Gravity Waves: Gravity Waves Excited by Jets and Fronts

R. Plougonven, F. Zhang

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Jets and fronts are known to be significant sources of gravity waves. This has been shown by numerous studies with real-data observations and/or numerical models. Case studies have highlighted the jet exit region as particularly favorable to low-frequency gravity waves. They have also identified wave ducting as a key maintenance mechanism for waves propagating over long distances near the ground. A number of observational studies also hypothesized that the primary mechanism for wave generation in the jet exit region is geostrophic adjustment, which has been recently generalized to the concept of spontaneous balance adjustment. However, the precise mechanisms responsible for the generation of these waves remain an active area of research. Further research remains necessary to draw a more complete picture of waves in the vicinity of jets and fronts, assessing the relevance of theoretical results on one hand, and the importance of other factors that contribute to the gravity waves, in particular moist processes and topography.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Atmospheric Sciences
Subtitle of host publicationSecond Edition
PublisherElsevier Inc.
Pages164-170
Number of pages7
ISBN (Electronic)9780123822260
ISBN (Print)9780123822253
DOIs
StatePublished - Jan 1 2015

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gravity waves
adjusting
wave generation
maintenance
topography
low frequencies

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Plougonven, R., & Zhang, F. (2015). Gravity Waves: Gravity Waves Excited by Jets and Fronts. In Encyclopedia of Atmospheric Sciences: Second Edition (pp. 164-170). Elsevier Inc.. https://doi.org/10.1016/B978-0-12-382225-3.00498-9
Plougonven, R. ; Zhang, F. / Gravity Waves : Gravity Waves Excited by Jets and Fronts. Encyclopedia of Atmospheric Sciences: Second Edition. Elsevier Inc., 2015. pp. 164-170
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Plougonven, R & Zhang, F 2015, Gravity Waves: Gravity Waves Excited by Jets and Fronts. in Encyclopedia of Atmospheric Sciences: Second Edition. Elsevier Inc., pp. 164-170. https://doi.org/10.1016/B978-0-12-382225-3.00498-9

Gravity Waves : Gravity Waves Excited by Jets and Fronts. / Plougonven, R.; Zhang, F.

Encyclopedia of Atmospheric Sciences: Second Edition. Elsevier Inc., 2015. p. 164-170.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Plougonven R, Zhang F. Gravity Waves: Gravity Waves Excited by Jets and Fronts. In Encyclopedia of Atmospheric Sciences: Second Edition. Elsevier Inc. 2015. p. 164-170 https://doi.org/10.1016/B978-0-12-382225-3.00498-9