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Ann. Geophys., 19, 1001-1005, 2001
www.ann-geophys.net/19/1001/2001/
© European Geosciences Union 2001
Diurnal variation of tropospheric temperature at a tropical station
K. Revathy1, S. R. Prabhakaran Nayar2, and B. V. Krishna Murthy2
1Department of Computer Science, University of Kerala, Kariavattom, Trivandrum 695581, India
2Department of Physics, University of Kerala, Kariavattom, Trivandrum 695581, India
Abstract. The vertical velocity in
the troposphere-lower stratosphere region measured using MST radar has been
utilized to evaluate the temperature profile in the region. The diurnal
variation of the tropospheric temperature on one day in August 1998 at the
tropical station Gadanki (13.5° N, 79.2° E) has been studied using the MST
radar technique. The diurnal variation of the temperature revealed a prominent
diurnal variation with the peak in the afternoon hours increasingly delayed in
altitude. The tropopause temperature and altitude exhibited a clear diurnal
cycle.
Key words. Atmospheric composition
and structure (pressure, density and temperature; troposphere - composition and
chemistry; instruments and technique)
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