Articles | Volume 14, issue 2
https://doi.org/10.5194/amt-14-1167-2021
https://doi.org/10.5194/amt-14-1167-2021
Research article
 | 
15 Feb 2021
Research article |  | 15 Feb 2021

Anthropogenic CO2 monitoring satellite mission: the need for multi-angle polarimetric observations

Stephanie P. Rusli, Otto Hasekamp, Joost aan de Brugh, Guangliang Fu, Yasjka Meijer, and Jochen Landgraf

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Cited articles

Aben, I., Hasekamp, O., and Hartmann, W.: Uncertainties in the space-based measurements of CO2 columns due to scattering in the Earth's atmosphere, J. Quant. Spectrosc. Radiat. Transfer, 104, 450–459, https://doi.org/10.1016/j.jqsrt.2006.09.013, 2007. a
Basilio, R. R., Bennett, M. W., Eldering, A., Lawson, P. R., and Rosenberg, R. A.: Orbiting Carbon Observatory-3 (OCO-3), remote sensing from the International Space Station (ISS), in: Sensors, Systems, and Next-Generation Satellites XXIII, edited by Neeck, S. P., Martimort, P., and Kimura, T., Int. Soc. Opt. Phot. (SPIE), Strasbourg, France, 42–55, 2019. a
Bucholtz, A.: Rayleigh-Scattering calculations for the terrestrial atmosphere, Appl. Opt., 35, 2765–2773, 1995. a
Butz, A., Hasekamp, O. P., Frankenberg, C., and Aben, I.: Retrievals of atmospheric CO2 from simulated space-borne measurements of backscattered near-infrared sunlight: accounting for aerosol effects, Appl. Opt., 48, 3322, https://doi.org/10.1364/AO.48.003322, 2009. a, b, c, d, e, f, g, h
Butz, A., Hasekamp, O. P., Frankenberg, C., Vidot, J., and Aben, I.: CH4 retrievals from space-based solar backscatter measurements: Performance evaluation against simulated aerosol and cirrus loaded scenes, J. Geophys. Res., 115, D24 302, https://doi.org/10.1029/2010JD014514, 2010. a, b
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This study investigates the added value of multi-angle polarimeter (MAP) measurements for XCO2 retrievals, particularly in the context of the Copernicus Anthropogenic Carbon Dioxide Monitoring (CO2M) mission. In this paper, we derive the required MAP instrument specification, and we demonstrate that MAP observations significantly improve the retrieval performance and are needed to meet the XCO2 precision and accuracy requirements of the CO2M mission.