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Filtering by: Advisor Anderson, Paul D. Committee Member Klingeman, Peter

Pivoting angles of gravel with applications in sediment threshold studies

Creator:

Li, Zhenlin

Resource Type:

Masters Thesis

Full Text:

Applications In Sediment Threshold Studies Ab s t r a c t App r o v e d: Paul D. Komar Previous studies
The flow mechanics and resulting erosional and depositional features of explosive volcanic density currents on earth and Mars

Creator:

Reimers, Clare E.

Abstract:

Straight, radial, erosional channels and fan-like deposits of tephra develop around steep-sided cones and composite volcanoes, but are not characteristic features of shield volcanoes. The channels and deposits normally are formed by explosive volcanic density currents which originate as nuées adrentes or base surges. The physical processes of explosive volcanic...

Resource Type:

Masters Thesis

Full Text:

was suggested to me by my thesis advisor, Paul Komar. I would like to thank him for his contributions
Longshore grain sorting and beach-placer formation adjacent to the Columbia River

Creator:

Li, Zhenlin

Abstract:

The formation of beach placers primarily involves processes of waves and currents that selectively sort and concentrate the valuable minerals according to their densities, sizes and shapes. Black sand placers are found on the beaches adjacent to the mouth of the Columbia River. Reviews of historical shoreline changes show that...

Resource Type:

Dissertation
Sediment accumulation and human impacts in Tillamook Bay, Oregon

Creator:

Styllas, Michael N.

Abstract:

Tillamook Bay is the second largest estuary on the Oregon coast, and concerns have been raised whether human induced impacts have been responsible for the perceived increase in sedimentation rates during the past century. Major land-use practices within the five watersheds of the Bay include logging, forest fires, the construction...

Resource Type:

Masters Thesis

Full Text:

_ Paul D. Komar Tillamook Bay is the second largest estuary on the Oregon coast, and concerns have