Now showing items 31-40 of 67
Leveraging Technology to Add Value to a Phase II NPDES Permit
(Virginia Tech, 2013-06-03)
In 1999, Phase II of the National Pollutant Discharge Elimination System engaged operators of small Municipal Separate Storm Sewer Systems (MS4) in the control of runoff from urban areas. The complex task of urban runoff ...
GIS and Satellite Visibility: Viewsheds from Space
(Virginia Tech, 2005-04-28)
The Global Positioning System (GPS) has recently become the significant mapping tool for millions of customers worldwide, providing its users with accurate terrestrial positions almost instantaneously. The functionality ...
Economic Impact Assessment of IPM CRSP Activities in Bangladesh and Uganda: A GIS Application
(Virginia Tech, 2000-12-14)
<p> The purpose of this study is to assist planners and scientists in assessing the economic implications of the USAID-funded Integrated Pest Management-Collaborative Research Support Program (IPM CRSP) research activities. ...
Real-Time Spatial Monitoring of Vehicle Vibration Data as a Model for TeleGeoMonitoring Systems
(Virginia Tech, 2005-05-02)
This research presents the development and proof of concept of a TeleGeoMonitoring (TGM) system for spatially monitoring and analyzing, in real-time, data derived from vehicle-mounted sensors. In response to the concern ...
Geographic Analysis of Viticulture Potential in Virginia
(Virginia Tech, 1998-09-15)
The state of Virginia was analyzed to establish its suitability for grape culture. This investigation occurred in two phases: a small scale analysis that encompassed the entire state, and a large scale analysis which ...
The development of an interactive computer model for managing geologic hazard databases
(Virginia Tech, 1996)
A GIS-Based Optical Viewshed Optimization Algorithm
(Virginia Tech, 2007-05-31)
Traditional viewshed analyses distinguish between those areas which can be seen from a given observation point and those which cannot be seen. Given a surface digital elevation model (DEM) and observer properties (location ...
Management Planning and Habitat Modeling for Wild Turkeys (Meleagris Gallopavo Silvestris) in Virginia
(Virginia Tech, 2014-02-18)
The Virginia Department of Game and Inland Fisheries (VDGIF), prior to this study, knew little about stakeholder desires for wild turkeys, and had no modern means to assess turkey habitat. My objectives were to (1) identify ...
Land use influences on benthic invertebrate assemblages in southern Appalachian agricultural streams
(Virginia Tech, 1998-05-14)
I investigated the role of land use in structuring benthic invertebrate assemblages in agricultural streams in the French Broad River drainage in western North Carolina. I sampled six agricultural streams (3 with cleared ...
An Analysis of Emergency Vehicle Crash Characteristics
(Virginia Tech, 2003-08-07)
Crash data suggests that intersections are areas producing conflicts among the various road users because of entering and crossing movements. Traffic signal control systems may not always be sufficient in preventing ...