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Article: Sensitivity of hydrogeomorphological hazards in the Qinling Mountains, China

TitleSensitivity of hydrogeomorphological hazards in the Qinling Mountains, China
Authors
Issue Date2012
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quaint
Citation
Quaternary International, 2012, v. 282, p. 37-47 How to Cite?
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.
Persistent Identifierhttp://hdl.handle.net/10722/157945
ISSN
2023 Impact Factor: 1.9
2023 SCImago Journal Rankings: 0.666
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHe, Hen_US
dc.contributor.authorZhou, Jen_US
dc.contributor.authorPeart, MRen_US
dc.contributor.authorChen, Jen_US
dc.contributor.authorZhang, Qen_US
dc.date.accessioned2012-08-08T08:56:27Z-
dc.date.available2012-08-08T08:56:27Z-
dc.date.issued2012en_US
dc.identifier.citationQuaternary International, 2012, v. 282, p. 37-47en_US
dc.identifier.issn1040-6182en_US
dc.identifier.urihttp://hdl.handle.net/10722/157945-
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.en_US
dc.languageengen_US
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quainten_US
dc.relation.ispartofQuaternary Internationalen_US
dc.titleSensitivity of hydrogeomorphological hazards in the Qinling Mountains, Chinaen_US
dc.typeArticleen_US
dc.identifier.emailHe, H: hongming.he@yahoo.comen_US
dc.identifier.emailPeart, MR: mrpeart@hkucc.hku.hk-
dc.identifier.emailChen, J: jichen@hku.hk-
dc.identifier.authorityPeart, MR=rp00612en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.quaint.2012.06.002en_US
dc.identifier.scopuseid_2-s2.0-84869498272en_US
dc.identifier.hkuros208009-
dc.identifier.volume282-
dc.identifier.spage37-
dc.identifier.epage47-
dc.identifier.isiWOS:000313610000005-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridZhang, Q=35239231500en_US
dc.identifier.scopusauthoridChen, J=55095656800en_US
dc.identifier.scopusauthoridPeart, MR=7003362850en_US
dc.identifier.scopusauthoridZhou, J=55190033400en_US
dc.identifier.scopusauthoridHe, H=55214930400en_US
dc.identifier.citeulike10782432-
dc.identifier.issnl1040-6182-

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