Other
Scientific paper
Jan 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..219..123t&link_type=abstract
Stars as suns : activity, evolution and planets, Proceedings of the 219th symposium of the International Astronomical Union held
Other
Scientific paper
We investigate the role of chromospheric fine structures e.g. mottles (spicules) and dark grains in the mass balance and heating of the solar atmosphere by studying two-dimensional high-resolution Ha observations. The temporal and spatial variations of the line-of-sight velocity obtained with an inversion technique based on a cloud model provide strong indications that the mechanism responsible for the driving of the observed flows is magnetic reconnection. Apart from the line-of-sight velocity application of the cloud model enables the derivation of several other physical parameters like pressure temperature density etc. The temporal evolution of these parameters permits the estimation of the role of these structures in the mass balance of the solar atmosphere. Furthermore the energy balance between the released magnetic energy during reconnection and the associated kinetic and thermal energy provides a reasonable estimate of the energy available for the heating of the solar atmosphere.
Tsiropoula Georgia
Tziotziou Kostas
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