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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.
Date:
2009
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
November 12, 2003
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
Transition and gap models of forest dynamics
Article discussing transition and gap models of forest dynamics.
Date:
November 1, 1995
Creator:
Acevedo, Miguel F.; Urban, D. L. & Ablan, Magdiel
Object Type:
Article
System:
The UNT Digital Library
Hydrogeology Lessons and Exercises for Introductory Physical-Geology Students
This article describes the creation of instruction models for an undergraduate physical-geology course.
Date:
1996
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
December 1997
Creator:
Hudak, Paul F. & Maxey, George
Object Type:
Article
System:
The UNT Digital Library
Visualizing Ground-Water-Flow Fields and Contaminant Plumes in an Undergraduate Hydrogeology Course
This article discusses the use of three-dimensional visualization methods to augment traditional contouring methods in an undergraduate ground-water course.
Date:
1998
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
April 1999
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
January 2001
Creator:
Hudak, Paul F. & Chadbourne, John
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
2001
Creator:
Lyons, Donald
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
March 2001
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
2002
Creator:
Raventós, José; Acevedo, Miguel F. & Segarra, José
Object Type:
Paper
System:
The UNT Digital Library
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.
Date:
March 2003
Creator:
Hudak, Paul F. & Maxey, George
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
2004
Creator:
Lyons, Donald & Forbes, Bill
Object Type:
Article
System:
The UNT Digital Library
Using GIS technology to identify areas of tuberculosis transmission and incidence
This article discusses using GIS technology to identify areas of tuberculosis transmission and incidence.
Date:
October 13, 2004
Creator:
Moonan, Patrick K.; Bayona, Manuel; Quitugua, Teresa N.; Oppong, Joseph R.; Dunbar, Denise; Jost, Kenneth C. et al.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
September 2007
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
2008
Creator:
Wachal, David J.; Harmel, R. Daren; Banks, Kenneth E. & Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
Instrument, System and Method for Automated Low Cost Atmospheric Measurements
Patent relating to an instrument, system and method for automated low cost atmospheric measurements.
Date:
May 11, 2006
Creator:
Acevedo, Miguel F.; Waller, William T. & Nebgen, Gilbert B.
Object Type:
Patent
System:
The UNT Digital Library
An Updating System for the Gridded Population Database of China Based on Remote Sensing, GIS and Spatial Database Technologies
Describes the development of a Spatial Population Updating System (SPUS) for updating the gridded population database of China based on remote sensing, GIS and spatial database technologies, with a spatial resolution of 1 km by 1 km.
Date:
February 20, 2009
Creator:
Yang, Xiaohuan; Huang, Yaohuan; Dong, Pinliang; Jiang, Dong & Liu, Honghui
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
September 1, 2009
Creator:
Hui, Feng-Ming; Xu, Bing; Chen, Zhang-Wei; Cheng, Xiao; Liang, Lu; Huang, Hua-Bing et al.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
November 12, 2009
Creator:
Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library
Book Review:Quantitative Paleozoology
Book Review of "Quantitative Paleozoology" written by R. Lee Lyman.
Date:
August 3, 2010
Creator:
Wolverton, Steven J.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
August 17, 2010
Creator:
Wolverton, Steven J.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
October 22, 2010
Creator:
Liang, Lu; Xu, Bing; Chen, Yanlei; Liu, Yang; Cao, Wuchun; Fang, Liqun et al.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
2011
Creator:
Graham, T. L. & Hudak, Paul F.
Object Type:
Article
System:
The UNT Digital Library