Deduction of vertical thermal structure of a planetary atmosphere from a satellite |
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| Affiliation: | 1. Université de Poitiers, CNRS, ISAE-ENSMA, Institut Pprime, F-86962 Futuroscope Chasseneuil, France;2. Department of Aeronautics, Imperial College London, London SW7 2AZ, United Kingdom;1. Exercise Physiology Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Universidade Federal de Minas Gerais, Belo Horizonte, (MG), Brazil;2. Psychology Program, Belo Horizonte, (MG), Brazil;3. Department of Physical Education, Universidade Federal da Bahia, Salvador, (BA), Brazil;4. Department of Human Movement Sciences, Universidade Do Estado de Minas Gerais, Ibirité, (MG), Brazil;1. Institute of Archaeology, University College London, 31-34 Gordon Square, WC1H 0PY London, United Kingdom;2. Centre d''Estudis del Patrimoni Arqueologic de la Prehistoria, Facultat de Lletres, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain;1. Institute of Microelectronics, Tsinghua University, Beijing, 100084, PR China;2. Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China |
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| Abstract: | An inversion technique is developed for deducing the temperature stratification of a planetary atmosphere from the variation of the emission spectrum with air mass. This is a planetary application of the well-known solar limb-darkening effect. Mathematically, the emergent intensity is an integral transform of the Planckian temperature taken as a function of optical depth. The solution therefore consists in devising a scheme for inverting the transform.Pending satellite observations, the following approach is used for the verification of the theory. Ground observations of the emission of the 9·6 μ ozone band as a function of air mass thickness have been taken. These radiative data provide information on ozone “at a distance”, in a manner similar to the remote satellite viewing from above. Four sets of ozone emission data have been analysed and the vertical thermal structure of the ozonosphere deduced therefrom. A critique of the method together with future research directions is given. |
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