Ionospheric Signature of Flux Transfer Event

Details Ionospheric Signature of Flux Transfer Event Ionospheric Signature of Flux Transfer Event

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsm41b0809b&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SM41B-0809

Physics

2447 Modeling And Forecasting, 2463 Plasma Convection, 2467 Plasma Temperature And Density, 2475 Polar Cap Ionosphere

Scientific paper

We present an attempt to model and understand the transient nature of the ionosphere within the cusp region. We have performed a simulation of Flux Transfer Event (FTE) by including the Southwood model of FTE in the TRANSCAR model of ionosphere. These simulations have been performed so that they are comparable to EISCAT Svalbard Radar (ESR) observations. We first discuss the pros and the cons of the Southwood model of FTE then we discuss the simulated and observed ionosphere subject to series of FTEs or pulsed reconnection. We shall obviously focus on the signature the core of the FTE where magnetosheath plasma precipitates but also on the two areas of return flow on both sides of the FTE footprint. Those return flow regions may actually be responsible of some of the structures observed by the ESR.

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