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dc.contributor.authorXiao, Shengchun
dc.contributor.authorXiao, Honglang
dc.contributor.authorKobayashi, Osamu
dc.contributor.authorLiu, Puxing
dc.date.accessioned2017-02-15T17:51:05Z
dc.date.available2017-02-15T17:51:05Z
dc.date.issued2007-06
dc.identifier.citationXiao, S., Xiao, H., Kobayashi, O., Liu, P., 2007. Dendroclimatological investigations of sea buckthorn (Hippophae rhamnoides) and reconstruction of the equilibrium line altitude of the July First Glacier in the Western Qilian Mountains, northwestern China. Tree-Ring Research 63(1):15-26.en
dc.identifier.issn2162-4585
dc.identifier.issn1536-1098
dc.identifier.urihttp://hdl.handle.net/10150/622551
dc.description.abstractRadial growth characteristics of a high-elevation shrub species, sea buckthorn (Hippophae rhamnoides), were investigated at four sites in a river valley at altitudes ranging from 3,333 to 3,820 m a.s.l. close to the terminus of the July First Glacier in the western Qilian Mountains of northwestern China. Radial growth of the sea buckthorn was significantly and positively correlated with the mean monthly temperature in June of the current growing season. Based on the fact that fluctuations in the shrub’s radial growth and the glacier’s equilibrium-line altitude (ELA) are affected by climatic variables, a tree-ring width chronology of the four sites was used to reconstruct the ELA from 1950 to 2003. The resulting ELA model explained more than 55.3% of the variance in the ELA of the July First Glacier series. On a decadal time scale, the cumulative-departure curve of the reconstructed ELA series showed an increasing trend from the 1950s to the mid-1960s, followed by a descending trend from the mid-1960s to the mid-1970s. The ELA appears to have remained stable from the mid-1970s to the mid-1990s, but has displayed dramatic variations during the past decade.
dc.language.isoen_USen
dc.publisherTree-Ring Societyen
dc.relation.urlhttp://www.treeringsociety.orgen
dc.rightsCopyright © Tree-Ring Society. All rights reserved.en
dc.subjectDendrochronologyen
dc.subjectTree Ringsen
dc.subjectDendroglaciologyen
dc.subjectJuly First Glacieren
dc.subjectEquilibrium Line Altitude (ELA)en
dc.subjectHippophae Rhamnoidesen
dc.subjectShrub Growthen
dc.subjectTree-Ring Analysisen
dc.titleDendroclimatological Investigations Of Sea Buckthorn (Hippophae Rhamnoides) And Reconstruction Of The Equilibrium Line Altitude Of The July First Glacier In The Western Qilian Mountains, Northwestern Chinaen_US
dc.typeArticleen
dc.typetexten
dc.contributor.departmentCold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, Chinaen
dc.contributor.departmentThe University Forest, Faculty of Agriculture, Ehime University, Ehime 7908566, Japanen
dc.contributor.departmentCollege of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, Chinaen
dc.identifier.journalTree-Ring Researchen
dc.description.collectioninformationThis item is part of the Tree-Ring Research (formerly Tree-Ring Bulletin) archive. For more information about this peer-reviewed scholarly journal, please email the Editor of Tree-Ring Research at editor@treeringsociety.org.en
refterms.dateFOA2018-09-11T17:38:27Z
html.description.abstractRadial growth characteristics of a high-elevation shrub species, sea buckthorn (Hippophae rhamnoides), were investigated at four sites in a river valley at altitudes ranging from 3,333 to 3,820 m a.s.l. close to the terminus of the July First Glacier in the western Qilian Mountains of northwestern China. Radial growth of the sea buckthorn was significantly and positively correlated with the mean monthly temperature in June of the current growing season. Based on the fact that fluctuations in the shrub’s radial growth and the glacier’s equilibrium-line altitude (ELA) are affected by climatic variables, a tree-ring width chronology of the four sites was used to reconstruct the ELA from 1950 to 2003. The resulting ELA model explained more than 55.3% of the variance in the ELA of the July First Glacier series. On a decadal time scale, the cumulative-departure curve of the reconstructed ELA series showed an increasing trend from the 1950s to the mid-1960s, followed by a descending trend from the mid-1960s to the mid-1970s. The ELA appears to have remained stable from the mid-1970s to the mid-1990s, but has displayed dramatic variations during the past decade.


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