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Frequency and magnitude of bedload transport downstream of the Pelton-Round Butte Dam Complex, lower Deschutes River, Oregon

Creator:

Fassnacht, Heidi

Abstract:

A first-order approximation is made of the frequency and magnitude of bedload transport downstream of the Pelton-Round Butte Dam Complex, lower Deschutes River, Oregon with implications for salmonid spawning habitat. Field measurements of channel hydraulics, geometry, and particle size were combined with one-dimensional hydraulic and bedload transport models to determine...

Resource Type:

Masters Thesis
Fungal associates in the golden metallic beetle, Buprestis aurulenta L.

Creator:

Garcia, Carlos Manalo

Resource Type:

Masters Thesis
Pressure measurement in wood as a method to understand impregnation processes : conventional and supercritical carbon dioxide

Creator:

Schneider, Philip F.

Abstract:

Two approaches to improving wood treatability include the modification of pressure schedules during conventional liquid treatments and the use of supercritical fluids (SCFs). In both of these techniques, pressure differences are important for transporting materials into wood. The level of pressure and its change during SCF treatments are also important...

Resource Type:

Dissertation
Spatial and temporal patterns of "super-old" Douglas-fir trees of the central western Cascades, Oregon

Creator:

Giglia, Sheryl K.

Abstract:

Old-growth in the Pacific Northwest is generally defined as trees that are more than 200 years old. A great deal of analysis and discussion about old-growth forests in western Oregon, however, has focused on the relatively widespread 400 to 500 year age class of primarily Douglas-fir (Pseudotsuga menziesii) trees. The...

Resource Type:

Masters Thesis