Dissertations / Theses: 'Mount'

1

Queener, Nathan Lee. "The People of Mount Hope." Youngstown State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1263334302.

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Queener, Nathan L. "The people of Mount Hope /." Connect to resource online, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1263334302.

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3

Bircham, John Stanley. "Avalanche hazard forecasting at Mount Hutt." Thesis, University of Canterbury. Department of Geography, 1995. http://hdl.handle.net/10092/2776.

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The decision making process of avalanche hazard forecasting was studied during the ski season of 1995 at Mount Hutt. The objective was to derive the main contributing factors of avalanche forecasting and then assess the potential of Geographic Information Systems (GIS) as a tool to assist with the decision making process. A snow distribution model was developed utilising the contributing factors that were identified. Interviews were conducted with the three principle avalanche forecasters from the Mount Hutt Ski Patrol. Each forecaster was presented with a series of storm scenarios, and then asked what information they wanted to know and when they wanted it, while making their avalanche hazard assessment and forecast. The information requested by each forecaster were very similar. However, there was a distinct difference with how each forecaster interpreted the available information. They often used different approaches when assessing snow stability, but ultimately arrived at the same conclusion about the potential avalanche hazard. The key contributing factors identified in this research were wind speed and direction, snowfall intensity, the amount of new snow, and the surface conditions upon which the new snow was being deposited. A GIS model using Grid was developed to assess the spatial distribution of snow during two storm scenarios. The model appeared to work well, given that it was only designed to assess the potential of GIS. The resulting output of the model would have provided the forecasters with a more accurate estimate of snow distribution. Forecasters have to estimate the spatial distribution of snow and its stability, based on experience and know knowledge. GIS has the potential to provide accurate estimates of this distribution, that could ultimately assist conventional avalanche forecasters.

4

Ekman, Karl, and Andreas Holman. "K2 - Mindre företag i revisionsbranschens "Mount Everest"?" Thesis, Södertörn University College, School of Business Studies, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-3498.

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Bakgrund och problemdiskussion: Med bakgrund i regeringens mål i att minska de administrativa kostnader för företag, beslutade Bokföringsnämnden 2004 att ändra inriktning på den praxis som då fanns för redovisning. Detta genom att ta fram nya och samlade regelverk för noterade och icke-noterade företag. Regelverken delades upp i fyra kategorier baserat på företagsform och storlek K1-K4. I dagsläget finns olika regelverk och rekommendationer att tillämpa, vilka ges ut av olika organisationer. Förenklingarna för företagen i K2 kategorin består i att alla redovisningsregler ska finnas i ett samlat dokument, samt att det inte ska vara möjligt att välja olika alternativa redovisningsprinciper. Hur stora fördelarna är med det nya regelverket beror dock på företagets kompetens och resurser avseende externredovisning. En bransch som passar väl in på föregående beskrivning är revisionsbranschen. För att studera om revisionsbranschen har uppfattat de eventuella fördelar ska författarna undersöka hur många mindre revisionsföretag som själva redovisar enligt BFNAR 2008:1 och om det finns någon urskiljande karakteristik för dem.

Syfte: Uppsatsen är explorativ och syftar till att undersöka hur många som har tillämpat BFNAR 2008:1 och se om det är någon skillnad kontra de som inte valt att tillämpa K2-regelverket. Vidare kommer det även undersökas om det finns någon urskiljande karakteristik för den gruppen som valt att tillämpa K2, samt att se hur revisionskostnaden har påverkats.

Metod: Uppsatsen kommer att genomföras med det analytiska synsättet som grund, där författarna ska genomföra en beskrivande undersökning där om möjligt karakteristik ska identifieras. Affärsdata ligger till underlag för empirinsamlingen. Resultatet av undersökningen analyseras utifrån den teoretiska referensramen i uppsatsen för att besvara problemställningen.

Analys och slutsats: Endast 17 av 977 företag hade tillämpat det nya regelverket. Av empirin och analysen framkommer att det fanns vissa mindre skillnader mellan de som valt att tillämpa K2 eller inte. Men inte något som kan klassas som urskiljande karakteristik för gruppen som tillämpade K2. Den enda variabeln som statistiskt gick att säkerställa var soliditet.

5

Hui, Ip Kee. "Analysis of surface mount technology solder joints." Thesis, Brunel University, 1996. http://bura.brunel.ac.uk/handle/2438/5380.

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The factors determining the quality of surface mount technology (SMT) solder joints are numerous, and complex. The exploration of these factors, and how they may affect the reliability and quality of the joints can only be achieved through continuous research. In this project, essential areas of SMT joints were selected for study and analysis, with the intention of providing additional design and process guidelines for the production of quality SMT joints. In the infrared reflow process, one of the common defect phenomena is the occurrence of tombstoning; that is after soldering only one end of the component is soldered while the other is lifted up, assuming a position like a tombstone. The initiation of tombstoning during reflow was analysed based on the forces acting on the component. A model was developed to predict the initiation of this phenomenon. The model shows that, under vibration-free conditions, the surface tension of the molten solder is the source of the force causing the initiation of tombstoning. The contact angle, which varies with the length of the printed circuit board solder land, has a significant effect on the value of the surface tension acting as a force pulling upward on the component. The model further shows that tombstoning initiation is due to the combined effects of the surface tension; the weight of the component; the dimensions of the component; the length of the solder underneath the component; and the length of the solder protruding from the end of the component. Selected components were used as examples for predicting the conditions of initiation, and these conditions were further substantiated by a series of experiments. Another area of study was a method which directly pulled the components off printed circuit boards and this was used as a means for testing the bond quality of surface mount technology leadless chip solder joints. Components D7243, CC1206, RC1206, RC121O, and CC1 812 were selected for this study. It was found that the ultimate tensile force which breaks a component off the printed circuit board has the potential to be used as a parameter for measuring the quality of the solder joint. The effect of solder thickness on the strength of a joint has also been investigated. The shape of joints soldered by two methods, wave soldering and infrared reflow, were compared. Joints at the two ends of a component produced by infrared reflow were found more uniform than the ones produced by wave soldering. A recommendation is made here for the wave soldering approach in achieving uniform solder joints. The effects of solder shape on the joint strength were further investigated by finite element analysis. A convex joint was found marginally more robust than a concave joint. Two aspects of the internal structure of SMT solder joints were investigated, void content and copper/tin intermetallic compounds. The voiding conditions of wave-soldered and infrared reflow joints were compared. No voids were found in all specimens that were produced by wave soldering. However, there were always voids inside joints produced by infrared reflow. Microhardness tests indicated that the hardness of compounds at the copper/solder interface of infrared reflowed joints is lower than that in the wave-soldered joints. It is considered that the lower hardness of the interfacial region of the infrared reflowed joints is due to the presence of voids. Scanning electron microscopy was used to study the formation of copper/tin intermetallic compounds for joints produced by infrared reflow. The results show that Cu 6 Sn5 was the only compound with a detectable thickness. Other compounds such as Cu3 Sn, were virtually not found at all. Aging of the joints at 100°C, shows that both the Cu 6Sn5 and the overall interfacial thickness grew with time. One of the important areas which had been overlooked previously and was studied in some details was the effects of solder paste exposure on the quality of solder paste. The characteristic changes of solder paste due to exposure were investigated in three areas, weight loss, tackiness, and rheology. The evaporation of low boiling point solvents was considered as the main contribution to the loss in the weight of the solder paste. The weight loss against exposure time was found to follow an exponential behaviour. A method was designed to evaluate the tackiness changes of solder paste due to exposure. It was found that the decay of tackiness against exposure time can be expressed by a power law. It is recommended that solder paste manufacturers should provide the necessary characteristic constants so as to enable the characteristics to be calculated after a specific exposure. The rheological changes of the solder paste as a result of exposure were also investigated. The implication on the printability of the solder paste due to these changes was studied and discussed.

6

Burke, Shaunna. "Mental strategies of elite Mount Everest climbers." Thesis, University of Ottawa (Canada), 2003. http://hdl.handle.net/10393/26453.

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Elite athletes use mental strategies in a wide variety of sports to enhance performance (Cancio, 1993; Orlick & Partington, 1999; Schomer, 1987; Tammen, 1996). High-level athletes have been found to use mental strategies before, during, and after competition (Orlick, 2000). Little research has been conducted to explore the mental strategies used by high altitude climbers. Elite high altitude climbers are a special population of athletes who perform in extremely adverse situations. The question of how these climbers prepare for the climb and what types of mental strategies they use to overcome obstacles on the mountain has not been addressed in the literature. The objectives of this study on the use of mental strategies by elite Mount Everest climbers were twofold: (a) to explore how elite Mount Everest climbers mentally prepared for the climb and (b) to explore the mental strategies they utilized to overcome obstacles on the mountain to successfully reach the summit. The main areas addressed include detailed planning, mental toughness, imagery, focus, short-term goal setting, drawing on past experiences, feeling support from other climbers, belief in personal capacities, and connecting with one's body. There were commonalities among the participants in terms of the application of these strategies but also uniqueness in the way each participant described the various mental strategies. The findings of this study provide valuable information that could help future high altitude climbers reach their goals, as well as expedition leaders and sport psychologists to work more effectively with climbers to prepare them for the climb and the potential obstacles that can hinder success on the mountain.

7

Ongaro, Joel Nyanguya. "The vegetation of Mount Kenya (Chogoria Track)." Thesis, Lancaster University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360646.

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8

Bruns, Joel. "Dynamic Analysis of a Hydraulic Body Mount." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu149407914091249.

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9

Artho-Bentz, Samuel S. "Telescope Parallel Actuator Mount: Control and Testing." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2242.

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This thesis approaches the task of designing a control system for the Parallel Actuator Mount developed by Dr. John Ridgely and Mr. Garrett Gudgel. It aims to create a base framework that directly controls the telescope and can be expanded to accept external command. It incorporates lower priced components and develops more easily approachable software with great functionality. An open-loop method for velocity control is established. Developing repeatable tests is a major focus. Testing finds the control methods developed result in velocity error of less than 5% and position error of less than 1.5% despite several mechanical issues and inaccuracies. Design guidelines are established that allow for the easy implementation of a Parallel Actuator Mount on other systems. This paper proves that the Parallel Actuator Mount is a potentially viable system for aiming a telescope when an astronomer does not require full sky coverage. The tests showed too much error to fully recommend the system as built and tested, but there are paths to increase accuracy of the system without greatly increasing the complexity or cost. The inclusion of a method of feedback, including a plate solver and an inertial measurement unit, would greatly improve the system. It may also be of use to modify the software to include a variable time step for the velocity control.

10

Perdue, James Patrick. "Modeling and simulation of surface mount packages." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-07112009-040410/.

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11

Durrant, Marie Bradshaw. "Communities, Place, and Conservation on Mount Kilimanjaro." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd486.PDF.

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12

Åström, Åberg Fabian. "Dry-run med hjälp av union mount." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-123461.

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Många avancerade och komplexa system används idag run-tom i världen och flera av dem är väldigt viktiga att de fungerar och fortsätter göra det. För att inte förstöra dessa system så kan en dry-run användas om någonting behöver uppdateras eller ändras. Med dry-run menas att en ändring aldrig händer men att resultaten av ändringen kan visas på en skärm eller förmedlas på något sätt. Det här arbetet undersöker om unionmount är en bra lösning för att implementera detta. Arbetetvisar att det finns möjligheter för att implementeras men det finns en del problem som behöver lösas. Detta kan också bero på vilket system man vill implementera det i.

13

Spake, Phillip. "Geothermal Exploration North of Mount St. Helens." Master's thesis, Temple University Libraries, 2019. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/585881.

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Geology
M.S.
Active seismicity and volcanism north of Washington state’s Mount St. Helens provide key ingredients for hydrothermal circulation at depth. This broad zone of seismicity defines the St. Helens Seismic Zone, which extends well north of the volcanic edifice below where several faults and associated fractures in outcrop record repeated slip, dilation, and alteration indicative of localized fluid flow. Candidate reservoir rocks for a geothermal system include marine metasediments overlain by extrusive volcanics. The colocation of elements comprising a geothermal system at this location is tested here by analysis of the structures potentially hosting a reservoir, their relationship to the modern stress state, and temperature logs to a depth of 250 m. Outcrop mapping and borehole image log analysis down to 244 m document highly fractured volcaniclastic deposits and basalt flows. Intervening ash layers truncate the vertical extent of most structures. However, large strike slip faults with well-developed fault cores and associated high fracture density cross ash layers; vein filling and alternation of the adjacent host rock in these faults suggest they act as vertically extensive flow paths. These faults and associated fractures record repeated slip, dilation, and healing by various dolomite, quartz, and hematite, as well as clay alteration, indicative of long-lived, localized fluid flow. In addition, where these rocks are altered by igneous intrusion, they host high fracture density that facilitated heat transfer evidenced by associated hydrothermal alteration. Breakouts in image logs indicate the azimuth of SHmax in the shear zone is broadly consistent with both the GPS plate convergence velocity field as well as seismically active strike slip faults and strike-slip faults mapped in outcrop and borehole image logs. However, the local orientation of SHmax varies by position relative to the edifice and in some cases with depth along the borehole making a simple regional average SHmax azimuth misleading. Boreholes within the seismic zone display a wider variety of fracture attitudes than those outside the shear zone, potentially promoting permeability. Temperature profiles in these wells all indicate isothermal conditions at average groundwater temperatures, consistent with rapidly flowing water localized within fractures. Together, these results indicate that the area north of Mount Saint Helens generates and maintains porosity and permeability suggesting that conditions necessary for a geothermal system are present, although as yet no modern heat source or hydrothermal circulation was detected at shallow depth.
Temple University--Theses

14

Lessing, Robert Reed. "The holiness of Yahweh in conflict with the holiness of Baal vis-a-vis Mount Zion and Mount Zaphon." Theological Research Exchange Network (TREN), 1989. http://www.tren.com.

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15

Mitchell, Ryan Franklin. "Ambivalent Landscapes: An Historical Geography of Recreation and Tourism on Mount Hood, Oregon." PDXScholar, 2005. https://pdxscholar.library.pdx.edu/open_access_etds/2227.

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Mount Hood is an Oregon icon. The mountain has as long and rich a history of recreation and tourism as almost any other place in the American West. But contemporary landscapes on Mount Hood reveal a recreation and tourism industry that has struggled to assert itself, and a distinct geographic divide is evident in the manner in which tourism has been developed. Why? In this study I chronicle the historical geography of recreation and tourism on Mount Hood. I examine the evolution of its character and pattern, and the ways in which various communities have used it to invest meaning in the places they call home. Despite the efforts of early boosters, Mount Hood has never been home to an elite destination resort like Aspen, Sun Valley, or Vail. Instead, modest recreation developed alongside timber and agriculture, and today the area is primarily a regional attraction. Unlike destinations with national and international clienteles that play a significant role in shaping lives and landscapes, local and regional interests are the primary drivers of recreation and tourism on Mount Hood. Communities on the mountain have incorporated the industry into their lives and landscapes to varying degrees. Mount Hood is also inextricably tied to Portland, and as an integral part of the city's history and identity, reflects its residents' tastes, values, and priorities. This combination of local and metropolitan interests has left an imprint on Mount Hood that reflects tensions and contradictions that define Oregon in the early twenty-first century: past vs. future, old vs. new economies, urban vs. rural inclinations, progress vs. status quo, and upscale vs. modest tastes. Spatially, temporally, and psychologically, Mount Hood straddles the divide between two visions: a service-based economy in the Willamette Valley, heavily dependent on technology, and a traditional, resource-based economy in much of the rest of the state.

16

Cosgrove, Betty. "Mount Morgan images and realities : dynamics and decline of a mining town /." Connect to this title online, 2001. http://elvis.cqu.edu.au/thesis/adt-QCQU/public/adt-QCQU20050427.131849/.

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Weatherford, Jonathan Michael. "Hydrogeologic Investigation of a Pumice Aquifer, Fremont/Winema National Forest, Oregon." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2479.

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The middle Holocene cataclysmic eruption of Mount Mazama blanketed Walker Rim, in south central Oregon, with 270 cm to 300 cm of pumice, causing capture of surface water systems by groundwater, stream relocation, and the formation of biologically diverse fens and seasonal wetlands. The pumice aquifer at Round Meadow, an 8.6 km2 basin, hosts both a fen and seasonally ponded wetlands. The Round Meadow watershed lies within a closed basin between the upper Klamath and Deschutes river basins. As the highest meadow at Walker Rim, it is a relatively well-constrained system to study the effects of hydrological disruption. A water budget was calculated for the basin, hydraulic conductivity was evaluated for the three main sediment layers in the meadow, recharge sources and evaporative trends were studied using stable isotope analysis, and aquifer residence times were estimated using CFC tracer water age dating. Water year 2014 was a drought year and observation of the system under stressed conditions allowed discrimination of four independently functioning components of the hydrogeologic system. These were the meadow, which is by far the largest component in terms of water storage, the fen where iron cementation and up to 1 m of peat holds water in a berm above the meadow, three springs which are sourced from deeper groundwater hosted in the bedrock which underlies the pumice deposit, and the outflow area. In all cases, the aquifer material is pumice, but the influence of the pre-eruption landscape and post-eruption modifications of the aquifer material have resulted in partial isolation of the components. The water budget analysis indicated that the basin lost 44 cm of water storage during WY 2014. Hydraulic conductivity values of 1x10-6, 2x10-2, and 4x10-5 cm/s, were determined for the diatomaceous silt underlying the pumice, the Plinian pumice fall aquifer, and for the diatomaceous silt overlying the pumice, respectively. The pumice is characterized as a perched, weakly confined aquifer and residence times in the pumice are much longer (decades) than for water near the surface of the meadow. Water discharging at the springs is isotopically different (lighter) than either the surface water or groundwater in the pumice aquifer. The fen at Round Meadow appears dependent on seasonal precipitation to recharge water, and responds to fluctuations in annual precipitation. The wetland meadows are volumetrically the main water-storing features at Round Meadow, and these are not homogenous features, but a combination of discrete components.

18

Layton, Ronald A. "Sustainability issues in the Central Mount Lofty Ranges." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envl429.pdf.

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Bibliography: leaves 78-83. "The dissertation brings together discourses relating to sustainability with that of the environment, at least in terms of its meaning and responses to it being culturally constructed. The Central Adelaide Hills provides the locality for achieving this, which a peri-urban environment is subject to the power exerted by urban Adelaide as well as the tension arising out of land use conflict and attitudes to the environment."

19

Kim, Jihun. "Assembly of a large common mount astronomical interferometer." Thesis, The University of Arizona, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3559991.

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A large multi-aperture telescope has the potential to reach the diffraction limit corresponding to its baseline. To do so, Adaptive Optics (AO) and beam combination are critical to good performance. Operation as an interferometer is a complicated mode for the telescope. The system now has much tighter tolerances and is difficult to align. The alignment process needs to be planned in multiple steps, and tolerance and sensitivity analysis needs to be performed for each step. Alignment tools can be prepared based on the resolution found in the sensitivity analysis in each step.

Random fluctuation is another critical factor that reduces system performance. If noise sources near the telescope are characterized and identified, image quality can be improved by post-image processing.

Measuring the outer scale of atmosphere is also helpful for understanding the system performance. The fringe tracking method in the Large Binocular Telescope Interferometer (LBTI) system provides optical path difference (OPD) variation, and the power spectral density of the OPD variation is used to estimate the size of the outer scale. However, this method is limited by the baseline of the LBTI by 5[special characters omitted] B, where B is the baseline, and by this equation the outer scale size which is able to be estimated should be more than 125 m.

AO simulation can provide an understanding of new AO system concepts and parameter variations before they are applied to the real system. In this dissertation study, we simulated an LBTI system with structural vibration of 10 Hz and 20 Hz and with various amplitudes. From the simulation, we learned that the slower bandwidth of piston-correcting systems allows stars as faint as ~13^the magnitude to be observed. If there is significant vibration on the structure, the increased bandwidth will limit the phasing stars to 10~11^th magnitudes. This demonstrates the limits of the LBTI system regarding structural vibration.

An alternative phasing sensor for the LBTI system, the pseudo phasing sensor, can be used for more than 1000 m of outer scale of atmosphere. If the direct phasing sensor embedded in the LBTI system cannot be used for a very faint star, the pseudo phasing sensor, which approximately estimates the phase difference by AO wavefront sensor, can be useful for atmospheric conditions with estimated outer scale of about 1000 m.

The analyses in this dissertation provide a partial guide for developing large-scale telescopes and astronomical instruments.

20

Olago, Daniel Ochieng. "Late Quaternary lake sediments of Mount Kenya, Kenya." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296036.

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21

Lau, Matthew B. (Matthew Bock Wor) 1974. "GeoPak : monitoring climbers and climate on Mount Everest." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/36097.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 1999.
"October 9, 1998."
Includes bibliographical references (leaves 35-36).
This thesis tells the tale of the geoPak, a device designed to collect and transmit information about its position and surrounding environment. It uses the Global Positioning System (GPS) and low power sensors to collect information about location, temperature, humidity, air pressure, and light. A radio transmitter then sends this information to a remote base station, letting people far away monitor the 'Pale In May, 1998, the geoPak was used to monitor four climbers on Mount Everest climbing from base camp at 17,500 feet to the highest point in the world, more than two miles higher. Environmental difficulties, forced tests to terminate around 26,000 feet, but insights gained from these experiments have led to a continuation of the project with revised goals. This thesis describes the design and implementation of the first geoPak prototypes, and their testing on Everest.
by Matthew B. Lau.
M.Eng.

22

Hattori, Austin A. "Dreams of Mount Helicon: Callimachus and Oneiric Inspiration." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1613732017667735.

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23

Deignan, Ryan. "Michael Daugherty's Mount Rushmore: Analysis and Conductor's Guide." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1538671/.

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According to the American League of Orchestras' most recent report, Michael Daugherty is one of the ten most performed American composers of concert music in modern times. He has received six GRAMMY awards, including awards for Best Contemporary Classical Composition in 2011 and 2017. Characteristics of Daugherty's music are diverse: colliding tonalities and blocks of sound, driving polyrhythmic counterpoint, and jazz and pop elements. His music can be minimalistic at times and at others, stirringly melodic. Amongst this eclecticism, a fascination with American iconography remains a consistent hallmark of his music, exemplified by titles such as American Gothic, Jackie O, or Lost Vegas. Daugherty has stated that his goal is to create sophisticated, abstract music that is also catchy or memorable, with melodies and cultural allusions that audiences can "hang their hat on." Despite widespread success, relatively little scholarly work has been done on Daugherty's music, providing an opportunity for further research. The primary goal of this study is to add to the literature on Michael Daugherty by providing an analysis and conductor's guide of his first choral-orchestral work, Mount Rushmore. It is a genuine show piece, galvanizing and colorful, modestly demanding of the listener, and appreciated by individuals of diverse musical backgrounds. The work also contains multitudes, offering layers of musical complexity and extensive historical symbolism for those who wish to engage further. Daugherty's Mount Rushmore offers immediate appeal and an excellent return on investment. Using interviews with the composer as well as detailed formal, harmonic, and historical-textual analysis, this paper provides in-depth information and guidance to future conductors who wish to present an appealing choral-orchestral work by a prominent, living American composer. Conductors who program Daugherty's Mount Rushmore will find it valuable for their ensemble and community for years to come.

24

Anderson, Walter. "Parametric Investigation Toward Achieving an Optimal Magnetorheological Mount." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271339488.

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Sylvan, Andreas. "Internet of Things in Surface Mount TechnologyElectronics Assembly." Thesis, KTH, Medieteknik och interaktionsdesign, MID, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-209243.

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Currently manufacturers in the European Surface Mount Technology (SMT) industry seeproduction changeover, machine downtime and process optimization as their biggestchallenges. They also see a need for collecting data and sharing information betweenmachines, people and systems involved in the manufacturing process. Internet of Things (IoT)technology provides an opportunity to make this happen. This research project gives answers tothe question of what the potentials and challenges of IoT implementation are in European SMTmanufacturing. First, key IoT concepts are introduced. Then, through interviews with expertsworking in SMT manufacturing, the current standpoint of the SMT industry is defined. The studypinpoints obstacles in SMT IoT implementation and proposes a solution. Firstly, local datacollection and sharing needs to be achieved through the use of standardized IoT protocols andAPIs. Secondly, because SMT manufacturers do not trust that sensitive data will remain securein the Cloud, a separation of proprietary data and statistical data is needed in order take a stepfurther and collect Big Data in a Cloud service. This will allow for new services to be offered byequipment manufacturers.
I dagsläget upplever tillverkare inom den europeiska ytmonteringsindustrin för elektronikproduktionsomställningar, nedtid för maskiner och processoptimering som sina störstautmaningar. De ser även ett behov av att samla data och dela information mellan maskiner,människor och system som som är delaktiga i tillverkningsprocessen.Sakernas internet, även kallat Internet of Things (IoT), erbjuder teknik som kan göra dettamöjligt. Det här forskningsprojektet besvarar frågan om vilken potential som finns samt vilkautmaningar en implementation av sakernas internet inom europeisk ytmonteringstillverkning avelektronik innebär. Till att börja med introduceras nyckelkoncept inom sakernas internet. Sedandefinieras utgångsläget i elektroniktillverkningsindustrin genom intervjuer med experter.Studien belyser de hinder som ligger i vägen för implementation och föreslår en lösning. Dettainnebär först och främst att datainsamling och delning av data måste uppnås genomanvändning av standardiserade protokoll för sakernas internet ochapplikationsprogrammeringsgränssnitt (APIer). På grund av att elektroniktillverkare inte litar påatt känslig data förblir säker i molnet måste proprietär data separeras från statistisk data. Dettaför att möjliggöra nästa steg som är insamling av så kallad Big Data i en molntjänst. Dettamöjliggör i sin tur för tillverkaren av produktionsmaskiner att erbjuda nya tjänster.

26

Vonasek, Scott M. "Synchronizing the 3M Cushion Mount Plus supply chain." Online version, 2000. http://www.uwstout.edu/lib/thesis/2000/2000vonaseks.pdf.

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Parmar, Himanshu. "Custom design rack mount system for ftp server." Click here to view, 2009. http://digitalcommons.calpoly.edu/eesp/6/.

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Thesis (B.S.)--California Polytechnic State University, 2009.
Project advisor: Michael Cirovic. Title from PDF title page; viewed on Feb. 4, 2010. Includes bibliographical references. Also available on microfiche.

28

Gudgel, Garrett Daniel. "Three Degree-of-Freedom Parallel Actuator Telescope Mount." DigitalCommons@CalPoly, 2015. https://digitalcommons.calpoly.edu/theses/1547.

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This thesis contains the design, implementation, and testing of an original, small-scaled two degree-of-freedom telescope mount and a medium-scaled three degree-of-freedom telescope mount inspired by the six degree-of-freedom Stewart-Gough platform telescope mount. The end product is intended to achieve research-standard resolution of targeted sky coverage for binary star research. The scaled prototype was carried through concept design, manufacturing, software development, and testing. The mount software development and electronic design is applicable to a full-scale mount as the drivers have been designed to be easily adapted to different actuator configurations. It is recommended that this design be implemented into a telescope in the one to two meter range for economic practicality.

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Schneider, Andrew Daniel 1982. "Constraints on Eruption Dynamics, Mount St. Helens, WA, 2004-2008." Thesis, University of Oregon, 2009. http://hdl.handle.net/1794/10026.

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xi, 114 p. : ill. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.
Different models have been proposed for the "drumbeat" earthquakes that accompanied recent eruptive behavior at Mount St. Helens. Debate continues as to whether seismicity is related to brittle failure during the extrusion of solid dacite spines or is the result of hydrothermal fluids interacting with a crack buried in the volcanic edifice. My model predictions of steady-state conduit flow confirm the strong control that degassing exerts on eruptive behavior. I discuss the necessary role of degassing for extruded material to attain the high density (low vesicularity) of the observed spine material and discuss the implications for generating seismicity. A brittle-failure source of seismicity requires that the gouge elastic properties accommodate some strain, since the magma compressibility in the upper conduit is too low to do so on its own. I also report on a novel method for generating high-resolution digital elevation models of fault surface textures.
Committee in Charge: Dr. Alan Rempel, Chair; Dr. Katharine Cashman; Dr. David Schmidt

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Pirot, Rachel. "Initiation zone characterization of debris flows in November, 2006, Mount Hood, Oregon." PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/707.

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In November, 2006, a storm generated a minimum of 34 cm of precipitation in six days, triggering debris flows in many of the drainages on all sides of Mount Hood, Oregon. Of the eleven drainages surveyed, seven experienced debris flows; these include the White River, Salmon River, Clark Creek, Newton Creek, Eliot Creek, Ladd Creek and Sandy River basins. Flows in the White River, Eliot Creek, and Newton Creek, caused major damage to bridges and roadways. Initiation elevations averaged around 1,860 meters. Initiation zone material was predominantly sand (45-82%) with gravel (15-49%) and had few fines (3-5%). Four debris flows were triggered by landslides caused by undercutting of the river banks. Three developed through coalescence of multiple small debris flows within major channels and were termed "headless debris flows". Physical and morphological characterization of source areas was used to assess factors controlling debris flow initiation. Although findings indicate that all major drainages on Mount Hood are capable of producing debris flows, drainages with direct connection to a glacier, low percentages of vegetation, and moderate gradients in the upper basin were the most susceptible. Among basins not having debris flows, neither the Zigzag River nor Polallie Creek have a direct connection to a glacier, And the Muddy Fork and the Coe both have high percentages of vegetated slopes. The material in the upper basin of the Muddy Fork is predominately rock making initiation there weathering-limited. Additionally, the Muddy Fork and the Zigzag have two of the steepest gradients on the mountain. This pattern suggests that material there is regularly transported downstream through normal fluvial processes rather than building up to be catastrophically removed through debris flow processes.

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Williams, Kendra Justine. "Analysis and Characterization of Debris Flows in November, 2006, Mount Adams, Washington." PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/186.

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Debris flows caused by heavy rains occurred in November of 2006 on several Cascade volcanoes. Mt. Adams experienced debris flows in seven of eighteen drainages including Adams Creek, Big Muddy Creek, Lewis Creek, Little Muddy Creek, Muddy Fork, Rusk Creek and Salt Creek. Six debris flows occurred on the northeast side of the mountain. A landslide initiated one debris flow, three were initiated by heavy water flow and in channel landslides, and three were initiated by a coalescence of eroded channels (headless debris flows). Four pre-2006 debris flows were found in the Cascade Creek, Crofton Creek, Hellroaring Creek and Morrison Creek drainages. Every 2006 debris flow initiated in Quaternary glacial drift. Attributes of the drainages were investigated to determine differences between drainages with debris flows and those without. The upper basins of drainages with debris flows averaged 37% glacial coverage, 29% bedrock and 35% unconsolidated material. The upper basins of drainages without debris flows without averaged 12% glacial coverage, 63% bedrock, and 25% unconsolidated material. All of the drainages with debris flows were directly connected to a glacier, opposed to only 36% of the drainages without debris flows. Drainages with debris flows averaged 18% slopes above 33°, 10% vegetation, a gradient of 0.38, a Melton's Ruggedness Number of 0.62, an average annual rainfall of 2.16 m, and -52% glacier lost between 1904-2006. The upper basins of drainages without debris flows averaged 11% slopes above 33°, 18% vegetation, a gradient of 0.31, a MRN of 0.58, an average annual rainfall of 2.38 m, and -41% glacier lost between 1904-2006. A multiple logistic regression was performed to determine factors with highest influence on predicting the probability of a debris flow. Influencing factors were percent glacial coverage and average annual rainfall. They predicted the 2006 debris flows with an 89% accuracy rate. This model was used to produce a debris flow hazard map. Due to the number of Cascade volcanoes that experienced debris flows as a result of the November 2006 storm, data of this type could be combined from multiple mountains to construct a general Cascade Mountain debris flow hazard model.

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Lindsey, Kassandra. "Debris Flow Susceptibility Map for Mount Rainier, Washington Based on Debris Flow Initiation Zone Characteristics from the November, 2006 Climate Event in the Cascade Mountains." PDXScholar, 2015. http://pdxscholar.library.pdx.edu/open_access_etds/2654.

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In November 2006 a Pineapple Express rainstorm moved through the Pacific Northwest generating record precipitation, 22 to 50 cm in the two-day event on Mt. Rainier. Copeland (2009) and Legg (2013) identified debris flows in seven drainages in 2006; Inter Fork, Kautz, Ohanapecosh, Pyramid, Tahoma, Van Trump, and West Fork of the White River. This study identified seven more drainages: Carbon, Fryingpan, Muddy Fork Cowlitz, North Puyallup, South Mowich, South Puyallup, and White Rivers. Twenty-nine characteristics, or attributes, associated with the drainages around the mountain were collected. Thirteen were used in a regression analysis in order to develop a susceptibility map for debris flows on Mt. Rainier: Percent vegetation, percent steep slopes, gradient, Melton's Ruggedness Number, height, area, percent bedrock, percent surficial, percent glacier, stream has direct connection with a glacier, average annual precipitation, event precipitation, and peak precipitation. All variables used in the regression were measured in the upper basin. Two models, both with 91% accuracy, were generated for the mountain. Model 1 determined gradient of the upper basin, upper basin area, and percent bedrock to be the most significant variables. This model predicted 10 drainages with high potential for failure: Carbon, Fryingpan, Kautz, Nisqually, North Mowich, South Mowich, South Puyallup, Tahoma, West Fork of the White, and White Rivers. Of the remaining drainages 5 are moderate, 10 are low, and 9 are very low. Model 2 found MRN (Melton's Ruggedness Number) and percent bedrock to be the most significant. This model predicted 10 drainages with high potential for failure during future similar events: Fryingpan, Kautz, Nisqually, North Mowich, Pyramid, South Mowich, South Puyallup, Tahoma, Van Trump, and White Rivers. Of the remaining drainages, 6 are moderate, 9 are low, and 9 are very low. The two models are very similar. Initiation site elevations range from 1442 m to 2448 m. Six of the thirteen initiation sites are above 2000 m. Proglacial gully erosion initiated debris flows seem to occur at all elevations. Those debris flows initiated partially by landslides occur between 1400 and about 1800 m. The combined regression analysis model for the Mt. Rainier, Mt. St. Helens, Mt. Hood, and Mt. Adams raised the predictive accuracy from 69% (Olson, 2012) to 77%. This model determined that percent glacier/ice and percent vegetation were the most significant.

33

Selberherr, Andreas. "Whole-Mount Immunhistochemie zur Darstellung der Herzkranzgefässe früher Mausfeten." Aachen Shaker, 2010. http://d-nb.info/100117772X/04.

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Boral, Caner. "Desing Of An Engine Mount With Dry Friction Damping." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12612132/index.pdf.

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Automotive engine mounts are used to support engine weight, protect engine from road inputs and isolate transmission of vibrations created by the engine, which has a drastic effect on the noise generated inside the passenger cabin. Most common types of engine mounts are elastomeric and hydraulic mounts, the former having better vibration isolation characteristics whereas the latter displays better shock isolation. Elastomeric mounts are widely used for their low initial cost, while hydraulic mounts with inertia track and decoupler are chosen for their good vibration isolation and shock excitation characteristics. However, hydraulic mounts with inertia track and decoupler are not appropriate for small segment and commercial vehicles due their high initial cost. In this thesis, the effect of the addition of a dry friction damper on the performance of elastomeric automobile engine mounts is investigated. Friction dampers are used to attenuate vibration amplitudes in many applications such as gas turbine engines, railway vehicles, space structures and civil buildings. In this study, a friction element is added to the engine mount at its axial direction and its effect is studied. Results show that, the addition of dry friction damping to the original system increases vibration isolation performance significantly at low frequencies
whereas, due to the increased stiffness of the system, at high frequencies dry friction damper has a mitigating effect on performance. In order to overcome this problem, original system parameters are modified. In the modified system a softer mount that increase vibration isolation performance at high frequencies
but, which might cause excessive static deflection due to reduced stiffness of the system is used. On the other hand, addition of dry friction damping prevents excessive static deflections due to the increased stiffness effect and also increases the performance at high frequencies due to the soft mount. Final results showed that vibration isolation performance at low frequencies increases considerably while vibration isolation performance at high frequency is similar and even slightly better than the original system with addition of dry friction damping.

35

Lyndaker, Bruce. "The disciple-life personalizing the Sermon on the mount /." Theological Research Exchange Network (TREN), 1990. http://www.tren.com.

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36

Berlo, Kim. "Time scales of magma evolution at Mount St. Helens." Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.432346.

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Purcell, Christopher John. "Scaling mount concurrency : scalability and progress in concurrent algorithms." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613269.

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Janse, van Vuuren Frank. "Design of a hexapod mount for a radio telescope." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6693.

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Thesis (MScEng (Mechanical and Mechatronic Engineering))--University of Stellenbosch, 2011.
ENGLISH ABSTRACT: The world's astronomy community is working together to build the largest and most sensitive radio telescope in the world namely: the SKA (Square Kilometre Array). It will consist of approximately three thousand dishes which will each require accurate positioning. The Square Kilometer Array has a testbed called the Phased Experimental Demonstrator (PED) in Observatory, Cape Town. A hexapod positioning mechanism is required to position a 3.7 m radio telescope which forms part of an array of seven radio telescopes. This thesis details the design process of the hexapod system. The design consists of the mechanical design of the joints and linear actuators, a kinematic and dynamic model, a controller and a user interface. In order to verify the design for the PED hexapod a scaled prototype was designed, built and tested. The hexapod's repeatability as well as ability to track a path was tested using an inclinometer. The tests confirmed the design feasibility of the PED hexapod and also highlight issues that require care when constructing the full scale hexapod, such as the amount of play in the platform joints. The designed full scale hexapod will have an error angle less than 0.13°, a payload capacity of 45 kg, withstand wind speeds of 110 km/h and cost R160 000.
AFRIKAANSE OPSOMMING: Die wêreld se sterrekundige gemeenskap is besig om saam te werk om die grootste en mees sensitiewe radioteleskoop in die wêreld te bou, naamlik: die SKA (Square Kilometre Array). Dit sal uit ongeveer drie duisend skottels bestaan wat elkeen akkurate posisionering benodig. Die SKA het 'n toetssentrum, genaamd die “Phased Experimental Demonstrator” in Observatory, Kaapstad. 'n Sespoot posisionering meganisme word benodig om die 3.7 m radioteleskoop te posisioneer, wat deel vorm van 'n stelsel van sewe radioteleskope. Hierdie tesis beskryf die proses om die sespoot stelsel te ontwerp. Die ontwerp bestaan uit die meganiese komponent van die koppelings en lineêre aktueerders, 'n kinematiese en dinamiese model, 'n beheerder, asook 'n gebruikersintervlak. 'n Geskaleerde prototipe is ontwerp, gebou en getoets om die ontwerp te verifieer. Die platform se herhaalbaarheid sowel as akkuraatheid om 'n pad te volg was getoets met 'n oriëntasie sensor. Die toetse het probleme uitgelig wat versigtig hanteer moet word gedurende die konstruksie van die volskaalse sespoot, veral die hoeveelheid speling in die koppelings. Die volskaalse sespoot ontwerp het 'n hoek fout van minder as 0.13°, 'n ladingsvermoë van 45 kg en kan 'n windspoed van 110 km/h weerstaan en kos R160 000.

39

Vanleeuwe, Hilde. "Managing the Mount Kenya environment for people and elephants." Thesis, University of Kent, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.413271.

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Forests contain much global biodiversity, and over 90% of the worlds' poorest people depend on them. Few forests remain in East Africa, and these are vulnerable to further fragmentation from expanding settlement, and to over-exploitation by people and wildlife that become prone to over-crowding through isolation. Kenya contains 26 natural habitat fragments and only 3% of forest cover across five main forest blocks. These blocks form the main water towers in semi-arid Kenya on which people and wildlife, far beyond the protected boundaries, depend. Mount Kenya (MK) is the largest forest block, and the protection of its water catchment function is of national importance (Chapter 2). The five forest blocks in Kenya hold almost one third of the total of 28,806 elephants in Kenya, of which MK was estimated as having the largest highland elephant population with 2,911 (±640) individuals in 2001 (Chapter 3). Elephant estimates in forest are usually derived from dung count surveys, which are prone to bias and accordingly most often classed as C or D, in the range from A (best) to E (worst), in the African Elephant Database (AED). The MK elephant estimate described in this thesis was one of only two dung count estimates that were classed as quality B in the AED of 2002 (Chapter 3). Explanatory models based on the dung count data were integrated with a geographic information system (GIS) to develop the most advanced predictive seasonal distribution maps currently available for elephants in a forested environment (Chapter 4). Furthermore, least-cost elephant travel routes and foraging paths were digitally traced over cost surface images, developed from data on preferred elephant habitats in different seasons, physical barriers such as extreme slopes, and land use barriers such as farmland (Chapter 5). This enabled the location of elephant movements in relation to plantations inside the MK forest, and investigation of the relationship between measured tree damage in plantations and elephant movements (Chapter 5). Two areas where subsequently identified where elephant routes strayed from the forest into adjacent farmland, which was where most elephant crop damage was reported by farmers to Kenya Wildlife Service stations and outposts (Chapter 6). Elephants and people trespassing on each other's habitats is pronounced because MK is surrounded by a ring of small-scale farmers, totalling over 500,000 people living within 5,000m of the MK forest boundary on farms of 1.6ha on average (Chapter 6).Time-series analysis of satellite imagery of 1987,1995, and 2000 illustrated a gradual deterioration of MK land and resources, and results of an aerial survey conducted in 1999 showed high levels of illegal exploitation of land and resources (Chapter 7). However, management responsibility of the MK forest transferred from the Forestry Department to the Kenya Wildlife Service in July 2000, and time-series analysis of satellite images of 2000 and 2002 show regeneration of degraded MK land by 2002 (Chapter 8). Comparison of two aerial surveys conducted in 1999 and 2002, showed a significant reduction of illegal exploitation of forest resources on MK by 2002 (Chapter 8). Sound land use management plans are needed for MK to avoid deterioration of the forest by an over-crowded and confined elephant population, and by surrounding people. These plans need to address problems with longer term solutions, regardless of the short term disadvantages that they may entail (Chapter 9).

40

Nguyen, The Minh. "A Novel Semi-Active Magnetorheological Mount for Vibration Isolation." University of Toledo / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1250008519.

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41

Hernandez, Harry William. "The chiastic structure of the Sermon on the mount." Theological Research Exchange Network (TREN), 1994. http://www.tren.com.

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Nomura, Naofumi. "Leaf phenology of tropical montane forests on Mount Kinabalu." 京都大学 (Kyoto University), 2004. http://hdl.handle.net/2433/147871.

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43

Kelly, Valerie Jean. "Limnology of two new lakes, Mount St. Helens, WA." PDXScholar, 1991. https://pdxscholar.library.pdx.edu/open_access_etds/3576.

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Coldwater Lake and Castle Lake are two new lakes which were formed in the aftermath of the volcanic eruption of Mount St . Helens, WA in May, 1980. This research describes the limnology of these lakes ten years later, and includes physical, chemical, and biological parameters. The two lakes are compared and contrasted. Previous research on the eruption and its aftermath, as well as earlier studies of the lakes are described.

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Lillquist, Karl Douglas. "Holocene Fluctuations of the Coe Glacier, Mount Hood, Oregon." PDXScholar, 1988. https://pdxscholar.library.pdx.edu/open_access_etds/3798.

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Numerous moraines front the Coe Glacier on the north side of Mount Hood, Oregon. These moraines were identified and dated using a multiple methodology approach in order to establish a chronology for the advances and stillstands of the Cae Glacier. This chronology was compared to chronologies established for other glaciers on Mount Hood, North Sister, Mount Rainier and Mount Baker as well as glaciers in Scandinavia. The chronology was also compared to a long term temperature record from Longmire, Washington. The maximum identified extent of the pre-Little Ice Age Coe Glacier was indicated by moraines located at an elevation of about 1530 m and about 2 km downvalley of the present terminus. A general period of shrinkage of the pre-Little Ice Age Coe Glacier followed resulting in the deposition of moraines upvalley of the older pre-Little Ice Age moraines. The Little Ice Age Coe Glacier reached its maximum downvalley extent of about 1650 m elevation prior to 1731 AD. An earlier advance (1607 AD) was more extensive laterally than the 1731 AD advance. The Coe Glacier has been in a general state of recession since the mid to late 1700's. The prominent lateral moraines formed prior to 1882 AD. Four low moraines located within the Coe Glacier trough formed before 1901. Historical records indicate that the Coe Glacier has generally continued to recede since then. A comparison of the moraine ages and the historical activity of the Coe Glacier to other glaciers on Mount Hood as well as others in the Pacific Northwest and Scandinavia reveals that fluctuations of the glacier termini are generally synchronous. This similarity, combined with the similarity of the ages of Coe Glacier moraines to cool periods in a long term temperature record, indicates that hemispheric climatic patterns have played a major role in the past fluctuations of the Coe Glacier.

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Wetie, Ngongang Ariane. "Seismic and Volcanic Hazard Analysis for Mount Cameroon Volcano." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/60871.

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Mount Cameroon is considered the only active volcano along a 1600 km long chain of volcanic complexes called the Cameroon Volcanic Line (CVL). It has erupted seven times during the last 100 years, the most recent was in May 2000. The approximately 500,000 inhabitants that live and work around the fertile flanks are exposed to impending threats from volcanic eruptions and earthquakes. In this thesis, a hazard assessment study that involves both statistical modelling of seismic hazard parameters and the evaluation of a future volcanic risk was undertaken on Mount Cameroon. The Gutenberg-Richter magnitude-frequency relations, the annual activity rate, the maximum magnitude, the rate of volcanic eruptions and risks assessment were examined. The seismic hazard parameters were estimated using the Maximum Likelihood Method on the basis of a procedure which combines seismic data containing incomplete files of large historical events with complete files of short periods of observations. A homogenous Poisson distribution model was applied to previous recorded volcanic eruptions of Mount Cameroon to determine the frequency of eruption and assess the probability of a future eruption. Frequency-magnitude plots indicated that Gutenberg-Richter b-values are partially dependent on the maximum regional magnitude and the method used in their calculation. b-values showed temporal and spatial variation with an average value of 1.53 ± 0.02. The intrusion of a magma body generating the occurrence of relatively small earthquakes as observed in our instrumental catalogue, could be responsible for this high anomalous b-value. An epicentre map of locally recorded earthquakes revealed that the southeastern zone is the most seismically active part of the volcano. The annual mean activity rate of the seismicity strongly depends on the time span of the seismic catalogue and results showed that on average, one earthquake event occurs every 10 days. The maximum regional magnitude values which had been determined from various approaches overlap when their standard deviations are taken into account. However, the magnitude distribution model of the Mt. Cameroon earthquakes might not follow the form of the Gutenberg-Richter frequency magnitude relationship. The datations of the last eruptive events that have occurred on Mt. Cameroon volcanic complex are presented. No specific pattern was observed on the frequency of eruptions, which means that a homogenous Poisson distribution provides a suitable model to estimate the rate of occurrence of volcanic eruptions and evaluate the risk of a future eruption. Two different approaches were used to estimate the mean eruption rate (λ) and both yielded a value of 0.074. The results showed that eruptions take place on average once every 13 years and, with the last eruption occurring over 15 years ago, it is considered that there is at present a high risk of an eruption to occur.
Dissertation (MSc)--University of Pretoria, 2016.
Geology
MSc
Unrestricted

46

Bhave, Aniket. "A leaded and lead-free solder paste evaluation screening procedure." Diss., Online access via UMI:, 2005. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:1425610.

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47

Couture, Beth. "Myths of the mud city a history of the City of Mount Airy, North Carolina /." Diss., Online access via UMI:, 2005.

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48

Woods, Melinda Michelle. "Compositional and mineralogical relationships between mafic inclusions and host lavas as key to andesite petrogenesis at Mount Hood Volcano, Oregon." PDXScholar, 2004. https://pdxscholar.library.pdx.edu/open_access_etds/4312.

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Throughout its eruptive history, Mount Hood has produced compositionally similar calc-alkaline andesite as lava flows and domes near the summit and basaltic andesitic flows from flank vents. Found within the andesite are slightly more mafic inclusions that are compositionally similar to the host andesite (or host lavas); no inclusions were found in the flank lavas. Host lavas and inclusions have the following mineral assemblage: plag + opx ± cpx ± amp + oxides. Flank lava mineralogy is similar to the inclusions and host lavas, but since they are more mafic they contain olivine instead of amphibole. Average silica content among samples analyzed ranges from 57.6 to 62.7 weight percent; however the incompatible trace element composition is more variable at lower silica contents and becomes less variable at higher silica contents. In terms of incompatible trace element composition, the host lavas and inclusions are either depleted (no amp) or enriched (amp± cpx).

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Mzobe, Pearl Nonjabulo. "Sediment linkages in a small catchment in the Mount Fletcher southern Drakensberg region, South Africa." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013224.

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Soil erosion is a persistent problem that requires continued control efforts as agricultural land loses productivity and communities dependent on the land become increasingly vulnerable to decreased food security. The negative effects of soil erosion in Khamopele River catchment, in the Mount Fletcher southern Drakensberg region of South Africa, are manifest in extensive gullying and wetland loss. Soil erosion has resulted in siltation in a recently constructed dam and the alteration of aquatic habitats. This research was undertaken to identify the sources of eroded sediment in the small upper catchments of the Mzimvubu River catchment to inform broader catchment management strategies. The scale of erosion was quantified using field surveys of gully extent and form. Environmental magnetic tracing techniques were used to determine the sources of eroded sediment in Khamopele River and upper Tina River catchments. The radionuclide ¹³⁷Cs was used to determine soil loss over a 55 year period in Khamopele River catchment. The Landscape Connectivity framework was used to describe the sediment source, pathway and sink interactions at sample area level. Results indicated that historical and contemporary land management practices such as uncontrolled grazing, grassland burning and furrows promoted soil erosion in the catchment. Soil erosion was most pronounced in the Taung sample area where there was extensive gullying, tunnelling and subsurface erosion. Environmental magnetic tracing results indicated that there were clear differences in source areas. Despite its prevalence in the area, gully erosion was not shown to be a major source of sediment to downstream sinks. Topsoil and hillslope derived sediment were shown to be mobile in the catchment, suggesting that sheet erosion processes were dominant in the catchment. Radionuclide tracing studies showed that at least 20 cm of soil had been eroded from the Khamopele River catchment surface since 1956. This research has shown that it is possible to distinguish source areas of erosion in the catchment by matching catchment mineral magnetic signatures to those in sink areas. This means that rehabilitation projects can use resources efficiently as the areas needing the most attention can be identified.

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White, Wayne, and Peter Healey. "Mount Washington mine remediation project." 2007. http://hdl.handle.net/2429/8458.

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Abstract:

After a very short history of mining (1964 to 1966), the Mount Washington copper mine has been the major source of acid rock drainage entering the Tsolum River near Courtenay, B.C. since that time. Previous remediation projects have been partially successful at controlling the ARD generation at the site and treating the copper-bearing discharge from the site (Pyrrhotite Creek). The present project is to develop a final closure plan for the mine site. SRK was retained by the Tsolum River Partnership, a coalition of community, industry and government, to develop the closure plan. The preferred option is to place a bituminous liner over the North Pit, improve the diversion works and to treat the drainage from under the cover while groundwater recovers. Phase II of the project, the detailed design of the cover system, drainage and treatment, is ongoing. Detailed engineering plans should be delivered to the Tsolum River Partnership before December 2007.

Dissertations / Theses on the topic 'Mount'

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