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Tidally Driven Processes Leading to Near-Field Turbulence in a Channel at the Crest of the Mendocino Escarpment

Creator:: Musgrave, R. C., MacKinnon, J. A., Pinkel, R., Waterhouse, A. F., and Nash, J.
Abstract:: In situ observations of tidally driven turbulence were obtained in a small channel that transects the crest of the Mendocino Ridge, a site of mixed (diurnal and semidiurnal) tides. Diurnal tides are subinertial at this latitude, and once per day a trapped tide leads to large flows through the channel...
Resource Type:: Article
Full Text:: -Field Turbulence in a Channel at the Crest of the Mendocino Escarpment* R. C. MUSGRAVE,1 J. A

Modulation of Wind Work by Oceanic Current Interaction with the Atmosphere

Creator:: Renault, Lionel, Molemaker, M. Jeroen, McWilliams, James C., Shchepetkin, Alexander F., Lemarié, Florian, Chelton, Dudley, Illig, Serena, and Hall, Alex
Abstract:: In this study, uncoupled and coupled ocean–atmosphere simulations are carried out for the California Upwelling System to assess the dynamic ocean–atmosphere interactions, namely, the ocean surface current feedback to the atmosphere. The authors show the current feedback, by modulating the energy transfer from the atmosphere to the ocean, controls the...
Resource Type:: Article
Full Text:: Interaction with the Atmosphere LIONEL RENAULT, M. JEROEN MOLEMAKER, JAMES C. MCWILLIAMS, AND ALEXANDER F

Estimates of the 10-m Neutral Sea Surface Drag Coefficient from Aircraft Eddy-Covariance Measurements

Creator:: Vickers, Dean, Mahrt, Larry, and Andreas, Edgar L.
Abstract:: The 10-m neutral drag coefficient (C[subscript DN10]) over the sea is calculated using a large observational dataset consisting of 5800 estimates of the mean flow and the fluxes from aircraft eddy-covariance measurements. The dataset includes observations from 11 different experiments with four different research aircraft. One of the goals is...
Resource Type:: Article
Full Text:: Atmospheric Research (NCAR) C-130 Hercules aircraft in the Gulf Of Tehuantepec (GOTEX) on the Pacific coast

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:: Luzon Strait Three-Dimensional Double-Ridge Internal Tide Resonance in Luzon Strait Buijsman, M. C

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:: ., ... & Lee, C. M. (2014). Global patterns of diapycnal mixing from measurements of the turbulent dissipation

Long-Term Sea Surface Temperature Variability along the U.S. East Coast

Creator:: Shearman, R. Kipp and Lentz, Steven J.
Abstract:: Sea surface temperature variations along the entire U.S. East Coast from 1875 to 2007 are characterized using a collection of historical observations from lighthouses and lightships combined with recent buoy and shore-based measurements. Long-term coastal temperature trends are warming in the Gulf of Maine [1.0° ± 0.3°C (100 yr)⁻¹] and...
Resource Type:: Article
Full Text:: @coas.oregonstate.edu 1004 J O U R N A L O F P H Y S I C A L O C E A N O G R A P H Y VOLUME 40 DOI: 10.1175

The Unpredictable Nature of Internal Tides on Continental Shelves

Creator:: Nash, Jonathan D., Kelly, Samuel M., Shroyer, Emily L., Moum, James N., and Duda, Timothy F.
Abstract:: Packets of nonlinear internal waves (NLIWs) in a small area of the Mid-Atlantic Bight were 10 times more energetic during a local neap tide than during the preceding spring tide. This counterintuitive result cannot be explained if the waves are generated near the shelf break by the local barotropic tide...
Resource Type:: Article
Full Text:: 1982). The rate of energy con- version C from surface to internal tides appears in the energy

Measurements of Form and Frictional Drags over a Rough Topographic Bank

Creator:: Wijesekera, H. W., Jarosz, E., Teague, W. J., Wang, D. W., Fribance, D. B., Moum, J. N., and Warner, S. J.
Abstract:: Pressure differences across topography generate a form drag that opposes the flow in the water column, and viscous and pressure forces acting on roughness elements of the topographic surface generate a frictional drag on the bottom. Form drag and bottom roughness lengths were estimated over the East Flower Garden Bank...
Resource Type:: Article
Full Text:: to examine the dynamics of flows over small banks (e.g., Lamb 1994; Skyllingstad andWijesekera 2004

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:: O F P H Y S I C A L O C E A N O G R A P H Y VOLUME 42 internal tides that produced time-variable

Assimilation of Surface Current Measurements in a Coastal Ocean Model

Creator:: Scott, R. K., Allen, J. S., Egbert, G. D., and Miller, R. N.
Abstract:: An idealized, linear model of the coastal ocean is used to assess the domain of influence of surface type data, in particular how much information such data contain about the ocean state at depth and how such information may be retrieved. The ultimate objective is to assess the feasibility of...
Resource Type:: Article
Full Text:: phoc_30_1120.2359_2378.tp SEPTEMBER 2000 2359S C O T T E T A L . q

ScholarsArchive@OSU

Tidally Driven Processes Leading to Near-Field Turbulence in a Channel at the Crest of the Mendocino Escarpment

Modulation of Wind Work by Oceanic Current Interaction with the Atmosphere

Estimates of the 10-m Neutral Sea Surface Drag Coefficient from Aircraft Eddy-Covariance Measurements

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

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

Long-Term Sea Surface Temperature Variability along the U.S. East Coast

The Unpredictable Nature of Internal Tides on Continental Shelves

Measurements of Form and Frictional Drags over a Rough Topographic Bank

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

Assimilation of Surface Current Measurements in a Coastal Ocean Model

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