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Articles 1 - 5 of 5
Full-Text Articles in Physical and Environmental Geography
Use Of Unoccupied Aerial Vehicle (Drones) Based Remote Sensing To Model Platform Topography And Identify Human-Made Earthen Barriers In Salt Marshes, Joshua J. Ward
Masters Theses
Elevation is a foundational driver of salt marsh morphology. Elevation governs inundation and hydrological patterns, vegetation distribution, and soil health. Anthropogenic impacts at grand scales (e.g., rising sea levels) and local scales (e.g., infrastructure) have altered the elevation of the salt marsh surface, changing the topography and morphology of these ecosystems. This study establishes and assesses means to document and analyze these impacts using Unoccupied Aerial Vehicle (UAV) based remote sensing to model platform topography. This thesis’s first and primary study presents and compares methods of producing high-resolution digital terrain models (DTMs) with UAV-based Digital Aerial Photogrammetry (DAP) and Light …
The Global Impact Of The Antarctic Ice Sheet In A Warming World: Using Numerical Modeling And Critical Physical Geography To Assess Climate Change, Sea Level Rise, And Climate Justice
Doctoral Dissertations
Anthropogenic climate change is causing disruptions in the Earth system with negative ramifications for life on our planet. Increasing atmospheric greenhouse gas concentrations lead to accumulated heat content and the cryosphere is one of the earliest places to show changes in response to rising temperatures. The melting of the Antarctic Ice Sheet will have myriad effects on global climate due to interconnections and feedbacks between the ice sheet, ocean, and atmosphere. In this dissertation I use numerical modeling and critical geography to assess future climate conditions that occur in response to changes in Antarctic Ice Sheet melt as well as …
Perceptions Of Historical Climate Change And Park Policy: The Impact On The Fremont Cottonwood In Zion National Park, Kathleen Kavarra Corr
Perceptions Of Historical Climate Change And Park Policy: The Impact On The Fremont Cottonwood In Zion National Park, Kathleen Kavarra Corr
Doctoral Dissertations
Despite its “natural” appearance and the Organic Act 1916 mandate for preservation of the natural environment in National Parks, the Virgin River as it flows through Zion National Park’s Zion Canyon was transformed through massive flood control re-engineering projects in the 1930s. The armoring of the river has had significant impacts on riparian vegetation, particularly on the stands of native Fremont Cottonwood trees that once filled the narrow valley. What was the motivation for this massive flood control project carried out in an arid region with less than 15 inches of rain per year? This dissertation explores the motivations which …
Situated Architecture In The Digital Age: Adaptation Of A Textile Mill In Holyoke, Massachusetts, Dorcas A. Brooks
Situated Architecture In The Digital Age: Adaptation Of A Textile Mill In Holyoke, Massachusetts, Dorcas A. Brooks
Masters Theses 1911 - February 2014
The City of Holyoke, Massachusetts is one of many aging, industrial cities striving to revitalize its economy based on the promise of increased digital connectivity and clean energy resources. But how do you renovate 19th century mills to meet the demands of the information age? This architectural study explores the potential impact of sensing technologies and information networks on the definition and function of buildings in the 21st century. It explores the changes that have taken place in industrial architecture since 1850 and argues for an architecture that supports local relationships and environmental awareness. The author explores the industrial history …
Bolivia's Coca Headache: The Agroyungas Program, Inflation, Campesinos, Coca And Capitalism In Bolivia, John D. Roberts
Bolivia's Coca Headache: The Agroyungas Program, Inflation, Campesinos, Coca And Capitalism In Bolivia, John D. Roberts
Masters Theses 1911 - February 2014
Bolivia in the 1980s was wracked by monetary inflation approaching levels of the German Weimar Republic. Immediately following this time of great financial crisis in Bolivia, the U.N. founded a project through the U.N.D.P. to encourage peasant farmers in Bolivia to switch from growing coca (the plant used manufacture cocaine) to growing other cash crops for market. This crop substitution and development program, called the Agroyungas Project, lasted from 1985 to 1991 and is the focus of this study. While many U.N. pundits and journalists considered the program’s initial small successes promising, it has been considered since its conclusion to …