Global CO2 fluxes inferred from surface air-sample measurements and from TCCON retrievals of the CO2 total column

被引：71

作者：

Chevallier, F. ^{[1
]}

Deutscher, N. M. ^{[2
]}

Conway, T. J. ^{[4
]}

Ciais, P. ^{[1
]}

Ciattaglia, L. ^{[5
]}

Dohe, S. ^{[6
]}

Froehlich, M. ^{[7
]}

Gomez-Pelaez, A. J. ^{[8
]}

Griffith, D. ^{[3
]}

Hase, F. ^{[6
]}

Haszpra, L. ^{[9
]}

Krummel, P. ^{[10
]}

Kyro, E. ^{[11
]}

Labuschagne, C. ^{[12
]}

Langenfelds, R. ^{[10
]}

Machida, T. ^{[13
]}

Maignan, F. ^{[1
]}

Matsueda, H. ^{[14
]}

Morino, I. ^{[13
]}

Notholt, J. ^{[2
]}

Ramonet, M. ^{[1
]}

Sawa, Y. ^{[14
]}

Schmidt, M. ^{[1
]}

Sherlock, V. ^{[15
]}

Steele, P. ^{[10
]}

Strong, K. ^{[16
]}

Sussmann, R. ^{[17
]}

Wennberg, P. ^{[18
]}

Wofsy, S. ^{[19
]}

Worthy, D. ^{[20
]}

Wunch, D. ^{[18
]}

Zimnoch, M. ^{[21
]}

机构：

[1] CEA CNRS UVSQ, Lab Sci Climat & Environm, F-91191 Gif Sur Yvette, France

[2] Univ Bremen, Inst Environm Phys, D-28334 Bremen, Germany

[3] Univ Wollongong, Sch Chem, Wollongong, NSW 2522, Australia

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

[5] CNR IDAC, ICES, I-00133 Rome, Italy

[6] Karlsruhe Inst Technol, D-76344 Eggenstein Leopoldshafen, Germany

[7] Umweltbundesamt GmbH, A-1090 Vienna, Austria

[8] Meteorol State Agcy Spain, E-38071 Santa Cruz De Tenerife, Spain

[9] Hungarian Meteorol Serv, H-1181 Budapest, Hungary

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

[11] Finnish Meteorol Inst, Arctic Res Ctr, FI-99600 Helsinki, Finland

[12] S African Weather Serv, ZA-7599 Stellenbosch, South Africa

[13] Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan

[14] Meteorol Res Inst, Tsukuba, Ibaraki 3050052, Japan

[15] Natl Inst Water & Atmospher Res, Wellington 6021, New Zealand

[16] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada

[17] IMK IFU, Garmisch Partenkirchen, Germany

[18] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA

[19] Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA

[20] Environm Canada, Downsview, ON M3H 5T4, Canada

[21] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland

来源：

GEOPHYSICAL RESEARCH LETTERS | 2011年 / 38卷

关键词：

SINKS; MODEL;

D O I：

10.1029/2011GL049899

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We present the first estimate of the global distribution of CO2 surface fluxes from 14 stations of the Total Carbon Column Observing Network (TCCON). The evaluation of this inversion is based on 1) comparison with the fluxes from a classical inversion of surface air-sample-measurements, and 2) comparison of CO2 mixing ratios calculated from the inverted fluxes with independent aircraft measurements made during the two years analyzed here, 2009 and 2010. The former test shows similar seasonal cycles in the northern hemisphere and consistent regional carbon budgets between inversions from the two datasets, even though the TCCON inversion appears to be less precise than the classical inversion. The latter test confirms that the TCCON inversion has improved the quality (i.e., reduced the uncertainty) of the surface fluxes compared to the assumed or prior fluxes. The consistency between the surface-air-sample-based and the TCCON-based inversions despite remaining flaws in transport models opens the possibility of increased accuracy and robustness of flux inversions based on the combination of both data sources and confirms the usefulness of space-borne monitoring of the CO2 column. Citation: Chevallier, F., et al. (2011), Global CO2 fluxes inferred from surface air-sample measurements and from TCCON retrievals of the CO2 total column, Geophys. Res. Lett., 38, L24810, doi:10.1029/2011GL049899.

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