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Article: Holocene temperature and precipitation variability on the central Tibetan Plateau revealed by multiple palaeo-climatic proxy records from an alpine wetland sequence

TitleHolocene temperature and precipitation variability on the central Tibetan Plateau revealed by multiple palaeo-climatic proxy records from an alpine wetland sequence
Authors
Keywordsalpine wetland sediment
Asian monsoon
GDGTs
global ice volume
n-alkanes
Issue Date2017
PublisherSage Publications Ltd. The Journal's web site is located at http://hol.sagepub.com
Citation
The Holocene, 2017, v. 27 n. 11, p. 1669-1681 How to Cite?
AbstractThis study has reconstructed the Holocene environmental history of central Tibetan Plateau, a transitional area between monsoon-dominated Asia and Westerlies-dominated Asia, to examine the interplay between the two circulation systems and effects of other potential mechanisms on the temporal variability of Holocene climatic conditions in the study area. Specifically, this study has produced a twin record of palaeo-hydrology and palaeo-temperature from an alpine wetland sediment sequence using two sets of lipid-based biomarker indices: n-alkanes and branched glycerol dialkyl glycerol tetraethers (bGDGTs). The results show that (1) the Asian summer monsoon has supplied moisture that helped initiate the wetland habitat around 8000 cal. yr BP, about 2000 years later than locations along the southeastern edge of the plateau; (2) a significant decline in moisture supply is evident since the Medieval Warm period; (3) the Westerlies have transmitted variability of the North Atlantic climate to the study area, resulting in periodic increases in evaporation and causing short-term expansion or contraction of the wetland and (4) the palaeo-air temperature change follows closely that of global sea level and sea surface temperature, implying a link to global ice volume change throughout the Holocene. This study concludes that the Holocene climate history of central Tibetan Plateau is a result of monsoonal moisture supply interacted with the Westerlies variability, while the palaeo-temperature has followed changes in global ice volume during the present warm interglacial. © 2017, © The Author(s) 2017.
Persistent Identifierhttp://hdl.handle.net/10722/244945
ISSN
2017 Impact Factor: 2.419
2015 SCImago Journal Rankings: 1.147
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCheung, MC-
dc.contributor.authorZong, Y-
dc.contributor.authorZheng, Z-
dc.contributor.authorLiu, Z-
dc.contributor.authorAitchison, JC-
dc.date.accessioned2017-09-18T02:01:53Z-
dc.date.available2017-09-18T02:01:53Z-
dc.date.issued2017-
dc.identifier.citationThe Holocene, 2017, v. 27 n. 11, p. 1669-1681-
dc.identifier.issn0959-6836-
dc.identifier.urihttp://hdl.handle.net/10722/244945-
dc.description.abstractThis study has reconstructed the Holocene environmental history of central Tibetan Plateau, a transitional area between monsoon-dominated Asia and Westerlies-dominated Asia, to examine the interplay between the two circulation systems and effects of other potential mechanisms on the temporal variability of Holocene climatic conditions in the study area. Specifically, this study has produced a twin record of palaeo-hydrology and palaeo-temperature from an alpine wetland sediment sequence using two sets of lipid-based biomarker indices: n-alkanes and branched glycerol dialkyl glycerol tetraethers (bGDGTs). The results show that (1) the Asian summer monsoon has supplied moisture that helped initiate the wetland habitat around 8000 cal. yr BP, about 2000 years later than locations along the southeastern edge of the plateau; (2) a significant decline in moisture supply is evident since the Medieval Warm period; (3) the Westerlies have transmitted variability of the North Atlantic climate to the study area, resulting in periodic increases in evaporation and causing short-term expansion or contraction of the wetland and (4) the palaeo-air temperature change follows closely that of global sea level and sea surface temperature, implying a link to global ice volume change throughout the Holocene. This study concludes that the Holocene climate history of central Tibetan Plateau is a result of monsoonal moisture supply interacted with the Westerlies variability, while the palaeo-temperature has followed changes in global ice volume during the present warm interglacial. © 2017, © The Author(s) 2017.-
dc.languageeng-
dc.publisherSage Publications Ltd. The Journal's web site is located at http://hol.sagepub.com-
dc.relation.ispartofThe Holocene-
dc.rightsThe Holocene. Copyright © Sage Publications Ltd.-
dc.subjectalpine wetland sediment-
dc.subjectAsian monsoon-
dc.subjectGDGTs-
dc.subjectglobal ice volume-
dc.subjectn-alkanes-
dc.titleHolocene temperature and precipitation variability on the central Tibetan Plateau revealed by multiple palaeo-climatic proxy records from an alpine wetland sequence-
dc.typeArticle-
dc.identifier.emailZong, Y: yqzong@hku.hk-
dc.identifier.emailLiu, Z: zhliu@hku.hk-
dc.identifier.authorityZong, Y=rp00846-
dc.identifier.authorityLiu, Z=rp00750-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1177/0959683617702225-
dc.identifier.scopuseid_2-s2.0-85033446429-
dc.identifier.hkuros279106-
dc.identifier.volume27-
dc.identifier.issue11-
dc.identifier.spage1669-
dc.identifier.epage1681-
dc.identifier.isiWOS:000415000900005-
dc.publisher.placeUnited Kingdom-

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