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Eastern hemlock (Tsuga canadensis) in New River Gorge National Park and Preserve: Trends, Concerns, and Management
(New River Symposium, 2022-04)The eastern hemlock (Tsuga canadensis) is a long-lived, shade-tolerant evergreen tree which grows throughout eastern North America, including within New River Gorge National Park and Preserve. Its dense foliage creates a ... -
Longitudinal assessment of estrogenic activity along the New River
(New River Symposium, 2022-04)The presence of endocrine disrupting compounds (EDCs) exhibiting estrogenic activity in aquatic environments has been recognized as a widespread, pervasive environmental issue since the mid-1990s. These estrogenic compounds ... -
Recreation Management Issues on Claytor Lake, Virginia
(New River Symposium, 2022-04)Perceptions of the recreation experience on Claytor Lake. -
No Stone Unturned: Studying Bluehead Chubs at Virginia Tech
(New River Symposium, 2022-04)The bluehead chub (Nocomis leptocephalus) is a common, medium-sized freshwater minnow found in streams across the southeastern United States. Each summer, mature male chubs construct mound nests out of thousands of pebbles ... -
Estimating County level Timber Volume in Virginia Using Small Area Estimation
(Virginia Tech, 2021-04-30)Accurate estimates of forest components such as, biomass, composition, or health are important for forest management and policy decisions. The USDA Forest Service Forest Inventory and Analysis (FIA) program serves as a ... -
Pine Plantation Identification using NAIP Imagery and a Convolutional Neural Network
(Virginia Tech, 2021-04-30)Pine plantations in the Southeastern United states are presently under-quantified using disturbance based metrics of forest change. Methods such as the Global Forest Change data-set have limited accuracy in identifying ... -
Assessment of the diurnal relationship of photochemical reflectance index to forest light use efficiency by accounting for sunlit and shaded foliage
(Virginia Tech, 2021-04-30)Gross Primary Productivity (GPP) is the amount of carbon fixed during photosynthesis by all producers in the ecosystem. GPP is dependent on light use efficiency (LUE), photosynthetically active radiation (PAR), and fraction ... -
Mapping Land use and Land Cover change on Brazil's land tenure categories using Google Earth Engine
(Virginia Tech, 2021-04-30)Brazilian territory expands up to 851.6 million ha, of which 44.2% land is privately owned, and 36.1% land is public owned.The privately owned land are registed under the nationwide tenure registries such as Cadastro ... -
Understanding multitemporal landscape dynamics through remote sensing and paleoecological modeling in the Virginia Tech Environmental Tracking Lab
(Virginia Tech, 2021-04-30)The Environmental Tracking Lab at Virginia Tech currently comprises five graduate students under the direction of Dr. Lisa Kennedy. Our team members have prior training in biogeography, physical geography, biology and ... -
Observing a Global Pandemic from Space: Evaluating Participatory Geographic Information Systems (PGIS) during the SARS-CoV-2 Pandemic
(Virginia Tech, 2021-04-30)When the novel SARS-CoV-2 virus emerged in December 2019, GIS technologies and web-based GIS dashboards were rapidly employed to share information regarding disease spread and impact on society. As GIS-based tools are ... -
Impacts of Nationwide Lockdown due to COVID 19 Outbreak on Air Quality in Bangladesh
(Virginia Tech, 2021-04-30)In Bangladesh, a nationwide lockdown was imposed on 26th March 2020. Due to restricted emissions, it was hypothesized that the air quality has been improved during lockdown throughout the country. The study is intended to ... -
Tracking Northern Appalachian Political Participation and its Consequences, 2000-2020
(Virginia Tech, 2021-04-30)Over the past twenty years, political participation levels have had significant impacts on the results of presidential elections. The Northern Appalachia region, defined by the Appalachian Regional Commission (ARC) to ... -
Effect of establishment fertilization on leaf area development of loblolly pine plantation stands in the southeastern United States
(Virginia Tech, 2021-04-30)Loblolly pine plantations in the southeastern United States are some of the most intensively managed forest plantations in the world. Within intensive management one common practice is fertilizing a stand/site at establishment. ... -
Assessing the utility of NAIP digital aerial photogrammetric point clouds for estimating canopy height of managed loblolly pine plantations in the southeastern United States
(Virginia Tech, 2021-04-30)Remote sensing offers many advantages to previous forest measurements, such as limiting costs and time in the field. Light detection and ranging (lidar) has been shown to enable accurate estimates of forest height. Lidar ... -
Preserving historical maps of Blacksburg, VA helps to focus archeological studies of Solitude
(Virginia Tech, 2021-04-30)By comparing historical maps to our current landscapes we can find historical buildings forgotten to time as a means of discovering and learning about our pasts. Unfortunately, we cannot reflect on our past without taking ... -
Mapping Atmospheric Drone Data and Sharing with ArcGIS Hub
(Virginia Tech, 2021-04-30)A drone, equipped with a temperature-humidity sensor, was used to collect atmospheric data at Bald Knob, the Virginia Tech Drone Park, and Huckleberry Trail. Data points were mapped into ArcGIS Pro and compared to data ... -
An Unsupervised Probabilistic Method for Large Scale Flood Mapping: Exploring Archive of Sentinel-1A/B Satellites over India
(Virginia Tech, 2021-04-30)Synthetic aperture radar (SAR) imaging provides an all-weather sensing technique that is suitable for near-real-time mapping of disasters such as floods. In this article, I use SAR data acquired by Sentinel-1A/B satellites ... -
High Resolution 3D Modeling Using Oblique Pictometry and Lidar Data
(Virginia Tech, 2021-04-30)As part of a larger project to develop a high resolution model of the Virginia Tech campus, we processed over 8,000 non-georeferenced aerial oblique images of Blacksburg area collected by Pictometry in 2019. We sequentially: ... -
Beaver-driven dynamics of a peatland ecotone: Identification of landscape features with Lidar and geomorphon analysis
(Virginia Tech, 2021-04-30)Beaver are renowned for their role as ecosystem engineers. Their ponds and vegetation consumption can greatly alter local hydrology and ratios of meadow to woodland. Beavers also actively buffer their environments against ... -
Effects of Clearing Linear Features through Forest Patches in WV and VA
(Virginia Tech, 2021-04-30)Recent pipeline construction through predominantly forested mountain areas presents many concerns for environmentalists. Impacts from construction are often measured in total area of forest removal, but this may not capture ...
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