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Skip to Search Results- 2Achal, Roshan
- 2Anagaw, Amsalu Y.
- 2Antolak, John Anthony.
- 2Avendano Nandez, Jose L
- 2Chen, Ke
- 2Chen, Yunfeng
- 14Particles (Nuclear physics)
- 10Scattering (Physics)
- 9Astrophysics
- 9Geophysics
- 9Inversion
- 9Tunneling (Physics)
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Seismic applications of the Radon transform and a new second-order traveltime local transform
DownloadSpring 2022
Radon transforms play an essential role in seismic data processing. They have been extensively used to separate signals from coherent noise, reconstruct seismic data, and estimate the arrival direction of waves impinging on arrays. This thesis focuses on applying Radon transforms to seismic...
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Spring 2022
The Sierra Nevada de Santa Marta (SNSM) in northern Colombia, is one of the highest coastal mountains in the world with a maximum height of more than 5.7 km. Geophysical measurements report that there is a high Bouguer gravity anomaly (>+130 mGal) in the region, indicating that the mountain does...
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Monitoring and Assessment of Geomagnetically Induced Currents in Alberta’s High Voltage Network
DownloadFall 2022
Geoelectric fields produced by time-varying magnetic fields associated with geomagnetic storms can result in potentially damaging geomagnetically induced currents (GICs) in long conductors at Earth’s surface. GICs are quasi-direct currents which have been demonstrated to pose a significant risk...
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Space plasma instrument concept and analysis using simulation and machine learning techniques
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Much interest has been drawn toward our near-Earth space with the advent of the space-flight era. In order to better understand this highly dynamic environment, the development of measuring instruments for use on near-Earth spacecraft has become particularly important. The current inference...
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Fall 2022
In this thesis, we consider a homogeneous and isotropic closed model of the Universe with a real massive scalar field. Hawking showed that if such a model of the Universe is fine-tuned, it can have an infinite number of bounces. We study the case for the Universe that is microscopically...
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Fall 2022
Magnetic spin waves (magnons) are promising building blocks in developing classical and quantum hybrid systems. Magnons can couple to numerous sub-systems, such as microwave and optical photons, superconducting qubits and phonons. However, the parametric interaction between magnons and...
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Fall 2022
The Canadian Cordillera (mountain belts) in western Canada has a high elevation (~1.5 km above sea level), thin crust (~35 km) and thin lithosphere (50-70 km). In contrast, the Laurentian Craton to the east has a low elevation (near sea level) and thicker crust and lithosphere (~40 km and >200...
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Paleomagnetism and paleogeographic reconstructions of the North China Craton in the Late Carboniferous - Early Permian and the South China Craton in the Late Ediacaran - Early Cambrian
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Abstract The robustness of paleogeographic reconstructions of the North China Craton (NCC) and South China Craton (SCC) in the Ediacaran - Paleozoic is greatly affected by a small number of high-reliability paleomagnetic poles. Reduced reliability of available paleomagnetic data is attributed to...
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Interactions between a flat slab and overriding plate: Controlling factors of subduction dynamics and continental deformation
DownloadFall 2022
Subduction zones are active plate margins that have an important role in mantle and lithosphere processes. Subduction is driven by the negative buoyancy of the downgoing oceanic plate, resulting in a steep descent angle at most subduction zones. However, in approximately 10% of modern subduction...
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Fall 2022
The Einstein-de Haas (EdH) effect was measured for the first time more than a century ago, and a classical theory of its operational principle existed many years before the first observation of the effect. EdH torques are generated by the time rate of change of angular momentum and represent the...