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Article: Impact of Arctic shelf summer stratification on Holocene climate variability

TitleImpact of Arctic shelf summer stratification on Holocene climate variability
Authors
Issue Date2018
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/quascirev
Citation
Quaternary Science Reviews, 2018, v. 191, p. 229-237 How to Cite?
AbstractUnderstanding the dynamic of freshwater and sea-ice export from the Arctic is crucial to better comprehend the potential near-future climate change consequences. Here, we report nitrogen isotope data of a core from the Laptev Sea to shed light on the impact of the Holocene Siberian transgression on the summer stratification of the Laptev Sea. Our data suggest that the oceanographic setting was less favourable to sea-ice formation in the Laptev Sea during the early to mid-Holocene. It is only after the sea level reached a standstill at around 4 ka that the water column structure in the Laptev Sea became more stable. Modern-day conditions, often described as “sea-ice factory”, were reached about 2 ka ago, after the development of a strong summer stratification. These results are consistent with sea-ice reconstruction along the Transpolar Drift, highlighting the potential contribution of the Laptev Sea to the export of freshwater from the Arctic Ocean.
Persistent Identifierhttp://hdl.handle.net/10722/254940
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.558
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorThibodeau, B-
dc.contributor.authorBauch, HA-
dc.contributor.authorKnies, J-
dc.date.accessioned2018-06-21T01:08:57Z-
dc.date.available2018-06-21T01:08:57Z-
dc.date.issued2018-
dc.identifier.citationQuaternary Science Reviews, 2018, v. 191, p. 229-237-
dc.identifier.issn0277-3791-
dc.identifier.urihttp://hdl.handle.net/10722/254940-
dc.description.abstractUnderstanding the dynamic of freshwater and sea-ice export from the Arctic is crucial to better comprehend the potential near-future climate change consequences. Here, we report nitrogen isotope data of a core from the Laptev Sea to shed light on the impact of the Holocene Siberian transgression on the summer stratification of the Laptev Sea. Our data suggest that the oceanographic setting was less favourable to sea-ice formation in the Laptev Sea during the early to mid-Holocene. It is only after the sea level reached a standstill at around 4 ka that the water column structure in the Laptev Sea became more stable. Modern-day conditions, often described as “sea-ice factory”, were reached about 2 ka ago, after the development of a strong summer stratification. These results are consistent with sea-ice reconstruction along the Transpolar Drift, highlighting the potential contribution of the Laptev Sea to the export of freshwater from the Arctic Ocean.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/quascirev-
dc.relation.ispartofQuaternary Science Reviews-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleImpact of Arctic shelf summer stratification on Holocene climate variability-
dc.typeArticle-
dc.identifier.emailThibodeau, B: bthib@hku.hk-
dc.identifier.authorityThibodeau, B=rp02033-
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.quascirev.2018.05.017-
dc.identifier.scopuseid_2-s2.0-85047149398-
dc.identifier.hkuros285324-
dc.identifier.volume191-
dc.identifier.spage229-
dc.identifier.epage237-
dc.identifier.isiWOS:000437363000015-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0277-3791-

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