The Venus ionosphere in the northern polar region

Wood, A.G. ORCID: 0000-0002-7527-4757, Grande, M., Pryse, S.E., Whittaker, I.C., Coates, A.J. and Shane, N., 2009. The Venus ionosphere in the northern polar region. Geophysical Research Abstracts, 11, p. 6004. ISSN 1607-7962

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PLASLIFE is a computer simulation which assists in the interpretation of high latitude ionospheric observations and, in this study, is applied to the polar regions of Venus. The Venus Express spacecraft samples the high latitude ionosphere in the northern hemisphere of the planet. On 4 August 2008 it was inserted into a new orbit with pericentre located below 200 km close to 86° N. The ASPERA-4 instrument on the spacecraft records the first extended in situ data set of the plasma environment in this sector. The observed ionospheric ion and electron populations exhibit significant variation between orbits and, by compensating for the effects of solar zenith angle and altitude, the relative contributions of photoionisation and plasma transport can be investigated. These variations are discussed with respect to parameters including local time and solar flux. Comparisons are drawn with the terrestrial ionosphere.

Item Type: Journal article
Description: European Geosciences Union General Assembly 2009, Vienna, Austria, 19-24 April 2009
Publication Title: Geophysical Research Abstracts
Creators: Wood, A.G., Grande, M., Pryse, S.E., Whittaker, I.C., Coates, A.J. and Shane, N.
Corporate Creators: ASPERA team
Publisher: Copernicus
Date: 2009
Volume: 11
ISSN: 1607-7962
Divisions: Schools > School of Science and Technology
Record created by: EPrints Services
Date Added: 09 Oct 2015 10:26
Last Modified: 09 Jun 2017 13:30

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