Physical and Environmental Geography Commons^™

Integrating Seismic Activity Into Land Use Management: A Case Study From Central Arkansas Using Hazus Software Application, Robert Dean Breashears

Graduate Theses and Dissertations

Almost 20 years after a remarkable swarm of more than 30,000 micro-earthquakes, a new swarm revisited the same region of central Arkansas, less than 30 miles northeast of Conway, Arkansas. A main shock on May 4, 2001 of magnitude MR = 4.4 was followed by a large number of aftershocks in a small crustal volume about 2,500 events for about 2 months. Preliminary locations of aftershocks from the portable network together with the locations based on data from regional networks lead us to conclude that both swarms (2001 and 1982) occupy virtually the same crustal volume. In following years several …

Local Regulatory Protection For Ecosystem Services: A Case Study From The Karst Region Of Southeast Minnesota, Usa, Mary A. Williams, Susy Ziegler

Journal Articles

Human communities depend upon a myriad of ecosystem goods and services, which are produced by and depend on natural environmental processes occurring at multiple temporal and spatial scales. Land-use policy seldom recognizes the importance of these services or the environmental processes generating these services. This study examined the degree to which ecosystem services and supporting environmental processes are regulated at two United States municipal levels: city and county. Several ecosystem services but few environmental processes are regulated to some extent. We identified policy needs for environmentally sensitive karst features, aquifer recharge, groundwater quality, plant and animal populations, and flood mitigation. …

The Relationship Of Goal Focus To Physical Distance, Job Title And Years Served Within The University Of Arkansas Division Of Agriculture, Christina Miller

Graduate Theses and Dissertations

The purpose of this study is to determine the relationship between physical distance from the headquarters, number of years working within the Division of Agriculture, and job title compared to mission statement and goal focus. The Division of Agriculture as part of the University of Arkansas System is a unique organization because many of its employees are not physically located at the headquarter locations of Little Rock and Fayetteville. The Cooperative Extension Service, part of the Division of Agriculture, has at least one office in each of Arkansas's 75 counties as well as faculty and staff members located at five …

Blogging: An Exercise In Communicating Science To The Public, Beth J. Hundey

Technology in Education Symposium (TIES)

No abstract provided.

A Case Study In Collaborative Mind-Mapping With Lucidchart, Beth J. Hundey

Technology in Education Symposium (TIES)

This two-day event on March 27 & March 28 featured:

• research paper presentations,
• lightning rounds,
• hands-on workshops,
• posters and demonstrations, and
• a student panel on the uses of instructional technology.

TIES 2.0 is open to faculty, librarians, staff, postgrads, and graduate students from across all disciplines at Western and its affiliates.

Participants heard and saw how instructors and others employ technology to engage students and enrich learning, and to connect with others from across the campus who are exploring the potential of instructional technology and online education.

A Climatological Study Of Drought In Southern Michigan, Rudy Bartels

Masters Theses

Drought has become a reoccurring phenomenon throughout many regions around the world. Significant drought conditions have beenobserved overthe pastfive decades in relation to economic, social, and agricultural impacts. In this study, Southern Michigan is investigated over the past 52 years from 1960-2012. The Standardized Precipitation Index (SPI) will be calculated over a 6-month timescale from monthly precipitations. Three variables including 500-mb heights, surface pressure maps, and sea surface temperatures, will be correlated with the SPI using sliding correlations and Pearson's R correlation to determine any relations between these variables and precipitation variations. We will further investigate the five driest, wettest, …

Managing Dispersed Recreation In The Allegheny National Forest, Anne Santa Maria

Masters Theses

In the Allegheny National Forest, an unregulated dispersed camping policy has led to significant impacts to the natural environment. This study used data gathered from visitor surveys, interviews with managers, and environmental conditions of campsites to recommend management actions for campsites along seven roads in the National Forest. The seven road areas fell into two categories. Primitive recreation was more common in some areas and solitude was more highly valued by campers. Other areas had more frequent visitor use, motorized camping, and solitude was less important to campers. These factors influenced management recommendations, which include designing and constructing campsites to …

Salmonid Habitat Restoration On The Chocolay River, Michigan, Ross J. Crawford

Masters Theses

This project seeks to improve salmonid habitat quality by improving riparian vegetation on the adjacent banks (from toe to terrace) on the Chocolay River in Michigan's Upper Peninsula. Quantities of large woody debris (LWD) were also analyzed to determine the heterogeneityof stream habitats, or channel roughness. Percentages of rock, gravel, sand, and silt were analyzed to determine spawning habitat quality. As the proportions of fines (

Near-Surface Internal Melting: A Substantial Mass Loss On Antarctic Dry Valley Glaciers, Matthew J. Hoffman, Andrew G. Fountain, Glen E. Liston

Geology Faculty Publications and Presentations

The McMurdo Dry Valleys, southern Victoria Land, East Antarctica, are a polar desert, and melt from glacial ice is the primary source of water to streams, lakes and associated ecosystems. Previous work found that to adequately model glacier ablation and subsurface ice temperatures with a surface energy-balance model required including the transmission of solar radiation into the ice. Here we investigate the contribution of subsurface melt to the mass balance of (and runoff from) Dry Valley glaciers by including a drainage process in the model and applying the model to three glacier sites using 13years of hourly meteorological data. Model …

No Fracking Way! A Study On The Spatial Patterns Of And Changes In Perception And Distance From A Michigan Horizontal Hydraulic Fracturing Site, Shannon Mcewen

Masters Theses

The research investigates whether Michigan residents' perception of risk from an oil and natural gas (ONG) well site that employs the use of horizontal hydraulic fracturing (fracking) changes with distance. The research goal is to determine if residents that live farther from a fracking site perceive it to be more dangerous than those who live closer. Secondary research goals include determining if increasing distance from a fracking site cause residents to overestimate their proximity to a fracking site and if gender and education levels have an effect on residents' perception levels. Data were collected from residents in three counties in …

Ailanthus Altissima In Urban Neighborhoods Of Denver, Colorado, Jenny Todd

Geography and the Environment: Graduate Student Capstones

Ailanthus altissima (Mill.) Swingle, also known as Tree of Heaven, is a non-native tree found throughout North America. The competitive advantages of Ailanthus make it a formidable invader that reduces biodiversity, especially in urban environments. In these areas, Ailanthus can cause structural damage to buildings, pavement, and other infrastructure such as plumbing. Although Ailanthus can commonly be observed throughout neighborhoods of Denver, Colorado, its prevalence and frequency are not well documented. The purpose of this study was to determine the distribution and abundance of Ailanthus among selected urban, residential areas and parks within the City of Denver. This was accomplished …

A New Approach For The Analysis Of Hyperspectral Data: Theory And Sensitivity Analysis Of The Moment Distance Method, E.A. L. Salas, G. M. Henebry

Natural Resource Management Faculty Publications

We present the Moment Distance (MD) method to advance spectral analysis in vegetation studies. It was developed to take advantage of the information latent in the shape of the reflectance curve that is not available from other spectral indices. Being mathematically simple but powerful, the approach does not require any curve transformation, such as smoothing or derivatives. Here, we show the formulation of the MD index (MDI) and demonstrate its potential for vegetation studies. We simulated leaf and canopy reflectance samples derived from the combination of the PROSPECT and SAIL models to understand the sensitivity of the new method to …

Effective Treatment Options For Acid Mine Drainage In The Coal Region Of West Virginia, Daniel Kirby

Theses, Dissertations and Capstones

Coal mining has a long history in the state of West Virginia and until recently mining was unregulated. Due to this history there are several legacy problems of the mining industry being dealt with today. Acid mine drainage (AMD) is one of the major legacy problems being combated today in the state. AMD is the product of oxidation in abandoned mine lands and runs into surface water. There are treatment sites all over the state to combat this problem. This thesis research looks the AMD problem in West Virginia and at the effectiveness of the treatment systems that are currently …

Model Lessons About Geography And The United States Civil War, Amy Fifth-­Lince, Tabitha M. Richards, Alan Town, Jack Gordon, Julie Johnson, Sean Stewart, Mark S. Walls, Margaret Skyberg, Melanie Mays, Merx Lavine, Steve Reeves, Ryan Mcwayne, Colleen Pallari

Instructional Materials

Model lessons about geography and the United States Civil War to use with The Student Atlas of Oregon.

Quantifying Human Impacts On River Bar Morphology Using Digital Photogrammetry, Aaron Zettler-Mann

Electronic Theses and Dissertations

Historically, the study of fluvial geomorphology has been dominated by the field method of surveying using a level and surveying rod. Beginning in the 1980s, the use of ground based and aerial LiDAR increased in popularity as a surveying method. However, LIDAR is expensive and requires significant training to operate. In recent years there has been an increase in the applicability of digital photogrammetry in the field of fluvial geomorphology. Lower costs, streamlined training and an increased accuracy all make digital photogrammetry a promising tool for the field geomorphologist. A study of the morphologic changes of four river bars on …

Model Lessons About Geography And Outdoor School, Tammy Bryant, Lauren Smolensky, Sarah Cochran, Brenda Mahler, April Logsdon, Shanna Davis, Jalia Campbell, Kimberly Nichols, Sean Stewart, Lauren Collins, Beth Chitwood, Joan Swafford, Lauriel Amoroso, Shaphan Thomas, Beth Oehler, Jen Dimaggio

Instructional Materials

Model lessons about geography and Outdoor School to use with The Student Atlas of Oregon.

Incorporating Risk Of Reinvasion To Prioritize Sites For Invasive Species Management, Todd R. Lookingbill, Emily S. Minor, Nadia Bukach, Joseph R. Ferrari, Lisa A. Wainger

Geography and the Environment Faculty Publications

The relationship between landscape pattern and the distribution and spread of exotic species is an important determinant of where and when management actions are best applied. We have developed an interdisciplinary approach for prioritizing treatment of harmful, nonnative, invasive plants in National Park landscapes of the Mid-Atlantic USA. The approach relies upon a detailed model of reinvasion risk that combines information on: (1) global factors representing park-level infestation from seed and sprout, (2) landscape factors including disturbance-based spread vectors and neighborhood seed density, and (3) local factors determining establishment probability based on habitat suitability. Global seed rain estimates are derived …

Brooklyn's Thirst, Long Island's Water: Consolidation, Local Control, And The Aquifir, Jeffrey A. Kroessler

Publications and Research

The creation of greater New York City in 1898 promised a solution to the problem of supplying Brooklyn and Queens with water. In the 1850s, the City of Brooklyn tapped ponds and streams on the south side of Queens County, and in the 1880s, dug wells for additional supply. This lowered the water table and caused problems for farmers and oystermen, many of whom sued the city for damages. Ultimately, salt water seeped into some wells from over-pumping. By 1896, Brooklyn’s system had reached its limit. Prevented by the state legislature from tapping the aquifer beneath Suffolk’s Pine Barrens, the …

Plant Community Composition And Structure Monitoring For Agate Fossil Beds National Monument, 2013 Annual Report, Isabel W. Ashton, Michael Prowatzke

United States National Park Service: Publications

Introduction

During the last century, much of the prairie within the Northern Great Plains has been plowed for cropland, planted with non-natives to maximize livestock production, or otherwise developed, making it one of the most threatened ecosystems in the United States. Within Nebraska, greater than 77% of the area of native mixed-grass prairie has been lost since European settlement (Samson and Knopf 1994). The National Park Service (NPS) plays an important role in preserving and restoring some of the last pieces of intact prairies within its boundaries. The stewardship goal of the NPS is to “preserve ecological integrity and cultural …

Evaluation And Application Of A New Shape-Sensitive Metric Useful For Characterizing Both Spectral Curves And Lidar Waveforms, Eric Ariel L. Salas

Electronic Theses and Dissertations

This dissertation seeks to investigate hyperspectral and waveform LiDAR datasets through a new analytical framework called Moment Distance method that uses a metric derived from the shape of the curve (spectral or waveform). In the case of hyperspectral data, the shape of the reflectance curve should unmask fine points of the spectra usually not considered by existing band-specific indices. To explore the advantages and shortcomings of this new approach, leaf and canopy hyperspectral reflectance samples were simulated using the physicallybased models PROSPECT (a leaf model) and SAIL (a canopy model). Sensitivity analysis was conducted with the goal of understanding the …