Index Catalog // ScholarsArchive@OSU

Dynamics of the Columbia River tidal plume

Creator:: Kilcher, Levi F.
Abstract:: This dissertation investigates the dynamics of the tidally modulated outflow from the Columbia River mouth using high resolution measurements of velocity, density and turbulent microstructure. At high tide, flow through the river mouth reverses from flood (onshore) to ebb (offshore). During ebb, buoyant fluid issues from the river mouth and...
Resource Type:: Dissertation
Full Text:: ≈ 7, 000m3/s, and peaks to > 12, 000m3/s during the spring freshet. The Columbia River drainage

Shoreline erosion on Sauvie Island, Oregon : Perceptions and management practices

Creator:: Long, Season
Abstract:: Sauvie Island lies at the confluence of the Columbia River and the Willamette River near Portland, Oregon. Flooding, erosion, and deposition of sediments have been part of the natural evolution of the island. However, with the construction of multiple dams in the Columbia River Basin, levees, and hardening of upstream...
Resource Type:: Capstone Project

An examination of the form and variability of manganese oxide in Columbia River suspended material

Creator:: Covert, Paul Allister
Abstract:: Suspended particulate matter (SPM) in the Columbia River is a mixture of particles of several origins having varying physical and biogeochemical properties. The relative abundances of these freshwater particles changes with season and apparently also with tide. Prior investigation has quantified seasonal variation of organic material in both the Columbia...
Resource Type:: Masters Thesis
Full Text:: ~ 0 J F M A M J J A s 0 N D Fig. 3.2: Daily mean river flows at during 1996 and 1999 compared to

Modeling studies of the coastal circulation off northern California

Creator:: Pullen, Julie D.
Abstract:: By implementing a series of mass-conserving nested high-resolution models down to approximately 1 km resolution that have realistic bathymetry, coastline, wind forcing and river run-off, the winter 1996-1997 shelf flow near Cape Mendocino, California, is simulated and compared with available observations from the Strata Formation on Margins (STRATAFORM) marine geology...
Resource Type:: Dissertation

Geochemical tracers of Arctic river waters

Creator:: Guay, Christopher K. H.
Resource Type:: Dissertation
Full Text:: rivers flowing directly into the Arctic Ocean and the Yukon River [values taken fromMeybeck and Ragu

Characterization of organic matter quality and content in Columbia River suspended particulate matter by cupric oxide oxidation

Creator:: Alleau, Yvan M.
Abstract:: The organic content of the Columbia River suspended particulate matter (SPM) results from the input of autochthonous (phytoplankton) and allochthonous (terrestrial vascular plants) production. The contribution of these two sources appears seasonal and responds to factors such as rainfall, runoff, river flow, light and nutrients availability. While numerous studies have...
Resource Type:: Masters Thesis
Full Text:: Lignin 50 3.2.3 Columbia River vs. Other Large US and Canadian rivers 55 3.3 Summary 60 CONCLUSION 62

Annual cycles of organic matter and phytoplankton attributes in the Columbia and Willamette Rivers, with reference to the Columbia River Estuary

Creator:: Sullivan, Barbara Elaine
Resource Type:: Masters Thesis
Full Text:: estuary from the Columbia River. A spring pbytoplankton bloom in the Columbia and Willamette Rivers

Structure and dynamics of the Columbia River tidal plume front

Creator:: Kilcher, Levi F. and Nash, Jonathan D.
Abstract:: Time‐dependent buoyant plumes form at the outflow of tidally dominated estuaries. When estuary discharge velocity exceeds plume internal wave speed c, a sharp front forms at the plume’s leading edge that expands from the time‐dependent source. Using observations of the Columbia River tidal plume from multiple tidal cycles we characterize...
Resource Type:: Article
Full Text:: during ebbs aug22a, aug22b and aug25b. River flow in August was low, ≈4000 m3/s, compared to peak freshet

Patterns of sediment accumulation in the Siletz River Estuary, Oregon

Creator:: Pakenham, Anna
Abstract:: Anecdotal evidence suggests many Pacific Northwest estuaries are filling with sediment due to historical logging activities in upstream watersheds. Using the Siletz River estuary as a case study, this research began by analyzing timber harvest and discharge records of the Siletz River watershed, and found that increased timber harvest coincides...
Resource Type:: Masters Thesis
Full Text:: daily mean discharge during the period of record is 42 m3/s. Figure 1: The Siletz River estuary

Barium as a tracer of Arctic halocline and river waters

Creator:: Guay, Christopher K. H.
Resource Type:: Masters Thesis
Full Text:: Mackenzie River ............................................................ 9 2.1.2 Eurasian Arctic rivers

ScholarsArchive@OSU

Dynamics of the Columbia River tidal plume

Shoreline erosion on Sauvie Island, Oregon : Perceptions and management practices

An examination of the form and variability of manganese oxide in Columbia River suspended material

Modeling studies of the coastal circulation off northern California

Geochemical tracers of Arctic river waters

Characterization of organic matter quality and content in Columbia River suspended particulate matter by cupric oxide oxidation

Annual cycles of organic matter and phytoplankton attributes in the Columbia and Willamette Rivers, with reference to the Columbia River Estuary

Structure and dynamics of the Columbia River tidal plume front

Patterns of sediment accumulation in the Siletz River Estuary, Oregon

Barium as a tracer of Arctic halocline and river waters

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Location

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search