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(Issue April 1 & 15, 2009)

Continuous observations from solar and heliospheric missions have been advancing our knowledge of the physical and dynamical properties of the Sun and the solar wind. These observations, along with theory and models, continue to advance and pose challenges on our understanding of the responsible physical processes. This session invites contributions covering new results from observations from space and ground-based observatories, theory and modeling of different aspects of the Sun and the heliosphere, including its interior, extended atmospheres and the solar wind. This session is aimed at stimulating exchange and promoting discussion on the recent developments derived from observations and latest research in the field.

Abstract submission deadline: April 30, 2009 (online)
Meeting website: http://www.iaga2009sopron.hu

Session IV.01 will be held two full days on Aug.24-25.

Confirmed invited speakers:
1) Solar interiors:
Laurent Gizon (Max Planck Institute)
Matthias Rempel (High Altitude Observatory)
2) Solar atmospheres and physical processes:
Shinsuke Imada (National Astronomical Observatory of Japan)
Clare Parnell (U of St. Andrews)
Spiros Patsourakos (Naval Research Laboratory)
Bojan Vrsnak (Hvar Observatory)
3) Solar wind and heliosphere:
Toni Galvin (U of New Hampshire)
Emilia Kilpua (U of Helsinki)
David McComas and the IBEX Team (Southwest Research Institute)

Conveners:
Yuan-Kuen Ko (Naval Research Laboratory, USA, yko@ssd5.nrl.navy.mil)
Michael L. Kaiser (NASA Goddard Space Flight Center, USA, Michael.Kaiser@nasa.gov)
Takashi Sekii (National Astronomical Observatory of Japan, Japan, sekii@solar.mtk.nao.ac.jp)
Robert F. Wimmer-Schweingruber (University of Kiel, Germany, wimmer@physik.uni-kiel.de)

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Session II.02: “Solar and Lower Atmospheric Forcing of the Middle Atmosphere-Ionosphere System”
(Issue March 15, 2009)

CALL FOR ABSTRACTS TO “Solar and Lower Atmospheric Forcing of the Middle Atmosphere-Ionosphere System”, IAGA II.02 Symposium, August 23-30 2009, Sopron, Hungary

The Earth’s atmosphere as a whole (including the ionosphere embedded in the thermosphere) is a coupled system influenced by the solar and magnetosphere processes from above and upward propagating disturbances from below. The coupling processes are crucial to our understanding of climate change drivers and space weather events.

The Symposium invites observational and modeling studies that address the dynamics of the middle and upper atmosphere with emphasis on chemistry and transport, heat sources and sinks, solar and lower atmospheric forcing and the associated feedback on dynamics. Contributions are sought that focus on atmospheric waves (acoustic-gravity, planetary, tides), wave-wave and wave-mean flow interactions, atmospheric electricity and electrodynamical coupling processes. New results on the mesosphere-lower thermosphere wave seeding (wave penetration and secondary wave generation) of ionospheric disturbances and the solar influence on the vertical propagation condition of the waves in the middle atmosphere are particularly welcome.

The Symposium will provide the opportunity to review the current progress in this field and suggest future direction of research.

Invited speakers:
1. Dave Fritts – Gravity wave vertical coupling and the solar cycle effect on it
2. Ruth Lieberman – Nonmigrating diurnal tides in the thermosphere
3. Jonathan Makela – Influences on the development of equatorial ionospheric irregularities
4. Art Richmond – External influence on the electrodynamic coupling of the atmosphere-ionosphere system
5. Anne Smith – Response of mesospheric atomic oxygen to dynamical perturbation on diurnal to interannual time scales.
6. Vytenis Vasyliunas – Internal and external influences on the magnetosphere-ionosphere coupling
7. Robert Vincent – Solar modulation of dynamical processes in the middle atmosphere and lower thermosphere
8. William Ward – CAWSES tidal campaigns and comparison with modeling results

Convener: Dora Pancheva (Geophysical Institute, BAS, Sofia, Bulgaria; e-mail: dpancheva@geophys.bas.bg)
Co-convener: Edward Kazimirovsky (Institute of Solar-Terrestrial Physics, RAS, Russia)

Important deadlines:
Abstract submission: April 15, 2009 (online) or March 31, 2009 (post)
Grant application: March 31, 2009

For abstract submission, registration, and more information, please, see the meeting website:
http://www.iaga2009sopron.hu

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Session IV.01: “New Solar and Interplanetary Results”
(Issue February 1, 2009)

Continuous observations from solar and heliospheric missions have been advancing our knowledge of the physical and dynamical properties of the Sun and the solar wind. These observations, along with theory and models, continue to advance and pose challenges on our understanding of the responsible physical processes. This session invites contributions covering new results from observations from space and ground-based observatories, theory and modeling of different aspects of the Sun and the heliosphere, including its interior, extended atmospheres and the solar wind. This session is aimed at stimulating exchange and promoting discussion on the recent developments derived from observations and latest research in the field.

Abstract submission deadline: April 15, 2009 (online) or March 31, 2009 (post)
Deadline for application for grant: March 31, 2009
Meeting website: http://www.iaga2009sopron.hu

Convener: Yuan-Kuen Ko
Naval Research laboratory
Code 7674, 4555 Overlook Ave., SW, Washington DC, 20375, USA
tel: +1 202 767-6199, fax: +1 202 404-7997,
yko@ssd5.nrl.navy.mil

Co-convener: Michael L. Kaiser
NASA Goddard Space Flight Center,
Code 674, Greenbelt, MD 20771, USA
Michael.Kaiser@nasa.gov

Co-convener: Takashi Sekii
National Astronomical Observatory of Japan,
Mitaka, Tokyo 181-8588, Japan
sekii@solar.mtk.nao.ac.jp

Co-convener: Robert F. Wimmer-Schweingruber
Institut fuer Experimentelle und Angewandte Physik
University of Kiel, Leibnizstrasse