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Article: Deciphering Human Contributions to Yellow River Flow Reductions and Downstream Drying Using Centuries-Long Tree Ring Records

TitleDeciphering Human Contributions to Yellow River Flow Reductions and Downstream Drying Using Centuries-Long Tree Ring Records
Authors
Keywordstree rings
Yellow River flow
climate change
Issue Date2019
PublisherAmerican Geophysical Union. The Journal's web site is located at https://agupubs.onlinelibrary.wiley.com/journal/19448007
Citation
Geophysical Research Letters, 2019, v. 46 n. 2, p. 898-905 How to Cite?
AbstractThe Yellow River flow has decreased substantially in recent decades, and the river often dried up in the lower reach and failed to reach the sea. Climate change and human disruption have been suggested as major causes of the flow reduction, but quantification of their relative contribution is challenging due to limited instrumental records and disturbance by dams. Here we use a basin‐wide tree ring network to reconstruct the Yellow River flow for the past 1,200 years and show that the flow exhibits marked amplitude variations that are closely coupled to the hydrological mean state swings at multidecadal to centennial timescales. Recent flow should have increased to the highest level of the past 1,200 years if there were no human disruption. However, human activities have caused a loss of nearly half of natural flow since the late 1960s and are the main culprit for recent downstream flow reduction.
Persistent Identifierhttp://hdl.handle.net/10722/277253
ISSN
2019 Impact Factor: 4.497
2015 SCImago Journal Rankings: 3.323

 

DC FieldValueLanguage
dc.contributor.authorLi, J-
dc.contributor.authorXie, S-
dc.contributor.authorCook, ER-
dc.contributor.authorChen, F-
dc.contributor.authorShi, J-
dc.contributor.authorZhang, D-
dc.contributor.authorFang, K-
dc.contributor.authorGou, X-
dc.contributor.authorLi, T-
dc.contributor.authorPeng, J-
dc.contributor.authorShi, S-
dc.contributor.authorZhao, Y-
dc.date.accessioned2019-09-20T08:47:32Z-
dc.date.available2019-09-20T08:47:32Z-
dc.date.issued2019-
dc.identifier.citationGeophysical Research Letters, 2019, v. 46 n. 2, p. 898-905-
dc.identifier.issn0094-8276-
dc.identifier.urihttp://hdl.handle.net/10722/277253-
dc.description.abstractThe Yellow River flow has decreased substantially in recent decades, and the river often dried up in the lower reach and failed to reach the sea. Climate change and human disruption have been suggested as major causes of the flow reduction, but quantification of their relative contribution is challenging due to limited instrumental records and disturbance by dams. Here we use a basin‐wide tree ring network to reconstruct the Yellow River flow for the past 1,200 years and show that the flow exhibits marked amplitude variations that are closely coupled to the hydrological mean state swings at multidecadal to centennial timescales. Recent flow should have increased to the highest level of the past 1,200 years if there were no human disruption. However, human activities have caused a loss of nearly half of natural flow since the late 1960s and are the main culprit for recent downstream flow reduction.-
dc.languageeng-
dc.publisherAmerican Geophysical Union. The Journal's web site is located at https://agupubs.onlinelibrary.wiley.com/journal/19448007-
dc.relation.ispartofGeophysical Research Letters-
dc.rightsGeophysical Research Letters. Copyright © American Geophysical Union.-
dc.rightsPublished version Copyright [2019] American Geophysical Union. To view the published open abstract, go to https://doi.org/10.1029/2018GL081090-
dc.subjecttree rings-
dc.subjectYellow River flow-
dc.subjectclimate change-
dc.titleDeciphering Human Contributions to Yellow River Flow Reductions and Downstream Drying Using Centuries-Long Tree Ring Records-
dc.typeArticle-
dc.identifier.emailLi, J: jinbao@hku.hk-
dc.identifier.authorityLi, J=rp01699-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1029/2018GL081090-
dc.identifier.scopuseid_2-s2.0-85060177101-
dc.identifier.hkuros305701-
dc.identifier.volume46-
dc.identifier.issue2-
dc.identifier.spage898-
dc.identifier.epage905-
dc.publisher.placeUnited States-

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