Infrared Atmospheric Scanning Interferometer

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A sophisticated instrument carried by the MetOp polar-orbiting satellites, able to provide vertical profiles of atmospheric temperature and humidity of unprecedented accuracy. Temperature is measured to an accuracy of 1 K and humidity to within 10 per cent, both with a vertical resolution of 1 km. It also monitors various atmospheric components, such as carbon monoxide (CO), ozone (O3), methane (CH4), and bromine oxide.

Subjects: Meteorology and Climatology.

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