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 30 for “"slumps"”.
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A Transfer Learning Approach for Automatic Mapping of Retrogressive Thaw Slumps (RTSs) in the Western Canadian Arctic
Retrogressive thaw slumps (RTSs) are thermokarst landforms that develop on slopes in permafrost regions when thawing permafrost causes the land surface to collapse. RTSs are an indicator of climate change and pose a threat to human infrastructure and ecosystems in the affected areas. As the …
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Climatic drivers of retrogressive thaw slump activity and resulting sediment and carbon release to the nearshore zone of Herschel Island, Yukon Territory, Canada
… environmental conditions. Retrogressive thaw slumps are a common thermoerosion feature along this coast, and develop through the thawing of exposed ice-rich permafrost on slopes and removal of accumulating debris. They contribute large amounts of sediment, including organic carbon and …
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Interactions Between Portland Cements and Carboxylated and Naphthalene-Based Superplasticizers
… of this study, the relation between the concrete slumps and the paste rheology is established. However, concretes required much less superplasticizer than paste to be dispersed. The differences in the shear history between the concretes and the pastes possibly explain such discrepancies in …
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Relative influence of temperature and disturbance on vegetation dynamics in the Low Arctic : an investigation at multiple scales.
… and reproduction on disturbed (burns and thaw slumps) and undisturbed sites across a regional temperature gradient. Disturbed areas showed increases in alder productivity, catkin production, and seed viability, as well as differences in plant community composition and microenvironment. The …
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Pre-Historic Landslides on the Southeast Flank of the Uinta Mountains, Utah: Character and Causes of Slope Failure
… types include multiple and successive rock slumps, debris slumps and debris flows. Most landslides have a main head scarp in the Bishop Conglomerate and the large landslides have many minor scarps. Multiple slump blocks are manifest by repeated transverse ridges and trenches in the head area …
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Identification of seismically-induced landslippage along Crowley's Ridge, southeast Missouri and northeast Arkansas
… landslide forms, including lateral spreads, slumps and retrogressive slump complexes, earthflows, translational block slides, and theater-head erosion complexes. This research shows that the use of topographic algorithms as a reconnaissance method will prove valuable as a screening tool in …
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Designing child robot interaction for facilitating creative learning
… enter elementary school, their creativity slumps and thinking becomes more convergent, especially around the 4th grade. One cause for this is school curricula become more structured and lose the aspect of creative play. This is especially concerning for kids growing up in the era of …
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Description and Quantification of Debris Tongue Movement in a Retrogressive Thaw Slump Using Aerial and Terrestrial Photogrammetry
Retrogressive thaw slumps can modify large areas of the landscape and pose a significant threat to linear infrastructure in the Arctic. There is little published information on how retrogressive thaw slump debris tongues develop. This thesis demonstrates a novel technique for combining information …
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Creating Divergence: Examining The Development Of Creativity Through Executive Function, Language And Mindset
… 2015), and is hypothesized to have significant "slumps" where the development slows, such as the "fourth-grade slump" (Torrance, 1967; 1968). The purpose of the present study was to examine the hypothesized "fourth-grade slump" in creativity and determine whether cognitive factors, such as …
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Sport retirement: Personal troubles, public faces
… moments in sport include injuries, performance slumps, and missed goals. These setbacks can be devastating and threaten an athlete's sense of worth, and force him/her to reevaluate his/her sport life and contemplate retirement, and subsequently begin a search for a new identity and a new focus …
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Quantifying Grit in MLB Batters
… tend to experience a higher number of hitting slumps but with shorter average lengths, regardless of the at-bat group size used to define the performance window. This research has implications in player valuation and development, team management, and scouting and drafting, suggesting that MLB …
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Design and modeling of a third generation slumping tool for X-ray telescope mirrors/
… scaling the design to accommodate larger flats, slumps are done horizontally to float the glass and minimize contact during the process. New capabilities of the tool also include active gap measurement and control, as well as plenum air temperature monitoring.
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GEOCHEMICAL CHARACTERIZATION OF THE BONE SPRING FORMATION, DELAWARE BASIN, USING CHEMOSTRATIGRAPHY AND INTEGRATED PETROPHYSICS
… are manifested by debris flows, turbidites, and slumps. In addition to glacio-eustasy, both tectonism and broader Milankovitch cycles have influenced the depositional history. Previous investigations have utilized cores and wireline logs to provide high-resolution chemo-facies segregation, which …
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Landscapes of Danger: A Geospatial Analysis of Perceived and Realistic Risk in Bryce Canyon National Park
… to identify areas susceptible to landslides/slumps. Overall, respondents reported feeling largely unconcerned when ranking their perception of various risks within the park (µ = 2.1, σ = .78), however, perception gaps and demographic influences were revealed on individual event types. When …
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A model for backscattering angular response of gassy sediments: Applications to petroleum exploration and development programs
… increasing the risk of seafloor failures and slumps.</p><p>Acoustic remote sensing systems such as multibeam and sidescan sonars can be used for mapping and detection of near-surface gas in marine sediments. These systems provide a realistic depiction of the seafloor by means of the …
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Chemostratigraphy of Carbonate Gravity Flows of the Wolfcamp Formation in Crockett County, Midland Basin, Texas
… processes are characterized: (1) slides to slumps, (2) debris flows, (3) turbidity currents, (4) hemiturbiditic plumes, and (5) hemipelagic deposition. Mudstones associated with gravity flows along the slope are organically-rich (4.65% mean TOC) due to the preservation of organic matter …
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From Section 8 to Starbucks: The Effects of Gentrification on Affordable Housing in Pittsburgh, Pennsylvania
… because of the population loss and economic slumps these metros have faced due to global restructuring of manufacturing industries. There are signs that many of these urban areas are making the shift to a postindustrial city and that people and capital may soon be returning to their …
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Implikationen der dynamischen Arbeitswelt auf die Organisationsentwicklung von produzierenden Schweizer Unternehmen. Eine theoretische Betrachtung und empirisch-qualitative Exploration
… strategy is deferred, which provokes performance slumps on the way to a more advanced stage of development. Further, the companies’ deductive approach to theory signals an inadequate perception of the challenges related to modern leadership behaviour, competence development and agile …
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The Chinese real estate asset securitization process : opportunities and challenges
… estate market. Yet as the real estate market slumps and the profit margin drops, the real estate market is now experiencing a shortage of capital. The modem Chinese real estate market only started around the early 1990s. With just 25 years of history, it has grown to be one of the largest real …
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Arctic Char Otolith Records of Recent Limnological Change in High Arctic Lakes
… in turbidity associated with internal subaqueous slumps and similar effects are absent from the East Lake. Hence, the synchronous change in solute loading to the lakes reflects increased contributions from the catchment due to deep active layer development. Otolith analysis reveals an abrupt …
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