Index Catalog // ScholarsArchive@OSU

Estimating Internal Wave Energy Fluxes in the Ocean

Creator:: Nash, Jonathan D., Alford, Matthew H., and Kunze, Eric
Abstract:: Energy flux is a fundamental quantity for understanding internal wave generation, propagation, and dissipation. In this paper, the estimation of internal wave energy fluxes <u′p′> from ocean observations that may be sparse in either time or depth are considered. Sampling must be sufficient in depth to allow for the estimation...
Resource Type:: Article
Full Text:: . NASH College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, Oregon MATTHEW

Observations of Internal Tides on the Oregon Continental Slope

Creator:: Martini, Kim I., Alford, Matthew H., Kunze, Eric, Kelly, Samuel M., and Nash, Jonathan D.
Abstract:: A complex superposition of locally forced and shoaling remotely generated semidiurnal internal tides occurs on the Oregon continental slope. Presented here are observations from a zonal line of five profiling moorings deployed across the continental slope from 500 to 3000 m, a 24-h expendable current profiler (XCP) survey, and five...
Resource Type:: Article
Full Text:: Continental Slope KIM I. MARTINI, MATTHEW H. ALFORD, AND ERIC KUNZE Applied Physics Laboratory and School of

Structure and Variability of Internal Tides in Luzon Strait

Creator:: Pickering, Andy, Alford, Matthew, Nash, Jonathan, Rainville, Luc, Buijsman, Maarten, Ko, Dong Shan, and Lim, Byungho
Abstract:: The Luzon Strait is the generation region for strong internal tides that radiate westward into the South China Sea and eastward into the western Pacific. Intrusions of the Kuroshio and strong mesoscale variability in the Luzon Strait can influence their generation and propagation. Here, the authors use eight moorings and...
Resource Type:: Article

Internal Bores and Breaking Internal Tides on the Oregon Continental Slope

Creator:: Martini, Kim I., Alford, Matthew H., Kunze, Eric, Kelly, Samuel M., and Nash, Jonathan D.
Abstract:: Observations of breaking internal tides on the Oregon continental slope during a 40-day deployment of 5 moorings along 43°12'N are presented. Remotely generated internal tides shoal onto the slope, steepen, break, and form turbulent bores that propagate upslope independently of the internal tide. A high-resolution snapshot of a single bore...
Resource Type:: Article
Full Text:: MATTHEW H. ALFORD AND ERIC KUNZE Applied Physics Laboratory and School of Oceanography, University of

The Cascade of Tidal Energy from Low to High Modes on a Continental Slope

Creator:: Kelly, Samuel M., Nash, Jonathan D., Martini, Kim I., Alford, Matthew H., and Kunze, Eric
Abstract:: The linear transfer of tidal energy from large to small scales is quantified for small tidal excursion over a near-critical continental slope. A theoretical framework for low-wavenumber energy transfer is derived from “flat bottom” vertical modes and evaluated with observations from the Oregon continental slope. To better understand the observations,...
Resource Type:: Article
Full Text:: Atmospheric Sciences, Oregon State University, Corvallis, Oregon KIM I. MARTINI, MATTHEW H. ALFORD, AND ERIC

The Direct Breaking of Internal Waves at Steep Topography

Creator:: Klymak, Jody M., Legg, Sonya, Alford, Matthew H., Buijsman, Maarten, Pinkel, Robert, and Nash, Jonathan D.
Abstract:: Internal waves are often observed to break close to the seafloor topography that generates them, or from which they scatter. This breaking is often spectacular, with turbulent structures observed hundreds of meters above the seafloor, and driving turbulence dissipations and mixing up to 10,000 times open-ocean levels. This article provides...
Resource Type:: Article
Full Text:: Sciences Program, Princeton University, Princeton, NJ, USA. Matthew H. Alford is Principal Oceanographer

Three-Dimensional Double-Ridge Internal Tide Resonance in Luzon Strait

Creator:: Buijsman, Maarten C., Klymak, Jody M., Legg, Sonya, Alford, Matthew H., Farmer, David, MacKinnon, Jennifer A., Nash, Jonathan D., Park, Jae-Hun, Pickering, Andy, and Simmons, Harper
Abstract:: The three-dimensional (3D) double-ridge internal tide interference in the Luzon Strait in the South China Sea is examined by comparing 3D and two-dimensional (2D) realistic simulations. Both the 3D simulations and observations indicate the presence of 3D first-mode (semi)diurnal standing waves in the 3.6-km-deep trench in the strait. As in...
Resource Type:: Article
Full Text:: . KLYMAK,1 SONYA LEGG,# MATTHEW H. ALFORD,@ DAVID FARMER,& JENNIFER A. MACKINNON,** JONATHAN D. NASH,11

Energy Flux and Dissipation in Luzon Strait: Two Tales of Two Ridges

Creator:: Alford, Matthew H., MacKinnon, Jennifer A., Nash, Jonathan D., Simmons, Harper, Pickering, Andy, Klymak, Jody M., Pinkel, Robert, Sun, Oliver, Rainville, Luc, Musgrave, Ruth, Beitzel, Tamara, Fu, Ke-Hsien, and Lu, Chung-Wei
Abstract:: Internal tide generation, propagation, and dissipation are investigated in Luzon Strait, a system of two quasi-parallel ridges situated between Taiwan and the Philippines. Two profiling moorings deployed for about 20 days and a set of nineteen 36-h lowered ADCP-CTD time series stations allowed separate measurement of diurnal and semidiurnal internal...
Resource Type:: Article
Full Text:: : Two Tales of Two Ridges MATTHEW H. ALFORD,* JENNIFER A. MACKINNON,1 JONATHAN D. NASH,# HARPER SIMMONS

Energy Flux and Dissipation in Luzon Strait: Two Tales of Two Ridges

Creator:: Alford, Matthew H., MacKinnon, Jennifer A., Nash, Jonathan D., Simmons, Harper, Pickering, Andy, Klymak, Jody M., Pinkel, Robert, Sun, Oliver, Rainville, Luc, Musgrave, Ruth, Beitzel, Tamara, Fu, Ke-Hsien, and Lu, Chung-Wei
Abstract:: Internal tide generation, propagation, and dissipation are investigated in Luzon Strait, a system of two quasi-parallel ridges situated between Taiwan and the Philippines. Two profiling moorings deployed for about 20 days and a set of nineteen 36-h lowered ADCP–CTD time series stations allowed separate measurement of diurnal and semidiurnal internal...
Resource Type:: Article
Full Text:: : Two Tales of Two Ridges MATTHEW H. ALFORD,* JENNIFER A. MACKINNON,1 JONATHAN D. NASH,# HARPER SIMMONS

Global Patterns of Diapycnal Mixing from Measurements of the Turbulent Dissipation Rate

Creator:: Waterhouse, Amy F., MacKinnon, Jennifer A., Nash, Jonathan D., Alford, Matthew H., Kunze, Eric, Simmons, Harper L., Polzin, Kurt L., St. Laurent, Louis C., Sun, Oliver M., Pinkel, Robert, Talley, Lynne D., Whalen, Caitlin B., Huussen, Tycho N., Carter, Glenn S., Fer, Ilker, Waterman, Stephanie, Naveira Garabato, Alberto C., Sanford, Thomas B., and Lee, Craig M.
Abstract:: The authors present inferences of diapycnal diffusivity from a compilation of over 5200 microstructure profiles. As microstructure observations are sparse, these are supplemented with indirect measurements of mixing obtained from (i) Thorpe-scale overturns from moored profilers, a finescale parameterization applied to (ii) shipboard observations of upper-ocean shear, (iii) strain as...
Resource Type:: Article
Full Text:: F. WATERHOUSE,* JENNIFER A. MACKINNON,* JONATHAN D. NASH,1 MATTHEW H. ALFORD,# ERIC KUNZE,# HARPER

ScholarsArchive@OSU

Estimating Internal Wave Energy Fluxes in the Ocean

Observations of Internal Tides on the Oregon Continental Slope

Structure and Variability of Internal Tides in Luzon Strait

Internal Bores and Breaking Internal Tides on the Oregon Continental Slope

The Cascade of Tidal Energy from Low to High Modes on a Continental Slope

The Direct Breaking of Internal Waves at Steep Topography

Three-Dimensional Double-Ridge Internal Tide Resonance in Luzon Strait

Energy Flux and Dissipation in Luzon Strait: Two Tales of Two Ridges

Energy Flux and Dissipation in Luzon Strait: Two Tales of Two Ridges

Global Patterns of Diapycnal Mixing from Measurements of the Turbulent Dissipation Rate

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