Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...267..825w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 267, April 15, 1983, p. 825-836.
Astronomy and Astrophysics
Astrophysics
44
Extreme Ultraviolet Radiation, Solar Atmosphere, Solar Spectra, Solar Temperature, Spicules, Atmospheric Heating, Atmospheric Temperature, Chromosphere, Coronal Holes, H Alpha Line, Potential Energy, Scale Height, Solar Limb
Scientific paper
Although spicules hae been obseved for many years, very little is known about their role in the transport of mass and energy between the chromosphere and the higher layers of the atmospere. Athay and Holzer (1982) demonstrated that the rise and fall of spicular material can supply the thermal energy required for heating the upper chromosphere, transition, and possibly corona. The proposed mechanism depends upon assumptions about the fate of spicules after they disappear from view in the visual spectrum where observations are limited to spectral lines formed at chromospheric temperatures. The present investigation is concerned with an analysis of meaurements of the spatial and temporal variations of EUV emission near the solar limb. The obtained results place empirical constraints on the fate of spicules after they disappear from view in the visible spectrum and thereby place constraints on their role in the transport of mass and energy between the chromosphere and corona.
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