Index Catalog // ScholarsArchive@OSU

Summer Low Flow Response to Timber Harvest and Riparian Treatments in Forested Headwater Streams of Coastal Northern California

Creator:: Nicholas, Jonah
Abstract:: Headwater streams represent the majority of the drainage area of a river network and provide many critical functions supporting aquatic and terrestrial ecosystem health. The riparian zones that surround these streams are transitional areas between terrestrial and stream ecosystems, which provide key habitat for aquatic and terrestrial organisms, especially during...
Resource Type:: Masters Thesis

Assessing the Thermal Sensitivity and Stormflow Response of Headwater Stream Temperatures: A Seasonal and Event-scale Exploration in Northern California, USA

Creator:: Wissler, Austin D.
Abstract:: Mountainous headwater streams make up ~80 % of stream length globally and are strongly connected with catchment hillslopes and riparian areas, which can influence water quantity, quality, and availability for downstream uses. Accordingly, effective management of headwater streams and riparian zones to maintain desired ecosystem services downstream is critical, particularly...
Resource Type:: Masters Thesis

Long-Term Stream Channel Response to a Large Flood in a Forested Mountain Watershed

Creator:: Goodman, Arianna C.
Abstract:: There is still scholarly debate on the impacts of large floods on the geomorphic evolution of mountain rivers. Understating the geomorphic effects of large flows in mountain rivers is challenging given the hydraulic complexity of these systems and the inherent unpredictability of large floods. Prior work has demonstrated that extreme...
Resource Type:: Masters Thesis

Forest Succession and Climate Change Effects on Long-Term Runoff Coefficients at Varying Timescales

Creator:: Crampe, Emily A.
Abstract:: Forest harvesting and climate change induced shifts in precipitation characteristics (i.e., intensity, type) may affect how water is partitioned on the landscape, with more water potentially being lost to evaporation or groundwater, and less water being partitioned into the stream. Long-term, paired watershed data allows us to assess these possible...
Resource Type:: Masters Thesis

The Influence of Lithology on Stream Metabolism in Mountain Systems

Creator:: Cargill, Samantha K.
Abstract:: Physical disturbance in streams has important effects on the metabolic rates of gross primary production (GPP) and ecosystem respiration (ER). Underlying lithology can control sediment size, amount, and evolution in the stream, influencing substrate stability and its effect on benthic organisms. We assessed the patterns of disturbance and recovery of...
Resource Type:: Masters Thesis

Headwater Dynamics: Quantifying Spatial Differences in Flow Permanence and Network Connectivity across Diverse Landscapes

Creator:: Pate, Adam A.
Abstract:: Forested headwater streams are critical for the supply of water, sediment, nutrients, and organic matter to downstream water bodies. Nearly half of all headwater streams display temporary flow regimes (i.e., non-perennial), but with climate change they may become more common. Thus, it will be increasingly imperative to adequately represent non-perennial...
Resource Type:: Masters Thesis

The Influence of Lithology on the Alluvial Character of Oregon Coast Range Streams

Creator:: Fratkin, Michael Mulugetta
Abstract:: Developing a process-based understanding of alluvial rivers is relevant to river restoration, the estimation of sediment transport, and the prediction of the effects of natural and anthropogenic disturbances on channel form and sediment flux. However, predicting downstream variations in sediment transport, and channel geometry is often challenging in mountain streams...
Resource Type:: Masters Thesis

Salmon Habitat Restoration using Large Wood : Linking Stream Geomorphic Change and Restoration Effectiveness

Creator:: Yeager, Amelia
Abstract:: Large wood (LW) plays an integral role in mountain stream ecosystems, exerting a range of effects on sediment transport, stream morphology, and habitat creation. Human activities, including timber harvesting and clearing of land for agricultural and industrial development, have contributed to a marked decrease in natural sources of LW and...
Resource Type:: Masters Thesis

Sediment transport modeling and implications for benthic primary producers in Oak Creek, OR

Creator:: Katz, Scott B.
Abstract:: The spatial and temporal variability of sediment transport processes in Oak Creek, OR was investigated and used to explore two study questions: 1) How do sediment transport processes influence benthic algal communities?, and 2) Can fluvial-hydraulic models make accurate predictions of bed load transport rates? Our study was conducted in...
Resource Type:: Masters Thesis

Modeling Large Wood Impacts on Stream Hydrodynamics and Juvenile Salmon Habitat

Creator:: Bair, Russell
Abstract:: Large wood (LW) pieces are recognized as an important habitat component for salmon freshwater habitat. As such, they are often used in stream habitat restoration practices despite a lack of knowledge about their impacts on spatial and temporal hydraulic characteristics relevant to fish habitat. In this thesis we present results...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Summer Low Flow Response to Timber Harvest and Riparian Treatments in Forested Headwater Streams of Coastal Northern California

Assessing the Thermal Sensitivity and Stormflow Response of Headwater Stream Temperatures: A Seasonal and Event-scale Exploration in Northern California, USA

Long-Term Stream Channel Response to a Large Flood in a Forested Mountain Watershed

Forest Succession and Climate Change Effects on Long-Term Runoff Coefficients at Varying Timescales

The Influence of Lithology on Stream Metabolism in Mountain Systems

Headwater Dynamics: Quantifying Spatial Differences in Flow Permanence and Network Connectivity across Diverse Landscapes

The Influence of Lithology on the Alluvial Character of Oregon Coast Range Streams

Salmon Habitat Restoration using Large Wood : Linking Stream Geomorphic Change and Restoration Effectiveness

Sediment transport modeling and implications for benthic primary producers in Oak Creek, OR

Modeling Large Wood Impacts on Stream Hydrodynamics and Juvenile Salmon Habitat

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