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Waves in geophysical fluids
Cursusdoel
- Is acquainted with contribution of small-scale eddies, waves and turbulence to mixing and transport and their implication for large-scale ocean dynamics.
- Has knowledge of stable, anisotropic geophysical equilibria (hydrostatic, cyclostrophic and geostrophic balances) and their characteristic frequencies.
- Recognizes internal gravity and inertial waves; their relation to Rossby, (equatorial) Kelvin and Poincaré waves, their complementarity to surfaces waves, and the prominent role played by geometry in their localization on attractors.
- Is familiar with internal waves in theory and nature; knows analytic and arithmetic methods to find exact free and forced wave solutions in 2D, approximations in 3D, and performs wave attractor experiments in stratified fluids.
- Is familiar with both traditional and non-traditional f- and beta-plane dynamics on an aquaplanet. Understands inertial oscillations versus equatorial trapping.
- Learns general concepts from partial differential equations, dynamical systems wave dynamics and data analysis.
Vakinhoudelijk
Here, an introduction to internal waves is given by looking at simple theory and laboratory experiments. Despite the theory being linear, the internal wave fields seem to be riddled by self-similar properties, a feature normally associated with nonlinear dynamics. Internal waves seem in general to be attracted to particular locations where they lead to mixing. Given stratification and basin shape, these wave attractors are highly predictable. Yet, their detection in real ocean basins still poses a challenge. Some field observations of internal waves will illustrate this.
Weighted grade must be 5.5 or higher, AND grade for (re)exam should be 4.5 or higher.
When weighted grade is between 4.0 and 5.5, OR higher than 5.5 but the exam grade is below 4.5, then a re-exam can be taken.
Werkvormen
Toelichting
Volgen college, inleveren opgaven, houden van presentatie, uitvoeren van laboratorium-experiment op NIOZ, tentamen, herkansingstentamen.
WerkcollegeToetsing
Eindresultaat
Verplicht | Weging 100% | ECTS 7,5
Hand-in 7 series of problems: 35% Oral presentation: 15% Joint report on experiments: 15% Write exam: 35%
Ingangseisen en voorkennis
Ingangseisen
Je moet een geldige toelatingsbeschikking hebben
Voorkennis
(Especially relevant for BA-students and students of other faculties): Ordinary and partial differential equations. Fluid mechanics.
Voertalen
- Engels
Cursusmomenten
Tentamens
Er is geen tentamenrooster beschikbaar voor deze cursus
Verplicht materiaal
Materiaal | Omschrijving |
---|---|
SOFTWARE | Mathematica, Matlab or Python |
Aanbevolen materiaal
Materiaal | Omschrijving |
---|---|
DICTAAT | Wave attractors (Maas) - can be downloaded |
DICTAAT | Internal waves (Gerkema en Zimmerman) - can be downloaded |
Coördinator
prof. dr. L.R.M. Maas | L.R.M.Maas@uu.nl |
Docenten
prof. dr. L.R.M. Maas | L.R.M.Maas@uu.nl |
Inschrijving
Inschrijving
Van maandag 30 oktober 2023 tot en met vrijdag 24 november 2023
Na-inschrijving
Van maandag 22 januari 2024 tot en met maandag 19 februari 2024
Inschrijving niet geopend
Permanente link naar de cursuspagina
Laat in de Cursus-Catalogus zien