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Sources and Dynamics of Dissolved Organic Carbon in Kongsfjorden: Insights From Radiocarbon Analysis

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dc.contributor.authorOh, Sunmin-
dc.contributor.authorLing Fang-
dc.contributor.authorKim, Jeonghyun-
dc.contributor.authorYang, Eun Jin-
dc.contributor.authorHwang, Jeomshik-
dc.contributor.authorKim, Minkyoung-
dc.date.accessioned2026-02-10T02:19:14Z-
dc.date.available2026-02-10T02:19:14Z-
dc.date.issued2025-04-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/16576-
dc.description.abstractThe Arctic is undergoing rapid warming, resulting in accelerating glacier melt and release of nutrients, particles, and organic matter into coastal fjord systems. Kongsfjorden, a fjord in Svalbard, serves as a natural laboratory for investigating climate­driven shifts in high­latitude fjord ecosystems and their broader implications for the Arctic. To examine dissolved organic carbon (DOC) sources and cycling in Kongsfjorden, we collected samples of seawater, floating ice, and river water in June 2023 and analyzed 14C and 13C in DOC. Radiocarbon values of DOC (as in Δ14C) in fjord seawater ranged from ?? 302‰ to ?? 253‰, while values in the Bayelva River were higher, suggesting a contribution of younger, terrigenous DOC. However, stable carbon isotope results suggested rapid removal of riverine DOC after entering the fjord. Additionally, differences in Δ14C values between the inner and outer fjord reflected varying contributions from surface primary production and glacial meltwater inputs.en_US
dc.languageEnglishen_US
dc.subject.classificationDasan Stationen_US
dc.titleSources and Dynamics of Dissolved Organic Carbon in Kongsfjorden: Insights From Radiocarbon Analysisen_US
dc.title.alternative콩스피요르덴에서 용존유기탄소의 기원과 동태: 방사성탄소(¹⁴C) 분석을 통한 통찰en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationOh, Sunmin, et al. 2025. "Sources and Dynamics of Dissolved Organic Carbon in Kongsfjorden: Insights From Radiocarbon Analysis". <em>GEOPHYSICAL RESEARCH LETTERS</em>, 52(8): 0-0.-
dc.citation.titleGEOPHYSICAL RESEARCH LETTERSen_US
dc.citation.volume52en_US
dc.citation.number8en_US
dc.identifier.doihttps://doi.org/10.1029/2025GL114917-
dc.citation.startPage0en_US
dc.citation.endPage0en_US
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2023:0en_US
dc.subject.keywordArctic Oceanen_US
dc.subject.keywordDissolved organic cargonen_US
dc.subject.keywordKongsfjordenen_US
dc.subject.keywordRadiocarbonen_US
dc.identifier.localId2025-0200-
Appears in Collections  
2025-2025, 북극해 온난화-해양생태계 변화 감시 및 미래전망 연구 (25-25) / 양은진 (PM25040)
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