Index Catalog // ScholarsArchive@OSU

Internal solitary waves of elevation advancing on a shoaling shelf

Creator:: Klymak, Jody M. and Moum, James N.
Abstract:: A sequence of three internal solitary waves of elevation were observed propagating shoreward along a near-bottom density interface over Oregon’s continental shelf. These waves are highly turbulent and coincide with enhanced optical backscatter, consistent with increased suspended sediments in the bottom boundary layer. Nonlinear solitary wave solutions are employed to...
Resource Type:: Article
Full Text:: , and N = N(z � h) is the stratification the streamline was originally at. Isopycnals slope up the shelf

Long-term tracking of climate change by underground temperatures

Creator:: Beltrami, Hugo, Ferguson, Grant, and Harris, Robert N.
Abstract:: Underground temperatures contain a record of past changes in the energy balance at the Earth's surface, such that borehole temperature data can be used to reconstruct long‐term trends of ground surface temperature (GST) changes. In addition to surface air temperature, however, GST is the response of the ground to other...
Resource Type:: Article
Full Text:: , Antigonish, Nova Scotia, Canada Robert N. Harris College of Oceanic and Atmospheric Sciences, Oregon State

Vertical heat flux and lateral mass transport in nonlinear internal waves

Creator:: Shroyer, E. L., Moum, J. N., and Nash, J. D.
Abstract:: Comprehensive observations of velocity, density, and turbulent dissipation permit quantification of the nonlinear internal wave (NLIW) contribution to vertical heat flux and lateral mass transport over New Jersey’s shelf. The effect of NLIWs on the shelf heat budget was significant. On average, heat flux in NLIWs was 10 times larger...
Resource Type:: Article
Full Text:: and lateral mass transport in nonlinear internal waves E. L. Shroyer,1,2 J. N. Moum,1 and J. D. Nash1

The geography of semidiurnal mode-1 internal-tide energy loss

Creator:: Kelly, S. M., Jones, N. L., Nash, J. D., and Waterhouse, A. F.
Abstract:: The semidiurnal mode-1 internal tide receives 0.1-0.3 TW from the surface tide and is capable of propagating across ocean basins. The ultimate fate of mode-1 energy after long-distance propagation is poorly constrained by existing observations and numerical simulations. Here, global results from a two-dimensional semi-analytical model indicate that topographic scattering...
Resource Type:: Article
Full Text:: semidiurnal mode-1 internal-tide energy loss S. M. Kelly,1,2 N. L. Jones,1 J. D. Nash,3 and A. F. Waterhouse4

Error spectrum for the global M₂ ocean tide

Creator:: Ray, Richard D., Eanes, R. J., Egbert, Gary D., and Pavlis, N. K.
Abstract:: The most accurate determinations of the global ocean tides are currently based on altimeter measurements made by the Topex/Poseidon satellite. The error spectrum corresponding to the M₂ tidal solution is here estimated, primarily by inverse methods and secondarily by simple differencing in flatter than tidal signal spectrum, and it exceeds...
Resource Type:: Article
Full Text:: amplitude spectrum is [Wahr et al., 1998] (Z aXn n --2 •Nn -- a •Cnm q- rn \m-O (4) 3. Tidal error

Re-evaluation of heat flow data near Parkfield, CA: Evidence for a weak San Andreas Fault

Creator:: Fulton, Patrick M., Saffer, Demian M., Harris, Robert N., and Bekins, Barbara A.
Abstract:: Improved interpretations of the strength of the San Andreas Fault near Parkfield, CA based on thermal data require quantification of processes causing significant scatter and uncertainty in existing heat flow data. These effects include topographic refraction, heat advection by topographically-driven groundwater flow, and uncertainty in thermal conductivity. Here, we re-evaluate...
Resource Type:: Article
Full Text:: : Evidence for a weak San Andreas Fault Patrick M. Fulton,1 Demian M. Saffer,1 Robert N. Harris,2 and

Abrupt thermal transition reveals hydrothermal boundary and role of seamounts within the Cocos Plate

Creator:: Fisher, A. T., Stein, C. A., Harris, Robert N., Wang, K., Silver, E. A., Pfender, M., Hutnak, M., Cherkaoui, A., Bodzin, R., and Villinger, H.
Abstract:: New thermal data from 18–24 Ma lithosphere on the Cocos Plate delineate contrasting subsurface thermal conditions in adjacent sections of crust. Heat flow through seafloor created at the East Pacific Rise is generally suppressed by ~70% relative to conductive lithospheric cooling models, whereas heat flow through adjacent, similarly-aged lithosphere generated...
Resource Type:: Article
Full Text:: boundary and role of seamounts within the Cocos Plate A. T. Fisher,1 C. A. Stein,2 R. N. Harris,3 K. Wang

Submesoscale streamers exchange water on the north wall of the Gulf Stream

Creator:: Klymak, Jody M., Shearman, R. Kipp, Gula, Jonathan, Lee, Craig M., D'Asaro, Eric A., Thomas, Leif N., Harcourt, Ramsey R., Shcherbina, Andrey Y., Sundermeyer, Miles A., Molemaker, Jeroen, and McWilliams, James C.
Abstract:: The Gulf Stream is a major conduit of warm surface water from the tropics to the subpolar North Atlantic. Here we observe and simulate a submesoscale (<20 km) mechanism by which the Gulf Stream exchanges water with subpolar water to the north. Along isopycnals, the front has a sharp compensated...
Resource Type:: Article
Full Text:: . D’Asaro4, Leif N. Thomas5, Ramsey R. Harcourt4, Andrey Y. Shcherbina4, Miles A. Sundermeyer6, Jeroen

Observations of internal wave packets propagating along‐shelf in northern Monterey Bay

Creator:: Woodson, C. B., Barth, J. A., Cheriton, O. M., McManus, M. A., Ryan, J. P., Washburn, L., Carden, K. N., Cheng, B. S., Fernandes, J., Garske, L. E., Gouhier, T. C., Haupt, A. J., Honey, K. T., Hubbard, M. F., Iles, A., Kara, L., Lynch, M. C., Mahoney, B., Pfaff, M., Pinsky, M. L., Robart, M. J., Stewart, J. S., Teck, S. J., and True, A.
Abstract:: Internal waves of depression were observed propagating along‐shelf and into northern Monterey Bay, California (CA) on the inner shelf. These waves had amplitudes approximately equal to the thermocline depth (∼4 m), and were unstable to shear and mix the thermocline. Isopycnal gradient spectra showed that the wave packets lead to...
Resource Type:: Article
Full Text:: . P. Ryan,5 L. Washburn,6 K. N. Carden,7 B. S. Cheng,8 J. Fernandes,9 L. E. Garske,8 T. C. Gouhier,10

The response of atmospheric nitrous oxide to climate variations during the last glacial period

Creator:: Schilt, Adrian, Baumgartner, Matthias, Eicher, Olivier, Chappellaz, Jérôme, Schwander, Jakob, Fischer, Hubertus, and Stocker, Thomas F.
Abstract:: Detailed insight into natural variations of the greenhouse gas nitrous oxide (N₂O) in response to changes in the Earth's climate system is provided by new measurements along the ice core of the North Greenland Ice Core Project (NGRIP). The presented record reaches from the early Holocene back into the previous...
Resource Type:: Article
Full Text:: calibrations (n = 630) used to produce the new data of this study in the years 2010, 2011, and 2012. Due to the

ScholarsArchive@OSU

Internal solitary waves of elevation advancing on a shoaling shelf

Long-term tracking of climate change by underground temperatures

Vertical heat flux and lateral mass transport in nonlinear internal waves

The geography of semidiurnal mode-1 internal-tide energy loss

Error spectrum for the global M₂ ocean tide

Re-evaluation of heat flow data near Parkfield, CA: Evidence for a weak San Andreas Fault

Abrupt thermal transition reveals hydrothermal boundary and role of seamounts within the Cocos Plate

Submesoscale streamers exchange water on the north wall of the Gulf Stream

Observations of internal wave packets propagating along‐shelf in northern Monterey Bay

The response of atmospheric nitrous oxide to climate variations during the last glacial period

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