Middle atmosphere tides |
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| Affiliation: | 1. Pwani University, School of Pure and Applied Sciences, Department of Mathematics and Physics, P.O. Box 195-80108, Kilifi, Kenya;2. Department of Physics, Lancaster University, Lancaster, UK;3. South African National Space Agency, Space Science Directorate, P.O. Box 32, Hermanus, South Africa;4. Kenya Technical University, School of Pure and Applied Sciences, Department of Physics, P.O. Box 52428-00200, City Square, Nairobi, Kenya;5. Department of Physics, Catholic University of America, Washington, DC 20064, USA;6. NASA Goddard Space Flight Center, Greenbelt, MD 20770, USA;7. Department of Physics University of Nairobi, P.O. Box 30197, GPO, Nairobi, Kenya;1. Space Research Institute, Russian Academy of Sciences, Profsoyuznaya st., 84/32, Moscow 117997 Russia;2. Moscow State University, Sternberg Astronomical Institute, Universitetsky pr., 13, Moscow 119234 Russia;1. Space Research Institute, Russian Academy of Sciences, Profsouyznaya st., 84/32, Moscow, 117997, Russia;2. Polar Geophysical Institute, Akademgorodok str., 26a, Apatity, 184209, Russia;1. Department of Physics & Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UK;2. Atmospheric, Oceanic & Planetary Physics, Department of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK;3. Department of Astronomy, University of Maryland, College Park, MD 20742, USA;4. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA;5. NASA/Goddard Space Flight Center, Greenbelt, MD 20771, USA;1. National Institute of Geophysics, Geodesy and Geography (NIGGG), BAS, Sofia, Bulgaria;2. Space Science Division, Naval Research Laboratory, Washington, DC, USA |
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| Abstract: | Recent progress in the study of middle atmosphere tides is reviewed. Specific areas where recent progress has occurred include: development of more realistic thermal excitation and numerical simulation models; the role of tides in accelerating and heating the mean flow at the base of the thermosphere; observational efforts which delineate average seasonal, latitudinal and vertical structures of tides, and shorterterm variations of tides about these values; theoretical and observational studies concerning the importance of non-migrating tidal components; the effects of tides on minor constituent concentrations in the upper mesosphere and lower thermosphere. The review concludes with a summary of key problems to be addressed in the future. |
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