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dc.contributor.authorBatchelor, Christineen
dc.contributor.authorDowdeswell, Julianen
dc.contributor.authorHogan, KAen
dc.contributor.authorLarter, RDen
dc.contributor.authorParsons, Een
dc.contributor.authorWest, Oen
dc.date.accessioned2019-04-17T23:31:25Z
dc.date.available2019-04-17T23:31:25Z
dc.date.issued2019-08-01en
dc.identifier.issn0954-1020
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/291845
dc.description.abstractBathymetric data of unprecedented resolution are used to provide insights into former ice dynamics and glacial processes in a western Antarctic Peninsula embayment. An assemblage of submarine glacial landforms, which includes subglacially produced streamlined features and ice-marginal ridges, reveals the former pattern of ice flow and retreat. A group of more than 250 small (<1 to 3 m high, 10 to 20 m wide) and relatively evenly spaced recessional moraines was identified beyond the margin of Philippa Glacier. The small recessional moraines are interpreted to have been produced during short-lived, possibly annual, re-advances of a grounded ice margin during overall retreat. This is the first time that these features have been shown to be part of the assemblage of landforms produced by tidewater glaciers on the Antarctic Peninsula. Glacier-terminus changes during the last four decades, mapped from LANDSAT satellite images, were analysed to determine if the moraines were produced during recent still-stands or re-advances of Philippa Glacier, and to further investigate the short-term (annual to decadal) variability in ice-marginal position in tidewater glacier systems. The asynchronous response of individual tidewater glaciers in Darbel Bay is interpreted to be controlled mainly by local topography rather than by glacier catchment-area size.
dc.description.sponsorshipC.L. Batchelor was in receipt of a Junior Research Fellowship from Newnham College, Cambridge during this work. K.A Hogan and R.D Larter are supported by the Polar Science for Planet Earth programme funded by the Natural Environment Research Council, U.K.
dc.publisherCambridge University Press
dc.rightsAll rights reserved
dc.rights.uri
dc.titleProcesses and patterns of glacier-influenced sedimentation and recent tidewater glacier dynamics in Darbel Bay, western Antarctic Peninsulaen
dc.typeArticle
prism.endingPage227
prism.issueIdentifier4en
prism.publicationDate2019en
prism.publicationNameAntarctic Scienceen
prism.startingPage218
prism.volume31en
dc.identifier.doi10.17863/CAM.39005
dcterms.dateAccepted2019-04-08en
rioxxterms.versionofrecord10.1017/S0954102019000191en
rioxxterms.versionAM
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserveden
rioxxterms.licenseref.startdate2019-08-01en
dc.contributor.orcidDowdeswell, Julian [0000-0003-1369-9482]
dc.identifier.eissn1365-2079
rioxxterms.typeJournal Article/Reviewen
cam.orpheus.successThu Jan 30 10:47:55 GMT 2020 - Embargo updated*
rioxxterms.freetoread.startdate2020-02-01


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