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| ASTR0208-2

 | Physics of the earth's atmosphere and environment

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| Duration : | 30h Th, 30h Pr | |
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| Credits/ECTS : |
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| Holder(s) : | Jean‑Claude Gérard | |
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| Course contents :
| The course is divided into seven chapters:
- introduction : hydrostatic equilibrium, thermal structure, interplanetary space. - Sun-atmosphere interactions: solar radiation, variability, radiative transfer, climate and pleoclimate - Tropospheric chemistry: basic concepts of photochemistry, ozone, HOx, NOx, ClOx, catalytic cycles, tropospheric chemistry - Transport: general equations, diffusion, circulation, thermal escape - The ionosphere: formation and composition - Description and origin of the geomagnetic field, charged particles motion in the geomagnetic field, magnetosphere, polar aurora, radiation belts - biogeochemical cycles, application to the carbon global cycle, CO2 levels and climatic changes
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| Course objective :
| Introduction to general concepts of external geophysics: knowledge of basic atmospheric physics and applications to environmental problems. Introduction to the description of the Earth's magnetic environment and to the concept of biogeochemical cycle modelling. | |
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| Prerequisites :
| Classic notions in general physics, atomic and molecular physics and classical mechanics | |
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| Workshops :
| - Guided applications: solution of problems
- Videos on selected topics | |
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| Organization :
| Theoretical course: 15 ex-cathedra lectures (2 hours each). Practical training and exercises: - sets of lecture illustrations (video cassettes commented to the students). - sets of exercise and problem solving illustrating the main concepts. | |
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| Written notes :
| A 165 page textbook References : - G. Kockarts : aéronomie, coll. Bibliothèque des universités - J. Chamberlain and D. Hunten, Theory of Planetary atmospheres, international geophysics series, academic press - G.P. Brasseur, J.J. Orlando and G.S.Tyndall, atmospheric chemistry and global change, Oxford university press, and review papers circulated among students | |
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| Assessment :
| - oral examination
- written examination: resolution of problems | |
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| Contacts :
| J.C. Gérard and the instructor in charge of exercises Laboratoire de Physique Atmosphérique et Planétaire - Institut d'Astrophysique et de Géophysique - Bât. B5C 17, allée du 6 Août - 4000 Liège (Sart Tilman) - Phone : 04/366.97.75 / E-mail : JC.Gerard@ulg.ac.be | |
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