Estimating number of trees, tree height and crown width using Lidar data
DR Unger, IK Hung, R Brooks… - GIScience & remote …, 2014 - Taylor & Francis
Estimating tree characteristics with field plots located in remote and inaccessible areas can
be a costly and timely endeavor. Light Detection and Ranging (Lidar) remote sensing …
be a costly and timely endeavor. Light Detection and Ranging (Lidar) remote sensing …
Modeling energy savings from urban shade trees: An assessment of the CITYgreen® energy conservation module
AD Carver, DR Unger, CL Parks - Environmental Management, 2004 - Springer
CITYgreen® software has become a commonly used tool to quantify the benefits of urban
shade trees. Despite its frequent use, little research has been conducted to validate results of …
shade trees. Despite its frequent use, little research has been conducted to validate results of …
Growth response of Pinus taeda L. to herbicide, prescribed fire, and fertilizer
…, HM Williams, KW Farrish, DR Unger - Forest Ecology and …, 2004 - Elsevier
The purpose of this study was to determine the relative effects of selected combinations of
herbicide, fire, and fertilizer treatments on the growth of mid-rotational loblolly pine (Pinus …
herbicide, fire, and fertilizer treatments on the growth of mid-rotational loblolly pine (Pinus …
Carbohydrate metabolism in pregnancy: XI. Response of plasma glucagon to overnight fast and oral glucose during normal pregnancy and in gestational diabetes
RR Daniel, BE Metzger, N Freinkel, GR Faloona… - Diabetes, 1974 - Am Diabetes Assoc
Plasma glucagon was examined after overnight fast and in response to 100 gm. oral glucose
in sixteen subjects with normal carbohydrate metabolism and in ten gestational diabetics …
in sixteen subjects with normal carbohydrate metabolism and in ten gestational diabetics …
[HTML][HTML] Assessing the Impacts of Climate Change on the At-Risk Species Anaxyrus microscaphus (The Arizona Toad): A Local and Range-Wide Habitat Suitability …
SM Driver, CB Eversole, DR Unger, DL Kulhavy… - Ecologies, 2023 - mdpi.com
Anaxyrus microscaphus (The Arizona Toad) is an at-risk species that is endemic to the
southwestern United States. Despite conservation concerns, little is known about the ecological …
southwestern United States. Despite conservation concerns, little is known about the ecological …
Comparison of AR. Drone quadricopter video and the visual CTLA method for urban tree hazard rating
DL Kulhavy, DR Unger, IK Hung, Y Zhang - Journal of Forestry, 2016 - academic.oup.com
The Parrot AR.Drone 2.0 unmanned aerial vehicle was used to assess the condition of 52
trees using a hazard rating system designed for an urban landscape. AR.Drone hazard ratings …
trees using a hazard rating system designed for an urban landscape. AR.Drone hazard ratings …
Integrating drones into a natural-resource curriculum at Stephen F. Austin State University
DR Unger, DL Kulhavy, IK Hung, Y Zhang… - Journal of …, 2019 - academic.oup.com
… Daniel R Unger , Daniel R Unger … are working toward integrating the use of drone technology
across the curriculum (DTAC) (Unger et al. 2018a). The purpose of this article, based on a …
across the curriculum (DTAC) (Unger et al. 2018a). The purpose of this article, based on a …
Measuring Building Height Using Point Cloud Data Derived from Unmanned Aerial System Imagery in an Undergraduate Geospatial Science Course.
D Kulhavy, I Hung, DR Unger, R Viegut, Y Zhang - Higher Education Studies, 2021 - ERIC
The use of Unmanned Aerial Systems (UAS), also known as drones is increasing in geospatial
science curricula within the United States. Within the Arthur Temple College of Forestry …
science curricula within the United States. Within the Arthur Temple College of Forestry …
Implementation of collaborative learning as a high-impact practice in a natural resources management section of freshman seminar
MW McBroom, SH Bullard, D Kulhavy, DR Unger - 2015 - scholarworks.sfasu.edu
Forestry and environmental science students enrolled in a one credit hour freshman seminar
course participated in a land management evaluation and water quality sampling excursion …
course participated in a land management evaluation and water quality sampling excursion …
Comparing remotely sensed Pictometry® Web-based height estimates with in situ clinometer and laser range finder height estimates
DR Unger, IK Hung, DL Kulhavy - Journal of Applied Remote …, 2014 - spiedigitallibrary.org
Heights of 30 light poles were measured with a telescopic height pole. Clinometer and laser
range finder in situ estimated light pole height was compared to Pictometry® estimated light …
range finder in situ estimated light pole height was compared to Pictometry® estimated light …