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Global Patterns of Carbon Dioxide Variability from Satellite Observations

Jiang, Xun and Yung, Yuk L. (2019) Global Patterns of Carbon Dioxide Variability from Satellite Observations. Annual Review of Earth and Planetary Sciences, 47 . pp. 225-245. ISSN 0084-6597. doi:10.1146/annurev-earth-053018-060447.

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Advanced satellite technology has been providing unique observations of global carbon dioxide (CO_2) concentrations. These observations have revealed important CO_2 variability at different timescales and over regional and planetary scales. Satellite CO_2 retrievals have revealed that stratospheric sudden warming and the Madden-Julian Oscillation can modulate atmospheric CO_2 concentrations in the mid-troposphere. Atmospheric CO_2 also demonstrates variability at interannual timescales. In the tropical region, the El Niño–Southern Oscillation and the Tropospheric Biennial Oscillation can change atmospheric CO_2 concentrations. At high latitudes, mid-tropospheric CO_2 concentrations can be influenced by the Northern Hemispheric annular mode. In addition to modulations by the large-scale circulations, sporadic events such as wildfires, volcanic eruptions, and droughts, which change CO_2 surface emissions, can cause atmospheric CO_2 concentrations to increase significantly. The natural variability of CO_2 summarized in this review can help us better understand its sources and sinks and its redistribution by atmospheric motion.

Item Type:Article
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URLURL TypeDescription
Jiang, Xun0000-0001-8932-3807
Yung, Yuk L.0000-0002-4263-2562
Additional Information:© 2019 Annual Reviews. First published as a Review in Advance on January 11, 2019. We thank the anonymous reviewer and Co-Editors for their time and helpful comments. We thank D. Crisp, A. Eldering, M. Gunson, C. Miller, E. Olsen, and T. Pagano for discussions and G. Chen, K.-F. Li,M.-C. Liang, V. Natraj, S. Newman, R.-L. Shia, Y.Wang, and Z.-C. Zeng for critical reading of the manuscript.We also thank K. Jucks for many years of support via the NASA OCO-2 project. The authors are not aware of any affiliations, memberships, funding, or financial holdings that might be perceived as affecting the objectivity of this review.
Group:Astronomy Department
Subject Keywords:CO2 annual cycle, CO2 semiannual cycle, intraseasonal variability, monsoon, El Niño–Southern Oscillation, Northern Annular Mode, drought, wildfire
Record Number:CaltechAUTHORS:20190620-081112875
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Official Citation:Global Patterns of Carbon Dioxide Variability from Satellite Observations. Xun Jiang and Yuk L. Yung. Annual Review of Earth and Planetary Sciences 2019 47:1, 225-245; doi: 10.1146/annurev-earth-053018-060447
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96576
Deposited By: Tony Diaz
Deposited On:20 Jun 2019 16:43
Last Modified:16 Nov 2021 17:22

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