Cluster / Ground-Based Correlative Observations in the Polar Cusp and the Nightside Magnetotail-Auroral Regions

Details Cluster / Ground-Based Correlative Observations in the Polar Cusp and the Nightside Magnetotail-Auroral Regions Cluster / Ground-Based Correlative Observations in the Polar Cusp and the Nightside Magnetotail-Auroral Regions

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm71b..08e&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SM71B-08

Physics

2407 Auroral Ionosphere (2704), 2724 Magnetopause, Cusp, And Boundary Layers, 2744 Magnetotail, 2788 Storms And Substorms

Scientific paper

ESA's multisatellite mission Cluster is now in its second operational year and has visited some of the key regions of the magnetosphere with different inter-spacecraft separations. This mission concept allowed detailed studies of different scale sizes in the microphysical plasma-processes which occur at the various boundaries in space (both on the day side magnetopause and Cusp, and in the nightside tail). Most of the effective plasma processes in these magnetospheric regions have consequences for the magnetospheric and ionospheric plasma populations, convection flows and three-dimensional current systems on meso- and global scales, which cannot directly be monitored by the Cluster multi-spacecraft mission. In order to understand the causal relationships between microphysical processes and the meso-scale and global planetary reactions, combined observations from spacecraft and distributed ground-based networks are absolutely essential. We will present the recent progress which has been made using such combined observation techniques. We intend to concentrate on a few key regions where such coordinated observations are most effective. These are the dayside interior and exterior Cusp, the nightside tail from the Cluster location at 19 Re and inwards, and the interior auroral field lines on the dawn, dusk and nightside portion of the auroral oval.

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