气候变化领域集成服务门户(CCPortal): A Parameterization of Local and Remote Tidal Mixing

CCPortal

DOI	10.1029/2020MS002065
	A Parameterization of Local and Remote Tidal Mixing
	de Lavergne C.; Vic C.; Madec G.; Roquet F.; Waterhouse A.F.; Whalen C.B.; Cuypers Y.; Bouruet-Aubertot P.; Ferron B.; Hibiya T.
发表日期	2020
ISSN	19422466
卷号	12 期号:5
英文摘要	Vertical mixing is often regarded as the Achilles' heel of ocean models. In particular, few models include a comprehensive and energy-constrained parameterization of mixing by internal ocean tides. Here, we present an energy-conserving mixing scheme which accounts for the local breaking of high-mode internal tides and the distant dissipation of low-mode internal tides. The scheme relies on four static two-dimensional maps of internal tide dissipation, constructed using mode-by-mode Lagrangian tracking of energy beams from sources to sinks. Each map is associated with a distinct dissipative process and a corresponding vertical structure. Applied to an observational climatology of stratification, the scheme produces a global three-dimensional map of dissipation which compares well with available microstructure observations and with upper-ocean finestructure mixing estimates. This relative agreement, both in magnitude and spatial structure across ocean basins, suggests that internal tides underpin most of observed dissipation in the ocean interior at the global scale. The proposed parameterization is therefore expected to improve understanding, mapping, and modeling of ocean mixing. ©2020. The Authors.
英文关键词	energy dissipation; internal tides; ocean mixing; parameterization
语种	英语
scopus关键词	Mixing; Parameterization; Dissipative process; Energy-constrained; Lagrangian tracking; Microstructure observation; Spatial structure; Three-dimensional maps; Two-dimensional map; Vertical structures; Tides; climatology; energy dissipation; internal tide; microstructure; ocean tide; stratification
来源期刊	Journal of Advances in Modeling Earth Systems
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156713
作者单位	LOCEAN Laboratory, Sorbonne Université-CNRS-IRD-MNHN, Paris, France; LOPS Laboratory, UBO-IFREMER-CNRS-IRD, Plouzané, France; LJK Laboratory, Université Grenoble Alpes-INRIA-CNRS, Grenoble, France; Department of Marine Sciences, University of Gothenburg, Gothenburg, Sweden; Scripps Institution of Oceanography, University of California, La Jolla, CA, United States; Applied Physics Laboratory, University of Washington, Seattle, WA, United States; Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Tokyo, Japan
推荐引用方式 GB/T 7714	de Lavergne C.,Vic C.,Madec G.,et al. A Parameterization of Local and Remote Tidal Mixing[J],2020,12(5).
APA	de Lavergne C..,Vic C..,Madec G..,Roquet F..,Waterhouse A.F..,...&Hibiya T..(2020).A Parameterization of Local and Remote Tidal Mixing.Journal of Advances in Modeling Earth Systems,12(5).
MLA	de Lavergne C.,et al."A Parameterization of Local and Remote Tidal Mixing".Journal of Advances in Modeling Earth Systems 12.5(2020).