Collaborative Research: Gravity Current Entrainment Climate Process Team Renewal

这是一个试验性气候过程小组的延续，该小组的任务是发展重力流夹带的参数化，以便纳入海洋环流模式。我们的团队包括参与最近的溢出夹带实地研究的观测员：（法罗群岛银行通道，南极大陆架，红海溢出）;过程研究建模人员用高分辨率非流体静力学模拟检查夹带过程;夹带重力流简化模型的开发人员;以及在海洋学机构和气候模拟中心使用各种大尺度模型架构的人员。该项目最后两年的主要目标是：（a）仔细检查观测和过程研究中的卷吸;（B）利用这一知识制定卷吸的新参数化;（c）在海洋环流模式和耦合气候模式中实施和评价新的参数化。建议活动的智力价值：重力流夹带是海洋气候环流的重要组成部分，这项研究将加强我们对这一过程及其在气候中的作用的理解。更广泛的影响：这项研究将加强模拟中心和学术机构之间的联系;以新参数化的形式提供具体产品，可供整个气候模拟界使用。它将通过更可靠的气候变率预测造福社会，并通过资助2名博士后和来自代表性不足群体的调查人员促进跨学科培训。研究结果将通过年度研讨会进行传播，该研讨会涉及更大的社区。该项目是对美国CLIVAR（气候变化和可预测性）计划的贡献。

ABSTRACTOCE-0611572This is a continuation of a pilot Climate Process Team to develop parameterizations of gravity current entrainment for inclusion in ocean general circulation models. Our team comprises observationalists involved in recent field studies of entrainment in overflows: (Faroe Bank Channel, Antarctic shelf, Red Sea Overflow); process study modelers examining entrainment processes with high resolution non-hydrostatic simulations; developers of simplified models of entraining gravity currents ; and those using a variety of large scale model architectures at oceanographic institutions and climate modeling centers. The main objective of the final two years fo the project are to (a) closely examine entrainment in observations and process studies; (b) use this knowledge to develop new parameterizations of entrainment; (c) implement and evaluate the new parameterizations in ocean general circulation models and coupled climate models. Intellectual merit of the proposed activity: Gravity current entrainment is an important component of the ocean climate circulation, and this study will enhance our understanding of this process and its role in the climate.Broader impacts: This study will enhance links between modeling centers and academic institutions; provide concrete products in the form of new parameterizations which can be used by the whole climate modeling community. It will benefit society by enabling more reliable predictions of climate variability and promote interdisciplinary training through funding of 2 postdocs and investigators from under-represented groups. The results of the research will be disseminated through annual workshops involving the larger community.This project is a contribution to the U.S. CLIVAR (CLImate VARiability and predictability) program.