Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Simen Å. Ellingsen"'
Autor:
Luc Lenain, Benjamin K. Smeltzer, Nick Pizzo, Mara Freilich, Luke Colosi, Simen Å. Ellingsen, Laurent Grare, Hugo Peyriere, Nick Statom
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 8, Pp n/a-n/a (2023)
Abstract In this work we present a unique set of coincident and collocated high‐resolution observations of surface currents and directional properties of surface waves collected from an airborne instrument, the Modular Aerial Sensing System, collec
Externí odkaz:
https://doaj.org/article/6f735b4ef3b6469d93d2f6900537e868
Publikováno v:
Physical Review Fluids
We investigate how the presence of a vertically sheared current affects wave statistics, including the probability of rogue waves, and apply it to a real-world case using measured spectral and shear current data from the mouth of the Columbia River.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb659015dc1854e25fa5cb2dd4277883
https://hdl.handle.net/11250/3054324
https://hdl.handle.net/11250/3054324
Publikováno v:
Journal of Fluid Mechanics
When surface waves interact with ambient turbulence, the two affect each other mutually. Turbulent eddies get redirected, intensified and periodically stretched and compressed, while the waves suffer directional scattering. We study these mutual inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ba0b9ce0c0275ac9933e725e9ea2853
https://hdl.handle.net/11250/3065221
https://hdl.handle.net/11250/3065221
Publikováno v:
Journal of Fluid Mechanics
R4
R4
The role of the Lagrangian mean flow, or drift, in modulating the geometry, kinematics and dynamics of rotational and irrotational deep-water surface gravity waves is examined. A general theory for permanent progressive waves on an arbitrary vertical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41e91e85d616929b6400aa46e5279112
https://hdl.handle.net/11250/3042161
https://hdl.handle.net/11250/3042161
Detailed knowledge of the subsurface current in the ocean environment allows for more accurate modelling of, e.g., exchange of mass and heat with the atmosphere. Measuring the vertical profile of the current in situ poses a range of costs and difficu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f629dd54d60cf61846e415305611fcf
https://doi.org/10.5194/egusphere-egu22-8498
https://doi.org/10.5194/egusphere-egu22-8498
Turbulence is ubiquitous in the uppermost layer of the ocean, where it interacts with surface waves. Theoretical, numerical, and experimental works (e.g. [1,2,3] respectively) predict that motion of non-breaking waves will increase turbulent energy,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa6ffe36ca0de15a04cdb76731f6436b
https://doi.org/10.5194/egusphere-egu22-11376
https://doi.org/10.5194/egusphere-egu22-11376
Turbulence close beneath a free surface leaves recognisable imprints on the surface itself. The ability to identify and quantify long-lived coherent turbulent features from their surface manifestations only could open up possibilities for remote sens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::935dec259611338e51a32164b41aac1a
https://doi.org/10.5194/egusphere-egu22-9776
https://doi.org/10.5194/egusphere-egu22-9776
Autor:
Peter Maxwell, Simen Å. Ellingsen
Publikováno v:
Water Waves
The path-following scheme in Loisel and Maxwell (SIAM J Matrix Anal Appl 39(4):1726–1749, 2018) is adapted to efficiently calculate the dispersion relation curve for linear surface waves on an arbitrary vertical shear current. This is equivalent to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::333c0809571e779191262110d940498d
https://doi.org/10.1007/s42286-020-00030-0
https://doi.org/10.1007/s42286-020-00030-0
Autor:
Simen Å. Ellingsen
Publikováno v:
Journal of Fluid Mechanics. 932
Vessels – in the widest sense – travelling on a water surface continuously do work the water surrounding it, causing energy to be radiated in the form of surface waves. The concomitant resistance force, the wave resistance, can account for as muc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe7b8a91a2b8a6b7978954713e824d2d
https://doi.org/10.1017/jfm.2021.1020
https://doi.org/10.1017/jfm.2021.1020
Publikováno v:
Water Waves. 2:79-112
The effect of a depth-dependent shear current U(z) on surface wave dispersion is conventionally calculated by assuming U(z) to be an exactly known function, from which the resulting phase velocity c(k) is determined. This, however, is not the situati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c846b5d17b5ea060bf509a2d3fb06b3c
https://doi.org/10.1007/s42286-019-00012-x
https://doi.org/10.1007/s42286-019-00012-x