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dc.contributor.authorAhn, Youngkyu
dc.contributor.authorJoe, Young Jin
dc.contributor.authorJang, Kwangchul
dc.contributor.authorKim, Jung-Hyun
dc.contributor.authorSon, Yeong Ju
dc.contributor.authorForwick, Matthias
dc.contributor.authorHong, Sungmin
dc.contributor.authorNam, Seung-Il
dc.date.accessioned2024-05-27T13:34:36Z
dc.date.available2024-05-27T13:34:36Z
dc.date.issued2024-05-11
dc.description.abstractGrain-size end-member (EM) modelling is a robust statistical approach for identifying and quantifying dominant grain-size distributions. This approach provides a novel perspective for understanding the impact of interactions between depositional processes in complex sedimentary environments. This study examines grain-size distributions of six glacimarine sediment cores collected along an Nsingle bondS transect from the continental shelf to the Wijdefjorden system in northern Svalbard. In addition, we integrate grain-size EMs with lithologic and acoustic facies, allowing us to identify three distinct groups of EMs (EM1–3), each closely associated with specific depositional processes: turbid meltwater discharge (EM1), sediment winnowing by bottom currents (EM2), and the deposition of ice-rafted debris in glacimarine conditions and subglacial till (EM3). An analysis of the three EM groups reveals that the glacial retreat during the last deglaciation and the Atlantic Water inflow significantly impacted depositional changes within the Wijdefjorden system. In contrast, a decrease in the Atlantic Water inflow during the late Holocene corresponds to glacial re-advance, resulting in shifts in the depositional environment. This study demonstrates the utility of EM modelling in deciphering complex grain-size distributions and reconstructing different climate-driven depositional processes in glacimarine sediments in Svalbard fjords. This integrated approach enhances our understanding of the intricate interplay among climate change, glacier dynamics, and oceanic forcing in polar fjord environmentsen_US
dc.identifier.citationAhn Y, Joe YJ, Jang K, Kim J, Son YJ, Forwick M, Hong, Nam S. Post-glaciation depositional changes in Wijdefjorden, northern Svalbard, using grain-size end-member modelling. Marine Geology. 2024;472en_US
dc.identifier.cristinIDFRIDAID 2269545
dc.identifier.doi10.1016/j.margeo.2024.107306
dc.identifier.issn0025-3227
dc.identifier.issn1872-6151
dc.identifier.urihttps://hdl.handle.net/10037/33629
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.relation.journalMarine Geology
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2024 The Author(s)en_US
dc.titlePost-glaciation depositional changes in Wijdefjorden, northern Svalbard, using grain-size end-member modellingen_US
dc.type.versionacceptedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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