Element abundance variations in the Sun and heliosphere : proceedings of the E2.1 Meeting of COSPAR Scientific Commission E which was held during the Thirtieth COSPAR Scientific Assembly, Hamburg, Germany, 11-21 July 1994
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Bibliographic Information
Element abundance variations in the Sun and heliosphere : proceedings of the E2.1 Meeting of COSPAR Scientific Commission E which was held during the Thirtieth COSPAR Scientific Assembly, Hamburg, Germany, 11-21 July 1994
（Advances in space research, v. 15,
published for the Committee on Space Research, Pergamon, 1995
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Description and Table of Contents
Description
It has long been recognised that element abundance ratios vary between the solar wind and the photosphere. There have also been intense discussions in the past regarding the possibility of significant variations between the corona and photosphere. During recent years there has been a notable improvement in both the measurement accuracy and in the atomic theory, leading to the conclusions that many subtle variations in element abundances do indeed exist between a wide range of solar features, even possibly as a function of time within a single feature under study. Such variations present a major challenge for theorists to model the underlying phenomena. In addition once these phenomena are understood the abundances measurements themselves will provide a new insight into the physical processes in the regions observed. The fourteen papers published in this volume present an up-to-date picture of current understanding of the subject.
Table of Contents
- Abundance variations in the solar wind, R. von Steiger et al
- spectroscopic measurements of element abundances in the solar corona - variations FIP theme, J.L.R. Saba
- models for explaining the observed spatial variation of element abundances - a review, J.C. Henoux
- evidence for the equality of the solar photospheric and coronal abundance of iron, K.J.H. Phillips et al
- variations in iron and calcium abundances during solar flares, E. Antonucci and R. Martin
- coronal abundances determined from energetic particles, D.V. Reames
- the application of atomic physics to the study of solar abundances and their variations, H.E. Mason
- spacelab 2 measurement of the solar coronal helium abundance, A.H. Gabriel et al
- is the problem of solar iron abundance solved?, R.I. Kostik and N.G. Shchukina
- solar energetic particle abundance measurement by ERNE on board SOHO, M. Lumme et al
- abundances from SMM spectroscopic observations for non-flaring coronal plasma, J.T. Schmelz
- on the minimum fluxes of low-energy ions (0.5 MeV/NUC - 8 MeV/NUC at high heliospheric latitudes, J.B. Blake et al
- the role of abundances in the solar interior models, S. Turck-Chieze
- helioseismic measurement of element abundances in the solar interior, A.G. Kosovichev.
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