Exploring beneath the surface of glacial landscapes: Implementing and improving geophysical investigations in glaciated environments

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Fältnamn	Indikatorer	Metadata
000		04015nam a2200409 4500
001		oai:DiVA.org:su-224094
003		SwePub
008		231129s2024 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
020		a 9789180146012q print
020		a 9789180146029q electronic
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2240942 URI
040		a (SwePub)su
041		a engb eng
042		9 SwePub
072	7	a vet2 swepub-contenttype
072	7	a dok2 swepub-publicationtype
100	1	a Watts, Hannah,d 1994-u Stockholms universitet,Institutionen för naturgeografi4 aut0 (Swepub:su)hawa6729
245	1 0	a Exploring beneath the surface of glacial landscapes :b Implementing and improving geophysical investigations in glaciated environments
264	1	a Stockholm :b Department of Physical Geography, Stockholm University,c 2024
300		a 70 s.
338		a electronic2 rdacarrier
490	0	a Dissertations in Physical Geography,x 2003-2358 ;v 35
520		a The warming climate is having profound impacts on glacier dynamics and extents. To improve our predictions of future ice mass changes, we require an enhanced understanding of both past and present glacial processes. The physical properties and structure of glacial sediments and landforms aid reconstructions of past environments and ice dynamics on numerous scales. Traditionally, these factors have been studied using glacial geological techniques such as sedimentary logging. While this provides valuable in situ data, there are numerous limitations, namely the limited availability and spatial extent of exposures. In recent decades, near-surface geophysical techniques have gained in popularity within the fields of glaciology, geomorphology, and sedimentology. Geophysics offers a non-invasive means of obtaining spatially extensive data on substrate properties and architecture, however issues such as signal scattering and interpretation ambiguity in complex glaciated environments restrict its application.This thesis exemplifies how near-surface geophysical techniques can aid glacial landscape interpretations focusing on ground-penetrating radar, seismic refraction, and multi-channel analysis of surface waves. It explores the current limitations of the methods and outlines solutions to improve their applicability, in terms of geophysical campaign success, as well as uncertainty estimation and visualisation. The reliability of geophysical interpretations can be improved by including direct substrate observations in campaigns. Here, the benefits of performing detailed sediment logging alongside geophysical surveys are exemplified, together with descriptions and explanations of associated method adaptations.Through a combination of method updates and applied studies, this thesis highlights the great potential for geophysical techniques in improving our understanding of glacial processes and outlines potential avenues for further work in this area.
650	7	a NATURVETENSKAPx Geovetenskap och miljövetenskapx Naturgeografi0 (SwePub)105072 hsv//swe
650	7	a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Physical Geography0 (SwePub)105072 hsv//eng
653		a Geophysics
653		a Glacial Geology
653		a Glaciers
653		a naturgeografi
653		a Physical Geography
700	1	a Jansson, Peter,c Prof,d 1960-u Stockholms universitet,Institutionen för naturgeografi4 ths0 (Swepub:su)pjans
700	1	a Reinardy, Benedict,c Dru Stockholms universitet,Institutionen för naturgeografi4 ths0 (Swepub:su)brein
700	1	a Swift, Darrel,c Profu Department of Geography, University of Sheffield, UK4 opn
710	2	a Stockholms universitetb Institutionen för naturgeografi4 org
856	4	u https://su.diva-portal.org/smash/get/diva2:1815674/FULLTEXT01.pdfx primaryx Raw objecty fulltext
856	4	u https://su.diva-portal.org/smash/get/diva2:1815674/PREVIEW01.jpgx Previewy preview image
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-224094

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