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Towards understanding the electrodynamics of the 3-dimensional high-latitude ionosphere: present and future
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
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2008 (English)In: Annales Geophysicae, ISSN 0992-7689, E-ISSN 1432-0576, Vol. 26, no 12, 3913-3932 p.Article, review/survey (Refereed) Published
Abstract [en]

Traditionally, due to observational constraints, ionospheric modelling and data analysis techniques have been devised either in one dimension (e. g. along a single radar beam), or in two dimensions (e. g. over a network of magnetometers). With new upcoming missions like the Swarm ionospheric multi-satellite project, or the EISCAT 3-D project, the time has come to take into account variations in all three dimensions simultaneously, as they occur in the real ionosphere. The link between ionospheric electrodynamics and the neutral atmosphere circulation which has gained increasing interest in the recent years also intrinsically requires a truly 3-dimensional (3-D) description. In this paper, we identify five major science questions that need to be addressed by 3-D ionospheric modelling and data analysis. We briefly review what proceedings in the young field of 3-D ionospheric electrodynamics have been made in the past to address these selected question, and we outline how these issues can be addressed in the future with additional observations and/or improved data analysis and simulation techniques. Throughout the paper, we limit the discussion to high-latitude and mesoscale ionospheric electrodynamics, and to directly data-driven (not statistical) data analysis.

Place, publisher, year, edition, pages
2008. Vol. 26, no 12, 3913-3932 p.
Keyword [en]
Ionosphere, Electric fields and currents, Ionosphere-atmosphere interactions, Ionosphere-magnetosphere interactions
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-150074DOI: 10.5194/angeo-26-3913-2008ISI: 000262412500022OAI: oai:DiVA.org:uu-150074DiVA: diva2:406411
Available from: 2011-03-25 Created: 2011-03-25 Last updated: 2011-03-25Bibliographically approved

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