National Institute of Advanced Industrial Science and Technology</s1><s2>Tsukuba</s2><s3>JPN</s3><sZ>34 aut.</sZ></fA14><fA14 i1="22"><s1>Science Systems and Applications Incorporated</s1><s2>Lanham, Maryland</s2><s3>USA</s3><sZ>38 aut.</sZ></fA14><fA20><s2>GB3009.1-GB309.15</s2></fA20><fA21><s1>2008</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>21109</s2><s5>354000183893470080</s5></fA43><fA44><s0>0000</s0><s1>© 2008 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>1 p.1/2</s0></fA45><fA47 i1="01" i2="1"><s0>08-0524113</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Global biogeochemical cycles</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>[1] A forward atmospheric transport modeling experiment has been coordinated by the TransCom group to investigate synoptic and diurnal variations in CO<sub>2</sub>. Model simulations were run for biospheric, fossil, and air-sea exchange of CO<sub>2</sub> and for SF<sub>6</sub> and radon for 2000-2003. Twenty-five models or model variants participated in the comparison. Hourly concentration time series were submitted for 280 sites along with vertical profiles, fluxes, and meteorological variables at 100 sites. The submitted results have been analyzed for diurnal variations and are compared with observed CO<sub>2</sub> in 2002. Mean summer diurnal cycles vary widely in amplitude across models. The choice of sampling location and model level account for part of the spread suggesting that representation errors in these types of models are potentially large. Despite the model spread, most models simulate the relative variation in diurnal amplitude between sites reasonably well. The modeled diurnal amplitude only shows a weak relationship with vertical resolution across models; differences in near-surface transport simulation appear to play a major role. Examples are also presented where there is evidence that the models show useful skill in simulating seasonal and synoptic changes in diurnal amplitude.</s0></fC01><fC02 i1="01" i2="X"><s0>002A14B04A</s0></fC02><fC02 i1="02" i2="2"><s0>001E01B</s0></fC02><fC02 i1="03" i2="2"><s0>220B</s0></fC02><fC03 i1="01" i2="2" l="FRE"><s0>Modèle</s0><s5>01</s5></fC03><fC03 i1="01" i2="2" l="ENG"><s0>models</s0><s5>01</s5></fC03><fC03 i1="01" i2="2" l="SPA"><s0>Modelo</s0><s5>01</s5></fC03><fC03 i1="02" i2="2" l="FRE"><s0>Simulation</s0><s5>02</s5></fC03><fC03 i1="02" i2="2" l="ENG"><s0>simulation</s0><s5>02</s5></fC03><fC03 i1="02" i2="2" l="SPA"><s0>Simulación</s0><s5>02</s5></fC03><fC03 i1="03" i2="2" l="FRE"><s0>Atmosphère</s0><s5>03</s5></fC03><fC03 i1="03" i2="2" l="ENG"><s0>atmosphere</s0><s5>03</s5></fC03><fC03 i1="03" i2="2" l="SPA"><s0>Atmósfera</s0><s5>03</s5></fC03><fC03 i1="04" i2="2" l="FRE"><s0>Etude expérimentale</s0><s5>04</s5></fC03><fC03 i1="04" i2="2" l="ENG"><s0>experimental studies</s0><s5>04</s5></fC03><fC03 i1="05" i2="2" l="FRE"><s0>Cycle</s0><s5>05</s5></fC03><fC03 i1="05" i2="2" l="ENG"><s0>cycles</s0><s5>05</s5></fC03><fC03 i1="06" i2="2" l="FRE"><s0>Transport</s0><s5>06</s5></fC03><fC03 i1="06" i2="2" l="ENG"><s0>transport</s0><s5>06</s5></fC03><fC03 i1="06" i2="2" l="SPA"><s0>Transporte</s0><s5>06</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Modélisation</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Modeling</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Modelización</s0><s5>07</s5></fC03><fC03 i1="08" i2="2" l="FRE"><s0>Variation diurne</s0><s5>08</s5></fC03><fC03 i1="08" i2="2" l="ENG"><s0>diurnal variations</s0><s5>08</s5></fC03><fC03 i1="08" i2="2" l="SPA"><s0>Variación diurna</s0><s5>08</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Dioxyde de carbone</s0><s2>NK</s2><s2>FX</s2><s5>09</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Carbon dioxide</s0><s2>NK</s2><s2>FX</s2><s5>09</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Carbono dióxido</s0><s2>NK</s2><s2>FX</s2><s5>09</s5></fC03><fC03 i1="10" i2="2" l="FRE"><s0>Air</s0><s5>10</s5></fC03><fC03 i1="10" i2="2" l="ENG"><s0>air</s0><s5>10</s5></fC03><fC03 i1="11" i2="2" l="FRE"><s0>Radon</s0><s5>11</s5></fC03><fC03 i1="11" i2="2" l="ENG"><s0>radon</s0><s5>11</s5></fC03><fC03 i1="11" i2="2" l="SPA"><s0>Radón</s0><s5>11</s5></fC03><fC03 i1="12" i2="2" l="FRE"><s0>Concentration</s0><s5>12</s5></fC03><fC03 i1="12" i2="2" l="ENG"><s0>concentration</s0><s5>12</s5></fC03><fC03 i1="12" i2="2" l="SPA"><s0>Concentración</s0><s5>12</s5></fC03><fC03 i1="13" i2="2" l="FRE"><s0>Amplitude</s0><s5>13</s5></fC03><fC03 i1="13" i2="2" l="ENG"><s0>amplitude</s0><s5>13</s5></fC03><fC03 i1="13" i2="2" l="SPA"><s0>Amplitud</s0><s5>13</s5></fC03><fC03 i1="14" i2="2" l="FRE"><s0>Echantillonnage</s0><s5>14</s5></fC03><fC03 i1="14" i2="2" l="ENG"><s0>sampling</s0><s5>14</s5></fC03><fC03 i1="14" i2="2" l="SPA"><s0>Muestreo</s0><s5>14</s5></fC03><fC03 i1="15" i2="2" l="FRE"><s0>Erreur</s0><s5>15</s5></fC03><fC03 i1="15" i2="2" l="ENG"><s0>errors</s0><s5>15</s5></fC03><fC03 i1="15" i2="2" l="SPA"><s0>Error</s0><s5>15</s5></fC03><fN21><s1>343</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard><server><NO>PASCAL 08-0524113 INIST</NO><ET>TransCom model simulations of hourly atmospheric CO<sub>2</sub> : Experimental overview and diurnal cycle results for 2002</ET><AU>LAW (R. M.); PETERS (W.); RÖDENBECK (C.); AULAGNIER (C.); BAKER (I.); BERGMANN (D. J.); BOUSQUET (P.); BRANDT (J.); BRUHWILER (L.); CAMERON-SMITH (P. J.); CHRISTENSEN (J. H.); DELAGE (F.); DENNING (A. S.); FAN (S.); GEELS (C.); HOUWELING (S.); IMASU (R.); KARSTENS (U.); KAWA (S. R.); KLEIST (J.); KROL (M. C.); LIN (S.-J.); LOKUPITIYA (R.); MAKI (T.); MAKSYUTOV (S.); NIWA (Y.); ONISHI (R.); PARAZOO (N.); PATRA (P. K.); PIETERSE (G.); RIVIER (L.); SATOH (M.); SERRAR (S.); TAGUCHI (S.); TAKIGAWA (M.); VAUTARD (R.); VERMEULEN (A. T.); ZHU (Z.)</AU><AF>CSIRO Marine and Atmospheric Research/Aspendale, Victoria/Australie (1 aut.); NOAA Earth Systems Research Laboratory/Boulder, Colorado/Etats-Unis (2 aut., 9 aut.); Department of Meteorology and Air Quality, Wageningen University and Research Center/Wageningen/Pays-Bas (2 aut., 21 aut.); Max-Planck-Institute for Biogeochemistry/Jena/Allemagne (3 aut., 18 aut.); Laboratoire des Sciences du Climat et de l'Environnement/IPSL, CEA/ CNRS/UVSQ/Gif-sur-Yvette/France (4 aut., 7 aut., 12 aut., 31 aut., 36 aut.); Department of Atmospheric Science, Colorado State University/Fort Collins, Colorado/Etats-Unis (5 aut., 13 aut., 23 aut., 28 aut.); Lawrence Livermore National Laboratory/Livermore, California/Etats-Unis (6 aut., 10 aut.); National Environmental Research Institute, University of Aarhus/Roskilde/Danemark (8 aut., 11 aut., 15 aut.); NOAA/Geophysical Fluid Dynamics Laboratory/Princeton, New Jersey/Etats-Unis (14 aut., 22 aut.); Institute for Marine and Atmospheric Research/Utrecht/Pays-Bas (16 aut., 30 aut.); Center for Climate System Research, University of Tokyo/Tokyo/Japon (17 aut., 26 aut., 32 aut.); NASA Goddard Space Flight Center/Greenbelt, Maryland/Etats-Unis (19 aut.); Privacy Networks/Fort Collins, Colorado/Etats-Unis (20 aut.); SRON/Utrecht/Pays-Bas (21 aut.); Atmospheric Environment Division, Japan Meteorological Agency/Tokyo/Japon (24 aut.); National Institute for Environmental Studies/Tsukuba/Japon (25 aut.); Frontier Research Center for Global Change/JAMSTEC/Yokohama/Japon (25 aut., 29 aut., 32 aut., 35 aut.); Earth Simulator Center, JAMSTEC/Yokohama/Japon (27 aut.); Energy Research Centre of the Netherlands/Petten/Pays-Bas (30 aut., 37 aut.); ECMWF/Reading/Royaume-Uni (33 aut.); National Institute of Advanced Industrial Science and Technology/Tsukuba/Japon (34 aut.); Science Systems and Applications Incorporated/Lanham, Maryland/Etats-Unis (38 aut.)</AF><DT>Publication en série; Niveau analytique</DT><SO>Global biogeochemical cycles; ISSN 0886-6236; Coden GBCYEP; Etats-Unis; Da. 2008; Vol. 22; No. 3; GB3009.1-GB309.15; Bibl. 1 p.1/2</SO><LA>Anglais</LA><EA>[1] A forward atmospheric transport modeling experiment has been coordinated by the TransCom group to investigate synoptic and diurnal variations in CO<sub>2</sub>. Model simulations were run for biospheric, fossil, and air-sea exchange of CO<sub>2</sub> and for SF<sub>6</sub> and radon for 2000-2003. Twenty-five models or model variants participated in the comparison. Hourly concentration time series were submitted for 280 sites along with vertical profiles, fluxes, and meteorological variables at 100 sites. The submitted results have been analyzed for diurnal variations and are compared with observed CO<sub>2</sub> in 2002. Mean summer diurnal cycles vary widely in amplitude across models. The choice of sampling location and model level account for part of the spread suggesting that representation errors in these types of models are potentially large. Despite the model spread, most models simulate the relative variation in diurnal amplitude between sites reasonably well. The modeled diurnal amplitude only shows a weak relationship with vertical resolution across models; differences in near-surface transport simulation appear to play a major role. Examples are also presented where there is evidence that the models show useful skill in simulating seasonal and synoptic changes in diurnal amplitude.</EA><CC>002A14B04A; 001E01B; 220B</CC><FD>Modèle; Simulation; Atmosphère; Etude expérimentale; Cycle; Transport; Modélisation; Variation diurne; Dioxyde de carbone; Air; Radon; Concentration; Amplitude; Echantillonnage; Erreur</FD><ED>models; simulation; atmosphere; experimental studies; cycles; transport; Modeling; diurnal variations; Carbon dioxide; air; radon; concentration; amplitude; sampling; errors</ED><SD>Modelo; Simulación; Atmósfera; Transporte; Modelización; Variación diurna; Carbono dióxido; Radón; Concentración; Amplitud; Muestreo; Error</SD><LO>INIST-21109.354000183893470080</LO><ID>08-0524113</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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