Now showing items 31-40 of 67
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 ...
Exploring the “Where” and the “Why” of Conservation Easements: The Role of Community-level Factors in the Likelihood of Adoption
(Virginia Tech, 2016-12-09)
Over the past several decades conservation easements have seen immense growth in their popularity. There are now over 40 million acres of easement land in the United States, up from only 1.4 million in 1998. A significant ...
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 ...