Index Catalog // ScholarsArchive@OSU

Hydrology and delineation in four wetlands in the Oregon Cascades

Creator:: MacLeod, Norman A.
Abstract:: Four wetland sites were identified and delineated in Silver Falls State Park, Oregon using procedures outlined in the 1989 Federal Manual for the Identification and Delineation of Jurisdictional Wetlands and subsequently monitored for a ten month period. A network of 225 shallow (32") wells was installed throughout the sites to...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Norman A. MacLeod for the

Valley fill and channel incision in Meyer's Canyon, northcentral Oregon

Creator:: Peacock, Kathi A.
Abstract:: Meyer's Canyon, a tributary of Bridge Creek in the John Day Basin, is a deeply incised valley fill in northcentral Oregon. The current channel is incised to the Cretaceous and Tertiary bedrock. To determine the precedence of the current incision and the variation and timing of depositional sequences, the sediments...
Resource Type:: Masters Thesis

Evaporative heat loss of the upper Middle Fork of the John Day River, northeastern Oregon

Creator:: Benner, David A.
Abstract:: Evaporation was studied along the Middle Fork of the John Day River in northeastern Oregon. Evaporation pans and various meteorological sensors recorded data at nine sites during the summer of 1998; measurements were made at each site over a 3-4 day period. A Dalton-type evaporation model was produced using water...
Resource Type:: Masters Thesis

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

Summertime water temperature trends in Steamboat Creek Basin, Umpqua National Forest

Creator:: Holaday, Steven A.
Abstract:: The Steamboat Creek basin drains 227 mi² (588 km²) of steep forested terrain into the North Umpqua River of Southwest Oregon, 39 mi (63 km) northeast of Roseburg. Summer base flows for Steamboat Creek average 83 cfs (2.35 m³/sec). Steamboat Creek and its tributaries are considered important to the production...
Resource Type:: Masters Thesis

Subsurface flow of a forested riparian area in the Oregon coast range

Creator:: Reiter, Maryanne
Abstract:: This study was undertaken to gain further understanding of the subsurface hydrology for a stream-adjacent riparian area in Western Oregon's Coast Range. Spatial and temporal fluctuations of the free water surface of a toeslope, adjacent riparian area, and stream channel in a forested terrace reach were monitored over a period...
Resource Type:: Masters Thesis

Summer stream temperatures and channel characteristics of a southwestern Oregon coastal stream

Creator:: McSwain, Michelle D.
Abstract:: The Elk River Basin drains 93 sq ml of steep forested terrain on the west side of the Klamath Mountains in Southwest Oregon. This river and its tributaries support a diverse and abundant population of anadromous fish; a hatchery located at river mile 13 (km 21) supplements these native populations....
Resource Type:: Masters Thesis
Full Text:: a Southwestern Oregon Coastal Stream AN ABSTRACT OF THE THESIS OF Michelle D. McSwain for the

Groundwater elevations and temperature adjacent to a beaver pond in central Oregon

Creator:: Lowry, Michael M.
Abstract:: This study was designed and implemented to observe the spatial and temporal dynamics of groundwater levels and temperatures adjacent to a beaver pond in semi-arid central Oregon. The study site was located on the eastern boundary of Painted Hills National Monument along Bridge Creek, a tributary to the John Day...
Resource Type:: Masters Thesis

Sediment transport and channel morphology in a small mountain stream in Western Oregon

Creator:: Edwards, Richard Earl
Abstract:: Sediment transport measurements on Flynn Creek, a headwater stream in the Oregon Coast Range, have illustrated the magnitude of fluvial transfer processes, primarily of the bedload component, during a moderate storm runoff season (1979 water year). The total dissolved solids concentration of storm runoff averaged 40 mg/L, and was independent...
Resource Type:: Masters Thesis

An evaluation of a procedure for predicting sediment yield increases from silivicultural activities

Creator:: Larson, Keith R.
Abstract:: Sediment yield increases following timber harvest and road construction were predicted for four Pacific Northwest experimental watersheds. Sediment yields were predicted using a handbook developed by the U.S. Forest Service entitled, "An Approach to Water Resources Evaluation of Non-Point Silvicultural Sources" (WRENS). Predicted sediment yield increases varied from 40 to...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Hydrology and delineation in four wetlands in the Oregon Cascades

Valley fill and channel incision in Meyer's Canyon, northcentral Oregon

Evaporative heat loss of the upper Middle Fork of the John Day River, northeastern Oregon

Simulation of storm runoff in the Oregon Coast Range

Summertime water temperature trends in Steamboat Creek Basin, Umpqua National Forest

Subsurface flow of a forested riparian area in the Oregon coast range

Summer stream temperatures and channel characteristics of a southwestern Oregon coastal stream

Groundwater elevations and temperature adjacent to a beaver pond in central Oregon

Sediment transport and channel morphology in a small mountain stream in Western Oregon

An evaluation of a procedure for predicting sediment yield increases from silivicultural activities

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