%0 Journal Article
%4 sid.inpe.br/iris@1905/2005/07.29.03.00.53
%2 sid.inpe.br/iris@1905/2005/07.29.03.01
%@issn 0378-4371
%F 7273
%T Solar cycle dependence of thermospheric neutral winds at Arecibo, Puerto Rico
%D 1995
%A Kane, Rajaram Purushottam,
%B Physica A: Statistical Mechanics and its Applications
%V 24
%N 4
%P 199-204
%K GEOFISICA ESPACIAL.
%X The 12-month running averages of the meridional wind velocities obtained at Arecibo Observatory, Puerto Rico, using a Fabry-Perot interferometer, showed transitions during the night which were of different natures during sunspot cycle maximum and minimum. The meridional component at 18-21 AST (Atlantic Standard Time) shifted form large southward at sunspot maximum to small northward at sunspot minimum. The meridional and zonal components at other local times showed small variations. The F-layer height obtained from incoherent scatter radar measurements decreased from about 400 km to about 300 km from sunspot maximum to sunspot minimum in a manner compatible with the variations of neutral wind.
%3 5911.pdf