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Upstream Structures and Their Effects on the MagnetosphereKinetic processes within the Earth's foreshock generate a profusion of plasma and magnetic field structures with sizes and durations ranging from the microscale (e.g. SLAMs, solitons, and density holes) to the mesoscale (e.g. foreshock cavities or boundaries, hot flow anomalies, and bubbles). Swept into the bow shock by the solar wind flow, the perturbations associated with these features batter the magnetosphere, driving a wide variety of magnetospheric effects, including large amplitude magnetopause motion, bursty reconnection and the generation of flux transfer events, enhanced pulsation activity within the magnetosphere, diffusion and energization of radiation belt particles, enhanced particle precipitation resulting in dayside aurora and riometer absorption, and the generation of field-aligned currents and magnetic impulse events in high-latitude ground magnetometers. This talk reviews the ever growing menagery of structures observed upstream from the bow shock, examines their possible interrelationships, and considers their magnetospheric consequences.
Document ID
20120009719
Acquisition Source
Goddard Space Flight Center
Document Type
Presentation
Authors
Sibeck, D. G. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 25, 2013
Publication Date
December 5, 2011
Subject Category
Solar Physics
Report/Patent Number
GSFC.ABS.00402.2012
Meeting Information
Meeting: 2011 Fall American Geophysical Union (AGU) Conference
Location: San Francisco, CA
Country: United States
Start Date: December 5, 2011
End Date: December 9, 2011
Sponsors: American Geophysical Union
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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