Abstract
This review surveys the observations of the ionospheric magnetic fields of Venus as observed on the Pioneer Venus Orbiter and the models that have been developed to describe them over the last decade. The models for the ‘large-scale’ ionospheric field have developed to the advanced stage of one-dimensional, self-consistent, multi-fluid MHD models which provide a detailed picture of the field in the subsolar region for specific upper boundary conditions. In contrast, the models for the small-scale fields and the nightside fields have only reached a rudimentary stage. Much challenging work remains to be done on the origin of the ionospheric flux ropes and nightside ionospheric ‘hole’ fields. On the whole, the subject of the ionospheric fields would greatly benefit from 3-dimensional global MHD models with self-consistent treatments of the ionosphere.
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Luhmann, J.G., Cravens, T.E. Magnetic fields in the ionosphere of Venus. Space Sci Rev 55, 201–274 (1991). https://doi.org/10.1007/BF00177138
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DOI: https://doi.org/10.1007/BF00177138