Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 303 for “"trails"”.
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The business of trails
Long distance trails have substantial infrastructure due to their length and provision of overnight shelters. Length and remoteness impact negatively on travel time for access, resulting in high maintenance costs. Additionally, as government budgets are declining globally, funding for trails can be …
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Summarizing audit trails in the Aeolus security platform
… of user-defined summaries of the Aeolus audit trails, as well as marking of events in the log for future archiving or deletion. Our system makes it easier to analyze the Aeolus event log and less costly to store events of interest. This is done through the use of a QuerySystem and …
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Analyzing audit trails in the Aeolus security platform
… implementation of an analysis system for audit trails generated by Aeolus, a distributed security platform based on information flow control. Previous work focused on collecting these audit trails in the form of event logs. This thesis presents a model for representing these events and a system …
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Audit trails in the Aeolus distributed security platform
… the operations monitored by Aeolus, our audit trails capture all actions that can affect system security. In our system, event records are collected on each system node and shipped to a centralized location, where they are stored and processed. To correlate audit trail events of different …
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Assessing and Evaluating Recreational Trails on Public Lands
… on trail width, from a survey of all formal trails in Acadia National Park, Maine, USA. Regression analyses of trail width data focus on increasing our understanding of the relationships among visitor use, environmental and managerial factors and trail width. In particular, regression …
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Wireless sensor network aided search and rescue in trails
… networks to search and rescue of lost hikers in trails and focus on the optimal placement of sensors and access points such that the cost of search and rescue is minimized. Particularly, we address two problems: a) how to identify the lost hiker position as accurately as possible, i.e., obtain a …
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Border Biomes: Coexistence and Interference on American Migration Trails
… and Interference on American Migration Trails, examines how 21st -century Mexican, Mexican American, and Chicanx literature and art depict dynamic, unstable geographies that defy common notions of fixed, inanimate borders and become sites of encounters where ontological limits are …
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Jackson Creek Arts and Trails, LLC: Museum Travel Immersion Programs
<p>Museums have become increasingly oriented towards reaching new audiences, encouraging visitor loyalty, and informing the public about their overall relevance. Innovation in programming is a centerpiece of this effort, including a provision of programs for all age groups and demographics. At the …
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Turbulent diffusion of sodium vapor trails in the upper atmosphere
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1964.
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Micro-physical modeling of aircraft exhaust plumes and condensation Trails
The ability to quantitatively assess the environmental impacts of air transport operations is necessary to estimate their current and future impacts on the environment. Emissions from aircraft engines are a significant contributor to atmospheric NOx driving climate change, air quality impacts and …
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Spatial Studies to Support the Management of Long Distance Trails
Trails are essential transportation infrastructure supporting access to protected natural areas and providing recreation to hikers, runners, cyclists, equestrians, motorists, and many more worldwide. This research presents spatial studies intended to improve understanding of the environmental, …
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Backcountry Trails Near Stream Corridors: An Ecological Approach To Design
Traditional trails near backcountry stream corridors are often designed with disregard to their potential ecological impact. Ecological and trail related literature show that riparian landscapes are sensitive to recreation impacts. This thesis examines concepts for designing trails in ecologically …
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Predicting Soil Erosion on Off-Road Vehicle Trails in Southwest Missouri
… Vechicle (ORV) use on specially designated trails since the 1960s. Soil erosion is a focal area of concern for environmental groups in the area. Methods for predicting soil erosion include the Universal Soil Loss Equation (USLE), Modified Universal Soil Loss Equation (MUSLE) and Geographic …
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Location and Design of Recreational Hiking Trails: Application of GIS Technology
… serve. Poorly located and designed recreational trails increase maintenance costs, resource degradation, and the inefficient utilization of public resources. The potential application of Geographic Information Systems (GIS) technology to this specific type of problem is examined through the …
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Trails by a river: for large orchestra and electronic sounds (MAX/MSP)
Trails by a River, for Large Orchestra and Electronic Sounds (MAX/MSP), is a work in which different compositional techniques come together. The work can be characterized as being in an eclectic style, involving aspects of practices such as micro polyphony, pointillism, spectralism, computer music, …
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How do self-guided trails contribute to the creation of tourist spaces?
… PhD thesis examines the field of self-guided trails and in particular addresses the research question: How do self-guided trails contribute to the creation of tourist spaces? The publications have been produced over a 13 year period and constitute a collection of conceptual and applied studies …
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Remodeling urban fitness trails to engaging and healthy public spaces for all
… applied by the program is to build “fitness trails” in available public spaces for nearby residents. However, these trails, consisting a limited amount of exercise equipment, are often obsolete and abandoned places risking the health and safety of nearby residents. This leaves us a big …
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Green trails as catalyst: revitalization of six post-mining towns in Illinois
… 53), this thesis proposes to generate green trails to connect the features and form a story-telling setting, exhibiting the post-mining towns’ past, thus revitalizing the post-industrial towns’ culture. Afterwards, by generating green trails and programming by using the strategy of …
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Influence of Plasma Trails from Hypersonic Events on HF Radar Data Capture
Meteors enter earth's atmosphere with a great amount of kinetic energy. As a result of this atmospheric contact, many meteors will be burned up before they can make it to earth's surface, but not before they cause atmospheric disturbances. The SuperDARN HF radar is designed to measure the …
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Fitness trails for continuing care retirement community residents: motivational cues to participation
… elements necessary to encourage use of fitness trails by residents of Continuing Care Retirement Communities (CCRCs) was investigated. Previous research suggested that both the walking and exercise parts of these fitness trails are being used by only a small percentage of' the residents. A …
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