TransCom model simulations of hourly atmospheric CO2:: Experimental overview and diurnal cycle results for 2002

被引：110

作者：

Law, R. M. ^{[1
]}

Peters, W. ^{[2
,3
]}

Roedenbeck, C. ^{[4
]}

Aulagnier, C. ^{[5
]}

Baker, I. ^{[6
]}

Bergmann, D. J. ^{[7
]}

Bousquet, P. ^{[5
]}

Brandt, J. ^{[8
]}

Bruhwiler, L. ^{[2
]}

Cameron-Smith, P. J. ^{[7
]}

Christensen, J. H. ^{[8
]}

Delage, F. ^{[5
]}

Denning, A. S. ^{[6
]}

Fan, S. ^{[9
]}

Geels, C. ^{[8
]}

Houweling, S. ^{[10
]}

Imasu, R. ^{[11
]}

Karstens, U. ^{[4
]}

Kawa, S. R. ^{[12
]}

Kleist, J. ^{[13
]}

Krol, M. C. ^{[14
]}

Lin, S. -J. ^{[9
]}

Lokupitiya, R. ^{[6
]}

Maki, T. ^{[15
]}

Maksyutov, S. ^{[16
]}

Niwa, Y. ^{[11
]}

Onishi, R. ^{[18
]}

Parazoo, N. ^{[6
]}

Patra, P. K. ^{[17
]}

Pieterse, G. ^{[10
]}

Rivier, L. ^{[5
]}

Satoh, M. ^{[11
]}

Serrar, S. ^{[20
]}

Taguchi, S. ^{[21
]}

Takigawa, M. ^{[17
]}

Vautard, R. ^{[5
]}

Vermeulen, A. T. ^{[19
]}

Zhu, Z. ^{[22
]}

机构：

[1] CSIRO Marine & Atmospher Res, Aspendale, Vic 3195, Australia

[2] NOAA Earth Syst Res Lab, Boulder, CO 80305 USA

[3] Univ Wageningen & Res Ctr, Dept Meteorol & Air Qual, NL-6708 PB Wageningen, Netherlands

[4] Max Planck Inst Biogeochem, D-07701 Jena, Germany

[5] CEA Saclay CNRS UVSQ, LSCE IPSL, F-91191 Gif Sur Yvette, France

[6] Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA

[7] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[8] Aarhus Univ, Natl Environm Res Inst, Dept Atmospher Environm, DK-4000 Roskilde, Denmark

[9] NOAA Geophys Fluide Dynam Lab, Princeton, NJ 08542 USA

[10] SRON, Netherland Inst Space Res, NL-3584 CA Utrecht, Netherlands

[11] Univ Tokyo, Ctr Climate Syst Res, Kashiwa, Chiba 2778568, Japan

[12] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA

[13] Privacy Networks, Ft Collins, CO 80521 USA

[14] SRON, IMAU, NL-3584 CC Utrecht, Netherlands

[15] Japan Meteorol Agcy, Div Atmospher Environm, Tokyo 1008122, Japan

[16] Natl Inst Environm Studies, Ctr Global Environm Res, Tsukuba, Ibaraki 3058506, Japan

[17] Frontier Res Ctr Global Change JAMSTEC, Kanazawa Ku, Yokohama, Kanagawa 2360001, Japan

[18] JAMSTEC, Earth Simulator Ctr, Yokohama, Kanagawa 2360001, Japan

[19] Energy Res Ctr Netherlands ECN, NL-1755 ZG Petten, Netherlands

[20] ECMWF, Reading RG2 9AX, Berks, England

[21] Natl Inst Adv Ind Sci & Technol, AIST W, Tsukuba, Ibaraki 3058569, Japan

[22] Sci Syst & Applicat Inc, Lanham, MD 20706 USA

来源：

GLOBAL BIOGEOCHEMICAL CYCLES | 2008年 / 22卷 / 03期

关键词：

D O I：

10.1029/2007GB003050

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

[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.

引用

页数：15

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