Horizontal and vertical structure of the major sporadic sodium layer events observed during ALOHA‐90

作者: Timothy J. Kane , Chris A. Hostetler , Chester S. Gardner

DOI: 10.1029/91GL01154

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摘要: Sporadic Na (Nas) layers have been observed frequently at low- and high-altitude sites primarily in the Northern Hemisphere. Nas are very dense thin (∼1 km FWHM) can form over periods ranging from a few minutes to several hours. Radar lidar observations by our group Arecibo shown conclusively that linked formation of sporadic E (Es) layers. Large events were on flights during ALOHA-90 extend horizontal distances approximately 1800 km. Atmospheric tides gravity waves an effect vertical motion these We describe 22 March event which was Maui (21°N) near equator (5°N) 27 (156°W) almost International Date Line (∼172°W).

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