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Mapping Glacier Forelands Based on UAV BVLOS Operation in Antarctica

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dc.abstract.enThe aim of this article is to show geomorphological mapping of remote Antarctic locations using images taken by a fixed-wing unmanned aerial vehicle (UAV) during the Beyond Visual Line of Sight (BVLOS) operations. We mapped landform assemblages developed in forelands of Ecology Glacier (EGF), Sphinx Glacier (SGF) and Baranowski Glacier (BGF) in Antarctic Specially Protected Area No. 128 (ASPA 128) on King George Island (South Shetland Islands) and inferred about glacial dynamics. The orthophoto and digital elevation model allowed for geomorphological mapping of glacial forelands, including (i) glacial depositional landforms, (ii) fluvial and fluvioglacial landforms, (iii) littoral and lacustrine landforms, (iv) bodies of water, and (v) other. The largest area is occupied by ground moraine and glacial lagoons on EGF and BGF. The most profound features of EGF are the large latero-frontal moraine ridges from Little Ice Age and the first half of the 20th century. Large areas of ground moraine, frequently fluted and marked with large recessional moraine ridges, dominate on SGF. A significant percentage of bedrock outcrops and end moraine complexes characterize BGF. The landform assemblages are typical for discontinuous fast ice flow of tidewater glaciers over a deformable bed. It is inferred that ice flow velocity decreased as a result of recession from the sea coast, resulting in a significant decrease in the length of ice cliffs and decrease in calving rate. Image acquisition during the fixed-wing UAV BVLOS operation proved to be a very robust technique in harsh polar conditions of King George Island.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorDąbski, Maciej
dc.contributor.authorLach, Katarzyna Maria
dc.contributor.authorRachlewicz, Grzegorz
dc.contributor.authorZmarz, Anna
dc.contributor.authorChwedorzewska, Katarzyna
dc.contributor.authorKorczak-Abshire, Małgorzata
dc.contributor.authorKarsznia, Izabela
dc.contributor.authorRodzewicz, Mirosław
dc.date.accessioned2024-01-25T05:32:51Z
dc.date.available2024-01-25T05:32:51Z
dc.date.copyright2020-02-14
dc.date.issued2020
dc.description.accesstimeAT_PUBLICATION
dc.description.financeŚrodki finansowe, o których mowa w art. 365 pkt. 2 ustawy
dc.description.number4
dc.description.sdgLifeBelowWater
dc.description.versionFINAL_PUBLISHED
dc.description.volume12
dc.identifier.doi10.3390/RS12040630
dc.identifier.issn2072-4292
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/111804
dc.identifier.weblinkhttps://www.mdpi.com/2072-4292/12/4/630
dc.languageeng
dc.pbn.affiliationsocio-economic geography and spatial management
dc.pbn.affiliationearth and related environmental sciences
dc.relation.ispartofRemote Sensing
dc.relation.pages1-22
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enunmanned aerial vehicle
dc.subject.enBVLOS operations
dc.subject.enphotointerpretation
dc.subject.engeomorphological mapping
dc.subject.englacial forelands
dc.subject.englacial landforms
dc.subject.enWestern Antarctica
dc.subject.enKing George Island
dc.titleMapping Glacier Forelands Based on UAV BVLOS Operation in Antarctica
dc.typeJournalArticle
dspace.entity.typePublication