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The International Commission on the Middle Atmosphere (ICMA) is one of the 10 Commissions making up the International Association of Meteorology and Atmospheric Science (IAMAS), which in turn is one of the 8 Associations constituting the International Union of Geodesy and Geophysics (IUGG). The IUGG meets in a worldwide Assembly every four years (...1991, 1995, 1999, 2003...). The individual IUGG associations also meet every four years (...1993, 1997, 2001..). ICMA has generally met alternately with the Scientific Assemblies of IAMAS and the International Association of Aeronomy and Geomagnetism (IAGA). The next meeting of ICMA will be held as part of the IUGG General Assembly in Perugia in 2007. ICMA exists to foster international cooperation in research into the science of the middle atmosphere, defined loosely as stretching from the tropopause into the lower thermosphere. In addition to holding its biennial meetings in conjunction with IUGG, IAMAS or IAGA, ICMA sponsors or cosponsors other meetings and workshops. ICMA also has a number of working groups to facilitate cooperation in particular areas.
ICMA was the lead sponsor of Symposia 8 and 9 at the IAMAS Assembly held July 10-18, 2001, in Innsbruck, Austria.
ICMA sponsored symposia at the IUGG General Assembly in Sapporo, Japan, June 30-July 11, 2003.
ICMA sponsored symposia at the IAGA Scientific Assembly held in Toulouse, France, July 18-29, 2005.
ICMA sponsored symposia at the 24th IUGG general Assembly held in Perugia, Italy, July 2-13, 2007.
President: Kevin Hamilton (International Pacific Research Center and Department of Meteorology, University of Hawaii)
Secretary: Albert Hertzog (Laboratoire de Meteorologie Dynamique, Ecole Polytechnique)
Members elected 1999:
Members elected 2003:
Layered Phenomena in the Mesopause Region
Chair: Gary Thomas
Chair: Lon Hood
Chair: Kevin Hamilton
Long Term Trends in the Mesosphere, Thermosphere and Ionosphere (Joint with IAGA and SCOSTEP)
Chair: Jan Lastovica
This workshop resulted in a special section with 22 papers in the Journal of Geophysical Research volume 108, issue A8 (April 17, 2003)
"Modeling Atmospheric Tides" Honolulu, 3-7 March 2003 For a report on the meeting
"2nd IAGA/ICMA Workshop on Vertical Coupling in the Atmosphere-Ionosphere System" Bath, UK, July 12-15. 2004
This workshop resulted in a special section in the Journal of Atmospheric and Solar-Terrestrial Physics, volume 68, Issues 3-5, Pages 245-598 (February 2006)
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