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Structure of the chromosphere-corona transition region

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Abstract

The structure and energy balance of the chromosphere-corona transition region is investigated by means of a static, planar model which is compared with the results of XUV-resonance-line observations. In this model, the transition region is heated by thermal conduction from the corona and cooled by radiative losses. Comparison of the model with observational results implies that this is the dominant process in the energy balance of the transition region, and that the base of the transition region is inherently non-static and/or non-planar. The model explains the observational finding of Noyes et al. (1970) that the number density and the downward heat flux both increase by the same factor from quiet regions to active regions. The implications of these results are discussed with regard to spicules.

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Authors and Affiliations

  1. Institute for Plasma Research, Stanford University, Stanford, Calif., U.S.A.

    R. L. Moore & P. C. W. Fung

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  1. R. L. Moore
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  2. P. C. W. Fung
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Moore, R.L., Fung, P.C.W. Structure of the chromosphere-corona transition region. Sol Phys 23, 78–102 (1972). https://doi.org/10.1007/BF00153893

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  • DOI: https://doi.org/10.1007/BF00153893

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