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Supply of Aged Organic Carbon on the Arctic Chukchi Sea Slope

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dc.contributor.authorKim, Hojung-
dc.contributor.authorKim, Dongseon-
dc.contributor.authorYang, Eun Jin-
dc.contributor.authorNam, Seung-il-
dc.contributor.authorCho, Sosul-
dc.contributor.authorCho, Kyoung-Ho-
dc.contributor.authorJung, Jinyoung-
dc.contributor.authorNegar Haghipour-
dc.contributor.authorTimothy I. Eglinton-
dc.contributor.authorKim, Minkyoung-
dc.date.accessioned2026-02-10T02:15:24Z-
dc.date.available2026-02-10T02:15:24Z-
dc.date.issued2025-10-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/16574-
dc.description.abstractTo better understand the carbon cycling dynamics in the Arctic Ocean, which is undergoing rapid declines in sea ice extent and increasing temperatures, we examined sinking particles collected by bottomtethered sediment traps deployed on the Chukchi Sea slope in the Pacific sector of the Arctic Ocean from 2017 to 2021. Sinking particle flux was high during the summer (June?September) and low during the winter (October?May), reflecting the characteristic seasonal variation in primary production. Additionally, two notable phenomena were observed: (a) substantial interannual variations in summertime particle flux and (b) a continuous supply of aged carbon throughout the year. The pronounced interannual variations in summertime particle flux were plausibly associated with the timing of sea ice retreat, subsequent ice­free periods, and associated biogeochemical processes. Aged particulate organic carbon, likely supplied by sediment resuspension and lateral transport, accounted for a considerable fraction of total carbon flux throughout the year, as evidenced by depleted radiocarbon isotopic compositions and relatively high contents of lithogenic material.en_US
dc.languageEnglishen_US
dc.subject.classificationAraonen_US
dc.titleSupply of Aged Organic Carbon on the Arctic Chukchi Sea Slopeen_US
dc.title.alternative북극해 척치해 대륙사면에서 오래된 유기탄소의 공급en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationKim, Hojung, et al. 2025. "Supply of Aged Organic Carbon on the Arctic Chukchi Sea Slope". <em>JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS</em>, 130(10): 0-0.-
dc.citation.titleJOURNAL OF GEOPHYSICAL RESEARCH-OCEANSen_US
dc.citation.volume130en_US
dc.citation.number10en_US
dc.identifier.doihttps://doi.org/10.1029/2025JC022731-
dc.citation.startPage0en_US
dc.citation.endPage0en_US
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2023:0en_US
dc.subject.keywordAged Organic Carbonen_US
dc.subject.keywordArctic Oceanen_US
dc.subject.keywordChukchi Seaen_US
dc.subject.keywordSediment trapen_US
dc.identifier.localId2025-0199-
Appears in Collections  
2025-2025, 북극해 온난화-해양생태계 변화 감시 및 미래전망 연구 (25-25) / 양은진 (PM25040)
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