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Future Projections of David Galcier-Drygalski Ice Tongue under Idealized Scenarios

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dc.contributor.authorJin, Emilia Kyung-
dc.contributor.authorPark, In-Woo-
dc.contributor.authorLee, Seung Hyoun-
dc.contributor.authorLee, Choon-Ki-
dc.contributor.authorLee, Won Sang-
dc.date.accessioned2021-08-24T01:42:47Z-
dc.date.available2021-08-24T01:42:47Z-
dc.date.issued2018-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/12583-
dc.description.abstractWe employ the ISSM to evaluate the response of David Glacier (DG) to various climate forcings, including the SMB, sub-ice shelf melting rate, and retreat of ice front position with two different geometry data set (Bedmap2 and BedMachine). Various climate forcing scenarios have some impacts on the acceleration of ice shelf velocity (SMB < 5%, floating ice melting rate < 5%, ice front retreat < 13%). Uncovering the subglacial ridge near the grounding line in BedMachine simulation reduces a mass discharge compared to the Bedmap2 simulation, although DG continuously loses its mass in different surface mass balance forcing conditions. The trend in sea level contribution shows the clear distinction in two simulations. Although the high sub-ice shelf melting rate and the fast retreat of ice front position display the local acceleration of the ice velocity near the grounding line, DG is remarkably stable because the current grounding line is located on the upsloping bed toward the hinterland. When we employ the extremely fast melting condition to identify the behavior of grounding line, the elevation of subglacial ridge above sea level prevents the grounding line retreating toward the hinterland. Based on our results, it is crucial to obtain more high-resolution geometry dataset, which could improve the future projection of Antarctic ice sheet to the climate forcings.en_US
dc.languageEnglishen_US
dc.language.isoenen_US
dc.titleFuture Projections of David Galcier-Drygalski Ice Tongue under Idealized Scenariosen_US
dc.title.alternative이상화된 수치실험 기반 데이비드빙하 드라이칼스키 빙설의 미래 전망en_US
dc.typeProceedingen_US
dc.identifier.bibliographicCitationJin, Emilia Kyung, et al. 2018. Future Projections of David Galcier-Drygalski Ice Tongue under Idealized Scenarios. KOREA-NEW ZEALAND BILATERAL ANTARCTIC COOPERATION WORKSHOP. KOPRI. 2018.10.15~2018.10.16.-
dc.citation.volume2en_US
dc.citation.conferenceDate2018.10.15~2018.10.16en_US
dc.citation.conferenceNameKOREA-NEW ZEALAND BILATERAL ANTARCTIC COOPERATION WORKSHOPen_US
dc.citation.conferencePlaceKOPRIen_US
dc.description.articleClassificationPro(FULL)국제-
dc.subject.keywordDavid Galcieren_US
dc.subject.keywordForecasting future climateen_US
dc.subject.keywordice-sheet modelen_US
dc.identifier.localId2018-0226-
Appears in Collections  
2018-2019, Investigating Cryospheric Evolution of the Victoria Land, Antarctica -ICE- (18-19) / Lee, Won Sang (PM18020)
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