AAS 200th meeting, Albuquerque, NM, June 2002
Session 88. Atmospheric Heating and Dynamics II
Oral, Thursday, June 6, 2002, 2:00-3:30pm, San Miguel

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[88.03] Torsional Tube Waves in the Solar Atmosphere

M. Noble, Z.E. Musielak (Uni. Texas at Arlington)

Recent results presented by Ulmschneider et al. (2001) imply that the energy carried by acoustic waves and magnetic (longitudinal and transverse) tube waves from the solar convection zone to the solar atmosphere is insufficient to heat the uppermost chromospheric layers, the transition region and corona. Since torsional tube waves are not included in their study, we have developed a theory of generation of these waves in the solar convection zone and use it to compute the resulting wave energy spectra and fluxes. We show the dependence of these spectra and fluxes on the strength of the magnetic field and various models of the solar convection zone, and discuss the role played by torsional tube waves in the heating of different layers of the solar atmosphere.

This work is supported by NSF under grant ATM-0087184, NATO under grant CRG-910058 and The Alexander von Humboldt Foundation.

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Bulletin of the American Astronomical Society, 34
© 2002. The American Astronomical Soceity.