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Article: Sensitivity of hydrogeomorphological hazards in the Qinling Mountains, China
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TitleSensitivity of hydrogeomorphological hazards in the Qinling Mountains, China
 
AuthorsHe, H4 3 2
Zhou, J4
Peart, MR1
Chen, J1
Zhang, Q3
 
Issue Date2012
 
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quaint
 
CitationQuaternary International, 2012, v. 282, p. 37-47 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.quaint.2012.06.002
 
AbstractInvestigations into hydrogeomorphological hazards in the Qinling Mountains were conducted by consideration of orographic characteristics and climatic fluctuations. Climatic-orographic-hydrologic processes in the Qinling Mountains were assessed through model simulation from proposed hydrodynamic gradient model and hydrological hazard index model combined with MM5 model (PSU/NCAR, 2005) and HEC-HMS/RAS () model. Results show that climate change is key contributor to flood extreme events, and the Qinling Mountains has increased risk of rainstorm-flood extreme events. The hydrogeomorphological gradient has strong north-south gradient distribution due to orographic effects of the Qinling Mountains. Climate change impacts on hydrogeomorphological processes are dominated by short and severe rainstorms. High-frequency heavy rain regions are located in steep topographic gradients, such as the north-south valleys and windward slopes of higher elevations in the Qinling Mountains. The hydrogeomorphological consequences intensify the occurrence of localized extreme flash floods and accelerated erosion, altering flooding routing in the upper Hanjiang River basin. Flood routing is likely to be controlled by topographic rainfall for shorter periods (5-year and 10-year), and by climate change for longer periods (50-year and 100-year). Rainstorms and sediment gravity accumulation are the main causes of hazards. © 2012 Elsevier Ltd and INQUA.
 
ISSN1040-6182
2013 Impact Factor: 2.128
2013 SCImago Journal Rankings: 1.067
 
DOIhttp://dx.doi.org/10.1016/j.quaint.2012.06.002
 
DC FieldValue
dc.contributor.authorHe, H
 
dc.contributor.authorZhou, J
 
dc.contributor.authorPeart, MR
 
dc.contributor.authorChen, J
 
dc.contributor.authorZhang, Q
 
dc.date.accessioned2012-08-08T08:56:27Z
 
dc.date.available2012-08-08T08:56:27Z
 
dc.date.issued2012
 
dc.description.abstractInvestigations into hydrogeomorphological hazards in the Qinling Mountains were conducted by consideration of orographic characteristics and climatic fluctuations. Climatic-orographic-hydrologic processes in the Qinling Mountains were assessed through model simulation from proposed hydrodynamic gradient model and hydrological hazard index model combined with MM5 model (PSU/NCAR, 2005) and HEC-HMS/RAS () model. Results show that climate change is key contributor to flood extreme events, and the Qinling Mountains has increased risk of rainstorm-flood extreme events. The hydrogeomorphological gradient has strong north-south gradient distribution due to orographic effects of the Qinling Mountains. Climate change impacts on hydrogeomorphological processes are dominated by short and severe rainstorms. High-frequency heavy rain regions are located in steep topographic gradients, such as the north-south valleys and windward slopes of higher elevations in the Qinling Mountains. The hydrogeomorphological consequences intensify the occurrence of localized extreme flash floods and accelerated erosion, altering flooding routing in the upper Hanjiang River basin. Flood routing is likely to be controlled by topographic rainfall for shorter periods (5-year and 10-year), and by climate change for longer periods (50-year and 100-year). Rainstorms and sediment gravity accumulation are the main causes of hazards. © 2012 Elsevier Ltd and INQUA.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationQuaternary International, 2012, v. 282, p. 37-47 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.quaint.2012.06.002
 
dc.identifier.citeulike10782432
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.quaint.2012.06.002
 
dc.identifier.epage47
 
dc.identifier.hkuros208009
 
dc.identifier.issn1040-6182
2013 Impact Factor: 2.128
2013 SCImago Journal Rankings: 1.067
 
dc.identifier.scopuseid_2-s2.0-84869498272
 
dc.identifier.spage37
 
dc.identifier.urihttp://hdl.handle.net/10722/157945
 
dc.identifier.volume282
 
dc.languageeng
 
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quaint
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofQuaternary International
 
dc.titleSensitivity of hydrogeomorphological hazards in the Qinling Mountains, China
 
dc.typeArticle
 
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<contributor.author>Zhou, J</contributor.author>
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<contributor.author>Chen, J</contributor.author>
<contributor.author>Zhang, Q</contributor.author>
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Author Affiliations
  1. The University of Hong Kong
  2. Institute of Soil and Water Conservation Chinese Academy of Sciences
  3. Chinese Academy of Sciences
  4. Chinese Academy of Sciences and Ministry of Water Resources