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| Content Provider | Springer Nature Link |
|---|---|
| Author | Cheng, Ming Hung Hsu, John R. C. Chen, Chen Yuan Chen, Cheng Wu |
| Copyright Year | 2008 |
| Abstract | Evolution of the internal solitary waves (ISWs) in the northern South China Sea (SCS) has recently attracted the attention of many oceanographers in Taiwan and the United States. These ISWs are believed to have been induced by a branch of the Kuroshio current over Luzon Strait, which propagates westward over two ridges in the Luzon Strait between Taiwan and the Philippines, and further onto the continental margin with a shelf-slope in the SCS. This paper presents some preliminary results for the evolution of a depression ISW across two triangular obstacles using numerical modelling and laboratory experiments. The experimental results confirm that the intervals and relative height between the two obstacles are important factors in the interaction of an ISW with the obstacles. However, in the case of the movement of an ISW of depression-type across the Luzon Strait, the effect of the two ridges on the characteristics of the ISW might be less significant than that from the shelf-slope, due to the variations in relative water depth. Results from numerical experiments also show that the amplitude of an ISW can be augmented once the wave commences its contact with a shelf-slope, where an internal hydraulic jump and wave breaking with vortex motion are evident in the laboratory experiments. Eventually, an ISW of depression-type could become an elevation-type at the edge of the continental shelf landwards beyond the turning point, where the upper layer is larger than the bottom layer in a stratified water column. |
| Starting Page | 321 |
| Ending Page | 340 |
| Page Count | 20 |
| File Format | |
| ISSN | 15677419 |
| Journal | Environmental Fluid Mechanics |
| Volume Number | 9 |
| Issue Number | 3 |
| e-ISSN | 15731510 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2008-10-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Internal solitary wave South China Sea Double obstacles Laboratory experiments Numerical model Turning point Internal hydraulic jump Wave breaking Oceanography Meteorology/Climatology Hydrogeology Mechanics Environmental Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Water Science and Technology |
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