CSU Theses and Dissertations
This collection contains electronic copies of CSU theses and dissertations submitted since fall 2011. Theses and dissertations submitted before fall 2011 are sometimes available in electronic form here if a researcher requested that they be added to the repository. Please note that for works submitted since fall 2011, a small number of works are embargoed until the release date given, and others are restricted to the CSU community. Print copies of theses and dissertations submitted prior to fall 2011 are available in the Libraries.
Theses and dissertations from 1980 to the present are linked to the author's respective CSU department or program; pre-1980 works are not linked to a department or program.
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Recent Submissions
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Soil textural control over decomposition and soil organic matter dynamics
Soil texture is an important factor that influences litter decomposition and soil organic matter (SOM) dynamics, but few experiments have addressed specific mechanisms. Even less work has been done to answer the question ... -
Selection of modeling and monitoring strategies for estuarine water quality management
Estuarine water quality management is challenging owing to the complex hydrodynamics, water quality kinetics, international and domestic legislation, and human impact that take place in an estuarine environment. Scientists ... -
Water-quality data analysis protocol development
Several agencies have developed networks to routinely monitor water quantity and quality in an attempt to assess society's influence on the environment, including the impacts of modern agriculture. Data from these networks ... -
Transport of copiotrophic bacteria in oligotrophic coarse soils : a Monte Carlo analysis
On-site wastewater treatment systems placed in coarse-grained, oligotrophic soils such as those typically found in the mountainous regions of the West are designed and installed with the assumption that most pathogenic ... -
Evaluation of alternative design flow criteria for use in effluent discharge permitting
A design flow Is the value used to represent upstream or dilution flow in the calculation of effluent permit limits under the National Pollutant Discharge Elimination System (NPDES). The7Q10 low-flow statistic, or the 7-day ... -
Extraction and fermentation of ensiled sweet sorghum
Sweet sorghum, variety Rio, was ensiled for 10 months prior to being subject to extraction studies using a pilot scale continuous countercurrent diffuser. An objective of the study was to see how control of liquid-solid ... -
Solute transport in variably saturated flow in porous media with dual porosity
The transport of chemicals through solid waste disposal piles presents a potential source of surface and groundwater contamination. In an effort to determine the scope of the potential hazard, many laboratory tests have ... -
Ecology of desert bighorn sheep in Colorado
Desert bighorn sheep (Ovis canadensis nelsoni & mexicana) were transplanted into western Colorado in 1979, 1980 and 1981. The ecology of these sheep following transplanting was studied during 1982 and 1983. The population ... -
Framework for development of data analysis protocols for groundwater quality monitoring systems
Protocols for field sampling and laboratory sampling are used on a routine basis to produce accurate and precise water quality data. Efforts are now being focused on providing decision makers with the information they need ... -
Optimal design of groundwater quality monitoring networks
This research focuses on the optimal design of groundwater quality monitoring networks. The optimization technique developed allows for incorporation of both the model structure, data error, and model parameter uncertainty ... -
Modeling the stream temperature regime of the East Fork of the Virgin River in Zion National Park
The following stream temperature study was conducted as part of a general study by the Water Rights Branch, Water Resources Division, National Park Service, to evaluate the physical habitat of the aquatic organisms within ... -
Statistical analysis of water quality data affected by limits of detection
Many water quality problems are related to substances which are present at concentrations too low to be measured precisely. Obtaining information from a monitoring system which produces many results near the fringes of ... -
Physical microhabitat of trout
The physical microhabitat of stream-dwelling fishes is relatively unknown. Work done with albino brook trout suggests the operation of a previously unreported scheme of fish habitation, the focal point concept. This concept ... -
Solute transport in overland flow during rainfall
A numerical model was developed to simulate the movement of a conservative solute in steady overland flow over a smooth impervious plane under a constant rainfall intensity. This movement was described by shear-flow ... -
Design methodology for a large scale soil absorption bed for septic tank effluent
In recent years there has been much interest expressed by small communities in alternatives to the conventional, centralized chemical-biological wastewater treatment system. One of the alternatives is a large scale soil ... -
Labeling of nonstructural carbohydrates in winter wheat stems
Fructans are polymers of fructose, which contain a terminal or subterminal glucose moiety. The biosynthetic pathway for the levan-type of fructan, found in wheat, has not been elucidated. These compounds are a significant ... -
Water quality assessment with routine monitoring data
Federal legislation in recent years has required the states to develop water quality management programs which include stream standards and river monitoring. Water quality data, routinely collected by state and federal ... -
Comparative winter nutrition of elk in the Jemez Mountains, New Mexico
Diet quality and nutritional status of elk {Cervus elaphus nelsoni) were studied in the Jemez Mountains, New Mexico, during January-April 1980. A recently burned montane area, including portions of Bandelier National ... -
Dispersion in bi-modal oil shales
A series of leaching column experiments were conducted using 3 different grain sizes of spent oil shale from the Paraho retorting process. Electrical conductivity breakthrough data produced at 3 different seepage velocity ... -
Optimizing salinity control strategies for the upper Colorado River Basin
Salinity is the most serious water quality problem in the Colorado River Basin. The impact, felt largely in the Lower Basin, is acute because the basin is approaching conditions of full development and utilization of all ...
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