A Summary of the NATO ASI on Polar Cap Boundary Phenomena
Lockwood, M., Fuselier, S., Walker, A. D. M. and Søraas, F. (1998) A Summary of the NATO ASI on Polar Cap Boundary Phenomena. In: Proceedings of the NATO Advanced Study Institute on Polar Cap Boundary Phenomena, 4-13 June 1997, Longyearbyen, Svalbard, Norway, pp. 415-432. (in "Polar Cap Boundary Phenomena ", ed. J. Moen, A. Egeland and M. Lockwood, NATO ASI Series C, Vol. 509, pp 415-432, Kluwer, Dordrecht,)
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To link to this article DOI: 10.1007/978-94-011-5214-3_32
The polar cap boundary is a subject of central importance to current magnetosphere-ionosphere research and its applications in “space weather” activities. The problems are that it has a number of definitions, and that the most physically meaningful definition (namely the open-closed field line boundary) is very difficult to identify in observations. New understanding of the importance of the structure and dynamics of the boundary region made the time right for a meeting reviewing our knowledge in this area. The Advanced Study Institute (ASI) on Svalbard in June 1997 discussed the boundary on both the dayside and the nightside, mapping magnetically to the dayside magnetopause and to tail plasma sheet/lobe interface, respectively. We held a “brainstorming” session, in which different ideas which arose from the presented papers were discussed and developed, and a summary session, in which session convenors gave a personal view of progress that has been made and problems which still need solving. Both were designed as ways of promoting further discussion. This paper attempts to distil some of the themes that emerged from these discussions.