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Articles 1 - 30 of 99
Full-Text Articles in Physical and Environmental Geography
High Peaks Back - Country Trails Plan, Benjamin Godsoe
High Peaks Back - Country Trails Plan, Benjamin Godsoe
Muskie School Capstones and Dissertations
The High Peaks Trails Plan is a regional vision for back-country trails in Maine's High Peaks region. The plan identifies challenges and opportunities which face the trails community, and outlines several strategies for trails groups to move forward together to overcome mutual challenges.
Spatial Analysis Of Fatal Automobile Crashes In Nashville, Tn, 2001-2011, Yan Chen
Spatial Analysis Of Fatal Automobile Crashes In Nashville, Tn, 2001-2011, Yan Chen
Masters Theses & Specialist Projects
With increasing levels of motor vehicle ownership, automobile crashes have become a serious public issue in the U.S. and around the world. Knowing when, where, and how traffic accidents happen is critical in order to ensure road safety and to plan for adequate road infrastructure. There is a rich body of literature pertaining to time-related fatal crashes, most of which focuses on non-spatial factors such as a driver’s visibility at night, drinking and drug use, and road conditions. These studies provide a theoretical basis for understanding the causes of crashes from a non-spatial perspective, and a number of traffic laws …
Eastern Deciduous Forest Phenology And Vegetative Vigor Trends From 2000 To 2013, Mammoth Cave National Park, Ky, Sean Taylor Hutchison
Eastern Deciduous Forest Phenology And Vegetative Vigor Trends From 2000 To 2013, Mammoth Cave National Park, Ky, Sean Taylor Hutchison
Masters Theses & Specialist Projects
Global climate change is predicted to affect environmental systems at the midlatitudes, but the scope, severity, and outcomes of these impacts are yet to be fully understood. This study focuses on the implications of short-term climate variability for forests in central Kentucky. Using a Normalized Difference Vegetation Index (NDVI) calculated from MODerate-Resolution Imaging Spectroradiometer (MODIS) instrument data, the photosynthetic activity of vegetation at Mammoth Cave National Park (MACA) is tracked from 2000 to 2013. Three methods were employed to examine the changes and climate influences in vegetation over the study period: 1) aggregating the NDVI of the Park by year …
Landscape Ecological Analysis Of Patterns Influencing Bat Activity In Southeast Glacial Plains Of Wisconsin, Angela Leckie Jackson
Landscape Ecological Analysis Of Patterns Influencing Bat Activity In Southeast Glacial Plains Of Wisconsin, Angela Leckie Jackson
Theses and Dissertations
Nearly half of the world's bat species are threatened by anthropogenic land use. To contribute to the conservation of these cryptic mammals, it is imperative to understand bat habitat selection in human-dominated landscapes. Bat activity was calculated using active acoustic surveys conducted June and July for three years along river and lake transects in an agricultural matrix. Using multiple logistic regression and ANOVA regression tree analyses, I examined the relationship between bat activity of four species and habitat structure at multiple scales.
Aquatic features were determined to be the greatest predictor of bat activity with rivers supporting greater amount of …
Global Digital Elevation Model Accuracy Assessment In The Himalaya, Nepal, Luke G. Miles
Global Digital Elevation Model Accuracy Assessment In The Himalaya, Nepal, Luke G. Miles
Masters Theses & Specialist Projects
Digital Elevation Models (DEMs) are digital representations of surface topography or terrain. Collection of DEM data can be done directly through surveying and taking ground control point (GCP) data in the field or indirectly with remote sensing using a variety of techniques. The accuracies of DEM data can be problematic, especially in rugged terrain or when differing data acquisition techniques are combined. For the present study, ground data were taken in various protected areas in the mountainous regions of Nepal. Elevation, slope, and aspect were measured at nearly 2000 locations. These ground data were imported into a Geographic Information System …
The Primacy Of Context: An Exploration Into The Causes Of Food Insecurity In Kitere, Kenya., William O. Aludo
The Primacy Of Context: An Exploration Into The Causes Of Food Insecurity In Kitere, Kenya., William O. Aludo
Capstone Collection
The purpose of this study was to explore the specific reasons why households in Kitere village, Kenya experience persistent food insecurity every year while the region enjoys the advantage of two planting/harvest seasons in a year. Kitere village lies within the lakeside region of Nyanza Province in Kenya, generally considered to be one of the more agriculturally productive parts of the country. The Participatory Rural Appraisal method was employed to gather qualitative data on the causes of food insecurity in Kitere village. The data sources were focus groups and a self-administered, one-time survey of random and non-random samples of key …
Getting Salmon Back In Salmon Creek: Systematizing Comparative Water Quality Analysis For Targeted Restoration, Zbigniew J. Grabowski, Sarah Janjua, Michael Swamer, Heejun Chang, Eric Watson
Getting Salmon Back In Salmon Creek: Systematizing Comparative Water Quality Analysis For Targeted Restoration, Zbigniew J. Grabowski, Sarah Janjua, Michael Swamer, Heejun Chang, Eric Watson
Geography Faculty Publications and Presentations
This presentation focuses on water quality restoration efforts in Salmon Creek
Engaging Stakeholders In Ecosystem Service Assessment Under Climate Change And Urban Development Scenarios, Heejun Chang, David E. Ervin, Wes Hoyer, Mike Psaris, Ken Lyons, Emily D. Dietrich, Samantha Hamlin, John Lambrinos, Tammy Winfield, Bobby Cochran
Engaging Stakeholders In Ecosystem Service Assessment Under Climate Change And Urban Development Scenarios, Heejun Chang, David E. Ervin, Wes Hoyer, Mike Psaris, Ken Lyons, Emily D. Dietrich, Samantha Hamlin, John Lambrinos, Tammy Winfield, Bobby Cochran
Geography Faculty Publications and Presentations
This presentation focuses on how scientists can engage stakeholders in ecosystem service assessment.
Early Humboldtian Influences On Alfred Russel Wallace's Scheme Of Nature [Presented At The Alfred Russel Wallace And His Legacy Royal Society Of London Meeting, 21 October 2013], Charles H. Smith
DLPS Faculty Publications
Alfred Russel Wallace’s 1858 Ternate paper on natural selection is a famous work in the history of science. Beyond his co-discovery of the principle, moreover, Wallace is known for a large number of early applications of the idea, both to biological and biogeographical subjects. Yet how much do we really know about Wallace’s own evolution of thought, and his actual intentions before his views were swallowed up by the inertia of Darwin’s revolution? A number of differences between Wallace’s and Darwin’s views are apparent and have been much treated over the years, but related discussions dwell more on effects than …
Parcel-Level Redevelopment Strategies For Distressed Neighborhoods, Michael P. Johnson Jr., Justin Hollander
Parcel-Level Redevelopment Strategies For Distressed Neighborhoods, Michael P. Johnson Jr., Justin Hollander
Michael P. Johnson
Certain distressed neighborhoods cannot support traditional residential-focused development. For these communities, we develop decision models for acquisition and redevelopment of chronically vacant lands and structures for primarily non-residential and greening uses. We address social benefits and costs of redevelopment strategies, parcel clustering to exploit economies of scale, and conflicting values among stakeholders. We illustrate our models using data from Baltimore, MD.
Land Surface Phenologies And Seasonalities Using Cool Earthlight In Mid-Latitude Croplands, Woubet G. Alemu, G. M. Henebry
Land Surface Phenologies And Seasonalities Using Cool Earthlight In Mid-Latitude Croplands, Woubet G. Alemu, G. M. Henebry
Natural Resource Management Faculty Publications
Phenology deals with timing of biotic phenomena and seasonality concerns temporal patterns of abiotic variables. Studies of land surface phenology (LSP) and land surface seasonality (LSS) have long been limited to visible to near infrared (VNIR) wavelengths, despite degradation by atmospheric effects and solar illumination constraints. Enhanced land surface parameters derived from passive microwave data enable improved temporal monitoring of agricultural land surface dynamics compared to the vegetation index data available from VNIR data. LSPs and LSSs in grain growing regions of the Volga River Basin of Russia and the spring wheat belts of the USA and Canada were characterized …
Mius News : Maps And Imagery User Services @ Fiu Green Library: Vol. 5 Issue 1 Fall 2013, Matthew Toro, Evan Cook, Peter Harlem
Mius News : Maps And Imagery User Services @ Fiu Green Library: Vol. 5 Issue 1 Fall 2013, Matthew Toro, Evan Cook, Peter Harlem
MIUS News
Florida International University's Fall 2013 Map and User Imagery Services Newsletter
Environmental Justice And The Duwamish River--Updated October 2013, Jonathan Betz-Zall
Environmental Justice And The Duwamish River--Updated October 2013, Jonathan Betz-Zall
Jonathan Betz-Zall
No abstract provided.
Plant Community Composition And Structure Monitoring In Scotts Bluff National Monument, 2013 Annual Report, Isabel Ashton, Michael Prowatzke
Plant Community Composition And Structure Monitoring In Scotts Bluff National Monument, 2013 Annual Report, Isabel 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 …
Book Review: The Revenge Of Geography, Robert Weaver
Book Review: The Revenge Of Geography, Robert Weaver
Faculty Publications and Presentations
No abstract provided.
Evaluation Of Current Community-Based Monitoring Efforts And Recommendations For Developing A Cohesive Network Of Support For Monitoring Long Island Sound Embayments., Jamie M.P. Vaudrey, Jamie Alonzo, Adrienne Esposito, Curt Johnson, Maureen Dolan Murphy, Charles Yarish
Evaluation Of Current Community-Based Monitoring Efforts And Recommendations For Developing A Cohesive Network Of Support For Monitoring Long Island Sound Embayments., Jamie M.P. Vaudrey, Jamie Alonzo, Adrienne Esposito, Curt Johnson, Maureen Dolan Murphy, Charles Yarish
Department of Marine Sciences
This project focuses on Long Island Sound embayments and represents an exploration of the potential for coordination among community-based water quality monitoring groups, and coordination between community-based groups and data end users, including scientists and managers. Community-based monitoring groups represent a potential valuable source of water quality information. The development of standardized protocols, training methods and reporting procedures will serve to provide end users with the confidence necessary to utilize the data collected as part of community-based monitoring programs. Both groups of stakeholders stand to benefit from this type of coordination with the ultimate benefit being a healthier, better understood …
Unnatural Disasters: Rethinking The Distinction Between Natural And Man-Made Catastrophe, Michael D. Cooper, Esq.
Unnatural Disasters: Rethinking The Distinction Between Natural And Man-Made Catastrophe, Michael D. Cooper, Esq.
Michael D. Cooper, Esq.
The distinction between “natural” and “man-made” disaster has grown increasingly difficult to defend. Our current conception conflates extreme natural events with the notion of disaster—an exclusively human construct. We define our cultural perception of “natural” disaster through three “man-made” constructs. First, our values alone characterize the scope and scale of loss. Second, our volition exacerbates otherwise benign natural hazards, exposes us to otherwise avoidable hazards, and, through technology, generates new and otherwise non-existent hazards. Finally, when natural hazards do unleash their destructive powers, pre-existing socio-economic inequalities manifest as vulnerabilities that ultimately determine both absolute and relative social outcomes and impacts. …
"Being Stuck": Understanding The Health-Related And Everyday Lived Experiences Of Young Mothers In Rexdale, Ontario Through A Social Determinants Framework, Jaspreet Kaur
Electronic Thesis and Dissertation Repository
The purpose of this study was to gain an understanding of the ways the health-related and everyday lived experiences of young mothers are shaped by various social determinants, and in the context of their neighbourhood. Using a critical qualitative methodology, five mothers between the ages of 17 to 19 were interviewed from Rexdale, a neighbourhood in the City of Toronto characterized by a number of social risk factors(e.g. high rates of visible minorities, unemployment, and teen mothers). In-depth thematic analysis led to the emergence of four themes: 1) Living in Rexdale: Representations and realities; 2) Leaving Rexdale and wanting something …
Agenda: Arizona V. California At 50: The Legacy And Future Of Governance, Reserved Rights, And Water Transfers, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment
Agenda: Arizona V. California At 50: The Legacy And Future Of Governance, Reserved Rights, And Water Transfers, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment
Arizona v. California at 50: The Legacy and Future of Governance, Reserved Rights, and Water Transfers (Martz Summer Conference, August 15-16)
The Colorado River is an economic, environmental and cultural lifeline of the southwestern United States, and the allocation of its scarce waters are a source of ongoing controversy. This year marks the 50th anniversary of the Supreme Court decision in Arizona v. California. While the case was an important landmark in the still-evolving relationship between these two Lower Basin states, it remains most relevant today by the way in which it clarified federal rights and responsibilities. This is especially true in the areas of federal (including tribal) reserved rights, the role of the Interior Secretary in Lower Basin water …
Why I Love Grasshopper Sparrows, Michele Patenaude
Why I Love Grasshopper Sparrows, Michele Patenaude
UVM Libraries Conference Day
Since 2001, Michele (a library circulation supervisor in her day job) has conducted a summer breeding-bird survey of Grasshopper Sparrows at Camp Johnson in Colchester, VT. Named Grasshopper Sparrows because their breeding call sounds like a grasshopper, this little brown bird is endemic to certain types of scrubby grasslands which are becoming more scarce in the Northeast. The Grasshopper Sparrow is also declining and the species is not on the list of Vermont Endangered Birds. Come to this presentation and learn about the bird, how Michele surveys them, why they are endangered, and why Michele loves these quiet, little brown …
Geographic And Socioeconomic Risk Factors For Sporadic Cryptosdporidiosis And E. Coli Infection In East Tennessee, Ingrid Elizabeth Luffman
Geographic And Socioeconomic Risk Factors For Sporadic Cryptosdporidiosis And E. Coli Infection In East Tennessee, Ingrid Elizabeth Luffman
Doctoral Dissertations
This research examines risk factors for sporadic cryptosporidiosis and Escherichia coli (E. coli) O157 infection in East Tennessee, using case-control and retrospective ecological approaches. Multiple models and approaches are used to identify risk factors for the two diseases, and to examine the effect of scale on risk for disease in the individual and in the population. Risk factors examined are animal density, land use, geology, surface water impairment, poverty rate and availability of private water supply. The research objectives are, first, to identify risk factors for E. coli O157 and cryptosporidiosis in East Tennessee by relating disease data …
The Use Of The Ostracode Cyprideis Americana (Sharpe) As A Proxy For Salinity In Bahamian Lake Systems, Rachel E. Bowles
The Use Of The Ostracode Cyprideis Americana (Sharpe) As A Proxy For Salinity In Bahamian Lake Systems, Rachel E. Bowles
Masters Theses & Specialist Projects
Ostracodes, bi-valved crustaceans, are potentially excellent proxies for salinity.They are abundant, react to changes in salinity, and secrete low-magnesium calcite shells that preserve information about their host water chemistry. Changes in valve trace element concentration, stable isotope composition, and sieve pore shape values have been linked to changes in salinity. This study analyzed the response of the euryhaline ostracode, Cyprideis americana, to salinity in six lakes from two Bahamian islands across two seasons. The purpose of this work was to determine which compositional and morphological variables in C. americana are the most useful for paleosalinity reconstructions.Ostracode and water samples were …
A Paleoenvironmental Investigation Of Eolian Influx In Lacustrine Sediments Of The Southern Rocky Mountain Region, Rebecca L. Brice
A Paleoenvironmental Investigation Of Eolian Influx In Lacustrine Sediments Of The Southern Rocky Mountain Region, Rebecca L. Brice
Electronic Theses and Dissertations
Potential indications of long-term trends in paleoclimate, specifically winds, in the Southern Rocky Mountain region of the United States were tested using lacustrine sediment from South Blue Lake in the Wet Mountains of Colorado. This study builds upon existing eolian and lacustrine research, and investigates paleowind in a location not yet studied in this manner. Variability in sediment laminae, particle size, and mineralogy show similar patterns during the mid-Holocene warm period (ca. 5500 cal. yr BP - ca. 6000 cal. yr BP). These patterns indicate a warmer, drier, windier period that is contrasted by a less variable period in the …
A Geomechanical Study Of The Mississippian Boone Formation, Karen Nicole Mason Buckland
A Geomechanical Study Of The Mississippian Boone Formation, Karen Nicole Mason Buckland
Graduate Theses and Dissertations
The Boone Formation in northwest Arkansas is a chert-limestone sequence analogous to the subsurface Mississippi Lime reservoir in parts of Oklahoma and Kansas. It has low permeability and produces via horizontal drilling and hydraulic fracturing. The response to stimulation by fracturing is dependent on the quantity of chert in the area. Chert nodules and laterally extensive chert layers in the sequence are variable. Locally, cm- to dm-scale chert bedding is continuous and comprises up to 50% of the outcrop. Elsewhere, the chert is nodular and intermittent.
Samples collected from representative outcrops spanning the thickness and aerial extent of the formation …
Remote Sensing Of Green Leaf Area Index In Maize And Soybean: From Close-Range To Satellite, Anthony L. Nguy-Robertson
Remote Sensing Of Green Leaf Area Index In Maize And Soybean: From Close-Range To Satellite, Anthony L. Nguy-Robertson
School of Natural Resources: Dissertations, Theses, and Student Research
This dissertation seeks to explore alternative methodologies for estimating green leaf area index (LAI) and crop developmental stages. Specifically this research [1] developed an approach for creating a Moderate Resolution Imaging Spectroradiometer (MODIS) high spatial resolution product for estimating green LAI on the base of data collected using two different close-range sensors. It was determined that the vegetation indices (VIs) Wide Dynamic Range Vegetation Index (WDRVI) and Enhanced Vegetation Index 2 (EVI2) were capable of accurate estimation of green LAI from MODIS 250 m data using models developed from hyperspectral (RMSE < 0.69 m2 m-2; CV < 33%) or multispectral sensors (RMSE < 0.69 m2 m-2; …
Reviewing Models Of Land Availability And Dynamics For Biofuel Crops In The United States And The European Union, Ruopu Li, Nicola Di Virgilio, Qingfeng Guan, Song Feng, Goetz M. Richter
Reviewing Models Of Land Availability And Dynamics For Biofuel Crops In The United States And The European Union, Ruopu Li, Nicola Di Virgilio, Qingfeng Guan, Song Feng, Goetz M. Richter
School of Natural Resources: Faculty Publications
The biofuel-related land use in the USA and the EU has significantly expanded during the last decade; models have been used to estimate land availability and demand in these regions. This paper provides an overview of different land-use modeling practices applicable to first- and second-generation biofuels. We review the importance of different land categories for biofuels, modeling approaches (top-down/bottom-up) and their integration, data availability for calibration and validation, model scale, and uncertainty. Possible future changes of biofuel land use and research gaps and limitations are synthesized. Key issues are the lack of data for independent validation and the need for …
Equally Unprepared: Assessing The Hurricane Vulnerability Of Undergraduate Students, Jason Simms, Margarethe Kusenbach, Graham Tobin
Equally Unprepared: Assessing The Hurricane Vulnerability Of Undergraduate Students, Jason Simms, Margarethe Kusenbach, Graham Tobin
Jason L Simms
Understory Diversity And Succession On Coarse Woody Debris In A Coastal, Old-Growth Forest, Oregon, Shannon Lee Mcdonald
Understory Diversity And Succession On Coarse Woody Debris In A Coastal, Old-Growth Forest, Oregon, Shannon Lee Mcdonald
Dissertations and Theses
This research examines the relationship between understory plant diversity and logs in a Pacific Northwest (PNW) Sitka spruce (Picea sitchensis)-western hemlock (Tsuga heterophylla) old-growth, coastal forest. These forests are renowned for their high forest productivity, frequent wind storms, and slow log decomposition rates that produce unmatched accumulations of coarse woody debris (CWD) yet few studies have examined the relationship between CWD and understory vegetation ecology. My research addressed this topic by comparing understory plant census data between paired fallen log and forest floor sites (n=20 pairs). My objectives were to: 1) determine the influence of substrate type on community composition …
Beach And Surf Tourism And Recreation In Australia: Vulnerability And Adaptation, Michael Raybould
Beach And Surf Tourism And Recreation In Australia: Vulnerability And Adaptation, Michael Raybould
Michael Raybould
The Beach and surf tourism and recreation in Australia: Vulnerability and adaptation project has produced estimates of economic values for recreation and tourism related to beach and surf amenities across four case-study locations in Australia. Estimates of the non-market consumer surplus values of beach recreation indicate that beach recreation is worth around: $70 million per annum (p.a.) to residents of the Sunshine Coast (Qld), $32 million p.a. to residents of Clarence Valley (NSW), $6 million p.a. to residents of the Surf Coast (Vic) and $4 million p.a. for residents of Augusta-Margaret River (WA). In addition to the non-market values, real …
Evaluation Of A Coupled Event-Driven Phenology And Evapotranspiration Model For Croplands In The United States Northern Great Plains, V. Kovalskyy, G. M. Henebry, D. P. Roy, B. Adusei, M. Hansen, G. Senay, D. M. Mocko
Evaluation Of A Coupled Event-Driven Phenology And Evapotranspiration Model For Croplands In The United States Northern Great Plains, V. Kovalskyy, G. M. Henebry, D. P. Roy, B. Adusei, M. Hansen, G. Senay, D. M. Mocko
Natural Resource Management Faculty Publications
A new model coupling scheme with remote sensing data assimilation was developed for estimation of daily actual evapotranspiration (ET). The scheme consists of the VegET, a model to estimate ET from meteorological and water balance data, and an Event Driven Phenology Model (EDPM), an empirical crop specific model trained on multiple years of flux tower data transformed into six types of environmental forcings that are called “events” to emphasize their temporally discrete character, which has advantages for modeling multiple contingent influences. The EDPM in prognostic mode supplies seasonal trajectories of normalized difference vegetation index (NDVI); whereas in diagnostic mode, it …