Planetary waves observed by TIMED/SABER in coupling the stratosphere-mesosphere-lower thermosphere during the winter of 2003/2004: Part 2—Altitude and latitude planetary wave structure

Details Planetary waves observed by TIMED/SABER in coupling the stratosphere-mesosphere-lower thermosphere during the winter of 2003/2004: Part 2—Altitude and latitude planetary wave structure Planetary waves observed by TIMED/SABER in coupling the stratosphere-mesosphere-lower thermosphere during the winter of 2003/2004: Part 2—Altitude and latitude planetary wave structure

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jastp..71...75p&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 71, Issue 1, p. 75-87.

Physics

11

Sudden Stratospheric Warming, Stationary, Zonally Symmetric And Travelling Planetary Waves, Standing Waves, Filtered Gravity Waves

Scientific paper

Part 2 of the present paper is focused on the planetary wave coupling from the stratosphere to the lower thermosphere (30-120 km) during the Arctic winter of 2003/2004. The planetary waves seen in the TIMED/SABER temperature data in the latitudinal range 50°N-50°S are studied in detail. The altitude and latitude structures of the planetary wave (stationary and travelling) clearly indicate that the stratosphere and mesosphere (30-90 km) are coupled by direct vertical propagation of the planetary waves, while the lower thermosphere (above 90-95 km altitude) is only partly connected with the lower levels probably indirectly through in-situ generation of disturbances by the dissipation and breaking of gravity waves filtered by lower atmospheric planetary waves. A peculiar feature of the thermal regime in the lower thermosphere is that it is dominated by zonally symmetric planetary waves.

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