| Wang Jia,Moto Ikeda. 1997. A three-dimensional ocean general circulation model for mesoscale eddies——Ⅱ Diagnostic analysis. Acta Oceanologica Sinica, (1):29－43 |
| A three-dimensional ocean general circulation model for mesoscale eddies——Ⅱ Diagnostic analysis |
| A three-dimensional ocean general circulation model for mesoscale eddies——Ⅱ Diagnostic analysis |
| Received:March 15, 1996 Revised:July 28, 1996 |
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| Abstract: |
| A three-dimensional density field associated with mesoscaie unstable waves generated by the 3-D,primitive-equation model (Wang and Ikeda,1996) is provided to the quasi-geostrophic pressure tendency and ω-equations,and to the (ageostrophic) Q-vector equation.Diagnostic analyses,analogous to the approaches in meteorology:ω-equation and Q-vector method,are for the first time developed to examine the mesoscaie dynamical processes and mechanisms of the unstable waves propagating in the mid-latitude ocean.The weaknesses and strengths of these two diagnostic approaches are evaluated and compared to the model results.The Q-vector method is then recommended to diagnose the vertical motion associated with the mesoscaie dynamics from a hydrographic CTD (conductivity-temperature-depth) array,while the quasi-geostrophic equations produce some small-scale features (errors) in the diagnosed fields. |
| 中文摘要: |
| A three-dimensional density field associated with mesoscaie unstable waves generated by the 3-D,primitive-equation model (Wang and Ikeda,1996) is provided to the quasi-geostrophic pressure tendency and ω-equations,and to the (ageostrophic) Q-vector equation.Diagnostic analyses,analogous to the approaches in meteorology:ω-equation and Q-vector method,are for the first time developed to examine the mesoscaie dynamical processes and mechanisms of the unstable waves propagating in the mid-latitude ocean.The weaknesses and strengths of these two diagnostic approaches are evaluated and compared to the model results.The Q-vector method is then recommended to diagnose the vertical motion associated with the mesoscaie dynamics from a hydrographic CTD (conductivity-temperature-depth) array,while the quasi-geostrophic equations produce some small-scale features (errors) in the diagnosed fields. |
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