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Article: Quantifying the intra-regional precipitation variability in northwestern China over the past 1,400 years

TitleQuantifying the intra-regional precipitation variability in northwestern China over the past 1,400 years
Authors
Issue Date2015
PublisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.action
Citation
Plos One, 2015, v. 10 n. 7, article no. e0131693 How to Cite?
AbstractThere has been a surge of paleo-climatic/environmental studies of Northwestern China (NW China), a region characterized by a diverse assortment of hydro-climatic systems. Their common approach, however, focuses on "deducing regional resemblance" rather than "exploring regional variance." To date, efforts to produce a quantitative assessment of long-term intra-regional precipitation variability (IRPV) in NW China has been inadequate. In the present study, we base on historical flood/drought records to compile a decadal IRPV index for NW China spanned AD580-1979 and to find its major determinants via wavelet analysis. Results show that our IRPV index captures the footprints of internal hydro-climatic disparity in NW China. In addition, we find distinct similar to 120-200 year periodicities in the IRPV index over the Little Ice Age, which are attributable to the change of hydro-climatic influence of ocean-atmospheric modes during the period. Also, we offer statistical evidence of El Nino Southern Oscillation (Indo-Pacific warm pool sea surface temperature and China-wide land surface temperature) as the prominent multi-decadal to centennial (centennial to multi-centennial) determinant of the IRPV in NW China. The present study contributes to the quantitative validation of the long-term IRPV in NW China and its driving forces, covering the periods with and without instrumental records. It may help to comprehend the complex hydro-climatic regimes in the region.
Persistent Identifierhttp://hdl.handle.net/10722/214718
ISSN
2015 Impact Factor: 3.057
2015 SCImago Journal Rankings: 1.395
PubMed Central ID
ISI Accession Number ID
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DC FieldValueLanguage
dc.contributor.authorLee, HF-
dc.contributor.authorPei, Q-
dc.contributor.authorZhang, DD-
dc.contributor.authorChoi, KPK-
dc.date.accessioned2015-08-21T11:52:38Z-
dc.date.available2015-08-21T11:52:38Z-
dc.date.issued2015-
dc.identifier.citationPlos One, 2015, v. 10 n. 7, article no. e0131693-
dc.identifier.issn1932-6203-
dc.identifier.urihttp://hdl.handle.net/10722/214718-
dc.description.abstractThere has been a surge of paleo-climatic/environmental studies of Northwestern China (NW China), a region characterized by a diverse assortment of hydro-climatic systems. Their common approach, however, focuses on "deducing regional resemblance" rather than "exploring regional variance." To date, efforts to produce a quantitative assessment of long-term intra-regional precipitation variability (IRPV) in NW China has been inadequate. In the present study, we base on historical flood/drought records to compile a decadal IRPV index for NW China spanned AD580-1979 and to find its major determinants via wavelet analysis. Results show that our IRPV index captures the footprints of internal hydro-climatic disparity in NW China. In addition, we find distinct similar to 120-200 year periodicities in the IRPV index over the Little Ice Age, which are attributable to the change of hydro-climatic influence of ocean-atmospheric modes during the period. Also, we offer statistical evidence of El Nino Southern Oscillation (Indo-Pacific warm pool sea surface temperature and China-wide land surface temperature) as the prominent multi-decadal to centennial (centennial to multi-centennial) determinant of the IRPV in NW China. The present study contributes to the quantitative validation of the long-term IRPV in NW China and its driving forces, covering the periods with and without instrumental records. It may help to comprehend the complex hydro-climatic regimes in the region.-
dc.languageeng-
dc.publisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.action-
dc.relation.ispartofPlos One-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleQuantifying the intra-regional precipitation variability in northwestern China over the past 1,400 years-
dc.typeArticle-
dc.identifier.emailLee, HF: harrylee@hku.hk-
dc.identifier.emailPei, Q: peiqing@hku.hk-
dc.identifier.emailZhang, DD: zhangd@hku.hk-
dc.identifier.authorityLee, HF=rp00646-
dc.identifier.authorityZhang, DD=rp00649-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1371/journal.pone.0131693-
dc.identifier.pmid26154711-
dc.identifier.pmcidPMC4495927-
dc.identifier.hkuros250075-
dc.identifier.volume10-
dc.identifier.issue7-
dc.identifier.isiWOS:000358159700077-
dc.publisher.placeUnited States-
dc.relation.projectThe Causal Mechanism of Drought in Northwestern China over the Past Millennium-
dc.relation.projectClimate change, population growth, and population cycles in historical agrarian China: The influence of spatial scale and regional geographic context-

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