Articles | Volume 15, issue 22
https://doi.org/10.5194/acp-15-13023-2015
https://doi.org/10.5194/acp-15-13023-2015
Research article
 | 
24 Nov 2015
Research article |  | 24 Nov 2015

Does GOSAT capture the true seasonal cycle of carbon dioxide?

H. Lindqvist, C. W. O'Dell, S. Basu, H. Boesch, F. Chevallier, N. Deutscher, L. Feng, B. Fisher, F. Hase, M. Inoue, R. Kivi, I. Morino, P. I. Palmer, R. Parker, M. Schneider, R. Sussmann, and Y. Yoshida

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Cited articles

Belikov, D. A., Bril, A., Maksuytov, S., Oshchepkov, S., Saeki, T., Takagi, H., Yoshida, Y., Ganshin, A., Zhuravlev, R., Aoki, S., and Yokota, T.: Column-averaged CO2 concentrations in the subarctic from GOSAT retrievals and NIES transport model simulations, Polar Science, 8, 129–145, 2014.
Blumenstock, T., Hase, F., Schneider, M., García, O. E., and Sepúlveda, E.: TCCON data from Izaña, Tenerife, Spain, Release GGG2014R0, TCCON data archive, hosted by the Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA. https://doi.org/10.14291/tccon.ggg2014.izana01.R0/1149295, 2014.
Chevallier, F., Breon, F.-M., and Rayner, P. J.: Contribution of the Orbiting Carbon Observatory to the estimation of CO2 sources and sinks: Theoretical study in a variational data assimilation framework, J. Geophys. Res., 112, D09307, https://doi.org/10.1029/2006JD007375, 2007.
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Atmospheric carbon dioxide concentration varies seasonally mainly due to plant photosynthesis in the Northern Hemisphere. We found that the satellite GOSAT can capture this variability from space to within 1ppm. We also found that models can differ by more than 1ppm. This implies that the satellite measurements could be useful in evaluating models and their prior estimates of carbon dioxide sources and sinks.
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