Index Catalog // ScholarsArchive@OSU

Mathematical model for determining the position and line tensions for a tethered logging balloon

Creator:: Avery, Robert B.
Abstract:: A program was developed on a desktop computer to determine the cable tensions and position of a balloon tethered by two or more guylines. The program was specifically applied to the analysis of the static load lifting capability of the Pendulum Swing Balloon System. This system uses a tethered balloon...
Resource Type:: Masters Thesis

The suspended sediment regimes of two small streams in Oregon's Coast Range

Creator:: Paustian, Steven Julius
Abstract:: The protection of water quality and the maintenance of productive anadromous fisheries is a primary concern in the Pacific Northwest. Excessive suspended sediment loads is a principle water quality problem on small wildland watersheds in this region (Anderson, 1971; Brown, 1972). Man's activities have been shown to increase sedimentation rates...
Resource Type:: Masters Thesis

Short distance transportation in the mixed peat swamp forests of Sarawak, Malaysia

Creator:: Manikam, Doraisingam
Abstract:: The peat swamp forests of Sarawak are an important resource in the context of the socio-economic development of the state. Logging is the main activity in these forests. In the absence of an economical mechanized system, the method of harvesting has evolved into a highly organized effective manual system. Though...
Resource Type:: Capstone Project

Factors affecting the smolt yield of Coho salmon (Oncorhynchus kisutch) in three Oregon streams

Creator:: Knight, Ned J.
Abstract:: Data from the coho salmon migration were examined from three streams of the Alsea Watershed Study, conducted on tributaries to Drift Creek, Oregon, from 1959 through 1973. With the migration season defined as November 1 through May 31, the mean seasonal smolt count was 2022 fish in Deer Creek, 665...
Resource Type:: Masters Thesis

The effects of red alder leaf fall on the water color and other water quality characteristics of a small watershed in northwest Oregon

Creator:: Taylor, Robert Lynn
Abstract:: This study was initiated to make some preliminary evaluations of the effects of red alder (Alnus rubra, Bong.) leaf fall on stream water quality, particularly water color. Laboratory tests were also conducted to better understand the effects of leaf loading, duration of leaf leaching, and type of leaching on changes...
Resource Type:: Masters Thesis

Nutrient losses and nitrogen mineralization on forested watersheds in Oregon's Coast Range

Creator:: Miller, James H.
Abstract:: Nutrient losses of the biologically responsive anions, nitrate and bicarbonate together with the major cations, were monitored on 14 small watersheds in Oregon's Coast Range and evaluated in relation to management-induced disturbance. Mixed forests of Douglas-fir and red alder had dominated these high-nitrogen sites prior to treatment. A paired-watershed experimental...
Resource Type:: Dissertation

An economic analysis of final log manufacturing locations in the steep terrain radiata pine plantations of New Zealand

Creator:: Murphy, Glen E.
Abstract:: Over the next quarter century there will be about an eight-fold increase in the volume of wood harvested annually from New Zealand's steep terrain radiata pine plantations. With the move to steeper terrain it is expected that there will be a trend towards considerably smaller landings. With smaller landings final...
Resource Type:: Dissertation

Nonlinear oscillations, bifurcations and chaos in ocean mooring systems

Creator:: Gottlieb, Oded
Abstract:: Complex nonlinear and chaotic responses have been recently observed in various compliant ocean systems. These systems are characterized by a nonlinear mooring restoring force and a coupled fluid-structure interaction exciting force. A general class of ocean mooring system models is formulated by incorporating a variable mooring configuration and the exact...
Resource Type:: Dissertation
Full Text:: committee: Dr. Ron B. Guenther, Dr. Robert T. Hudspeth, Dr. John W. Leonard and Dr. George W. Brown, for

Reaeration in small mountain streams

Creator:: Holtje, Ralph Kenneth
Abstract:: Fishery biologists and watershed management specialists have recently begun to investigate the pollutional threat posed by organic debris left in or near the forest watercourses. Oxygen content in some streams has fallen below the limits required for fish survival. The biochemical oxygen demand exerted by the debris and the reaeration...
Resource Type:: Dissertation

Physical properties and genetic studies of cryptic plasmids discovered in plant pathogenic pseudomonads

Creator:: Curiale, Michael Steven
Abstract:: Six plant pathogenic isolates of Pseudomonas syringae pv. glycinea, the causal agent of bacterial blight of Glycine max (L.) Merrill, and one isolate of P. syringae pv. phaseolicola, the causal agent of halo blight of Phaseolus vulgaris L., have been examined for the presence of circular duplex deoxyribonucleic acid (DNA)....
Resource Type:: Dissertation
Full Text:: . I sincerely thank Dr. Lyle Brown, Dr. Robert Holton, Dr. George Pearson, and Dr. Henry Schaup for

ScholarsArchive@OSU

Mathematical model for determining the position and line tensions for a tethered logging balloon

The suspended sediment regimes of two small streams in Oregon's Coast Range

Short distance transportation in the mixed peat swamp forests of Sarawak, Malaysia

Factors affecting the smolt yield of Coho salmon (Oncorhynchus kisutch) in three Oregon streams

The effects of red alder leaf fall on the water color and other water quality characteristics of a small watershed in northwest Oregon

Nutrient losses and nitrogen mineralization on forested watersheds in Oregon's Coast Range

An economic analysis of final log manufacturing locations in the steep terrain radiata pine plantations of New Zealand

Nonlinear oscillations, bifurcations and chaos in ocean mooring systems

Reaeration in small mountain streams

Physical properties and genetic studies of cryptic plasmids discovered in plant pathogenic pseudomonads

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