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 8 of 8 for “"Field-Aligned Currents"”.
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Non-Linear Magnetosphere-Ionosphere Interactions at High Latitudes
… numerical study of small-scale, intense magnetic field-aligned currents observed in the vicinity of the discrete auroral arc by the Magnetosphere-Ionosphere Coupling in the Alfven Resonator (MICA) sounding rocket launched from Poker Flat, Alaska, on 19 February 2012. The goal of the MICA project …
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Empirical Study of Subauroral Polarization Streams (SAPS) through Decades of Satellite Observations
… westward ion drifts driven by poleward electric fields in the subauroral ionosphere associated with field-aligned currents (FACs) generated by magnetospheric processes. In this dissertation, we have studied SAPS by analyzing the statistics of in-situ measurements of the subauroral ionosphere made …
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Magnetic Cleanliness, Sensing, and Calibration for CubeSats
… creation of accurate maps of Earth’s magnetic fields. However, these models have limited spatial and temporal resolution, and therefore are much less accurate in locations with fast or localized magnetic perturbations. Such perturbations can be particularly problematic near Earth’s poles where …
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High-latitude coupling processes between thermospheric circulation and solar wind driven magnetospheric currents and plasma convection
… by the solar wind and Interplanetary Magnetic Field (IMF) interaction with the Earth magnetosphere are highly variable parts of the complex dynamic plasma environment, which represent the coupled Magnetosphere – Ionosphere – Thermosphere (MIT) system. The solar wind and IMF interactions …
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On the modelling and consequence of small-scale magnetic phenomena in the Saturnian system
… distance. Additionally, values of the magnetic field in the lobes are found using the model, which are then used along with the scale heights to estimate the current density in the azimuthal and radial directions. These values can also be used to calculate, using the divergence of current, the …
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Empirical Ionospheric Models: The Road To Conductivity
… These effects are fundamentally related to the currents, electric fields, and conductivity present in the polar ionosphere. Understanding and predicting the electrodynamics of this region is vital to being able to determine the physical impacts on terrestrial systems and provide predictions to …