Download or read book Auroral Boundary Index from 1983 to 1990 written by D. Madden and published by . This book was released on 1990 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since all plots of boundaries that made their way to the public before 1988 used the 'orginal' criteria, both 'original' and 'modified' criteria will be explained auroral oval, central plasma sheet, electron precipitation boundaries, Defense Meteorological Satellite Program--Abstract/Keywords.