Analysis of gravity waves during the POLINAT experiment and some consequences for stratosphere-troposphere exchange

Mohamed Moustaoui, H. Teitelbaum, P. F J Van Velthoven, H. Kelder

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Measurements of horizontal wind speed and direction obtained during the Pollution from Aircraft Emissions in the North Atlantic Flight Corridor experiment are used to identify some waves propagating near the tropopause level. The variation observed simultaneously in the ozone and water vapor distribution allows the signature and different characteristics of the waves to be identified. With the help of the analysis of European Centre for Medium-Range Weather Forecasts the conditions for generation of different kinds of waves are reviewed. It is shown that some of the characteristics of the observed waves are a consequence of nonlinear wave-wave interaction. The irregularity of the tropopause height in the region suggests that the propagating waves can be a mechanism for cross-tropopause mixing.

Original languageEnglish (US)
Pages (from-to)1019-1030
Number of pages12
JournalJournal of the Atmospheric Sciences
Volume56
Issue number8
StatePublished - Apr 15 1999
Externally publishedYes

Fingerprint

gravity wave
stratosphere
troposphere
tropopause
experiment
aircraft emission
wave-wave interaction
nonlinear wave
wind direction
water vapor
wind velocity
flight
ozone
analysis
weather
pollution

ASJC Scopus subject areas

  • Atmospheric Science

Cite this

Analysis of gravity waves during the POLINAT experiment and some consequences for stratosphere-troposphere exchange. / Moustaoui, Mohamed; Teitelbaum, H.; Van Velthoven, P. F J; Kelder, H.

In: Journal of the Atmospheric Sciences, Vol. 56, No. 8, 15.04.1999, p. 1019-1030.

Research output: Contribution to journalArticle

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