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The Western Pacific Geophysics Meeting (WPGM), Beijing : Chine (2006)

Cold Dense Plasma Sheet Formation: A Multi-Spacecraft View Point

M. G. Taylor 1, B. Lavraud 2, M.W. Dunlop 3, 4, J. A. Davies 3, S. Milan 5, M. F. Thomsen 2, P. Escoubet 1, H. Laakso 1, Arnaud Masson 1, H. Opgenoorth 1, C. Vallat 1, R. H. Friedel 2, A. N. Fazakerley 6, H. Frey 7, Y. Bogdanova 6, C. Carr 4, H. Khan 6, E. A. Lucek 4, K. Nykyri 4, C. J. Owen 6, Frederic Pitout 8, Z. Pu 9, H. Reme 10, C. Shen 11, T. Zhang 12, Q. Zong 13, J. D. Scudder 5

(0000)

During conditions of northward interplanetary magnetic field (IMF), the near tail plasma sheet is known to become denser and cooler. The mechanisms, and their efficiency, which allow for the formation of this cold dense plasma sheet (CDPS) are of great interest, in particular whether plasma is transferred to the magnetosphere via poleward-of-cusp, lobe reconnection or via mechanisms at the flank magnetopause. This work builds on a recent case study by the authors, in which data from a wide variety of spacecraft observations, including Double Star (TC-1 and TC-2), Polar, LANL GEO and IMAGE, showed evidence of lobe reconnection in both hemispheres along with large-scale flank boundary waves. In this current study, we will present observations from the recent tail and dayside seasons of the Cluster and Double star missions, whose separation in local time presents some excellent opportunities to examine the favoured transport mechanisms for CDPS formation.

1 :	ESA European Space Agency, ESTEC
	ESA ESTEC
2 :	Space Science and Applications
	Los Alamos National Laboratory
3 :	Space Science and Technology Department (Ral Space)
	STFC Rutherford Appleton Laboratory
4 :	The Blackett Laboratory
	Imperial College London
5 :	Department of Physics and Astronomy [Leicester]
	University of Leicester
6 :	Mullard Space science laboratory
	University College of London (UCL)
7 :	Space Sciences Laboratory (SSL)
	Space Sciences Laboratory (SSL)
8 :	Max-Planck-Institut für Extraterrestrische Physik (MPE)
	Max-Planck-Institut für extraterrestrische Physik
9 :	School of Earth and Space Sciences
	Peking University / Beijing
10 :	Centre d'étude spatiale des rayonnements (CESR)
	CNRS : UMR5187 – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III
11 :	Centre for Space Science and Applied Research
	Chinese Academy of Sciences
12 :	Institut fur Weltraumforschung (IWF) (IWF)
	Austrian Academy of Sciences
13 :	Center for Space Physics
	Boston University

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Contributeur : Béatrice Pibaret-Bourdon <>

Soumis le : Jeudi 12 Mars 2009, 18:22:22

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