UNT Scholarly Works - 59 Matching Results

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The 2017 Report of The Lancet Countdown on Health and Climate Change: From 25 years of inaction to a global transformation for public health
This article summarizes key messages from 40 indicators in the Lancet Countdown's 2017 report.
Adjusting Sowing Dates Improved Potato Adaptation to Climate Change in Semiarid Region, China
This article examines how potato production can be improved by altering planting date in China’s semiarid region, thus improving potato adaptation to climate change.
Archaeology, Heritage, and Moral Terrains: Two Cases from the Mesa Verde Region
This article applies an environmental justice lens to two archaeological research narratives, one centering on chemical analysis of biomolecular artifact residues and the other on paleohydrology and Pueblo farming.
The Association between Hantavirus Infection and Selenium Deficiency in Mainland China
This article studies the role of selenium concentration in hemorrhagic fever with renal syndrome (HFRS) caused by hantaviruses, using a multidisciplinary approach combining ecological analysis with preliminary experimental data.
Biomass burning drives atmospheric nutrient redistribution within forested peatlands in Borneo
This article quantifies the influence of fire on biogeochemical fluxes of nitrogen, phosphorus, and sulfur in a 12 ha forested peatland in West Kalimantan, Indonesia.
Book Review:Quantitative Paleozoology
Book Review of "Quantitative Paleozoology" written by R. Lee Lyman.
Book Review: The Forest Unseen: A Year's Watch in Nature
Book Review of "The Forest Unseen: A Year's Watch in Nature" written by David George Haskell.
Book Review: The Pursuit of Ecotopia: Lessons from Indigenous and Traditional Societies for the Human Ecology of Our Modern World
Book Review of "The Pursuit of Ecotopia: Lessons from Indigenous and Traditional Societies for the Human Ecology of Our Modern World" written by Eugene N. Anderson.
Buruli Ulcer Disease and Its Association with Land Cover in Southwestern Ghana
This article presents the first analysis of Buruli ulcer at the village level in southwestern Ghana, where prevalence rates are among the highest globally, and explores fine and medium-scale associations with land cover by comparing patterns both within Buruli ulcer clusters and surrounding landscapes.
Climate change and human infectious diseases: A synthesis of research findings from global and spatio-temporal perspectives
This article shows that over the past few decades, the reported negative or uncertain responses of infectious diseases to climate change has been growing.
Combining Spatial-Temporal and Phylogenetic Analysis Approaches for Improved Understanding on Global H5N1 Transmission
This article reports an interdisciplinary effort that combines the geospatial informatics approach with a bioinformatics approach to form an improved understanding on the transmission mechanisms of H5N1 virus.
Comparison of different methods for monitoring glacier changes observed by Landsat images
This paper presents three methods for classifying glacier boundaries, compares the three methods to provide advice on how to choose an appropriate method, and analyzes the relationship between glacier change and the trends of precipitation and temperature.
A comparison of least squares regression and geographically weighted regression modeling of West Nile virus risk based on environmental parameters
This article discusses the effectiveness of utilizing local spatial variations in environmental data to uncover the statistical relationships between West Nile Virus (WNV) risk and environmental factors.
Controlling Gully Erosion with Earth Dams in North-Central Texas
This article describes the use of earth dams for controlling gully erosion in part of the Eastern Cross Timbers of North-Central Texas.
Creased-Plastic Rock Permeameter for Hydrogeology Students
This article discusses the use of creased-plastic permeameters as an inexpensive way for students to estimate the hydraulic conductivity of local rock aquifers.
Delta-Flux: An Eddy Covariance Network for a Climate-Smart Lower Mississippi Basin
This article describes the rationale to create the new Delta-Flux network, which will coordinate efforts to quantify carbon and water budgets at seventeen eddy covariance flux tower sites in the Lower Mississippi River Basin.
Detecting Stems in Dense and Homogeneous Forest Using Single-Scan TLS
This article presents a new method to automatically detect stems in dense and homogeneous forest using single-scan terrestrial laser scanning (TLS) data.
Editorial: Applications of Light Detection and Ranging (LiDAR) in Geosciences
This article contains an editorial on applications of Light Detection and Ranging (LiDAR) in Geosciences.
Efficiency Comparison of Variably-Spaced, Non-Pumped Wells for Filtering Polluted Groundwater
This article investigates the capability of variably-spaced arrays of non-pumped wells, filled with reactive media, to filter a hypothetical contaminant plume.
Estimating FPAR of Maize Canopy Using Airborne Discrete-Return LiDAR Data
This article tests a method to estimate the fraction of absorbed photosynthetically active radiation (FPAR) of maize from airborne discrete-return LiDAR data.
Estimating Individual Tree Height and Diameter at Breast Height (DBH) from Terrestrial Laser Scanning (TLS) Data at Plot Level
This article explores the methods of using terrestrial laser scanning (TLS) technology to obtain point cloud data and estimate individual tree height and diameter at breast height (DBH) at plot level in regions with complex terrain.
Ethics Gaming Survey Results
Dataset generated for a National Science Foundation grant project, "EAGER: Prototyping a Virtue Ethics Game." These files contain the research results of the pre-test and post-test surveys.
Ethnobiology 5: Interdisciplinarity in an Era of Rapid Environmental Change
This article argues that ethnobiology is preadapted to be a scholarly umbrella for a number of disciplines that concern human-environment interactions, suggesting that two goals of Ethnobiology 5 are to bridge traditional academic boundaries in order to broaden the community of ethnobiologists, and to capitalize on and communicate the relevance of ethnobiological scholarship for solving problems related to contemporary environmental and cultural crises.
Evaluation of Climate Change Impacts on Wetland Vegetation in the Dunhuang Yangguan National Nature Reserve in Northwest China Using Landsat Derived NDVI
This article uses 41 Landsat images between 1988 and 2016 to calculate the normalized difference vegetation indices (NVDIs) of the wetland vegetation at Xitugou (XTG) and Wowachi (WWC) inside the Dunhuang Yangguan National Nature Reserve in northwest China in order to assess the impacts of climate change on wetland vegetation.
Evaluation of Threshold Selection Methods for Adaptive Kernel Density Estimation in Disease Mapping
This article assesses the relative performance of threshold selection methods in terms of resolution and reliability for disease mapping.
Evaluation Of WEPP For Runoff And Sediment Yield Prediction On Natural Gas Well Sites
This article discusses the evaluation of Water Erosion Prediction Project (WEPP) for runoff and sediment yield prediction on natural gas well sites, instead of focusing only on the effects on fields, rangelands, and forests.
Forest above Ground Biomass Inversion by Fusing GLAS with Optical Remote Sensing Data
This article describes a study combining Geoscience Laser Altimeter System (GLAS) data with MODIS/BRDF (Bidirectional Reflectance Distribution Function) and ASTER GDEM data to estimate forest aboveground biomass in Xishuangbanna, Yunnan Province, China.
Geographic Distribution of HIV/AIDS in Texas
This presentation is part of the faculty lecture series UNT Speaks Out on HIV/AIDS. This presentation discusses the geographic distribution of HIV/AIDS in Texas and the associated factors.
Geophysical Prospecting for Oil and Gas Well Effluent
This article describes the evaluation of the utility of an earth resistivity system for detecting drilling effluent at a site in the Trinity Group outcrop zone.
A Graben in the Eagle Ford Shale, Lewisville, Texas
This article describes a graben bounded by normal faults in an outcrop of the Eagle Ford formation within Denton County.
Growth dynamics of tropical savanna grasses: from individual shoots to plant models
Paper presented at the First Biennial Meeting of the International Environmental Modelling and Software Society in 2002. This paper discusses growth dynamics of tropical savanna grasses from individual shoots to plant models.
Health and Climate Change: policy responses to protect public health
This article summarizes key messages from the 2015 Lancet Commission on Health and Climate Change, accompanied by ten underlying recommendations to accelerate action in the next 5 years.
A History of Geography at the University of North Texas
This article provides a history of the Geography Department at the University of North Texas.
Hydrogeology Lessons and Exercises for Introductory Physical-Geology Students
This article describes the creation of instruction models for an undergraduate physical-geology course.
Improved bore-sight calibration for airborne light detection and ranging using planar patches
This article proposes an improved method for bore-sight calibration based on the principles of symmetry of coordinate offsets and low correlations between bore-sight angles.
The Industrial Geography of Toxic Chemical Generation, Release and Management in Texas
This article examines overall trends in toxic chemical generation, releases and management in Texas from 1995 to 1999 within the broad context of sustainable industrial production.
Instrument, System and Method for Automated Low Cost Atmospheric Measurements
Patent relating to an instrument, system and method for automated low cost atmospheric measurements.
The Lancet Countdown: tracking progress on health and climate change
This article outlines the potential indicators and indicator domains to be tracked by the Lancet Countdown working groups, with suggestions on the methodologies and datasets available to achieve this end.
LiDAR Data for Characterizing Linear and Planar Geomorphic Markers in Tectonic Geomorphology
This paper provides a brief review of airborne light detection and ranging (LiDAR) data for characterizing linear and planar geomorphic markers in tectonic geomorphology, including traces of active faults and surface deformation caused by earthquakes. Challenges and opportunities of LiDAR for the study of tectonic geomorphology and coseismic deformation are also discussed.
Light detection and ranging and hyperspectral data for estimation of forest biomass: a review
This review addresses the status of hyperspectral data, LiDAR data, and the fusion of these two data sources for forest biomass estimation in the last decade.
Lightning, Downed Power Line Form Intriguing Rock Structure in Denton, Texas
This article describes a vitrified soil structure, formed by atmospheric and human activity, possessing characteristics of igneous and metamorphic rocks.
A Low-Cost GPS-Based Protocol to Create High-Resolution Digital Elevation Models for Remote Mountain Areas
This article describes the use of a low-cost GPS-based protocol to construct a high-resolution digital elevation model for a rugged, remote mountain site in the northern Peruvian Andes.
Mapping Mountain Pine Beetle Mortality through Growth Trend Analysis of Time-Series Landsat Data
This article presents a forest growth trend analysis method that integrates Landsat temporal trajectories and decision tree techniques to derive annual forest disturbance maps over an 11-year period.
Meta-discoveries from a synthesis of satellite-based land-cover mapping research
This article provides a spatialized database of scientific literature in English about land-cover mapping.
Monitoring Annual Urban Changes in a Rapidly Growing Portion of Northwest Arkansas with a 20-Year Landsat Record
This article employs a time series Landsat stack covering the period from 1995 to 2015 to detect the urban dynamics in Northwest Arkansas via a two-stage classification approach.
Nitrate and Chloride Concentrations in Groundwater beneath a Portion of the Trinity Group Outcrop Zone, Texas
This article discusses a study in which the authors evaluated spatial distributions of nitrate and chloride concentrations in groundwater in an area of north-central Texas with agricultural activity, in addition to oil and natural gas exploration and activity.
Nitrate, Arsenic and Selenium Concentrations in The Pecos Valley Aquifer, West Texas, USA
This article discusses nitrate, arsenic, and selenium concentrations in the Pecos Valley Aquifer in west Texas in the context of local geology and land use.
Oil Production and Groundwater Quality in the Edwards-Trinity Plateau Aquifer, Texas
This article suggests that evaporite dissolution and oilfield brine locally impact the Edwards-Trinity Plateau Aquifer, but the problem is not regionally pervasive.
Performance Comparison of Passive Structures with Multiple Gates and Funnels for Capturing Contaminated Groundwater
This article describes the evaluation of the capability of passive interceptors with multiple gates for directing the flow of contaminated groundwater.
Potential Hazards of Wind Energy For Rare, Threatened, and Endangered Birds and Batsin Texas
This article discusses the potential hazards of wind energy for rare, threatened, and endangered birds and bats in Texas.