Altitude-time development of sprites

Details Altitude-time development of sprites Altitude-time development of sprites

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jgra..107.1364m&link_type=abstract

Journal of Geophysical Research (Space Physics), Volume 107, Issue A11, pp. SIA 9-1, CiteID 1364, DOI 10.1029/2001JA000283

Physics

Space Physics

19

Atmospheric Composition And Structure: Middle Atmosphere-Energy Deposition, Meteorology And Atmospheric Dynamics: Lightning, Meteorology And Atmospheric Dynamics: Radiative Processes, Meteorology And Atmospheric Dynamics: Remote Sensing, Meteorology And Atmospheric Dynamics: Instruments And Techniques

Scientific paper

Data from sprites using a 16-channel, multi-anode photometer (MAP) have been recorded at 0.1 ms resolution. The majority of the sprites have onsets at an altitude of 70-75 km and subsequently propagate both upward and downward from this initial altitude. The statistical lifetime of the emissions measured by the blue-sensitive MAP is approximately 1.3 ms. The velocities of propagation are between 107 and 108m s-1, with larger velocities being measured at higher altitudes. The larger propagation velocities of the upward and downward sprite luminosity channels are consistent with the characteristics of highly over-voltage streamers in the mesosphere.

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