An approach for retrieval of atmospheric trace gases CO2, CH4 and CO from the future Canadian micro earth observation satellite (MEOS)

Alexander P. Trishchenko; Konstantin V. Khlopenkov; Shusen Wang; Yi Luo; Roman V. Kruzelecky; Wes Jamroz; Guennadi Kroupnik

doi:10.1117/12.737658

17 October 2007 An approach for retrieval of atmospheric trace gases CO₂, CH₄ and CO from the future Canadian micro earth observation satellite (MEOS)

Alexander P. Trishchenko, Konstantin V. Khlopenkov, Shusen Wang, Yi Luo, Roman V. Kruzelecky, Wes Jamroz, Guennadi Kroupnik

Author Affiliations +

Proceedings Volume 6744, Sensors, Systems, and Next-Generation Satellites XI; 674420 (2007) https://doi.org/10.1117/12.737658
Event: SPIE Remote Sensing, 2007, Florence, Italy

Abstract

Among all trace gases, the carbon dioxide and methane provide the largest contribution to the climate radiative forcing and together with carbon monoxide also to the global atmospheric carbon budget. New Micro Earth Observation Satellite (MEOS) mission is proposed to obtain information about these gases along with some other mission's objectives related to studying cloud and aerosol interactions. The miniature suit of instruments is proposed to make measurements with reduced spectral resolution (1.2nm) over wide NIR range 0.9μm to 2.45μm and with high spectral resolution (0.03nm) for three selected regions: oxygen A-band, 1.5μm-1.7μm band and 2.2μm-2.4μm band. It is also planned to supplement the spectrometer measurements with high spatial resolution imager for detailed characterization of cloud and surface albedo distribution within spectrometer field of view. The approaches for cloud/clear-sky identification and column retrievals of above trace gases are based on differential absorption technique and employ the combination of coarse and high-resolution spectral data. The combination of high and coarse resolution spectral data is beneficial for better characterization of surface spectral albedo and aerosol effects. An additional capability for retrieval of the vertical distribution amounts is obtained from the combination of nadir and limb measurements. Oxygen A-band path length will be used for normalization of trace gas retrievals.

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Alexander P. Trishchenko, Konstantin V. Khlopenkov, Shusen Wang, Yi Luo, Roman V. Kruzelecky, Wes Jamroz, and Guennadi Kroupnik "An approach for retrieval of atmospheric trace gases CO₂, CH₄ and CO from the future Canadian micro earth observation satellite (MEOS)", Proc. SPIE 6744, Sensors, Systems, and Next-Generation Satellites XI, 674420 (17 October 2007); https://doi.org/10.1117/12.737658

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