Physics
Scientific paper
Apr 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012jastp..78...31p&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 78, p. 31-36.
Physics
Scientific paper
Using data from a meteor radar at Cachoeira Paulista (22.7°S; 45.0°W), the atmospheric lunar semidiurnal tide in the mesosphere and lower thermosphere was studied from January 2000 to October 2008. Monthly tidal amplitudes and phases were estimated using hourly mean winds in seven layers of 4 km thickness each. Several amplitude and phase profiles of the lunar semidiurnal tide over Cachoeira Paulista showed characteristics of vertically propagating waves. The mean amplitudes over all heights were greater in the northward wind in January, February, May, June, July, August, November and December, but taken into account the error bars this behavior can be different in certain months. The mean phases presented characteristics appropriate to the Southern Hemisphere throughout the year, except in July. In some aspects, the results presented similarities with the Vial and Forbes (1994) atmospheric lunar semidiurnal tidal model.
Batista Pedro
Clemesha R.
Paulino A. R.
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