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Filtering by: Date issued sim 2005-06-02 Degree Name Master of Science (M.S.) Peer Reviewed No

Evaluation of models for estimating surface irrigation infiltration parameters : Data protocols and algorithm performance

Creator:

Isbell, Sarah A.

Abstract:

Often furrow irrigation application efficiencies are low compared to sprinkler systems. The primary goal of furrow irrigation is to infiltrate a relatively uniform target depth of water necessary for the crop, while minimizing the amount of runoff. The concept is difficult because water can infiltrate differently at all locations in...

Resource Type:

Masters Thesis
Scaling of the thermal mixing processes within the lower plenums of VHTR designs

Creator:

Van Horn, Matthew A.

Abstract:

The Very High Temperature Reactor (VHTR) design was one of six designs chosen for development under the Generation IV initiative. Thermal mixing of the coolant at the exit of the reactor has been a common concern for VHTR reactor designs. Thermal mixing processes are commonly investigated through the use of...

Resource Type:

Masters Thesis
Analysis of semi-volatile organic compounds in high elevation lake sediments

Creator:

Wang, Yunzhu

Abstract:

The transport and deposition of airborne contaminants, including semivolatile organic compounds (SOCs), to high elevation ecosystems is recognized as a potential threat to these ecosystems. The objectives of this research were to develop an analytical method to measure a wide range of SOCs in high elevation lake sediment and to...

Resource Type:

Masters Thesis
Characterization of pools and reaches with salmonid species in the Alsea and Nestucca Sub-Basins

Creator:

McKinney, Shaun P.

Abstract:

Streams in the Alsea and Nestucca Sub-Basins were characterized using suites of habitat attributes at the pool and reach scales. These suites were analyzed using a multivariate process with the Multiple Response Permutation Procedure (MRPP) to test for differences in groups. There were differences in the suite of habitat variables...

Resource Type:

Masters Thesis