Organic carbon and nitrogen composition in the sediment of the Kara Sea, Arctic Ocean during the Last Glacial Maximum to Holocene times
DC Field | Value | Language |
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dc.contributor.author | Kang, Hwa-Seong | - |
dc.contributor.author | Won, Eun-Ji | - |
dc.contributor.author | Shin, Kyung-Hoon | - |
dc.contributor.author | Yoon, Ho Il | - |
dc.date.accessioned | 2021-06-23T19:38:58Z | - |
dc.date.available | 2021-06-23T19:38:58Z | - |
dc.date.created | 2021-01-21 | - |
dc.date.issued | 2007-06 | - |
dc.identifier.issn | 0094-8276 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/43616 | - |
dc.description.abstract | A sharp decrease in C-org/N-tot ratios and apparently heavier stable isotope ratios of C-org and N-tot (delta C-13(org) and delta N-15(tot)) after deglaciation were observed in sediment cores St-25 and St-34 collected from the Saint Anna Trough in the Kara Sea, exhibiting a change of sediment origin from terrestrial to marine during the LGM and Holocene times. Organic nitrogen (N-org) contributed about 40% to total nitrogen (N-tot) during the Holocene, but the Norg fraction was hardly observed in the lower LGM sediments ( below 120 cm depth in St-25 and beneath 170 cm in St-34). This may be due to a permanent cover of sea ice in the area during the LGM. In addition, the delta C-13 values for OClabile and OCresi were remarkably different between LGM and Holocene sediment. The unexpected lighter delta C-13 values for OCresi for the LGM period might be due to methanotrophic bacteria in the sediment of Kara Sea. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | American Geophysical Union | - |
dc.title | Organic carbon and nitrogen composition in the sediment of the Kara Sea, Arctic Ocean during the Last Glacial Maximum to Holocene times | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Shin, Kyung-Hoon | - |
dc.identifier.doi | 10.1029/2007GL030068 | - |
dc.identifier.scopusid | 2-s2.0-38349161559 | - |
dc.identifier.wosid | 000247680800005 | - |
dc.identifier.bibliographicCitation | Geophysical Research Letters, v.34, no.12, pp.1 - 4 | - |
dc.relation.isPartOf | Geophysical Research Letters | - |
dc.citation.title | Geophysical Research Letters | - |
dc.citation.volume | 34 | - |
dc.citation.number | 12 | - |
dc.citation.startPage | 1 | - |
dc.citation.endPage | 4 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Geology | - |
dc.relation.journalWebOfScienceCategory | Geosciences, Multidisciplinary | - |
dc.subject.keywordPlus | CONTINENTAL-MARGIN | - |
dc.subject.keywordPlus | ANNA TROUGH | - |
dc.subject.keywordPlus | MATTER | - |
dc.subject.keywordPlus | ACCUMULATION | - |
dc.subject.keywordPlus | DEGLACIATION | - |
dc.subject.keywordPlus | ATLANTIC | - |
dc.subject.keywordPlus | PACIFIC | - |
dc.identifier.url | https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2007GL030068 | - |
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