Signatures of dayside solar wind/magnetosphere/ionosphere coupling as revealed by the PACE HF radars and associated experiments

The nature of the coupling between the solar wind and magnetosphere on the dayside of the Earth, and the response of the ionosphere to this coupling are currently topics of considerable interest and debate. This paper summarizes recent studies of some ionospheric signatures of such coupling processes for a range of spatial and temporal scales, utilizing the unique combination of the two PACE (Polar Anglo-American Conjugate Experiment) HF (High Frequency) radars (at conjugate locations in the Arctic and Antarctic), the IMP-8 (Interplanetary Monitoring Platform-8) and DMSP-F9 (Defense Meteorological Satellite Program-F9) spacecraft, and ground-based experiments at South Pole.

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