Combined incoherent scatter radar and Fabry-Perot interferometer measurements of frictional heating effects over Millstone Hill during March 7-10, 1989

Details Combined incoherent scatter radar and Fabry-Perot interferometer measurements of frictional heating effects over Millstone Hill during March 7-10, 1989 Combined incoherent scatter radar and Fabry-Perot interferometer measurements of frictional heating effects over Millstone Hill during March 7-10, 1989

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....96..289h&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Jan. 1, 1991, p. 289-296.

Statistics

Methodology

6

Fabry-Perot Interferometers, Incoherent Scatter Radar, Ionospheric Heating, Magnetic Storms, Oxygen Atoms, Earth Magnetosphere, Massachusetts, Velocity Distribution

Scientific paper

This paper introduces a methodology to calculate the effects of frictional heating associated with geomagnetic activity, using simultaneous incoherent scatter radar and Fabry-Perot interferometer measurements. Vector measurements of ion drift from radar backscatter and neutral wind from optical shifts in the atomic oxygen red line over Millstone Hill, Massachusetts (43 deg N) for the nights of March 7-10, 1989 are presented and are characterized by the magnetic storm activity which prevailed. These measurements are combined to calculate differences in the ion and neutral velocity fields which approach 350 m/s during the most geomagnetically active period that are monitored near 01 UT on March 9. This velocity difference results in a 110 K heating of the ion gas at that time.

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