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 55 for “"Spatial analyses"”.
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Heat Waves, Early Birth, and Vulnerable Populations: Epidemiological and Spatial Analyses in the United States
… or social deprivation). In Aim 3 we evaluate spatial patterns in overlapping social vulnerability and heat in nine western US cities during the series of heat waves that occurred in June-July 2021. For Aims 1 and 2, we obtained temperature data from the novel High-resolution Urban Meteorology …
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Decisions Set in Stone: Spatial Analyses of Ozark Rock Art Sites, Elements, and Motifs with GIS
… uses Geographic Information Systems (GIS) to spatially analyze rock art distributions in the Salem Plateau section of the Arkansas Ozarks. Statistical tests, such as chi-square and t-testing, are applied to provide an objective view of rock art patterning in relation to the overall landscape. …
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Analytical and Spectro-Spatial Analyses of Nonlinear Metamaterials for Vibration Control, Energy Harvesting, and Acoustic Non-Reciprocity
… resonators using analytical and spectro-spatial analyses. In the first part of the thesis, the nonlinear metamaterials are modeled as a chain of masses with multiple local resonators attached to each cell. The nonlinearity stems from the chain's stiffness in one case and the local …
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Spatial and non-spatial patterns of genetic diversity in Neotropical bats
… I divided the study into two classes of analyses: non-spatial and spatial. In my non-spatial analyses, I estimated nucleotide diversity per bat species or OTU, and compared it to 19 environmental factors, two vegetation indices, five ecological traits, and phylogenetic family membership. …
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The Immigrant-Criminality Paradox: A Macro-Level Analysis of the Relationship Between Immigration and Violent Crime in San Antonio, Texas
… and violent crime would be present. Spatial analyses were conducted in addition to hierarchical regression analyses and correlation analyses to determine the relationships between Mexican-Immigrant concentration, violent crime, and concentrated disadvantage. While the spatial analyses …
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A CyberGIS environment for spatiotemporal analysis: a case study of China mortality data
… to allow a number of users to execute multiple spatial analyses simultaneously on the backend powerful cyberinfrastructure. The user-centric interface of the CyberGIS application provides transparent access to cyberinfrastructure resources, which helps make the application scalable to the …
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GIS Aided Radio Wave Propagation Modeling and Analysis
… features are modeled in GIS by appropriate spatial analyses.
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Investigations of White -Tailed Deer Infestation by Ixodes Scapularis on the Illinois River, USA
… system (GIS) was used in conjunction with spatial statistics to determine the spatial pattern of hunter-killed deer along the river. The results demonstrated that deer are clustered and their distribution is best explained by riverine forest cover. Bivariate and nearest-neighbor spatial …
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Population health in Namibia: an analytical approach
… were assessed in descriptive, multivariable and spatial analyses. Results: In this DHS population, chronic disease prevalence was high (HIV: 13.9%; hypertension: 36.9% and hyperglycaemia: 5.4%). However, co-morbidity of these conditions was low. Malaria control intervention coverage was below …
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Exploring the Health Benefits of Nature for Children in Urban, Suburban, and Rural Settings
… approach, this thesis uses (a) surveys and spatial analyses within a geographic information system framework to examine how individual-level and environmental factors are associated with children’s health-related quality of life (HRQOL), and (b) semi-structured focus groups with children to …
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Using Geographical Information Systems to Investigate Spatial Patterns in Fossils of Tapirus polkenis from the Gray Fossil Site, Washington County, Tennessee
… <em>Tapirus polkensis</em>, characterizing the spatial patterns exhibited. These analyses determined the importance of taphonomic and depositional processes that occurred during the sites formation. Six characteristics were analyzed, four at the bone level including carnivore utilization, …
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Gender inequality and food security in a changing climate: a spatial analysis using Nigerian general household survey
This study investigates the spatial and gender dynamics of food insecurity in Nigeria, a country besieged by rising inequality and climatic vulnerabilities. The thesis estimates and analyses how climate-related risk differentials influences both genders, especially women with particular interest on …
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Machine learning analytics for predictive breeding
… of stress tolerance and resistance. Established spatial models developed for continuous quantitative traits were unknown whether they can effectively adjust the spatial autocorrelation for ordinal traits with sharp transitions patterns among groups of plots in experimental field trials. The …
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Investigating patterns in stream temperature and restorable alluvial water storage for climate resilience of freshwater habitat for salmon and trout
… I applied a systematic method for identifying spatial patterns in stream temperature and prioritizing restoration locations for climate adaptation. I made use of available data derived from airborne thermal infrared imagery to identify spatial patterns of stream temperature in the Teanaway …
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Conservation Genetics of Threatened Gopher Tortoises, <i>Gopherus polyphemus</i>: An Assessment of Genetic Variation and Parentage in Two Populations in South Mississippi
… reproductive success among adult tortoises, and spatial analyses revealed strong colony fidelity within populations even across several years.</p>
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Putting Forts in their Place: The Politics of Defense in Antigua, 1670-1785
… these sites, I use archaeological, archival, and spatial analyses to investigate their ability to provide the types of external defenses they were designated for, as well as test the corollary explanation that the forts played a role in providing internal security for the island. Neither paradigm, …
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Changing land use / land cover around an urban estuary : implications for ecosystem functioning
The changing spatial and temporal patterns in land use/land cover surrounding Zandvlei estuary were investigated over the period 1944 to 2005. Changes in the extent of four terrestrial and two aquatic land use/land cover categories were mapped from high quality aerial photographs using ArcView GIS. …
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GIS-based Planning Support System for transportation and industrial location analyses : a case study of the cokemaking sector in Shanxi Province, China
… a plant manager can use the SPGPSS to conduct spatial analyses and multi-plan valuations for an individual plant in the planning of transport routes and new plant location. By the applications of SPGPSS, I tested my hypothesis that combining cokemaking plants into several large-capacity plants …
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GIS-based spatial analysis coupled with geophysical imaging to identify and evaluate factors that control the formation of karst sinkholes in southwestern Missouri
… approach encompassing regional scale GIS-based spatial analyses and site-specific geophysical data. GIS-based spatial analysis was employed to identify significant physical factors that appeared to influence the formation and distribution of sinkholes. Seven out of the twelve most cited factors …
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Diagenesis and geochemical stratigraphy of Upper Pennsylvanian madera brachiopods, New Mexico
… sections, elemental and petrographic analyses suggest that Jemez Springs is closer to Penasco Uplift than Battleship Rock. Seawater at Jemez Springs is more aerobic, and the water chemistry is more influenced by continental sources than that at Battleship Rock. In addition, there is a …
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