Glacial freshwater discharge events recorded by authigenic neodymium isotopes in sediments from the Mendeleev Ridge, western Arctic Ocean
Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Huh Youngsook | - |
| dc.contributor.author | Yeongcheol Han | - |
| dc.contributor.author | Kwangchul Jang | - |
| dc.contributor.author | Jens Matthiessen | - |
| dc.contributor.author | Andreas Mackensen | - |
| dc.contributor.author | Ruediger Stein | - |
| dc.contributor.author | Nam, Seung-il | - |
| dc.coverage.spatial | Arctic Ocean | - |
| dc.coverage.spatial | Mendeleyev Ridge | - |
| dc.coverage.spatial | Mendeleev Ridge | - |
| dc.date.accessioned | 2018-03-20T13:39:11Z | - |
| dc.date.available | 2018-03-20T13:39:11Z | - |
| dc.date.issued | 2013 | - |
| dc.identifier.uri | https://repository.kopri.re.kr/handle/201206/6050 | - |
| dc.description.abstract | ThefreshwaterbudgetoftheArcticOceanisakeycomponentgoverningthedeepwaterformationinthe North Atlanticandtheglobalclimatesystem.Weanalyzedtheisotopiccompositionofneodymium(εNd) in authigenicphasesofmarinesedimentsontheMendeleevRidgeinthewesternArcticOceanspanningan estimatedtimeintervalfrompresenttoabout75kaBP.Thiscontinuousrecordwasusedtoreconstructthe εNd of thepolardeepwater(PDW)andchangesinfreshwatersourcestothePDWthroughtime.Threedeviations in εNd fromalongtermaverageof ？ 10.2wereidentified atestimated46？ 51,35？ 39 and13？ 21 kaBP.The estimated46？ 51kaBPeventcanbetracedtoburstingofice-dammedlakesaccompanyingthecollapseofthe Barents？ KaraIceSheet,whichwouldhavereleasedradiogenicNdtotheeasternArcticOcean.Thecyclonic surfacecirculationintheeasternArcticOceanmusthavebeenstrongerthanatpresentfortheeventtobe recordedontheMendeleevRidge.Forthe35？ 39 and13？ 21kaBPevents,itislikelythattheLaurentideIce Sheet (LIS)suppliedtheunradiogenicfreshwater.Theconfigurationoftheanticycloniccirculationinthe westernArcticwasprobablysimilartotodayorexpandedeastward.Oursimplemassbalancecalculations suggestthatlargeamountsoffreshwaterwerereleasedbutduetosignificant deepwaterformationwithinthe ArcticOcean,theeffectontheformationofNADWwasprobablyminor.sternArcticOceanspanningan estimatedtimeintervalfrompresenttoabout75kaBP.Thiscontinuousrecordwasusedtoreconstructthe εNd of thepolardeepwater(PDW)andchangesinfreshwatersourcestothePDWthroughtime.Threedeviations in εNd fromalongtermaverageof ？ 10.2wereidentified atestimated46？ 51,35？ 39 and13？ 21 kaBP.The estimated46？ 51kaBPeventcanbetracedtoburstingofice-dammedlakesaccompanyingthecollapseofthe Barents？ KaraIceSheet,whichwouldhavereleasedradiogenicNdtotheeasternArcticOcean.Thecyclonic surfacecirculationintheeasternArcticOceanmusthavebeenstrongerthanatpresentfortheeventtobe recordedontheMendeleevRidge.Forthe35？ 39 and13？ 21kaBPevents,itislikelythattheLaurentideIce Sheet (LIS)suppliedtheunradiogenicfreshwater.Theconfigurationoftheanticycloniccirculationinthe westernArcticwasprobablysimilartotodayorexpandedeastward.Oursimplemassbalancecalculations suggestthatlargeamountsoffreshwaterwerereleasedbutduetosignificant deepwaterformationwithinthe ArcticOcean,theeffectontheformationofNADWwasprobablyminor. | - |
| dc.language | English | - |
| dc.publisher | Elsevier | - |
| dc.subject | Geochemistry & Geophysics | - |
| dc.title | Glacial freshwater discharge events recorded by authigenic neodymium isotopes in sediments from the Mendeleev Ridge, western Arctic Ocean | - |
| dc.title.alternative | 서북극해 멘델레프 해령의 퇴적층에 기록된 자생 네오디뮴 동위원소 기록에 의한 빙하 융빙수 유입사건 | - |
| dc.type | Article | - |
| dc.identifier.bibliographicCitation | Huh Youngsook, et al. 2013. "Glacial freshwater discharge events recorded by authigenic neodymium isotopes in sediments from the Mendeleev Ridge, western Arctic Ocean". <em>EARTH AND PLANETARY SCIENCE LETTERS</em>, 369(5): 148-157. | - |
| dc.citation.title | EARTH AND PLANETARY SCIENCE LETTERS | - |
| dc.citation.volume | 369 | - |
| dc.citation.number | 5 | - |
| dc.identifier.doi | 10.1016/j.epsl.2013.03.018 | - |
| dc.citation.startPage | 148 | - |
| dc.citation.endPage | 157 | - |
| dc.description.articleClassification | SCI | - |
| dc.description.jcrRate | JCR 2011:5.26 | - |
| dc.subject.keyword | 143Nd/144Nd | - |
| dc.subject.keyword | Circulation | - |
| dc.subject.keyword | Ice-dammed lake | - |
| dc.subject.keyword | Mendeleev Ridge | - |
| dc.subject.keyword | Paleoclimate | - |
| dc.identifier.localId | 2013-0239 | - |
| dc.identifier.scopusid | 2-s2.0-84878192714 | - |
| dc.identifier.wosid | 000320684500015 | - |
- Appears in Collections
- 2012-2013, 서북극해 지구온난화 규명을 위한 노스윈드-멘델레프해령 해역의 고해양환경변화 정밀복원연구 (12-13) / Nam, Seung-il (PP12030, PP13030)
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