Surname: Knipp First Name: Delores Status= other Institution: US Air Force Academy E-mail: delores.knipp@usafa.af.mil ---------------------------------------- Title: A Statistical Survey of the Effects of Solar Wind Structures on the Ionosphere and Magnetosphere ---------------------------------------- Authors: Delores J. Knipp Linda H. Krause ---------------------------------------- Abstract: Three types of solar wind structures are widely recognized: Ejecta, high speed solar wind, and slow solar wind flow. Richardson et al (JGR, submitted, 2000) have classified the solar wind observations for the interval 1972-1986 and compared them to the AA index. We use their classification scheme to estimate the influence these structures have on the ionosphere and magnetosphere by analyzing the Polar Cap Index, Auroral Electrojet and Dst response to these structures. We attempt to determine in some types of flows are more effective in energizing the ionosphere versus the magnetosphere. ----------------------------------------