Polar cap flow channel events: spontaneous and driven responses

• Main Authors: Sandholt, P. E., Andalsvik, Y., Farrugia, Charlie J.
• Format: Text
• Language: unknown
• Published: University of New Hampshire Scholars' Repository 2010
• Subjects: Svalbard; Birkeland
• Online Access: https://scholars.unh.edu/cmerg/189; https://scholars.unh.edu/cgi/viewcontent.cgi?article=1188&context=cmerg

We present two case studies of specific flow channel events appearing at the dusk and/or dawn polar cap boundary during passage at Earth of interplanetary (IP) coronal mass ejections (ICMEs) on 10 January and 25 July 2004. The channels of enhanced (>1 km/s) antisunward convection are documented b...