Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 72 for “"southeastern U.S."”.
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A meta-analysis of Holocene fluvial activity in the Southeastern U.S.
Flood hazard is a reality in the Southeastern U.S., which is exacerbated by the high uncertainty of flood hazard as a result of short, discontinuous stream gauge records. Extreme flood events captured in the instrumental record often represent outliers, however, paleorecords reveal these extreme …
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Productivity, Cost, and Technical Efficiency Evaluation of Southeastern U.S. Logging Contractors
A group of 35 loggers located across the southeastern United States provided 192 logger years of productivity and cost information. Information, including logger demographics, business, and operational data, was also collected through an interview process with the participants. Indicators of the …
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Reproductive Biology of the Bonnethead (Sphyrna tiburo) from the Southeastern U.S. Atlantic Coast
Understanding the life history of marine wildlife is essential for the management of both commercial and recreational fisheries. Bonnetheads (Sphyrna tiburo) are a component of the small coastal shark (SCS) fishery complex, and are caught regularly in both types of fisheries. Despite being well …
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Language policy implementers: Faculty perspectives on language policy at a Southeastern U.S. University
… on language policy, specifically at a southeastern university in the United States. This study employed multiple methods of research including a policy examination and a survey. These methods were selected in order to inspect de jure language policies at the national, state, governing …
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Cost and Productivity Analysis of Southeastern U.S. Logging Contractors from 1996 to 1997
A group of 22 independent southeastern U.S. logging contractors provided 44 contractor-years of detailed cost and production information. Information was collected on demographics, operational characteristics, and business strategies for the participants. Precipitation was statistically proven to …
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Relative Role of Uncertainty for Predictions of Future Southeastern U.S. Pine Carbon Cycling
… climate scenario uncertainty for predictions of Southeastern U.S. pine forest productivity. We applied a data assimilation using Metropolis-Hastings Markov Chain Monte Carlo to fuse diverse datasets with the Physiological Principles Predicting Growth model. The spatially and temporally diverse …
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Simulating Anthropogenic and Climatic Influences On Fluvial Sediment Load In the Southeastern U.S. and Central Europe
… construction, respectively. On average, major southeastern rivers currently transport even less sediment (16%) than prior to European settlement. Similarly, modeled results suggest that reservoir impoundment in the Danube watershed has reduced sediment flux to the Black Sea by approximately …
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Sediment Delivery Ratios and Areas of Forest Operational Features by Physiographic Groupings in the Southeastern U.S.
Forests of the Southeastern United States produce approximately 12% of all the world's wood products and represent 40% of all U.S. timberland, thus emphasizing the importance of Southeast in support of the United States' role as the world's largest timber producer. Producing such quantities of …
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Nutrient Retention and Cycling in Southeastern U.S. Loblolly Pine (Pinus taeda L.) and Sweetgum (Liquidambar styraciflua L.) Plantations
Forest plantations in the southeastern U.S. are fertilized to increase growth on infertile, sandy soils. Nitrogen (N) and phosphorus (P) are the most common growth limiting nutrients. A key question that arises following fertilization of these soils is whether the applied fertilizer benefits only …
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Modeling Plankton Community Structure Under Environmental Forcing on the Southeastern United States Continental Shelf
… associated with upwelling features on the outer southeastern U.S. continental shelf. Model equations describe the interactions of nitrate, ammonium, two phytoplankton size fractions, five copepod developmental stages, doliolids, and a detrital pool. Model dynamics are based primarily upon data …
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Potential Effects of Forestry Best Management Practices and Implementation Rates on Soil and Water Resources in the Southeastern United States
… BMP categories evaluated by states across the southeastern U.S. Although BMPs are designed to minimize erosion and sediment delivery, the exact relationship between BMP implementation rates, erosion rates, and potential sediment delivery is largely unexamined. Specifically, the inherently …
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The Effects of Mechanical Site Preparation Treatment and Species Selection on Survival and Carbon Pools in 12-Year-Old American Sycamore (<i>Platanus occidentalis</i>) and Willow Oak (<i>Quercus phellos</i>) Riparian Plantations in the Southeastern U.S. Piedmont
Riparian wetlands may provide numerous ecosystem services, including water quality protection, food and fiber supply, wildlife habitat, and carbon sequestration. In recent years, riparian forests have received increased attention and funding for riparian forest restoration projects. Unfortunately, …
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Assessment of Genetic Variation of Acer rubrum L. and Liriodendron tulipifera L. Populations in Unmanaged Forests of the Southeast United States
… L. are prolific throughout their ranges in the Southeastern U.S. and also have increasingly important roles in forestry and wood products in this region. The relatively low density and intermediate strength of the wood makes them versatile for use in many different wood products. Exploring the …
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Safety Training for Spanish-Speaking Workers in the Logging Industry in the Southeastern United States
Safety in logging operations in the Southeastern United States has long been an issue of concern. Recently, a growing number of Spanish-speaking workers have become employed in logging operations in the Southeastern U.S. There is a growing concern that injury and fatality rates could increase due …
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Investigating the pH of atmospheric fine particles and implications for atmospheric chemistry
… during the SOAS field campaign conducted in the southeastern U.S. in summer (pH = 0.94 ± 0.59), and then extended to aircraft observations in the northeastern U.S. in winter (WINTER study; pH = 0.77 ± 0.96) and ground observations in the coastal southwestern U.S. in early summer (CalNex study; …
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Urban Rainfall Interception of Evergreen and Deciduous Trees for the Southeastern United States
… processes for numerous species for the southeastern U.S. Knowledge gaps for urban rainfall interception specific to the southeastern U.S. describe the need for standard throughfall collection methods, a general lack of information for common species, and a weak understanding of …
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A Better Tropospheric Aerosol Analysis and Forecast Using Data Assimilation and Coupled Modeling
… 0.28 – 0.81 times fewer NMVOC emissions over the southeastern U.S. We found major metropolitan areas shifted toward NOx-limited conditions. However, meteorological changes caused a significant reduction in the HCHO column over the southeastern U.S, thus the region becoming sensitive to VOC …
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Analysis of the factors influencing multiple uses of crime guns: an exploratory study
… the police department of a mid-size city in the Southeastern U.S. to examine how neighborhood and initial incident characteristics influence the likelihood that a crime gun will be used in multiple incidents. Gang involvement and time in circulation are found to be positively related to the odds …
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The role of fairness, transparency, and feedback in driving motivation and performance among employees in incentive-based roles
… pool (N = 295) and employees from a large southeastern U.S. manufacturing organization (N = 91). Hierarchical multiple regression and moderation analyses revealed perceived pay fairness was a significant positive predictor of motivation in both samples. Reward transparency predicted …
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