Physics
Scientific paper
Mar 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999jastp..61..377s&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 61, Issue 5, p. 377-384.
Physics
6
Scientific paper
A method of computing the vertical flux of zonal momentum (associated with equatorial waves) from the zonal and vertical components of the winds measured by the Indian MST radar at Gadanki (13.5°N, 79.2°E) is presented. The application of the method to the radar data gives flux values of 16×10-3, 8.0×10-3 and 5.5×10-3 m2 s-2 for slow Kelvin (12-day period), fast Kelvin (5.33-day period) and Rossby-gravity (RG) (3.43-day period) waves, respectively, in the upper troposphere. These flux values compare quite well with the values 4×10-3 m2 s-2 and 1×10-3 m2 s-2 obtained from radiosonde zonal wind and temperature data by [Wallace and Kousky, 1968] for slow Kelvin and RG waves, respectively. An estimate of the error in the fluxes gives a value of ~ 1.2×10-3 m2 s-2.
Deepa V.
Krishna Murthy B. V.
Sasi M. N.
Vijayan Lakshmi
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