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Filtering by: Subject Nitrogen -- Fixation -- Oregon -- Oregon Coast Range Advisor Beschta, Robert L.

Variations in gravel bed composition of small streams in the Oregon Coast Range

Creator:

Adams, James Neal

Abstract:

A study of the temporal and spatial variability of stream gravel bed composition and the factors affecting the amount of fine sediment within the bed was conducted in the streams of the Oregon Coast Range. Streambed samples were obtained by frozen core techniques and the amount of sediment smaller than...

Resource Type:

Masters Thesis
Undercut streambanks in forested headwater streams of the Oregon coast range

Creator:

Salminen, Edward M.

Abstract:

This study was undertaken to evaluate the occurrence and characteristics of undercut streambanks in forested headwater streams of the Oregon Coast Range. Undercut streambanks and associated reach characteristics were surveyed along 46 sample reaches (each 152 m in length) in 8 streams; all sample reaches occurred in unmanaged forested riparian...

Resource Type:

Masters Thesis
Channel morphology and hydraulic characteristics of torrent-impacted forest streams in the Oregon Coast Range, U.S.A.

Creator:

Kaufmann, Philip Robert

Abstract:

Tracer-derived estimates of hydraulic resistance and transient hydraulic storage were related to measures of pool volume and channel morphometric variability in small streams of the Oregon coast, U.S.A. Fourteen 100 m study reaches in 3 streams were selected to compare channel and hydraulic characteristics in streams representing a time series...

Resource Type:

Dissertation
Simulation of storm runoff in the Oregon Coast Range

Creator:

Fedora, Mark A.

Abstract:

Simulation of storm hydrographs in the Oregon Coast Range was explored using the Soil Conservation Service (SCS) curve number methodology, and by developing and testing an antecedent precipitation index (API) method. Standard SCS procedures over-estimated peak discharge by about a factor of two (i.e., average over-prediction of 118 percent). When...

Resource Type:

Masters Thesis