Index Catalog // ScholarsArchive@OSU

Monitoring river restoration using fiber optic temperature measurements in a modeling framework

Creator:: Huff, Julie A.
Abstract:: The Middle Fork of the John Day River (MFJD) in Northeastern Oregon contains important spawning grounds for spring Chinook and summer steelhead of the Columbia River Basin. In the summer of 2008 phase one of a river restoration project was completed which included the addition of engineered log jams (ELJs)...
Resource Type:: Masters Thesis

Feasibility of Thermal Restoration by Groundwater Additions in the Middle Fork John Day

Creator:: Hale, Abigail E.
Abstract:: Survival of ecological systems pivot on critical moments. In the arid John Day Basin of Eastern Oregon, extensive restoration of the stream and floodplain focused on supporting salmon has been ongoing for the past 20 years, but recurring short periods of extreme temperature increase and low flows result in mortality...
Resource Type:: Masters Thesis
Full Text:: Groundwater Additions in the Middle Fork John Day by Abigail Hale A THESIS submitted to Oregon State

A study of stream temperature using distributed temperature sensing fiber optics technology in Big Boulder Creek, a tributary to the Middle Fork John Day River in eastern Oregon

Creator:: Arik, Aida D.
Abstract:: The Middle Fork John Day Basin in Northeastern Oregon is prime habitat for spring Chinook salmon and Steelhead trout. In 2008, a major tributary supporting rearing habitat, Big Boulder Creek, was restored to its historic mid-valley channel along a 1 km stretch of stream 800 m upstream of the mouth....
Resource Type:: Masters Thesis

Water content and electrical conductivity profile measurements for dispersive media using enhanced time domain and frequency domain models

Creator:: Flugstad, Benjamin A.
Abstract:: Water conservation and water quality are rapidly increasing in importance in all areas of the world. The ability to accurately measure soil water content and salinity, over a wide variety of conditions, is key to meeting this need. A set of forward prediction models and waveform interpretation algorithms to extract...
Resource Type:: Dissertation
Full Text:: dedicated support and collaboration through this research project. John and his team have played a huge

Understanding Aquifer Water Retention Dynamics Using Groundwater Head Relaxation Time

Creator:: Jimmie, Jordan A.
Abstract:: Diking and channelizing in the Toppenish Creek basin, associated with irrigated agricultural development, has altered its natural ecosystem function and hydraulic processes. We seek to answer two research questions: if surface waters are diverted for aquifer recharge in the winter, will this water be available for ecosystem function in the...
Resource Type:: Masters Thesis
Full Text:: Jordan A. Jimmie for the degree of Master of Science in Biological and Ecological Engineering presented

Evaluation of stream temperature spatial variation using distributed temperature sensing

Creator:: O'Donnell, Tara
Abstract:: Water temperature in rivers and streams is an important factor for aquatic ecosystem health. Measurement of stream temperature has traditionally been accomplished by point temperature measurements, continuous point temperature loggers, and more recently, airborne remote sensing techniques such as Forward-Looking Infrared Radar (FLIR) or Thermal Infrared Radiometry. While each of...
Resource Type:: Masters Thesis
Full Text:: DTS stream temperature datasets were collected in the Middle Fork John Day River (MFJDR) as part of a

Make it Rain : A Lagrangian Approach to Investigate Land Surface Controls on Moisture Recycling in the Columbia River Basin

Creator:: Tai, Leah Chung-Mei
Abstract:: Linkages between land use and its influence on the atmosphere have been a long-standing research area. For example, what is the impact of irrigated agriculture on downwind rainfall? Global-scale models show that moisture recycling is an important source of water for inland regions around the world, but they do not...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ John S. Selker Linkages between land use and its influence on the atmosphere have been a

Hyperspectral Disease Detection - Strategies Addressing Time, Space, Machine Learning, and Plant Susceptibility

Creator:: Haagsma, Marja
Abstract:: Finding trees and crops that are resistant to pathogens is key in preparing for current and future disease threats. In this dissertation, we analyzed the potential of using hyperspectral imaging (HSI) to find infection while identifying issues and strategies addressing differences over time, in spatial resolution, the application of machine...
Resource Type:: Dissertation
Full Text:: . Waring 4, Richard A. Sniezko 3 and John S. Selker 1 1Department of Biological and Ecological

Infiltration and temperature characterization of a wastewater hyporheic discharge system

Creator:: Stewart, Ryan D.
Abstract:: The Clean Water Act imposes Total Maximum Daily Load (TMDL) limits on pollutant concentrations within wastewater effluent; in Oregon, thermal discharge is one of the pollutants subject to regulation. The City of Woodburn, Oregon, funded a series of pilot scale studies to investigate the utility of natural systems to reduce...
Resource Type:: Masters Thesis
Full Text:: : Infiltration and Temperature Characterization of a Wastewater Hyporheic Discharge System Abstract

A predictive model for time domain reflectometry soil water content and salinity measurements

Creator:: Flugstad, Benjamin A.
Abstract:: Soil water content and water potential are two important parameters in determining the status of water in the soil. Improvement in the ability to measure these parameters by way of increased speed, accuracy, resolution, imaging volume, ease of automation, as well as reduced calibration requirements and reduced soil disturbance would...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Benjamin A. Flugstad for the

ScholarsArchive@OSU

Monitoring river restoration using fiber optic temperature measurements in a modeling framework

Feasibility of Thermal Restoration by Groundwater Additions in the Middle Fork John Day

A study of stream temperature using distributed temperature sensing fiber optics technology in Big Boulder Creek, a tributary to the Middle Fork John Day River in eastern Oregon

Water content and electrical conductivity profile measurements for dispersive media using enhanced time domain and frequency domain models

Understanding Aquifer Water Retention Dynamics Using Groundwater Head Relaxation Time

Evaluation of stream temperature spatial variation using distributed temperature sensing

Make it Rain : A Lagrangian Approach to Investigate Land Surface Controls on Moisture Recycling in the Columbia River Basin

Hyperspectral Disease Detection - Strategies Addressing Time, Space, Machine Learning, and Plant Susceptibility

Infiltration and temperature characterization of a wastewater hyporheic discharge system

A predictive model for time domain reflectometry soil water content and salinity measurements

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