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Article: Hydroclimate Variations in Central and Monsoonal Asia over the Past 700 Years

TitleHydroclimate Variations in Central and Monsoonal Asia over the Past 700 Years
Authors
Issue Date2014
Citation
PLoS ONE, 2014, v. 9, p. e102751 How to Cite?
AbstractHydroclimate variations since 1300 in central and monsoonal Asia and their interplay on interannual and interdecadal timescales are investigated using the tree-ring based Palmer Drought Severity Index (PDSI) reconstructions. Both the interannual and interdecadal variations in both regions are closely to the Pacific Decadal Oscillation (PDO). On interannual timescale, the most robust correlations are observed between PDO and hydroclimate in central Asia. Interannual hydroclimate variations in central Asia are more significant during the warm periods with high solar irradiance, which is likely due to the enhanced variability of the eastern tropical Pacific Ocean, the high-frequency component of PDO, during the warm periods. We observe that the periods with significant interdecadal hydroclimate changes in central Asia often correspond to periods without significant interdecadal variability in monsoonal Asia, particularly before the 19th century. The PDO-hydroclimate relationships appear to be bridged by the atmospheric circulation between central North Pacific Ocean and Tibetan Plateau, a key area of PDO. While, in some periods the atmospheric circulation between central North Pacific Ocean and monsoonal Asia may lead to significant interdecadal hydroclimate variations in monsoonal Asia.
Persistent Identifierhttp://hdl.handle.net/10722/207329
ISSN
2015 Impact Factor: 3.057
2015 SCImago Journal Rankings: 1.395
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFang, Ken_US
dc.contributor.authorChen, Fen_US
dc.contributor.authorSen, Aen_US
dc.contributor.authorDavi, Nen_US
dc.contributor.authorHuang, Wen_US
dc.contributor.authorLi, Jen_US
dc.contributor.authorSeppä, Hen_US
dc.date.accessioned2014-12-19T10:37:43Z-
dc.date.available2014-12-19T10:37:43Z-
dc.date.issued2014en_US
dc.identifier.citationPLoS ONE, 2014, v. 9, p. e102751en_US
dc.identifier.issn1932-6203-
dc.identifier.urihttp://hdl.handle.net/10722/207329-
dc.description.abstractHydroclimate variations since 1300 in central and monsoonal Asia and their interplay on interannual and interdecadal timescales are investigated using the tree-ring based Palmer Drought Severity Index (PDSI) reconstructions. Both the interannual and interdecadal variations in both regions are closely to the Pacific Decadal Oscillation (PDO). On interannual timescale, the most robust correlations are observed between PDO and hydroclimate in central Asia. Interannual hydroclimate variations in central Asia are more significant during the warm periods with high solar irradiance, which is likely due to the enhanced variability of the eastern tropical Pacific Ocean, the high-frequency component of PDO, during the warm periods. We observe that the periods with significant interdecadal hydroclimate changes in central Asia often correspond to periods without significant interdecadal variability in monsoonal Asia, particularly before the 19th century. The PDO-hydroclimate relationships appear to be bridged by the atmospheric circulation between central North Pacific Ocean and Tibetan Plateau, a key area of PDO. While, in some periods the atmospheric circulation between central North Pacific Ocean and monsoonal Asia may lead to significant interdecadal hydroclimate variations in monsoonal Asia.-
dc.languageengen_US
dc.relation.ispartofPLoS ONEen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleHydroclimate Variations in Central and Monsoonal Asia over the Past 700 Yearsen_US
dc.typeArticleen_US
dc.identifier.emailLi, J: jinbao@hku.hken_US
dc.identifier.authorityLi, J=rp01699en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1371/journal.pone.0102751en_US
dc.identifier.pmid25119567-
dc.identifier.hkuros241877en_US
dc.identifier.volume9en_US
dc.identifier.spagee102751en_US
dc.identifier.epagee102751en_US
dc.identifier.isiWOS:000340900600011-

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