Abstract
Simultaneous Chatanika incoherent scatter radar, auroral all‐sky camera, and photometric data are utilized to delineate the structure and dynamics of the auroral E layer for various types of disturbances. The vertical distribution of ionization (Ne(h) profiles) is presented and discussed for various disturbance phenomena, such as the great geomagnetic storm of August 2–9, 1972, intense auroral particle precipitation events (March 16, 1972, March 2, 1973), and auroral infrasonic wave disturbances, April 2, 1973. Ne(h) profiles for quiet conditions and for a slowly varying disturbance (the July 10, 1972, solar eclipse) are shown for comparison purposes.
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