| NAM SungHyun,PARK Young-Gyu. 2013. Simulation of wind-induced near-inertial oscillations in a mixed layer near the east coast of Korea in the East/Japan Sea. Acta Oceanologica Sinica, 32(9):11－20 |
| Simulation of wind-induced near-inertial oscillations in a mixed layer near the east coast of Korea in the East/Japan Sea |
| Simulation of wind-induced near-inertial oscillations in a mixed layer near the east coast of Korea in the East/Japan Sea |
| Received:March 02, 2012 Revised:March 11, 2013 |
| DOI：10.1007/s13131-013-0347-8 |
| Key words:near-inertial oscillations near-inertial waves slabmodel high-frequency wind forcing east coast of Korea |
| 中文关键词: near-inertial oscillations near-inertial waves slabmodel high-frequency wind forcing east coast of Korea |
| 基金项目:The Agency for Defense Development under contract Nos 609-83-01532, UD000008BD and UD970022AD;Korea Institute of Science and Technology Evaluation and Planning under contract No. 2000-N-NL-01-C-012;the Korean Ministry of Environments under contract No. 121-041-033;Korean Ministry of Education under the BK21 Program;Korea Research Foundation under the Free-doctoral scholars program;Korean Ministry of Oceans and Fisheries under the projects “Development of Korea Operational Oceanographic System(KOOS)” and “Development of Technology for CO2 Marine Geological Storage”. |
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| Abstract: |
| Using a simple damped slab model, it was possible to show that a local wind induced 88% (15 of 17) of the near-inertial oscillations (NIO) observed in the mixed layer near the east coast of Korea from 1999 to 2004. The model, however, over estimated the energy level in about two-thirds of the simulated cases, because the slab model was forced with winds whose characteristic period was shorter than the damping time scale of the model at 1.5 d. At the observation site, due to typhoons and orographic effects, high-frequency wind forcing is quite common, as is the overestimation of the energy level in the slab model results. In short, a simple slab model with a damping time-scale of about 1.5 d would be enough to show that the local wind was the main energy source of the near-inertial energy in this area, but the model could not be used to accurately estimate the amount of the work done by the wind to the mixed layer. |
| 中文摘要: |
| Using a simple damped slab model, it was possible to show that a local wind induced 88% (15 of 17) of the near-inertial oscillations (NIO) observed in the mixed layer near the east coast of Korea from 1999 to 2004. The model, however, over estimated the energy level in about two-thirds of the simulated cases, because the slab model was forced with winds whose characteristic period was shorter than the damping time scale of the model at 1.5 d. At the observation site, due to typhoons and orographic effects, high-frequency wind forcing is quite common, as is the overestimation of the energy level in the slab model results. In short, a simple slab model with a damping time-scale of about 1.5 d would be enough to show that the local wind was the main energy source of the near-inertial energy in this area, but the model could not be used to accurately estimate the amount of the work done by the wind to the mixed layer. |
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