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2018

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Articles 601 - 630 of 636

Full-Text Articles in Geography

Conflicts Over Extractivist Policy And The Forest Frontier In Central America, Anthony J. Bebbington, Laura Aileen Sauls, Herman Rosa, Benjamin Fash, Denise Bebbington Jan 2018

Conflicts Over Extractivist Policy And The Forest Frontier In Central America, Anthony J. Bebbington, Laura Aileen Sauls, Herman Rosa, Benjamin Fash, Denise Bebbington

Geography

Central America is characterized by an asymmetric forest transition in which net deforestation is a product of both forest loss and patches of forest resurgence. Forest loss is also associated with rights violations. We explore the extent to which extractive industry and infrastructure investments create pressure on forest resources, community rights and livelihoods. Drivers of this investment are identified, in particular: constitutional, legislative and regulatory reforms; energy policies; new financial flows; and ideas of development emphasizing the centrality of infrastructure in combining geographical integration and economic growth. We discuss forms of contentious action that have emerged in response to these …


“Inconvenient Neighbours, Whom It Was Desirable Ultimately Wholly To Remove”: Differing Factors In The Dispossessions Of Studied Anishinaabe Groups Of The Great Lakes Basin, 1820-1865, Heather J. Sanguins Jan 2018

“Inconvenient Neighbours, Whom It Was Desirable Ultimately Wholly To Remove”: Differing Factors In The Dispossessions Of Studied Anishinaabe Groups Of The Great Lakes Basin, 1820-1865, Heather J. Sanguins

Theses and Dissertations (Comprehensive)

Despite being located within a relatively close geographic area, the Anishinaabeg of the eastern Great Lakes basin had different experiences of, and responses to, attempted and actual dispossession between 1820 and 1865. This research explores these experiences and the exercise of colonial power through the dispossession of six groups: the Lake Erie Anishinaabeg, the Walpole Anishinaabeg, the “American” Anishinaabeg who migrated into Upper Canada and Canada West, the Chippewa of Lakes Huron, Couchiching, and Simcoe, the Potaganasee Ojibwa of Drummond Island, and the Manitoulin Anishinaabeg. While eight themes weave their way through the cases, every case of attempted or actual …


Arriving Somewhere, Not Here: Exploring And Mapping The Relationship Between Border Enforcement And Migration By Boat In The Central Mediterranean Sea, 2006 To 2015, Kira Williams Jan 2018

Arriving Somewhere, Not Here: Exploring And Mapping The Relationship Between Border Enforcement And Migration By Boat In The Central Mediterranean Sea, 2006 To 2015, Kira Williams

Theses and Dissertations (Comprehensive)

The European Union (EU) implemented a maritime interdiction network using search and rescue which interdicted at least 462,813 “illegal migrants” in the Central Mediterranean Sea between 2006 and 2015. This involved 15 discrete, militarised and semi-secret maritime interdiction operations (MIOs) at a minimum cost of 126.9 million 2014 Euros. In this dissertation, I will explore and map these operations and their geographies between 2006 and 2015.

First, and based on the given existence of the European Patrols Network, I examine how this network came into being in the first place. This serves to show that the EU purposely created regular …


“We’Re Being Left To Blight”: Green Urban Development And Racialized Space In Kansas City, Chhaya Kolavalli Jan 2018

“We’Re Being Left To Blight”: Green Urban Development And Racialized Space In Kansas City, Chhaya Kolavalli

Theses and Dissertations--Anthropology

In this dissertation, I explore ‘green’ urban development and urban agriculture projects from the perspective of residents of an African American majority neighborhood in Kansas City—who reside in an area referred to as a ‘blighted food desert’ by local policy makers. In Kansas City, extensive city government support exists for urban agricultural projects, which are touted not just as a solution to poverty associated issues such food insecurity and obesity, but also as a remedy for ‘blight,’ violence and crime, and vacant urban land. Specific narratives of Kansas City’s past are used to prop up and legitimate these future visions …


Gis Project Management, Jochen Albrecht Jan 2018

Gis Project Management, Jochen Albrecht

Publications and Research

There is a big gulf between GIScience as an academic endeavor and its application in the form of GIS project management in the real world. Project activities are complex because they rarely involve routine repetitive acts, but often require specific knowledge and skills to be used in their design, execution, and management. This article explains what project management is, its objectives, and the required ingredients from personnel to budgets, and the integration of the GIS project into the larger context of an organization’s and even societal culture.


Essential Methods For Planning Practitioners: Skills And Techniques For Data Analysis, Visualization, And Communication, Laxmi Ramasubramanian, Jochen Albrecht Jan 2018

Essential Methods For Planning Practitioners: Skills And Techniques For Data Analysis, Visualization, And Communication, Laxmi Ramasubramanian, Jochen Albrecht

Publications and Research

No abstract provided.


Analysis Of Land Use/Land Cover Change Impacts Upon Ecosystem Services In Montane Tropical Forest Of Rwanda: Forest Carbon Assessment And Redd+ Preparedness, Mcard Joseph Mlotha Jan 2018

Analysis Of Land Use/Land Cover Change Impacts Upon Ecosystem Services In Montane Tropical Forest Of Rwanda: Forest Carbon Assessment And Redd+ Preparedness, Mcard Joseph Mlotha

Antioch University Dissertations & Theses

Changes in forest cover especially changes within tropical forests, affect global climate change, together with ecosystems and forest carbon. Forests play a key role in both carbon emission and carbon sequestration. Efforts to reduce emissions through reduced deforestation and degradation of forests have become a common discussion among scientists and politicians under the auspices of the United Nations Programme on Reducing Emissions from Deforestation and Forest Degradation (UN-REDD Programme). This dissertation research assessed the impacts of land use land cover change upon ecosystem services from a protected area focusing on forest carbon distribution and vegetation mapping using remote sensing and …


Temporal Changes In Submarine Groundwater Discharge In A Georgia Salt Marsh, Tanner C. Avery, Jacque L. Kelly Jan 2018

Temporal Changes In Submarine Groundwater Discharge In A Georgia Salt Marsh, Tanner C. Avery, Jacque L. Kelly

Earth, Environment & Sustainability: Faculty Presentations (1988-2022)

No abstract provided.


Chinese Outbound Travel: Understanding The Socioeconomic Drivers, Songshan (Sam) Huang, Xiang Wei Jan 2018

Chinese Outbound Travel: Understanding The Socioeconomic Drivers, Songshan (Sam) Huang, Xiang Wei

Research outputs 2014 to 2021

This study used a national sample (N = 36,490) of Chinese urban residents to examine the relationship between outbound travel intention and some key demographic, economic, and geographic variables. Findings indicate that education, income, and paid vacation days significantly predicted outbound travel intention. Compared to residents in Tier-4 cities in China, those in Tier-1, -2, and -3 cities had higher probability of choosing outbound travel by 13.1%, 30.9%, and 15.3%, respectively. This study draws meaningful connections between Chinese outbound tourism and the social and economic realities in China and offers an alternative approach to understanding Chinese outbound tourism.


Science At Engineer Cantonment, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, Thomas E. Labedz, Paul R. Picha, John R. Bozell Jan 2018

Science At Engineer Cantonment, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, Thomas E. Labedz, Paul R. Picha, John R. Bozell

University of Nebraska State Museum: Mammalogy Papers

Conclusions

It is our contention that Thomas Say, Titian Peale, Edwin James, and their colleagues of the Stephen Long Expedition of 1819–1820 were heavily engaged in scientific research, which took the form of the first biodiversity inventory undertaken in the United States. This accomplishment has been overlooked both by biologists and historians, but it should rank among the most significant accomplishments of the expedition. The results of this inventory continue to inform us today about environmental, faunal, and floral changes along the Missouri River in an area that is known to be an ecotone between the deciduous forests of the …


Crop Height Estimation With Unmanned Aerial Vehicles, Carrick Detweiler, David Anthony, Sebastian Elbaum Jan 2018

Crop Height Estimation With Unmanned Aerial Vehicles, Carrick Detweiler, David Anthony, Sebastian Elbaum

School of Computing: Faculty Publications

An unmanned aerial vehicle (UAV) can be configured for crop height estimation. In some examples, the UAV includes an aerial propulsion system, a laser scanner configured to face downwards while the UAV is in flight, and a control system. The laser scanner is configured to scan through a two-dimensional scan angle and is characterized by a maxi mum range. The control system causes the UAV to fly over an agricultural field and maintain, using the aerial propulsion system and the laser scanner, a distance between the UAV and a top of crops in the agricultural field to within a programmed …


Preparing For Out Of Hospital Cardiac Arrests (Ohca) In Riyadh, Saudi Arabia: A Gis Scenario-Modeling Approach, Abubakr Abdelkafi Magzoub Jan 2018

Preparing For Out Of Hospital Cardiac Arrests (Ohca) In Riyadh, Saudi Arabia: A Gis Scenario-Modeling Approach, Abubakr Abdelkafi Magzoub

Master's Theses and Doctoral Dissertations

This study employed location-allocation modeling and a geographic information system (GIS) to study the current placement of automated external defibrillators (AEDs) in relationship to neighborhoods in Riyadh City, Saudi Arabia, and to determine the optimal locations for additional AEDs in the city. Using GIS to mathematically locate additional healthcare facilities for the placement of AEDs is more reliable than to select them using informed guesses. The objective of this research was to elaborate a mathematical and GIS model for placing AED devices so that people who need to use these devices in the City of Riyadh, Saudi Arabia, can access …


Zoning And Complementary Incentives To Protect Farmland: A Case For Missoula County, Kaitlin Mccafferty Jan 2018

Zoning And Complementary Incentives To Protect Farmland: A Case For Missoula County, Kaitlin Mccafferty

Graduate Student Theses, Dissertations, & Professional Papers

Urban sprawl reflects an inefficient use of land that diminishes both rural landscapes and quality of life turning farms, ranches and open space into siloed suburban communities. This results in less walkable cities with more traffic and air pollution, among other negative consequences. Farmland constitutes a particularly important resource that often faces degradation or loss due to sprawl. Higher quality agricultural soils are particularly desirable for development because they are flat and well-drained. Farmland is also important for urban communities concerning food security, environmental health, and economic well being. As American cities continue to grow, farmland around urban areas has …


Knowledge Processes And The Potential For Adaptive Governance Of Inshore Fisheries In The Solomon Islands, Amber W. Datta Jan 2018

Knowledge Processes And The Potential For Adaptive Governance Of Inshore Fisheries In The Solomon Islands, Amber W. Datta

Graduate Student Theses, Dissertations, & Professional Papers

Rapid environmental change, ranging from the collapse of fisheries to the rise of sea levels, poses significant challenges for the governance of marine resources. In Pacific Island Countries and Territories (PICTs), these changes result in the loss of marine resources, threatening both the biodiversity of coastal ecosystems and the communities that rely on them. Existing top-down, centralized forms of environmental governance lack the flexibility needed to address these issues especially at local scales, while bottom-up approaches often lack the coordination and authority needed to respond quickly to change. More adaptive forms of marine governance are needed to ensure that PICTs …


The Sylvan Blindspot: The Archaeological Value Of Surface Vegetation And A Critique Of Its Documentation, John S. Harris Jan 2018

The Sylvan Blindspot: The Archaeological Value Of Surface Vegetation And A Critique Of Its Documentation, John S. Harris

Graduate Student Theses, Dissertations, & Professional Papers

Surface vegetation at archaeological sites is a resource overlooked in cultural resource management. Drawing upon comparative documentary surveys of site forms and human surveys of 161 archaeologists in 12 U.S. states, this thesis explores why surface vegetation offers archaeological data potential; how archaeological documentation is an artifact of archaeologists, shaped by various subjectivities; and how improvements can be made for vegetal description in cultural inventory site forms. The surveys offer a critique on how the site form records are a product of disciplinary training oversights, differing work background experience, cultural bias, limitations in botanical knowledge, regional differences in U.S. archaeological …


Ground Deformation Studies And Evacuation Behavior During Eruptions At Guatemalan Volcanoes, Hans Lechner Jan 2018

Ground Deformation Studies And Evacuation Behavior During Eruptions At Guatemalan Volcanoes, Hans Lechner

Dissertations, Master's Theses and Master's Reports

Volcanic eruptions can be an especially problematic hazard when considering the uncertainty in eruption timing and magnitude coupled with challenges associated with delivering warnings to remote areas and facilitating effective evacuations. The hazards presented by Guatemala’s active volcanoes demand enhanced monitoring capabilities and instrumentation infrastructure. Strengthening the link between the physical and social sciences should lead to more accurate, reliable, and timely hazard information to the people living in proximity to the volcano and facilitate rational decisions and actions that reduce their level of risk. While there is no one single technique that can provide unambiguous diagnostics about the timing, …


Affective Risk Perception In Automotive Environments, Dane Atkins Jan 2018

Affective Risk Perception In Automotive Environments, Dane Atkins

Dissertations and Theses @ UNI

Traversing the automotive environment exposes drivers to a risk of property damage, injury, and death. This risk varies across the road network. This research questions whether drivers are capable of accurately perceiving their own exposure to risk in this environment. Analysis begins with an assessment of risk exposure at roadway intersections (as measured in terms of crash frequency, severity, and mixed-weighting methods). This assessment provides risk indices for a cross-section of road intersections across an urban Iowa community. These indices are then used in the development of an experimental visual cognition survey used to record risk perceptions of roadway sites …


Transitioning Montana To A Renewable Energy Future: The Social And Economic Impacts, Jacqueline O. Sussman Jan 2018

Transitioning Montana To A Renewable Energy Future: The Social And Economic Impacts, Jacqueline O. Sussman

Graduate Student Theses, Dissertations, & Professional Papers

Montana is home to the second-largest coal-fired power plant in the West, the Colstrip Generating Station. The value and demand for coal both domestically and globally is quickly diminishing, while the renewable energy industries of wind and solar are booming. As utilities in the Northwest transition their investments from coal to renewable energy, Montana faces a critical decision on the future of its energy system that will impact the lives of generations of Montanans to come.

This five-part report aims to aid in the discussion and decision-making process by reviewing the most up-to-date economic data on renewable energy; discussing the …


A Cartographic Workflow Manual For Endangered Species Conservation, Martin P. Viereckl Jan 2018

A Cartographic Workflow Manual For Endangered Species Conservation, Martin P. Viereckl

Graduate Student Theses, Dissertations, & Professional Papers

In response to global consumer demand for rare and exotic wildlife products, poaching of endangered species has become pervasive around the world (Eliason 1999). Despite the enactment of CITES, and other international efforts to protect vulnerable species from overexploitation, the global market for illegal wildlife products is estimated as high as $20-billion a year industry (Wyler 2008). Within important wildlife habitat sites, law enforcement struggle to curb rampant poaching that threatens the ultimate survival of many endangered species (Jachmann 2008; Rowcliffe 2004). Law-enforcement agencies responsible for protecting wildlife from poachers often lack geospatial tools that could greatly improve the effectiveness …


Managing Mining Pollution: The Case Of Water Quality Governance In The Transboundary Kootenai/Y, Ashley Juric Jan 2018

Managing Mining Pollution: The Case Of Water Quality Governance In The Transboundary Kootenai/Y, Ashley Juric

Graduate Student Theses, Dissertations, & Professional Papers

This thesis addresses current water quality management challenges in the transboundary Kootenai/y River Basin, and how these challenges are shaped by historical, economic, political, and social factors. The water quality of this basin, both in the United State and Canada, has been severely affected by coal mining that has occurred in British Columbia over the last hundred years and continues to be threatened by several proposed mining expansion projects. The goals of this research are to uncover the forces shaping water management and to determine the potential for interested and affected parties to participate in crafting water quality protection measures. …


40 Years On The International Flathead: An Assessment Of Transboundary River Governance, Jedd Sankar-Gorton Jan 2018

40 Years On The International Flathead: An Assessment Of Transboundary River Governance, Jedd Sankar-Gorton

Graduate Student Theses, Dissertations, & Professional Papers

Global population growth, climate change, and industrialization, are putting extreme pressures on worldwide freshwater supplies (Cosens 2010). Of the global freshwater supplies, transboundary water sources play a crucial role in sustaining populations. Over 40% of humans on Earth rely on a transboundary river or lake for access to water, and 90% of the world’s population lives in countries that share bodies of water with at least one other country (UN 2008). Taken together, the motivations for improving governance of transboundary water systems have never been stronger. To meet the challenges associated with transboundary water governance, researchers working at multiple scales …


Greening Of The Arctic: Plot-Scale Analysis Of Interactions Between Climate, Vegetation, And Permafrost At Toolik Lake, Alaska (1995 - 2017), Brianna Rick Jan 2018

Greening Of The Arctic: Plot-Scale Analysis Of Interactions Between Climate, Vegetation, And Permafrost At Toolik Lake, Alaska (1995 - 2017), Brianna Rick

Graduate Student Theses, Dissertations, & Professional Papers

Air temperatures across the Arctic have increased in recent decades, and through complex feedbacks, vegetation and permafrost (frozen ground) are actively responding as climate warming continues. This study investigates the trends and interactions of observed air, soil-surface temperature (SST), and active-layer thickness (ALT) at Toolik Lake on the Alaskan North Slope between 1995 and 2017, as well as vegetation change over time.

Time series between 1995 and 2017 at CALM site U12B, a 1 ha plot near Toolik Lake, reveal an increase (0.50 °C/decade) in mean summer (Jun-Aug) air temperatures and a decrease (­0.23 °C/decade) in mean summer SST. In …


In Case Of Emergency: Local Medical Services And Emergency Air Transportation In Southeast Alaska, Kourtney B. Johnson Jan 2018

In Case Of Emergency: Local Medical Services And Emergency Air Transportation In Southeast Alaska, Kourtney B. Johnson

Graduate Student Theses, Dissertations, & Professional Papers

Alaska, often referred to as “The Last Frontier”, is a vast, geographically diverse and sparsely settled landscape. Although many popular reality shows tend to exaggerate and dramatize life in Alaska, they do point to an important fact: when an emergency occurs, or someone experiences serious health complications, immediate access to sufficient medical services may not be available. Much of the state’s population faces barriers to accessing needed medical care due to large distances between communities and limited road networks due to coastal locations or challenging terrain.

Using Penchansky and Thomas’s five components of Access Theory (1981), this thesis explores factors …


Just Open A Window: Understanding The Vulnerability To Summer Heat Of A Mountain Community In The Western United States, Missoula, Mt, Julie J. Tompkins Jan 2018

Just Open A Window: Understanding The Vulnerability To Summer Heat Of A Mountain Community In The Western United States, Missoula, Mt, Julie J. Tompkins

Graduate Student Theses, Dissertations, & Professional Papers

How do we conceptualize vulnerability or resiliency to a natural hazard when it has not historically been understood as such? This study focuses on Missoula, located in mountains of western Montana, which has steadily grown by 1-2% per year to almost 75,000 residents. The formerly temperate quality of its winters and summers has also been changing. Projections from the 2017 Montana Climate Assessment estimate the state will experience a 2-5°F increase in mean annual air temperature over the next two decades, prompting city and county officials to plan for scenarios not formerly in their consideration. Of further concern is the …


American Black Bear Den-Site Selection And Characteristics In An Urban Environment, Toryn L. J. Schafer, Stewart W. Breck, Sharon Baruch-Mordo, David L. Lewis, Kenneth R. Wilson, Julie S. Mao, Thomas L. Day Jan 2018

American Black Bear Den-Site Selection And Characteristics In An Urban Environment, Toryn L. J. Schafer, Stewart W. Breck, Sharon Baruch-Mordo, David L. Lewis, Kenneth R. Wilson, Julie S. Mao, Thomas L. Day

United States Department of Agriculture Wildlife Services: Staff Publications

Selection of den sites is a crucial aspect of American black bear (Ursus americanus) life history. High-quality dens provide thermal insulation, protection from disturbance, suitable environment for parturition and cub development, and proximity to available forage upon emergence. Black bears are increasingly coexisting with people in human-dominated landscapes; however, little is known about whether urban environments influence characteristics of dens and den site selection. Our objective was to determine the effect of housing density (a proxy for human activity and availability of anthropogenic resources) on selection of den sites in years of good and poor natural forage.We additionally …


Superpixel-Based Hyperspectral Unmixing With Regional Segmentation, Mohammed Qassim Alkhatib Jan 2018

Superpixel-Based Hyperspectral Unmixing With Regional Segmentation, Mohammed Qassim Alkhatib

Open Access Theses & Dissertations

Unsupervised unmixing analysis aims to extract the basic materials, also known as, endmembers, and their fractions (or abundances) from a hyperspectral image. In this work, a new unsupervised unmixing approach based on Low Dimensional representation with regional analysis is developed. A low dimensional image representation is obtained using superpixel segmentation where each superpixel is represented by its mean spectra. Regional analysis is then performed using the quadtree segmentation based on the Shannon entropy. Endmembers are extracted from each region and combined using clustering into endmember classes. The proposed approach is tested and validated using the HyDICE Urban, ROSIS Pavia, and …


Fpga-Based On-Board Geometric Calibration For Linear Ccd Array Sensors, Guoqing Zhou, Linjun Jiang, Jingjin Huang, Rongting Zhang, Dequan Liu, Xiang Zhou, Oktay Baysal Jan 2018

Fpga-Based On-Board Geometric Calibration For Linear Ccd Array Sensors, Guoqing Zhou, Linjun Jiang, Jingjin Huang, Rongting Zhang, Dequan Liu, Xiang Zhou, Oktay Baysal

Mechanical & Aerospace Engineering Faculty Publications

With increasing demands in real-time or near real-time remotely sensed imagery applications in such as military deployments, quick response to terrorist attacks and disaster rescue, the on-board geometric calibration problem has attracted the attention of many scientists in recent years. This paper presents an on-board geometric calibration method for linear CCD sensor arrays using FPGA chips. The proposed method mainly consists of four modules—Input Data, Coefficient Calculation, Adjustment Computation and Comparison—in which the parallel computations for building the observation equations and least squares adjustment, are implemented using FPGA chips, for which a decomposed matrix inversion method is presented. A Xilinx …


Temporal Trends In Human Vulnerability To Excessive Heat, Scott C. Sheridan, Michael J. Allen Jan 2018

Temporal Trends In Human Vulnerability To Excessive Heat, Scott C. Sheridan, Michael J. Allen

Political Science & Geography Faculty Publications

Over recent decades, studies have examined various morbidity and mortality outcomes associated with heat exposure. This review explores the collective knowledge of the temporal trends of heat on human health, with regard to the hypothesis that humans are less vulnerable to heat events presently than in the past. Using Web of Science and Scopus, the authors identified all peer-reviewed articles that contained keywords on human impact (e.g. mortality, morbidity) and meteorological component (e.g. heat, heatwave). After sorting, a total of 71 articles, both case studies and epidemiological studies, contained explicit assessments of temporal trends in human vulnerability, and thus were …


The Dmz Responds, Seo-Young J. Chu Jan 2018

The Dmz Responds, Seo-Young J. Chu

Publications and Research

Seo-Young Chu’s “The DMZ Responds” appeared in Telos 184 (Fall 2018), a special issue on Korea edited by Haerin Shin.


Generalized Correlation Measures Of Causality And Forecasts Of The Vix Using Non-Linear Models, David E. Allen, Vince J. Hooper Jan 2018

Generalized Correlation Measures Of Causality And Forecasts Of The Vix Using Non-Linear Models, David E. Allen, Vince J. Hooper

Research outputs 2014 to 2021

This paper features an analysis of causal relations between the daily VIX, S & P500 and the daily realised volatility (RV) of the S & P500 sampled at 5 min intervals, plus the application of an Artificial Neural Network (ANN) model to forecast the future daily value of the VIX. Causal relations are analysed using the recently developed concept of general correlation Zheng et al. and Vinod. The neural network analysis is performed using the Group Method of Data Handling (GMDH) approach. The results suggest that causality runs from lagged daily RV and lagged continuously compounded daily return on the …