Glacial geomorphology and its links to ice sheet thicknesses, Diamond Hill, Transantarctic Mountains.

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dc.contributor.authorJoy, Ken_AU
dc.contributor.authorStorey, BCen_AU
dc.contributor.authorFink, Den_AU
dc.contributor.authorShulmeister, Jen_AU
dc.date.accessioned2010-10-25T03:56:28Zen_AU
dc.date.available2010-10-25T03:56:28Zen_AU
dc.date.issued2009-07-03en_AU
dc.date.statistics2009-07-03en_AU
dc.description.abstractAn understanding of how the Antarctic continent has reacted to past climates is necessary to accurately predict the response of its ice sheets to current and future climate changes. The thickness and proximity of the peripheral ice to the continental margin are key to the discussion and relate directly to the volume of ice within the East and West Antarctica ice sheets and their melt water contribution to sea level rise since the LGM. The Darwin/Hatherton is an outlet glacial system that drains the East Antarctic Ice Sheet into the Ross Sea through the Transantarctic Mountains. At the confluence of the Darwin Glacier and Ross Ice Shelf, Diamond Hill a relatively ice free area, contains evidence of glacial advances at altitudes up to 850m above the current ice surface. Here both ice sheets have created landforms that will allow a reconstruction of ice thickness. Cosmogenic dating will be used to create a timeline of post-LGM glacial retreat in which the influence of cold based ice must also be evaluated. This work will contribute fundamental data to an important international debate on the scale of the glaciation in the last ice age. It will help validate ice thickness reconstructions for the ice sheets and it may give insight into the timing and nature of Antarctic contributions to global sea-levels.en_AU
dc.identifier.booktitleProceedings of the Annual Antarctic Conference 2009en_AU
dc.identifier.citationJoy, J., Storey, B., Fink, D., & Shulmeister, J. (2009). Glacial geomorphology and its links to ice sheet thicknesses, Diamond Hill, Transantarctic Mountains. Poster presented to the Annual Antarctic Conference 2009 - "Sustaining the Gains of the International Polar Year", 1st – 3rd July 2009. In Proceedings of the Annual Antarctic Conference 2009, (pp. 81). Auckland, New Zealand: University of Auckland.en_AU
dc.identifier.conferenceenddate17 May 2009en_AU
dc.identifier.conferencenameAnnual Antarctic Conference 2009 - 'Sustaining the Gains of the International Polar Year'en_AU
dc.identifier.conferenceplaceAuckland, New Zealanden_AU
dc.identifier.conferencestartdate15 May 2009en_AU
dc.identifier.govdoc2925en_AU
dc.identifier.issn1176-5798en_AU
dc.identifier.pagination81en_AU
dc.identifier.placeofpublicationWellington, New Zealanden_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2746en_AU
dc.language.isoenen_AU
dc.publisherGNS Scienceen_AU
dc.subjectAntarcticaen_AU
dc.subjectSea levelen_AU
dc.subjectIceen_AU
dc.subjectIsotope datingen_AU
dc.subjectGreenhouse effecten_AU
dc.subjectClimatic changeen_AU
dc.titleGlacial geomorphology and its links to ice sheet thicknesses, Diamond Hill, Transantarctic Mountains.en_AU
dc.typeConference Posteren_AU
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