The Orbiting Carbon Observatory-2 early science investigations of regional carbon dioxide fluxes

被引：202

作者：

Eldering, A. ^{[1
]}

Wennberg, P. O. ^{[2
,3
]}

Crisp, D. ^{[1
]}

Schimel, D. S. ^{[1
]}

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

Chatterjee, A. ^{[4
,5
]}

Liu, J. ^{[1
]}

Schwandner, F. M. ^{[1
]}

Sun, Y. ^{[1
]}

O'Dell, C. W. ^{[6
]}

Frankenberg, C. ^{[2
]}

Taylor, T. ^{[6
]}

Fisher, B. ^{[1
]}

Osterman, G. B. ^{[1
]}

Wunch, D. ^{[2
,8
]}

Hakkarainen, J. ^{[7
]}

Tamminen, J. ^{[7
]}

Weir, B. ^{[4
,5
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91125 USA

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

[3] CALTECH, Div Engn & Appl Sci, Pasadena, CA 91125 USA

[4] Univ Space Res Assoc, Columbia, MD USA

[5] NASA, Global Modeling & Assimilat Off, Greenbelt, MD USA

[6] Colorado State Univ, Cooperat Inst Res Atmosphere, Ft Collins, CO 80523 USA

[7] Finnish Meteorol Inst, Earth Observat, Helsinki, Finland

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

来源：

SCIENCE | 2017年 / 358卷 / 6360期

基金：

芬兰科学院;

关键词：

TERRESTRIAL CHLOROPHYLL FLUORESCENCE; GLOBAL FIRE EMISSIONS; ATMOSPHERIC CO2; SATELLITE-OBSERVATIONS; SOUTHERN-OSCILLATION; SEASONAL CYCLE; RETRIEVAL; SPECTROMETER; UNCERTAINTY; PERFORMANCE;

D O I：

10.1126/science.aam5745

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

NASA's Orbiting CarbonObservatory-2 (OCO-2) mission was motivated by the need to diagnose how the increasing concentration of atmospheric carbon dioxide (CO2) is altering the productivity of the biosphere and the uptake of CO2 by the oceans. Launched on 2 July 2014, OCO-2 provides retrievals of the column-averaged CO2 dry-air mole fraction (X-CO2) as well as the fluorescence from chlorophyll in terrestrial plants. The seasonal pattern of uptake by the terrestrial biosphere is recorded in fluorescence and the drawdown of X-CO2 during summer. Launched just before one of the most intense El Ninos of the past century, OCO-2 measurements of X-CO2 and fluorescence record the impact of the large change in ocean temperature and rainfall on uptake and release of CO2 by the oceans and biosphere.

引用

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