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Articles 1 - 11 of 11
Full-Text Articles in Physical and Environmental Geography
Dendrogeomorphic Analysis Of Debris Slides On Mt. Le Conte, Great Smoky Mountains National Park, Tennessee, U.S.A., Maegen Lee Rochner
Dendrogeomorphic Analysis Of Debris Slides On Mt. Le Conte, Great Smoky Mountains National Park, Tennessee, U.S.A., Maegen Lee Rochner
Masters Theses
Research conducted during the past 30 years tested the use of tree rings to date mass movement events in the mountain areas of Europe and the western and southwestern United States, but few studies have been performed in the eastern U.S., where debris flows, landslides, and rock falls in the Appalachian Mountains pose a common threat to human life and property. One area of particular interest is Great Smoky Mountains National Park (GSMNP). For this study, I tested mature red spruce (Picea rubens Sarg.) trees located on or near a debris slide boundary on Mt. Le Conte (LC01) in …
Block 271, Reviving An Industrial Artifact, Jared Thomas Pohl
Block 271, Reviving An Industrial Artifact, Jared Thomas Pohl
Masters Theses
Vacant industrial sites are scattered throughout our cities all across the country. These sites, these remnants of industry, are occupied by a very interesting category of buildings. They are artifacts from an industrial era that served very unique and specific functions. These service buildings suffered programmatic failure and have lost their vitality. They have entered a form of hibernation, waiting for the post-industrial epoch to wake them up.
The building stock under investigation makes up a large portion of the city’s structures. Identifiable by their heroic scale, clean articulated lines and tendency to be vacant, these service buildings raise arguments …
Michigan's Clay Bluffs: The Description And Comparison Of An Erosion-Dependent Natural Community, Nathaniel G. Fuller
Michigan's Clay Bluffs: The Description And Comparison Of An Erosion-Dependent Natural Community, Nathaniel G. Fuller
Masters Theses
The clay bluffs of Michigan are a natural community found along the shores of the Great Lakes. Groundwater is found to be critical to sustaining the alkaline wetlands on the face of the bluff as well as the source of most erosion events. The clay bluffs are unusual in their vegetation, disturbance regime and geographical context. This thesis focuses primarily on describing seeping clay bluffs and exploring the comparison to other natural communities. The purpose of this is twofold, to better understand the ways in which natural communities are described as distinct from one another, and to assess the distinctness …
Climate Drivers Of Wildfire Activity In The Magdalena Mountains Of New Mexico, U.S.A., Elizabeth Anne Schneider
Climate Drivers Of Wildfire Activity In The Magdalena Mountains Of New Mexico, U.S.A., Elizabeth Anne Schneider
Masters Theses
In recent years, crown fires have raged through mixed-conifer forests in the American Southwest that historically experienced frequent, low-severity wildfires. Land management agencies now wish to restore wildfires to their historical range of variability, but this requires information on fire regimes before Euro-American disturbance took place. We characterized the historical fire regime of a high elevation, mixed-conifer forest in the Magdalena Mountains, New Mexico. This research evaluated the different climate drivers, represented by the Palmer Drought Severity Index (PDSI), the El Niño-Southern Oscillation (ENSO), the Pacific Decadal Oscillation (PDO), and the Atlantic Multidecadal Oscillation (AMO), that influence the occurrence of …
Predictive Modeling In The Search For Vertebrate Fossils: Geographic Object Based Image Analysis (Geobia) In The Eocene Of Wyoming, Bryan Bommersbach
Predictive Modeling In The Search For Vertebrate Fossils: Geographic Object Based Image Analysis (Geobia) In The Eocene Of Wyoming, Bryan Bommersbach
Masters Theses
The development and testing of predictive models for identifying productive fossil localities represents a promising interdisciplinary endeavor among geographic information scientists, paleoanthropologists, and vertebrate paleontologists. This thesis analyzed high resolution (2m spatial resolution) commercial satellite imagery from the Worldview-2 satellite of five areas of the Great Divide Basin using a GEographic Object-Based Image Analysis (GEOBIA) technique, which segments the image into spectrally homogeneous, multi-pixel image objects. In addition to allowing statistical analysis of the spectral characteristics of the image objects, GEOBIA techniques also let analysts incorporate expert knowledge and contextual information to improve classification accuracy. The spectral characteristics of the …
Stable Isotope Analysis Of Lake Sediments From Laguna Santa Elena And Laguna Azul, Costa Rica, Matthew Timothy Kerr
Stable Isotope Analysis Of Lake Sediments From Laguna Santa Elena And Laguna Azul, Costa Rica, Matthew Timothy Kerr
Masters Theses
Lake sediments are increasingly important archives of human-environment interactions and paleoclimate in the neotropics. In Costa Rica, Anchukaitis and Horn (Palaeogeography, Palaeoclimatology, Palaeoecology 221: 35–54, 2005) established a land-use history for Laguna Santa Elena (8.9306 N, 82.9275 W, 1055 m elevation), a small lake in the Diquís archaeological region, based on pollen and charcoal analyses of a 7-meter sediment core. I carried out stable carbon and nitrogen isotope and loss-on-ignition analyses at higher resolution to extend the existing 2000-year record. The new geochemical data parallel major trends in botanical proxies but also reveal aspects of human and environmental dynamics …
A Multidimensional Analysis Of The Great Green Wall: The Environmental And Social Effects Of Reafforestation In Senegal, Anna Eugenia Alsobrook
A Multidimensional Analysis Of The Great Green Wall: The Environmental And Social Effects Of Reafforestation In Senegal, Anna Eugenia Alsobrook
Masters Theses
The north-central region of Senegal is home to the Great Green Wall (GGW)—a reafforestation project aimed at restoring decades–old, degraded land conditions by establishing tree belts and community gardens. Its presence on the ground has changed the local landscape and altered the social institutions governing the daily lives of the people it aims to protect.
My study is an in-progress assessment of the GGW towards its two major goals: 1) improving the lives of the people of the Sahel and increasing their capacity to adapt to climate change and drought, and 2) improving the state of the ecosystem and increasing …
Salmonid Habitat Restoration On The Chocolay River, Michigan, Ross J. Crawford
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 (
A Climatological Study Of Drought In Southern Michigan, Rudy Bartels
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, …
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
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 …
Managing Dispersed Recreation In The Allegheny National Forest, Anne Santa Maria
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 …