Abstract
A satellite borne FTIR called IMG(Interferometric Monitor for Greenhouse Gases) was developed by JAROS (Japan Resources Observation System Organization) deputed by MITI (Ministry of International Trade and Industry). It was installed on ADEOS (Advanced Earth Observing Satellite) which was launched on Aug. 1966 by NASDA (National Space Development Agency of Japan). IMG is a very high spectral resolution (0.1cm −1) spectrometer that covers a wide range of infrared spectrum (3.3 – 15 μm). With these features, IMG could detect and monitor spatial and vertical distribution of greenhouse effect gases such as CO 2, CH 4, O 3, etc. over the entire Earth. Unfortunately, ADEOS stopped its operation on 30, June 1997, but about 8 months of data have been collected. IMG sensor characteristics and some of the initial scientific results are described.
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