UNT Scholarly Works - 110 Matching Results
Search Results
- Hydrogeology Lessons and Exercises for Introductory Physical-Geology Students
- This article describes the creation of instruction models for an undergraduate physical-geology course.
- Impactos Potenciales de los Cambios Climaticos Globales en los Sistemas Agricolas y en los Ecosistemas Terrestres de Venezuela: Resultados Preliminares
- Report on the potential impacts of global climate change in the farming systems and terrestrial ecosystems in Venezuela.
- 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.
- Informacion Ambiental y Ecologica Sobre los Llanos del Rio Orinoco: Proyecto Orinoco-Apure: Seccion 3
- This report is section three of a study of the Llanos del Rio Orinoco. The aim of the study is to establish relationships between the characteristics of plant communities of the Central Plains of Venezuela and geomorfogenetica and pedogenic evolution during the Quaternary.
- Informacion Ambiental y Ecologica Sobre los Llanos del Rio Orinoco: Proyecto Orinoco-Apure: Secciones 1 y 2
- This report includes sections one and two of a study of the Llanos del Rio Orinoco. The aim of this study is to establish relationships between the characteristics of plant communities of the Central Plains of Venezuela and geomorfogenetica and pedogenic evolution during the Quaternary.
- Instrument, System and Method for Automated Low Cost Atmospheric Measurements
- Patent relating to an instrument, system and method for automated low cost atmospheric measurements.
- Interdisciplinary progress in food production, food security and environment research
- Article discussing interdisciplinary progress in food production, food security and environment research.
- Introduction to the Special Section on Geography
- Introduction to the Special Section on Geography featured in the 2011 edition of The Eagle Feather.
- 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.
- Leaf spectra and weight of species in canopy, subcanopy, and understory layers in a Venezuelan Andean Cloud Forest
- Article discussing leaf spectra and the weight of species in canopy, subcanopy, and understory layers in a Venezuelan Andean cloud forest.
- 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.
- Modelos de interacción humano-ambiental: el enfoque de la Biocomplejidad
- Article discussing models of human-nature interactions and a biocomplexity approach.
- Modelos de Simulación a Diferentes Escalas de la Dinámica del Bosque Tropical. Reserva Forestal Imataca. Sector Central.
- Thesis submitted to the National Experimental University of Guayana as partial requirement for the degree of Master of Science in Environmental Science. This thesis discusses simulation models at different scales of tropical forest dynamics.
- 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.
- The overkill model and its impact on environmental research
- This article uses a citation analysis of selected works of the main proponent of the overkill model, Paul Martin, to evaluate how different disciplines interpret and use the overkill model.
- PAN-EARTH/CEACT International Workshop on Climate Variability and Climate Change in Venezuela and the Caribbean Region
- Report on an international workshop on climate variability and climate change in Venezuela and the Caribbean region.
- PAN-EARTH/FONAIAP Workshop on Crop Model Training and Calibration
- This report discusses a PAN-EARTH / Fondo Nacional de Investigaciones Agropecuarias (FONAIAP) Workshop on Crop Model Training and Calibration.
- PAN-EARTH Project: Summary of Annual Report 1989-1990
- This report is a summary of the PAN-EARTH Project Annual Report from 1989-1990.
- PAN-EARTH Sub-Saharan Africa Workshop Report
- Report on the PAN-EARTH Sub-Saharan Africa Workshop. This workshop focused on the effects of global climate changes on the agriculture and ecology of the countries of sub-Saharan Africa.
- 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 Evapotranspiration Reduction and Its Influence on Crop Yield in the North China Plain in 1961–2014
- Article examines the spatiotemporal characteristics of climate variables, such as humidity index, precipitation, and potential evapotranspiration (ET0) from 1961 to 2014 in the North China Plain (NCP).
- 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.
- Propuesta metodológica para el control de calidad de datos de precipitación
- Article discussing a methodological proposal for the quality control of precipitation data.
- Proyecto Orinoco - Apure: Informacion ambiental y ecologica sobre los llanos del rio Orinoco. Seccion 3
- Report for the Project Orinoco - Apure. This report discusses environmental and ecological information on the plains of the Orinoco river.
- Proyecto Orinoco - Apure: Información sobre el Delta del Rio Orinoco y otros Sistemas Deltaicos Tropicales
- Report for the Project Orinoco - Apure. This report discusses information on the Orinoco river delta and other deltaic tropical systems.
- Proyecto PAN-EARTH Estudio de Caso Venezuela: Informe de Actividades Octubre 1988 - Marzo 1990
- This is the activity report for the PAN-EARTH Project Case Study Venezuela from October 1988 to March 1990.
- The psychosocial burden of women seeking treatment for breast and cervical cancers in Ghana’s major cancer hospitals
- Article discusses how breast and cervical cancers remain the most common cancers and the leading cause of cancer deaths in Ghana. Authors state that there is a need for liaison psychiatrists and health psychologists to assist oncologists to provide psychological support such as free and routine counselling services for cancer patients and their caregivers.
- Relaciones alométricas y patrones de crecimiento para especies de árboles de la reserva forestal Imataca, Venezuela
- Article discussing allometric relations and growth patterns for tree species in the Imataca Forest Reserve, Venezuela.
- A rich Internet application for automated detection of road blockage in post-disaster scenarios
- This paper presents the development of a rich Internet application for automated detection of road blockage in post-disaster scenarios using volunteered geographic information from OpenStreetMap street centerlines and airborne light detection and ranging (LiDAR) data.
- Rocket Recovery Systems for High Power Model Rocketry
- This presentation discusses research on rocket recovery systems for high power model rocketry using Arduino microprocessors with GPS and GSM shields for tracking. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
- The Shadow Effect on Surface Biophysical Variables Derived from Remote Sensing: A Review
- Article states that the main objective of this study was to review the recent literature on the shadow effect in remote sensing. An overview of the proposed methods for identifying and removing the shadow effect is presented.
- Simulación de la dinámica de grupos de especies vegetales en un bosque de los Llanos occidentales Venezolanos
- Article discussing the simulation of plant species groups dynamics in a Venezuelan western plains forest.
- Simulación de la dinámica de un bosque tropical en los Llanos occidentales de Venezuela
- Article discussing the simulation of the dynamics of a tropical forest in the Western Llanos of Venezuela.
- Soil Diversity as Affected by Land Use in China: Consequences for Soil Protection
- This article reports the first effort to assess the impact of land-use change on soil diversity for the entire nation of China.
- Solar Powered PIR Security System to Monitor Wildlife
- This poster discusses research on building a solar powered PIR security system to monitor wildlife. Researchers introduce the concept of off-grid wildlife video monitoring using a security system, a microcontroller, passive infrared motion sensor and the solar panels with a battery bank.
- Solar Powered Security Systems to Monitor Wildlife
- This poster discusses research on creating a solar powered wildlife monitoring system using a security system, Arduino, PIR motion sensor and solar panels with a battery bank.
- Spatial Distribution of Solutes in Aquifer Outcrop Zones along the Brazos River, East-Central Texas
- Article discussing the spatial distribution of solutes in aquifer outcrop zones along the Brazos River, East-Central Texas.
- Spatio-Temporal Distribution of Malaria in Yunnan Province, China
- This article describes the use of GIS techniques to conduct temporal and spatial analyses of both P. vivax and P. falciparum malaria to understand the trend and dynamics of transmission, to identify risk periods and areas, and to determine environmental factors associated with increased risk of malaria.
- Sustainable Science? Reducing the Carbon Impact of Scientific Mega-Meetings
- This article uses 9 years of annual meeting attendance data from the Ecological Society of American and the Association of American Geographers to assess the efficacy of two additional solutions: 1) alternate large national meetings that require significant air travel with smaller regional meetings that do not; and 2) incorporate geography into the meeting location selection process.
- Taller de Trabajo: Evaluacion de Impactos de Cambios Climaticos Globales sobre el Sistema Agricola Venezolano
- This report discusses the Assessment of Impacts of Global Climatic Changes on the Venezuelan Agricultural System Workshop, as part of the PAN-EARTH Project, Venezuela case study.
- Taller de Trabajo sobre evaluación de los Efectos Ecológicos de los Cambios Climáticos Globales
- This report discusses the Ecological Effects Assessment of Climatic changes in Venezuela Workshop, organized by the PAN-EARTH Project and the Centre for Ecology of the Venezuelan Institute for Scientific Research (IVIC). The main objective was the evaluation of the effects of climate changes on the main ecosystems in Venezuela using ecological models.