Methane Retrieval from Hyperspectral Infrared Atmospheric Sounder on FY3D
Xinxin Zhang,
Ying Zhang,
Fan Meng
et al.
Abstract:This study utilized an infrared spotlight Hyperspectral infrared Atmospheric Sounder (HIRAS) and the Medium Resolution Spectral Imager (MERSI) mounted on FY3D cloud products from the National Satellite Meteorological Center of China to obtain methane profile information. Methane inversion channels near 7.7 μm were selected based on the different distribution of methane weighting functions across different seasons and latitudes, and the selected retrieval channels had a great sensitivity to methane but not to o… Show more
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