Observations of Mesospheric and Lower Thermospheric waves at Resolute Bay

Details Observations of Mesospheric and Lower Thermospheric waves at Resolute Bay Observations of Mesospheric and Lower Thermospheric waves at Resolute Bay

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agusm.a51a..13b&link_type=abstract

American Geophysical Union, Spring Meeting 2004, abstract #A51A-13

Other

0310 Airglow And Aurora, 0342 Middle Atmosphere: Energy Deposition, 0358 Thermosphere: Energy Deposition

Scientific paper

ERWIN - an E-region wind interferometer is a ground based field-widened Michelson Interferometer (Gault et. al. 1996) stationed since 1993 at the Early Polar Cap Observatory (EPCO) at Resolute Bay in the Canadian Arctic (74.9o N, 94.9o W). Erwin measures wind speeds in the upper mesosphere and lower thermosphere region (about 80 - 100 km altitude) using airglow emissions from three wavelengths, OI(557.7 nm), OH (6,2)P1(3) (843.0 nm) and O2(0,1)(866.0 nm). Observations show prominent semi-diurnal and diurnal tidal and other planetary wave signatures, with some variability through the Arctic winter season. Spectral features of the observed wave activity will be presented. Correlation between stratospheric assimilated temperatures and atmospheric wave activity is also investigated.

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