Index Catalog // ScholarsArchive@OSU

Coastal Wind-Driven Circulation in the Vicinity of a Bank. Part II: Modeling Flow over the Heceta Bank Complex on the Oregon Coast

Creator:: Whitney, Michael M. and Allen, J. S.
Abstract:: This study investigates wind-driven circulation in the vicinity of the Heceta Bank complex along the Oregon shelf. Numerical experiments forced with steady winds (0.1 Pa) are conducted; upwelling and downwelling cases are compared. The asymmetric bank bathymetry is the only configurational difference from the symmetric bank runs analyzed in Part...
Resource Type:: Article

Coastal Wind-Driven Circulation in the Vicinity of a Bank. Part I: Modeling Flow over Idealized Symmetric Banks

Creator:: Whitney, Michael M. and Allen, J. S.
Abstract:: This study examines how coastal banks influence wind-driven circulation along stratified continental shelves. Numerical experiments are conducted for idealized symmetric banks; the standard bank (200 km long and 50 km wide) has dimensions similar to the Heceta Bank complex along the Oregon shelf. Model runs are forced with 10 days...
Resource Type:: Article

The Influence of Lateral Advection on the Residual Estuarine Circulation: A Numerical Modeling Study of the Hudson River Estuary

Creator:: Scully, Malcolm E., Geyer, W. Rockwell, and Lerczak, James A.
Abstract:: In most estuarine systems it is assumed that the dominant along-channel momentum balance is between the integrated pressure gradient and bed stress. Scaling the amplitude of the estuarine circulation based on this balance has been shown to have predictive skill. However, a number of authors recently highlighted important nonlinear processes...
Resource Type:: Article

A Simple Dynamical Model of the Warm-Water Branch of the Middepth Meridional Overturning Cell

Creator:: Samelson, R. M.
Abstract:: A reduced-gravity model is presented of the warm-water branch of the middepth meridional overturning circulation in a rectangular basin with a circumpolar connection. The model describes the balance between production of warm water by Ekman advection across the circumpolar current, dissipation of warm water by eddy fluxes southward across the...
Resource Type:: Article

Morning-to-Afternoon Evolution of Marine Stratus Polluted by Underlying Ships: Implications for the Relative Lifetimes of Polluted and Unpolluted Clouds

Creator:: Christensen, Matthew W., Coakley, James A., Jr., and Tahnk, William R.
Abstract:: Ship tracks appearing in both the morning and afternoon Moderate Resolution Imaging Spectroradiometer (MODIS) imagery for the Pacific Ocean off the west coast of the United States were used to study the morning-to-afternoon evolution of marine stratus polluted by underlying ships and nearby uncontaminated stratus. Analyzed 925-hPa winds were used...
Resource Type:: Article

Observation of sound focusing and defocusing due to propagating nonlinear internal waves

Creator:: Luo, J., Badiey, M., Karjadi, E. A., Katsnelson, B., Tskhoidze, A., Lynch, J. F., and Moum, J. N.
Abstract:: Fluctuations of the low frequency sound field in the presence of an internal solitary wave packet during the Shallow Water ’06 experiment are analyzed. Acoustic, environmental, and on-board ship radar image data were collected simultaneously before, during, and after a strong internal solitary wave packet passed through the acoustic track....
Resource Type:: Article

Flux-gradient relationship of water vapor in the surface layer obtained from CASES-99 experiment

Creator:: Park, Sang-Jong, Park, Soon-Ung, Ho, Chang-Hoi, and Mahrt, Larry
Abstract:: The flux-gradient relationship of water vapor Fq was obtained from the Cooperative Atmosphere-Surface Exchange Study-1999 (CASES-99) field experiment, which was conducted on a flat and grassy field in the southeastern part of Kansas, USA, during October 1999. The CASES-99 data include turbulence measurements of wind, temperature, and vapor density along...
Resource Type:: Article

Tropical origins of North and South Pacific decadal variability

Creator:: Shakun, Jeremy D. and Shaman, Jeffrey
Abstract:: The origin of the Pacific Decadal Oscillation (PDO), the leading mode of sea surface temperature variability for the North Pacific, is a matter of considerable debate. One paradigm views the PDO as an independent mode centered in the North Pacific, while another regards it as a largely reddened response to...
Resource Type:: Article

Increased dissolved terrestrial input to the coastal ocean during the last deglaciation

Creator:: Klinkhammer, Gary P., Mix, Alan C., and Haley, B. A.
Abstract:: Here we present the first downcore results for a new paleoproxy, the Mn/Ca ratio of foraminiferal calcite, applied to sediment accumulated in the extreme Eastern Tropical North Pacific (ETNP) over the last 30,000 years. The Mn/Ca results are compared to oxygen isotopes and sea surface temperature calculated from Mg/Ca. We...
Resource Type:: Article

Routing of western Canadian Plains runoff during the 8.2 ka cold event

Creator:: Carlson, Anders E., Clark, Peter U., 1956-, Haley, Brian A., and Klinkhammer, Gary P.
Abstract:: The collapse of the Laurentide Ice Sheet over Hudson Bay ∼8.47 ka allowed the rapid drainage of glacial Lake Agassiz into the Labrador Sea, an event identified as causing a reduction in Atlantic meridional overturning circulation (AMOC) and the 8.2 ka cold event. Atmosphere‐ocean models simulations based on this forcing,...
Resource Type:: Article

ScholarsArchive@OSU

Coastal Wind-Driven Circulation in the Vicinity of a Bank. Part II: Modeling Flow over the Heceta Bank Complex on the Oregon Coast

Coastal Wind-Driven Circulation in the Vicinity of a Bank. Part I: Modeling Flow over Idealized Symmetric Banks

The Influence of Lateral Advection on the Residual Estuarine Circulation: A Numerical Modeling Study of the Hudson River Estuary

A Simple Dynamical Model of the Warm-Water Branch of the Middepth Meridional Overturning Cell

Morning-to-Afternoon Evolution of Marine Stratus Polluted by Underlying Ships: Implications for the Relative Lifetimes of Polluted and Unpolluted Clouds

Observation of sound focusing and defocusing due to propagating nonlinear internal waves

Flux-gradient relationship of water vapor in the surface layer obtained from CASES-99 experiment

Tropical origins of North and South Pacific decadal variability

Increased dissolved terrestrial input to the coastal ocean during the last deglaciation

Routing of western Canadian Plains runoff during the 8.2 ka cold event

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