Potential of Occultation Atmospheric Sounding Using an Extended Radiation Source

O. V. Shtyrkov

A possibility is considered of measuring the ozone in the upper atmosphere of the Earth using solar occultation sounding without mechanical scanning of the solar disk. The estimates are given of the error and vertical resolution of atmospheric transmission function profile retrieved from the solar radiation measurements carried out by the instrument with the field of view of more than 0.5. These algorithm elements are computed using the Backus–Gilbert method. It is shown that using the measurements in UV spectrum region carried out in this way, it is possible to retrieve transmission functions with the vertical resolution of 3–4 km and error of not more than 0.003.

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