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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 19, issue 8
Ann. Geophys., 19, 1001-1005, 2001
https://doi.org/10.5194/angeo-19-1001-2001
© Author(s) 2001. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: MST

Ann. Geophys., 19, 1001-1005, 2001
https://doi.org/10.5194/angeo-19-1001-2001
© Author(s) 2001. This work is distributed under
the Creative Commons Attribution 3.0 License.

  31 Aug 2001

31 Aug 2001

Diurnal variation of tropospheric temperature at a tropical station

K. Revathy1, S. R. Prabhakaran Nayar2, and B. V. Krishna Murthy2 K. Revathy et al.
  • 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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