Global S&T Development Trend Analysis Platform of Resources and Environment
项目编号 | 1534618 |
Water Mass Transformation and Downwelling around Islands | |
Michael Spall | |
主持机构 | Woods Hole Oceanographic Institution |
项目开始年 | 2015 |
2015-10-01 | |
项目结束日期 | 2019-09-30 |
资助机构 | US-NSF |
项目类别 | Standard Grant |
项目经费 | 542970(USD) |
国家 | 美国 |
语种 | 英语 |
英文摘要 | Islands are dynamically interesting because they pose strong dynamical constraints on the exchange between the island shelf and the open ocean, and can result in important water mass transformation and export. These dynamics also influence the circulation on the shelf, on the slope, and far from the island. Idealized and realistic numerical ocean models will be combined with simple analytic models to better understand what controls water mass transformation and net downwelling around islands. The idealized framework emphasized here will provide a clearer understanding of why these processes differ between different islands and how they might be expected to change in a changing climate. Work supported by this grant will contribute to both undergraduate and graduate education programs at the Woods Hole Oceanographic Institution. The combination of analytic models and eddy resolving numerical models will provide insights into the dynamics and thermodynamics that control the diapycnal mass flux and mixing on island shelves and export of product waters to the surrounding ocean. Particular focus will be given to asymmetrical forcing situations in which the buoyancy-forcing, wind stress, surrounding ocean, or bottom topography vary around the island perimeter. The general approach will use theory to identify the relevant non-dimensional numbers and provide a dynamical framework with which to guide and interpret the numerical model calculations. The numerical models will be used to test the basic predictions from the theory while more completely resolving important processes such as nonlinear eddy fluxes and convection. Quantities of interest include: properties of product water masses; distribution of upwelling and downwelling; net diapycnal mass flux; induced circulations and fluxes across the shelf break. |
来源学科分类 | Geosciences - Ocean Sciences |
文献类型 | 项目 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/68906 |
专题 | 环境与发展全球科技态势 |
推荐引用方式 GB/T 7714 | Michael Spall.Water Mass Transformation and Downwelling around Islands.2015. |
条目包含的文件 | 条目无相关文件。 |
个性服务 |
推荐该条目 |
保存到收藏夹 |
查看访问统计 |
导出为Endnote文件 |
谷歌学术 |
谷歌学术中相似的文章 |
[Michael Spall]的文章 |
百度学术 |
百度学术中相似的文章 |
[Michael Spall]的文章 |
必应学术 |
必应学术中相似的文章 |
[Michael Spall]的文章 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论