Quasi-3-day Kelvin wave and the OI(5577 Å), OH(6,2) Meinel, and O2(0,1) emissions

Details Quasi-3-day Kelvin wave and the OI(5577 Å), OH(6,2) Meinel, and O2(0,1) emissions Quasi-3-day Kelvin wave and the OI(5577 Å), OH(6,2) Meinel, and O2(0,1) emissions

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29d...2l&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 4, pp. 2-1, CiteID 1043, DOI 10.1029/2001GL013824

Physics

Atmospheric Composition And Structure: Middle Atmosphere-Constituent Transport And Chemistry (3334), Atmospheric Composition And Structure: Airglow And Aurora, Atmospheric Composition And Structure, Atmospheric Composition And Structure: Thermosphere-Composition And Chemistry

Scientific paper

Ground-based zenith photometric observations at São João do Cariri (7°S, 37°W), Brazil, reveal the existence of ~25-40% quasi-3-day oscillations in OI(5577Å), O2(0,1), and OH (6,2) emissions and upper mesospheric temperatures (~6K) during June and July, 1998. A previous numerical model study [Forbes, 2000] has reported on the global characteristics of a 3-day Kelvin wave with zonal wavenumber s = 1, and consistency with satellite and radar observations. Herein we present the results of a one-dimensional dynamical-chemical simulation that demonstrates that the photometric observations are consistent with a Kelvin wave interpretation. Thus, a connection is made for the first time between convective processes in the tropical troposphere, and upper atmospheric airglow emissions.

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