Surname: Ruohoniemi First Name: Michael Status= other Institution: JHU/APL E-mail: mike_ruohoniemi@jhuapl.edu ---------------------------------------- Title: Auroral Arc Referenced Convection Patterns from SuperDARN ---------------------------------------- Authors: J. M. Ruohoniemi, R. A. Greenwald, S. G. Shepherd, and K. Liou ---------------------------------------- Abstract: A significant improvement has been made to the standard APL technique of fitting ionospheric convection velocity data to produce maps of the plasma convection in the high-latitude. Velocity data are mapped into new coordinates referenced to auroral arc boundaries determined from UVI data on the POLAR spacecraft. The new patterns produced with this technique preserve smaller-scale features that are otherwise obscured. ---------------------------------------- Discipline Category: Analysis Techniques Discipline Category: Aurora Discipline Category: Ionosphere