The Breaking and Scattering of the Internal Tide on a Continental Slope
| Type | : | ACL |
|---|---|---|
| Nature | : | Production scientifique |
| Au bénéfice du Laboratoire | : | Non |
| Statut de publication | : | Publié |
| Année de publication | : | 2011 |
| Auteurs (6) | : | KLYMAK Jody,m ALFORD Matthew,h PINKEL R LIEN R,c YANG Y TANG Ty |
| Revue scientifique | : | Journal of Physical Oceanography |
| Volume | : | 41 |
| Fascicule | : | 5 |
| Pages | : | 926-945 |
| DOI | : | 10.1175/2010JPO4500.1 |
| URL | : | - |
| Abstract | : | A strong internal tide is generated in the Luzon Strait that radiates westward to impact the continental shelf of the South China Sea. Mooring data in 1500-m depth on the continental slope show a fortnightly averaged incoming tidal flux of 12 kW m. and a mooring on a broad plateau on the slope finds a similar flux as an upper bound. Of this, 5.5 kW m(-1) is in the diurnal tide and 3.5 kW m(-1) is in the semidiumal tide, with the remainder in higher-frequency motions. Turbulence dissipation may be as high as 3 kW m(-1). Local generation is estimated from a linear model to he less than 1 kW m(-1). The continental slope is supercritical with respect to the diurnal tide. implying that there may he significant hack reflection into the basin. Comparing the low-mode energy of a horizontal standing wave at the mooring to Me energy flux indicates that perhaps one-third of the incoming diurnal tidal energy is reflected. Conversely, the slope is subcritical with respect to the semidiumal tide, and the observed reflection is very weak. A surprising observation is that, despite significant diurnal vertical-mode-2 incident energy flux. this energy did not reflect: most of the reflection was in mode 1. |
| Mots-clés | : | ENERGETICS; EVOLUTION; FLOW; HAWAIIAN RIDGE; KAENA RIDGE; MECHANISM; SOUTH CHINA SEA; TOPOGRAPHY; TURBULENCE; WAVES |
| Commentaire | : | Times Cited in Web of Science Core Collection: 113 |
| Tags | : | - |
| Fichier attaché | : | - |
| Citation | : |
Klymak JM, Alford MH, Pinkel R, Lien RC, Yang Y, Tang T (2011) The Breaking and Scattering of the Internal Tide on a Continental Slope. J Phys Oceanogr 41: 926-945 | doi: 10.1175/2010JPO4500.1
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