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Article: Possible reverse trend in Asian summer monsoon strength during the late Holocene

TitlePossible reverse trend in Asian summer monsoon strength during the late Holocene
Authors
KeywordsAsian Summer Monsoon
Late Holocene
Summer Insolation
Temperature Changes
Issue Date2013
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
Citation
Journal Of Asian Earth Sciences, 2013, v. 69, p. 102-112 How to Cite?
AbstractHolocene climate change is characterized as generally cooling in high latitudes and drying in tropical and Asian summer monsoonal regions, following the gradual decrease in northern hemisphere summer insolation over the last 12,000. years. However, some recent high-resolution, well-dated monsoon reconstructions seem to suggest an abnormal increase in Asian summer monsoon strength during the late Holocene, against the generally weakening Holocene trend. Here, we synthesize marine and terrestrial moisture records from Asian monsoonal regions that span most of the Holocene period. Late Holocene strengthening of Asian summer monsoon identified from a wealth of the synthesized monsoon records appears to be a robust feature, which warrants further consideration of its possible causes. The possible reverse trend in Asian summer monsoon strength preceding insolation minima seems to have also occurred during previous interglacial periods, based on speleothem records. We further show a similar late Holocene reverse trend in tropical hydrological changes, suggesting that the Asian summer monsoon behavior might be internally linked to the movement of the average position of the ITCZ and ENSO variability during the late Holocene. On the other hand, we suggest that even though several Holocene temperature records indeed show a reverse trend in the late Holocene, the overall evidence for a link between the late Holocene reverse trend in Asian summer monsoon and global temperature changes is insufficient. The reverse trend in Asian summer monsoon during the late Holocene is difficult to be explained with the traditional boreal insolation-driven view. We suggest that this phenomenon might be linked to austral summer insolation changes and/or greenhouse gas increase. However, we caution that additional paleoclimate reconstructions and model simulations are needed to systematically study the spatial pattern and understand underlying mechanism of the late Holocene reverse trend in Asian summer monsoon strength. © 2012 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/184317
ISSN
2015 Impact Factor: 2.647
2015 SCImago Journal Rankings: 1.393
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhao, Cen_US
dc.contributor.authorChang, YPen_US
dc.contributor.authorChen, MTen_US
dc.contributor.authorLiu, Zen_US
dc.date.accessioned2013-07-10T06:24:06Z-
dc.date.available2013-07-10T06:24:06Z-
dc.date.issued2013en_US
dc.identifier.citationJournal Of Asian Earth Sciences, 2013, v. 69, p. 102-112en_US
dc.identifier.issn1367-9120en_US
dc.identifier.urihttp://hdl.handle.net/10722/184317-
dc.description.abstractHolocene climate change is characterized as generally cooling in high latitudes and drying in tropical and Asian summer monsoonal regions, following the gradual decrease in northern hemisphere summer insolation over the last 12,000. years. However, some recent high-resolution, well-dated monsoon reconstructions seem to suggest an abnormal increase in Asian summer monsoon strength during the late Holocene, against the generally weakening Holocene trend. Here, we synthesize marine and terrestrial moisture records from Asian monsoonal regions that span most of the Holocene period. Late Holocene strengthening of Asian summer monsoon identified from a wealth of the synthesized monsoon records appears to be a robust feature, which warrants further consideration of its possible causes. The possible reverse trend in Asian summer monsoon strength preceding insolation minima seems to have also occurred during previous interglacial periods, based on speleothem records. We further show a similar late Holocene reverse trend in tropical hydrological changes, suggesting that the Asian summer monsoon behavior might be internally linked to the movement of the average position of the ITCZ and ENSO variability during the late Holocene. On the other hand, we suggest that even though several Holocene temperature records indeed show a reverse trend in the late Holocene, the overall evidence for a link between the late Holocene reverse trend in Asian summer monsoon and global temperature changes is insufficient. The reverse trend in Asian summer monsoon during the late Holocene is difficult to be explained with the traditional boreal insolation-driven view. We suggest that this phenomenon might be linked to austral summer insolation changes and/or greenhouse gas increase. However, we caution that additional paleoclimate reconstructions and model simulations are needed to systematically study the spatial pattern and understand underlying mechanism of the late Holocene reverse trend in Asian summer monsoon strength. © 2012 Elsevier Ltd.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaesen_US
dc.relation.ispartofJournal of Asian Earth Sciencesen_US
dc.subjectAsian Summer Monsoonen_US
dc.subjectLate Holoceneen_US
dc.subjectSummer Insolationen_US
dc.subjectTemperature Changesen_US
dc.titlePossible reverse trend in Asian summer monsoon strength during the late Holoceneen_US
dc.typeArticleen_US
dc.identifier.emailLiu, Z: zhliu@hku.hken_US
dc.identifier.authorityLiu, Z=rp00750en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.jseaes.2012.09.028en_US
dc.identifier.scopuseid_2-s2.0-84877111252en_US
dc.identifier.hkuros219537-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84877111252&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume69en_US
dc.identifier.spage102en_US
dc.identifier.epage112en_US
dc.identifier.isiWOS:000319635400011-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridZhao, C=55470268900en_US
dc.identifier.scopusauthoridChang, YP=8397224500en_US
dc.identifier.scopusauthoridChen, MT=7406353674en_US
dc.identifier.scopusauthoridLiu, Z=16177844800en_US

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