CAREER: From the Lab to the Ocean: Experimental modeling of Internal Tide Generation by Topography

职业：从实验室到海洋：地形产生内潮汐的实验模型

• 批准号: 0645529
• 负责人: Thomas Peacock
• 金额: $ 50.39万
• 依托单位: Massachusetts Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2007
• 资助国家: 美国
• 起止时间: 2007-04-01 至 2013-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0645529&HistoricalAwards=false
• 关键词: CAREER; Lab; Ocean; Experimental; modeling

OCE-0645529Intellectual merit: Internal-wave generation in the deep ocean is currently a very active research topic because of the recent recognition of its important role in deep-ocean mixing. The intellectual merit of the work is in the laboratory investigation of outstanding, fundamental issues regarding internal-wave generation by deep-ocean bathymetry, for which there is a significant absence of experimental data. Although lab-scale, the proposed experiments are directly relevant to ocean processes. The outstanding issues addressed in study are the modal composition, energy-flux and instabilities of internal tides from 2D and 3D bathymetry. This timely investigation will expand current observational, numerical and theoretical understanding of internal-wave generation through sophisticated laboratory experiments. The experiments will generate detailed spatiotemporal data in regimes that are not amenable to current theoretical and numerical models, and for which field studies can inevitably provide only sparse data in uncontrolled environments. This research will also develop synergistic numerical modeling of the experiments.Broader impact: Internal waves impact the Earth's climate and modern-day underwater technology. Future theoretical and numerical models that have been validated by our benchmark data, made available through a website, will enhance our ability to predict the environmental and technological impact of internal waves. A new partnership between MIT and UCLA will be established that will be instrumental for the development of a non-hydrostatic ROMS model, which has promise to become a next-generation community ocean model. Through this new partnership and involvement in ocean-going research, the CAREER award will facilitate fruitful collaboration of scientific groups with different backgrounds, encouraging exchange of ideas and methodologies. The PI has included letters of collaboration from Prof. McWilliams and Assistant Prof. Alford to attest to the utility and excitement generated by the experimental results. The PI will use his state-of-the-art experimental facilities for hands-on teaching of K-12, undergraduate and graduate students. High-school and undergraduate students will perform experiments integrated with the CAREER research goals; with assessment provided by educators at MIT. A new graduate-course module on internal tides will be developed, and two Ph.D. students in the MIT-Woods Hole Joint Program, one a female, minority student, will be trained in laboratory and ocean-going research. The PI will participate in a summer program for science educators, for which he will organize sessions on ocean science. Letters of collaboration from the Center for Ocean Sciences Education Excellence, the Research Science Institute, the MIT-Woods Hole Joint Program and the Science and Engineering Program for Teachers testify their commitment to supporting the PI's education plan.

OCE-0645529Intlectual Feerit：深海的内波产生目前是一个非常活跃的研究主题，因为最近认识到其在深oce族混合中的重要作用。这项工作的智力优点在于实验室研究深始终如一的测深的杰出的，基本问题的基本问题，而深向海洋测深的测定法没有实验数据的大量缺乏。尽管实验室规模，但提出的实验与海洋过程直接相关。研究中解决的出色问题是2D和3D测深的内部潮汐的模态组成，能量升华和不稳定性。这项及时的研究将通过复杂的实验室实验扩大对内波产生的当前观察，数值和理论理解。这些实验将在不适合当前理论和数值模型的方案中生成详细的时空数据，而对于哪些模型，现场研究不可避免地只能在未受控制的环境中提供稀疏的数据。这项研究还将开发实验的协同数值建模。BOADER的影响：内部波影响地球的气候和现代水下技术。通过网站提供的基准数据验证的未来理论和数值模型将增强我们预测内部波浪的环境和技术影响的能力。将建立MIT和UCLA之间的新合作伙伴关系，这将有助于开发非静态ROMS模型，该模型有望成为下一代社区海洋模型。通过这种新的伙伴关系和参与海洋研究的参与，职业奖将促进具有不同背景的科学团体的富有成果的合作，从而鼓励人们交流思想和方法论。 PI包括McWilliams教授和Alford教授的合作信，以证明实验结果产生的实用程序和兴奋。 PI将使用其最先进的实验设施来进行K-12，本科和研究生的动手教学。高中和本科生将进行与职业研究目标集成的实验；通过MIT的教育工作者提供的评估。将开发一个有关内部潮汐的新的研究生课程模块，并有两个博士学位。 MIT-Woods Hole联合计划中的学生是女性，少数学生，将接受实验室和海洋研究的培训。 PI将参加一项科学教育者夏季计划，他将为其组织海洋科学课程。海洋科学教育中心的合作信，研究科学研究所，麻省理工学院孔联合计划和教师科学与工程计划证明了他们对支持PI的教育计划的承诺。