Impact of the tropopause on upward propagation of mountain waves

Details Impact of the tropopause on upward propagation of mountain waves Impact of the tropopause on upward propagation of mountain waves

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997georl..24.1071w&link_type=abstract

Geophysical Research Letters, Volume 24, Issue 9, p. 1071-1074

Physics

4

Meteorology And Atmospheric Dynamics: Middle Atmosphere Dynamics, Meteorology And Atmospheric Dynamics: Stratosphere/Troposphere Interactions, Meteorology And Atmospheric Dynamics: Waves And Tides

Scientific paper

The vertical propagation of mountain waves into the stratosphere is investigated, with reference to the Scorer parameter profile in the troposphere, and the change in Brunt-Väisälä frequency at the tropopause. VHF radar provides data on the vertical and horizontal wind velocities, and echo power, while radiosondes supply temperature profiles. In studies of four large-amplitude mountain-wave events, where the wave phase remains nearly constant throughout the troposphere, partial reflection at a sharp tropopause offers a better explanation than wave trapping below a minimum in the Scorer parameter.

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