Precision requirements for space-based XCO2 data

被引：285

作者：

Miller, C. E.

Crisp, D.

DeCola, P. L.

Olsen, S. C.

Randerson, J. T.

Michalak, A. M.

Alkhaled, A.

Rayner, P.

Jacob, D. J.

Suntharalingam, P.

Jones, D. B. A.

Denning, A. S.

Nicholls, M. E.

Doney, S. C.

Pawson, S.

Boesch, H.

Connor, B. J.

Fung, I. Y.

O'Brien, D.

Salawitch, R. J.

Sander, S. P.

Sen, B.

Tans, P.

Toon, G. C.

Wennberg, P. O.

Wofsy, S. C.

Yung, Y. L.

Law, R. M.

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[2] NASA Headquarters, Sci Mission Directorate, Washington, DC USA

[3] Los Alamos Natl Lab, Los Alamos, NM USA

[4] Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA USA

[5] Univ Michigan, Dept Civil & Environm Engn, Ann Arbor, MI 48109 USA

[6] Univ Michigan, Dept Atmospher Ocean & Space Sci, Ann Arbor, MI 48109 USA

[7] UVSQ, CNRS, CEA, Lab Sci Climat & Environm IPSL, Gif Sur Yvette, France

[8] Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02138 USA

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

[10] Univ Toronto, Dept Phys, Toronto, ON, Canada

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

[12] Woods Hole Oceanog Inst, Dept Marine Chem & Geochem, Woods Hole, MA 02543 USA

[13] Goddard Earth Sci & Technol Ctr, Baltimore, MD USA

[14] NASA, Goddard Space Flight Ctr, Global Modeling & Assimilat Off, Greenbelt, MD 20771 USA

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

[16] Univ Calif Berkeley, Berkeley Atmospher Sci Ctr, Berkeley, CA 94720 USA

[17] NOAA, Earth Syst Res Lab, Global Monitoring Div, Boulder, CO USA

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

[19] CSIRO Marine & Atmospher Res, Aspendale, Vic, Australia

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES | 2007年 / 112卷 / D10期

关键词：

IN-SITU OBSERVATIONS; EMPIRICAL AGE SPECTRA; CARBON-DIOXIDE; ATMOSPHERIC CO2; 3-DIMENSIONAL TRANSPORT; DIFFERENTIAL ABSORPTION; AIRCRAFT OBSERVATION; GLOBAL OBSERVATIONS; REFLECTED SUNLIGHT; NORTH PACIFIC;

D O I：

10.1029/2006JD007659

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

[1] Precision requirements are determined for space-based column-averaged CO2 dry air mole fraction (X-CO2) data. These requirements result from an assessment of spatial and temporal gradients in X-CO2, the relationship between X-CO2 precision and surface CO2 flux uncertainties inferred from inversions of the X-CO2 data, and the effects of X-CO2 biases on the fidelity of CO2 flux inversions. Observational system simulation experiments and synthesis inversion modeling demonstrate that the Orbiting Carbon Observatory mission design and sampling strategy provide the means to achieve these X-CO2 data precision requirements.

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