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Article: Common tree growth anomalies over the northeastern Tibetan Plateau during the last six centuries: Implications for regional moisture change

TitleCommon tree growth anomalies over the northeastern Tibetan Plateau during the last six centuries: Implications for regional moisture change
Authors
KeywordsAsian Monsoon
Climate Change
Dendrochronology
Moisture Change
Tibetan Plateau
Tree Growth Anomalies
Issue Date2008
PublisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/GCB
Citation
Global Change Biology, 2008, v. 14 n. 9, p. 2096-2107 How to Cite?
AbstractThe world's hydrological cycle is believed to intensify with global warming, yet current climate models have only a limited ability to assess moisture responses at regional scales. Tree-ring records are a valuable source of information for understanding long-term, regional-scale moisture changes, particularly for large regions such as the Tibetan Plateau (TP), where the observational data are short and sparse. Here, we present a new ring-width chronology developed from Qilian Juniper (Sabina przewalskii) wood at two sites on the northeastern TP. This chronology, combined with others from the same region, demonstrates that tree growth anomalies are linked to regional late spring to early summer moisture availability. Although late monsoon season precipitation in the study area decreased during recent decades, tree growth continued to increase due to persistent moisture availability in the early monsoon season. Comparison with global sea surface temperatures (SSTs) indicates that early (late) monsoon season precipitation is closely related to tropical Pacific (Indian Ocean) SSTs, suggesting a possible seasonal shift in the dominant moisture source area for monsoonal precipitation over the northeastern TP. It is further shown that there is a very high degree of coherency regarding low-frequency tree growth anomalies over the northeastern TP during the last six centuries. The most prominent drought epoch occurred during ca. 1450-1500, which may have been caused by a significant decrease in the thermal gradient between the Eurasian continent and the tropical oceans. A persistent tree growth increase since the 1880s is coincident with global warming, suggesting an intensified early monsoon season moisture regime in the study area. © Journal compilation © 2008 Blackwell Publishing.
Persistent Identifierhttp://hdl.handle.net/10722/180554
ISSN
2015 Impact Factor: 8.444
2015 SCImago Journal Rankings: 5.379
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLi, Jen_US
dc.contributor.authorCook, ERen_US
dc.contributor.authorD'arrigo, Ren_US
dc.contributor.authorChen, Fen_US
dc.contributor.authorGou, Xen_US
dc.contributor.authorPeng, Jen_US
dc.contributor.authorHuang, Jen_US
dc.date.accessioned2013-01-28T01:39:48Z-
dc.date.available2013-01-28T01:39:48Z-
dc.date.issued2008en_US
dc.identifier.citationGlobal Change Biology, 2008, v. 14 n. 9, p. 2096-2107en_US
dc.identifier.issn1354-1013en_US
dc.identifier.urihttp://hdl.handle.net/10722/180554-
dc.description.abstractThe world's hydrological cycle is believed to intensify with global warming, yet current climate models have only a limited ability to assess moisture responses at regional scales. Tree-ring records are a valuable source of information for understanding long-term, regional-scale moisture changes, particularly for large regions such as the Tibetan Plateau (TP), where the observational data are short and sparse. Here, we present a new ring-width chronology developed from Qilian Juniper (Sabina przewalskii) wood at two sites on the northeastern TP. This chronology, combined with others from the same region, demonstrates that tree growth anomalies are linked to regional late spring to early summer moisture availability. Although late monsoon season precipitation in the study area decreased during recent decades, tree growth continued to increase due to persistent moisture availability in the early monsoon season. Comparison with global sea surface temperatures (SSTs) indicates that early (late) monsoon season precipitation is closely related to tropical Pacific (Indian Ocean) SSTs, suggesting a possible seasonal shift in the dominant moisture source area for monsoonal precipitation over the northeastern TP. It is further shown that there is a very high degree of coherency regarding low-frequency tree growth anomalies over the northeastern TP during the last six centuries. The most prominent drought epoch occurred during ca. 1450-1500, which may have been caused by a significant decrease in the thermal gradient between the Eurasian continent and the tropical oceans. A persistent tree growth increase since the 1880s is coincident with global warming, suggesting an intensified early monsoon season moisture regime in the study area. © Journal compilation © 2008 Blackwell Publishing.en_US
dc.languageengen_US
dc.publisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/GCBen_US
dc.relation.ispartofGlobal Change Biologyen_US
dc.subjectAsian Monsoonen_US
dc.subjectClimate Changeen_US
dc.subjectDendrochronologyen_US
dc.subjectMoisture Changeen_US
dc.subjectTibetan Plateauen_US
dc.subjectTree Growth Anomaliesen_US
dc.titleCommon tree growth anomalies over the northeastern Tibetan Plateau during the last six centuries: Implications for regional moisture changeen_US
dc.typeArticleen_US
dc.identifier.emailLi, J: jinbao@hku.hken_US
dc.identifier.authorityLi, J=rp01699en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1111/j.1365-2486.2008.01603.xen_US
dc.identifier.scopuseid_2-s2.0-48849103113en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-48849103113&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume14en_US
dc.identifier.issue9en_US
dc.identifier.spage2096en_US
dc.identifier.epage2107en_US
dc.identifier.isiWOS:000258257700010-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridLi, J=35272482700en_US
dc.identifier.scopusauthoridCook, ER=7202259586en_US
dc.identifier.scopusauthoridD'Arrigo, R=7003697159en_US
dc.identifier.scopusauthoridChen, F=7404907075en_US
dc.identifier.scopusauthoridGou, X=7003498424en_US
dc.identifier.scopusauthoridPeng, J=15760581700en_US
dc.identifier.scopusauthoridHuang, J=9232408700en_US

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