Laboratory simulation of the influence of geothermal heating on the interior ocean
文献类型：期刊论文
| 作者 | Zhou, SQ ; Qu, L ; Zhao, XZ ; Wan, W |
| 刊名 | ACTA OCEANOLOGICA SINICA
 |
| 出版日期 | 2014 |
| 卷号 | 33期号:9页码:25-31 |
| 关键词 | geothermal heating oceanic circulation turbulent mixing temperature velocity |
| ISSN号 | 0253-505X |
| 通讯作者 | sqzhou@scsio.ac.cn |
| 中文摘要 | This study, using laboratory experiments and scaling analysis, evaluates the influence of geothermal heating on global oceanic circulation. Upon a well-developed large-scale convective flow, an additional heat flux perturbation delta F/F is employed. The increments of flow and thermal properties, including eddy diffusivity K-T, flow velocity V and bottom temperature T-b, are found to be independent of the applied heat flux F. Together with the scaling analysis of convective flow at different configurations, where the flow is thermally driven in the relatively low or extremely high turbulent thermal convections or the horizontal convection, the variances of flow properties, delta K-T/K-T KT and delta V/V, are found to be close to 0.5% and 0.75% at delta F/F=2%. This means that the small heat flux perturbation plays a negligible role in the global convective flow. However, delta T-b/Delta T is found to be 1.5% at delta F/F=2%, which would have a significant effect in the local region. The results might provide a clue to understanding the influence of geothermal heating on global oceanic circulation. It is expected that geothermal heating will contribute less than 1% in turbulent mixing and volume flux to global oceanic circulation, so its influence can be negligible in this situation. However, when it comes to the local environment, the influence of geothermal heating cannot be ignored. For example, temperature increases of about 0.5 degrees C with geothermal heating would have a significant effect on the physical environments within the benthic boundary layer. |
| 学科主题 | Oceanography |
| 收录类别 | SCI |
| 资助信息 | National Natural Science Foundation (NSF) of China [41176027, 11072253]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11030302]; State Key Laboratory of Tropical Oceanography (LTO) grant, South China Sea Institute of Oceanography, Chinese Academy of Sciences [LTOZZ1304] |
| 原文出处 | SPRINGER |
| WOS记录号 | WOS:000341334500003 |
| 公开日期 | 2014-12-11 |
| 源URL | [http://ir.scsio.ac.cn/handle/344004/10508]  |
| 专题 | 南海海洋研究所_热带海洋环境国家重点实验室(LTO) |
| 推荐引用方式 GB/T 7714 | Zhou, SQ,Qu, L,Zhao, XZ,et al. Laboratory simulation of the influence of geothermal heating on the interior ocean[J]. ACTA OCEANOLOGICA SINICA,2014,33(9):25-31. |
| APA | Zhou, SQ,Qu, L,Zhao, XZ,&Wan, W.(2014).Laboratory simulation of the influence of geothermal heating on the interior ocean.ACTA OCEANOLOGICA SINICA,33(9),25-31. |
| MLA | Zhou, SQ,et al."Laboratory simulation of the influence of geothermal heating on the interior ocean".ACTA OCEANOLOGICA SINICA 33.9(2014):25-31. |
入库方式： OAI收割
来源：南海海洋研究所
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