Now showing items 1-10 of 89
Lyme Disease Emergence in Virginia: An Examination of the Demographic and Environmental Variables Correlated to the Spatial Pattern of Disease Incidence
(Virginia Tech, 2013-06-06)
Since its initial identification in 1975, Lyme disease has become a public health concern in the U.S. Increased concern is sparked by the rapid rate at which the disease is emerging into new areas. One area of disease ...
Site Characterization, Sustainability Evaluation and Life Cycle Emissions Assessment of Underground Coal Gasification
(Virginia Tech, 2012-09-06)
Underground Coal Gasification (UCG), although not a new concept, is now attracting considerable global attention as a viable process to provide a â cleanâ and economic fuel from coal. Climate change legislation and the ...
An Analysis of National HIV/AIDS Education Efforts Among 15-39 Year Olds and Health Care Workers Applying the Health Belief Model (HBM) in Six Cities in Sonsonate, El Salvador
(Virginia Tech, 2009-01-27)
This descriptive research used the Health Belief Model (HBM) to assess HIV/AIDS knowledge, perceived severity, perceived susceptibility, and behavioral practices within the population throughout the State of Sonsonate, El ...
Future Lyme Disease Risk in the Southeastern United States Based on Projected Land Cover
(Virginia Tech, 2018-06-27)
Lyme disease is the most significant vector-borne disease in the United States. Its southward advance over the last several decades has been quantified, and previous research has examined the potential role of climate ...
Balancing competing development objectives in the Trifinio region of Central America: economic and social development and environmental protection
(Virginia Tech, 2008-08-04)
This dissertation contains three related papers. The first paper revisits the concept of integrated rural development and provides examples on how to design balanced development work programs for the Trifinio region, a ...
Using Qualitative Geographic Information Systems to Explore Gendered Dimensions for Conservation Agriculture Production Systems in the Philippines: A Mixed Methods Approach.
(Virginia Tech, 2013-05-14)
This research identifies gender-based constraints and opportunities for the adoption of conservation agriculture production systems (CAPS) based on a case-study with smallholder farmers in two villages in Misamis Oriental, ...
Positional accuracy in a natural resource database :comparison of a single-photo resection versus affine registration
(Virginia Tech, 1995-04-05)
Modeling Flash Floods in Small Ungaged Watersheds using Embedded GIS
(Virginia Tech, 2006-01-27)
Effective prediction of localized flash flood regions for an approaching rainfall event requires an in-depth knowledge of the land surface and stream characteristics of the forecast area. Flash Flood Guidance (FFG) is ...
Development of Standard Geodatabase Model and its Applications for Municipal Water and Sewer Infrastructure
(Virginia Tech, 2010-02-03)
Availability of organized data is required for accurate prediction of structural or functional deterioration in sewer and water pipes. Toward this end, GIS provides a means for viewing, understanding, interpreting, and ...
Spatial Distribution of Four Exotic Plants in Relation to Physical Environmental Factors with Analysis using GIS
(Virginia Tech, 2009-01-30)
The spatial distributions of four plant species native to Asia, yet considered invasive in southwestern Virginia, were studied in order to produce predictive habitat maps. The study took place in the mountains to the north ...