Jan Mayen glacier changes between 2000-2020 in historic, climatic, oceanic, and geographic context

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dc.contributor.authorCooley, Jade Linna
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorJiskoot, Hester
dc.date.accessioned2022-02-17T20:43:48Z
dc.date.available2022-02-17T20:43:48Z
dc.date.issued2021
dc.degree.levelMastersen_US
dc.description.abstractJan Mayen is a small, remote, glacierized volcanic island in the North Atlantic between Greenland, Svalbard, Iceland, and Scandinavia. Its most recent glacier map (RGI) is based on airphotos from 1949-1975, and only the glacier Sørbreen has previously been studied in detail. This thesis presents the first study of glacier fluctuations for the entire island, including the retreat of marine-terminating glaciers from historic maps since 1861 and the annual to decadal frontal variations of 16 of the island’s 20 glaciers from satellite imagery. Between 2000 and 2020, Jan Mayen lost 2.2 km2 or 2% of its ice area and had a frontal ablation of 0.20 km3. Glaciers retreated 20-460 m with an average annual retreat rate (-9±7 m/yr) slower than in the surrounding regions, while Jan Mayen’s temperature increased more. Correlation analysis with 18 climatic and oceanic parameters suggests that the main driver of Jan Mayen’s glacier fluctuations is PDD.en_US
dc.description.sponsorshipNSERCen_US
dc.identifier.urihttps://hdl.handle.net/10133/6148
dc.language.isoenen_US
dc.proquest.subject0373en_US
dc.proquest.subject0799en_US
dc.proquest.subject0370en_US
dc.proquestyesYesen_US
dc.publisher.departmentDepartment of Geography and Environmenten_US
dc.publisher.facultyArts and Scienceen_US
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en_US
dc.subjectphysical geographyen_US
dc.subjectgeophysicsen_US
dc.subjectglacier fluctuationsen_US
dc.subjectglacier retreaten_US
dc.subjectJan Mayen glaciersen_US
dc.subjectpositive degree daysen_US
dc.subjectfrontal ablationen_US
dc.subjectglacier front variationsen_US
dc.subjectGlaciers--Jan Mayen Islanden_US
dc.subjectGlaciers--Research--Jan Mayen Islanden_US
dc.subjectGlaciers--Jan Mayen Island--Remote sensingen_US
dc.subjectGlaciers--Jan Mayen Island--Measurementen_US
dc.subjectJan Mayen Islanden_US
dc.subjectClimatic changes--Jan Mayen Islanden_US
dc.subjectArial photography in glaciologyen_US
dc.subjectRemote sensing--Jan Mayen Islanden_US
dc.subjectClimatic changes--Research--Jan Mayen Islanden_US
dc.subjectDissertations, Academicen_US
dc.titleJan Mayen glacier changes between 2000-2020 in historic, climatic, oceanic, and geographic contexten_US
dc.typeThesisen_US
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