CO2Image: the design of an imaging spectrometer for CO2 point source quantification

David Krutz; Ingo Walter; Ilse Sebastian; Carsten Paproth; Thomas Peschel; Christoph Damm; Stefan Risse; Henrik von Lukowicz; Anke Roiger; Andre Butz; Claas Köhler

doi:10.1117/12.2635250

30 September 2022 CO2Image: the design of an imaging spectrometer for CO2 point source quantification

David Krutz, Ingo Walter, Ilse Sebastian, Carsten Paproth, Thomas Peschel, Christoph Damm, Stefan Risse, Henrik von Lukowicz, Anke Roiger, Andre Butz, Claas Köhler

Author Affiliations +

Proceedings Volume 12233, Infrared Remote Sensing and Instrumentation XXX; 1223306 (2022) https://doi.org/10.1117/12.2635250
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

CO2Image is a satellite demonstration mission, now in Phase B, to be launched in 2026 by the German Aerospace Center (DLR). The satellite will carry a next generation imaging spectrometer for measuring atmospheric column concentrations of Carbon Dioxide (CO2). The instrument concept reconciles compact design with fine ground resolution (50-100 m) with decent spectral resolution (1.0-1.3 nm) in the shortwave infrared spectral range (2000 nm). Thus, CO2Image will enable quantification of point source CO2 emission rates of less than 1 MtCO2/a. This will complement global monitoring missions such as CO2M, which are less sensitive to point sources due to their coarser ground resolution and hyperspectral imagers, which suffer from spectroscopic interference errors that limit the quantification.

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David Krutz, Ingo Walter, Ilse Sebastian, Carsten Paproth, Thomas Peschel, Christoph Damm, Stefan Risse, Henrik von Lukowicz, Anke Roiger, Andre Butz, and Claas Köhler "CO2Image: the design of an imaging spectrometer for CO2 point source quantification", Proc. SPIE 12233, Infrared Remote Sensing and Instrumentation XXX, 1223306 (30 September 2022); https://doi.org/10.1117/12.2635250

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