Master Thesis Online
Multivariate detection and propagation speed of planetary Rossby waves from satellite observations of the equatorial Pacific Ocean
Schmidt, Vincent 
Promotor(s) :
Alvera Azcarate, Aida
;
Barth, Alexander
Date of defense : 7-Sep-2023/8-Sep-2023 • Permalink : http://hdl.handle.net/2268.2/18684
Master_thesis_2023_VSchmidt.pdfDetails
| Title : | Multivariate detection and propagation speed of planetary Rossby waves from satellite observations of the equatorial Pacific Ocean |
| Translated title : | [fr] Détection multivariée et vitesse de propagation des ondes planétaires de Rossby à partir d'observations satellites dans l'océan pacifique équatorial |
| Author : | Schmidt, Vincent
|
| Date of defense : | 7-Sep-2023/8-Sep-2023 |
| Advisor(s) : | Alvera Azcarate, Aida
Barth, Alexander
|
| Committee's member(s) : | Beckers, Jean-Marie
François, Louis
Munhoven, Guy
|
| Language : | English |
| Number of pages : | 81 |
| Keywords : | [en] Satellites [en] Waves [en] Speed |
| Discipline(s) : | Physical, chemical, mathematical & earth Sciences > Space science, astronomy & astrophysics |
| Target public : | Researchers Student |
| Institution(s) : | Université de Liège, Liège, Belgique |
| Degree: | Master en sciences spatiales, à finalité approfondie |
| Faculty: | Master thesis of the Faculté des Sciences |
Abstract
[en] After introducing the planetary waves, I recall theoretical concepts useful to their study. Then, I detail a reduced gravity model with 2 active layers. Next I present several data sets from satellites in remote sensing obtained during the last 30 years to detect the presence of planetary Rossby waves in the equatorial Pacific Ocean. So the propagation speed is determined by using Hovmöller diagrams and the technique of the Radon transform. Possible changes in the propagation speed on a decadal scale are suggested, and the influence of climatic events like El Niño or La Niña is also presented.
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