Event-Based Precipitation Patterns of Ring Current Electrons Observed by Riometers

Keenan, Christian

Event-Based Precipitation Patterns of Ring Current Electrons Observed by Riometers

dc.contributor.advisor	Spanswick, Emma Louise
dc.contributor.author	Keenan, Christian
dc.contributor.committeemember	Donovan, Eric F
dc.contributor.committeemember	Knudsen, David J
dc.contributor.committeemember	Wieser, Michael E
dc.date	2024-11
dc.date.accessioned	2024-09-19T20:10:40Z
dc.date.available	2024-09-19T20:10:40Z
dc.date.issued	2024-09-18
dc.description.abstract	A primary loss mechanism for high-energy particles in the Earth’s ring current is precipitation into the ionosphere. Precipitation has been historically difficult to quantify since it is primarily studied with in situ satellites. With in situ approaches, it is difficult to understand the spatial-temporal nature of the precipitation. In this thesis, ground-based measurements of high-energy electron precipitation are used to characterize and classify ring current electron precipitation events based on their spatial extent and temporal behaviour. As will be shown, there are multiple types of events visible in the ground-based data. When separated in this manner, these event types display different characteristics that demonstrate they are likely connected to different precipitation mechanisms. These results are important because they shed light on dominant wave-particle interactions in the ring current region, and pave the way for more detailed studies of wave-particle coupling and quantifying ring current losses.
dc.identifier.citation	Keenan, C. (2024). Event-based precipitation patterns of ring current electrons observed by riometers (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca.
dc.identifier.uri	https://hdl.handle.net/1880/119805
dc.language.iso	en
dc.publisher.faculty	Graduate Studies
dc.publisher.institution	University of Calgary
dc.rights	University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.
dc.subject	Magnetosphere
dc.subject	Riometer
dc.subject.classification	Physics
dc.title	Event-Based Precipitation Patterns of Ring Current Electrons Observed by Riometers
dc.type	master thesis
thesis.degree.discipline	Physics & Astronomy
thesis.degree.grantor	University of Calgary
thesis.degree.name	Master of Science (MSc)
ucalgary.thesis.accesssetbystudent	I do not require a thesis withhold – my thesis will have open access and can be viewed and downloaded publicly as soon as possible.