Physics
Scientific paper
Feb 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30d..20f&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 4, pp. 20-1, CiteID 1171, DOI 10.1029/2002GL016278
Physics
13
Meteorology And Atmospheric Dynamics: Middle Atmosphere Dynamics (0341, 0342), Meteorology And Atmospheric Dynamics: Stratosphere/Troposphere Interactions, Meteorology And Atmospheric Dynamics: Turbulence, Meteorology And Atmospheric Dynamics: Waves And Tides, Radio Science: Radar Atmospheric Physics
Scientific paper
The Equatorial Atmosphere Radar (EAR) installed in Sumatra Island, Indonesia, observed significant enhancement of turbulence in the tropopause region, 15-17 km, intermittently for ~5 days in November 2001. The turbulence intensity was estimated with the spectral width of the radar echo power spectrum, and the turbulence during the period was a factor of up to ~5 larger in kinetic energy than that in other periods. Further analyses confirm that the enhanced turbulence was convectively generated in the breaking phase of an equatorial Kelvin wave. Between July and December 2001, we observed at least three more prominent cases of the turbulence generation by breaking Kelvin waves in the tropopause region.
Fujiwara Masatomo
Fukao Shoichiro
Hashiguchi Hiroyuki
Horinouchi Takeshi
Yamamoto Masayuki K.
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