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Article: Teleconnection analysis of runoff and soil moisture over the Pearl River basin in Southern China

TitleTeleconnection analysis of runoff and soil moisture over the Pearl River basin in Southern China
Authors
Issue Date2014
PublisherCopernicus GmbH. The Journal's web site is located at http://www.copernicus.org/EGU/hess/hess.html
Citation
Hydrology and Earth System Sciences, 2014, v. 18 n. 4, p. 1475-1492 How to Cite?
AbstractThis study explores the teleconnection of two climatic patterns, namely the El Niño–Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD), with hydrological processes over the Pearl River basin in southern China, particularly on a sub-basin-scale basis. The Variable Infiltration Capacity (VIC) model is used to simulate the daily hydrological processes over the basin for the study period 1952–2000, and then, using the simulation results, the time series of the monthly runoff and soil moisture anomalies for its ten sub-basins are aggregated. Wavelet analysis is performed to explore the variability properties of these time series at 49 timescales ranging from 2 months to 9 yr. Use of the wavelet coherence and rank correlation method reveals that the dominant variabilities of the time series of runoff and soil moisture are basically correlated with IOD. The influences of ENSO on the terrestrial hydrological processes are mainly found in the eastern sub-basins. The teleconnections between climatic patterns and hydrological variability also serve as a reference for inferences on the occurrence of extreme hydrological events (e.g., floods and droughts).
Persistent Identifierhttp://hdl.handle.net/10722/197592
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNiu, Jen_US
dc.contributor.authorChen, Jen_US
dc.contributor.authorBellie, Sen_US
dc.date.accessioned2014-05-29T08:28:14Z-
dc.date.available2014-05-29T08:28:14Z-
dc.date.issued2014en_US
dc.identifier.citationHydrology and Earth System Sciences, 2014, v. 18 n. 4, p. 1475-1492en_US
dc.identifier.urihttp://hdl.handle.net/10722/197592-
dc.description.abstractThis study explores the teleconnection of two climatic patterns, namely the El Niño–Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD), with hydrological processes over the Pearl River basin in southern China, particularly on a sub-basin-scale basis. The Variable Infiltration Capacity (VIC) model is used to simulate the daily hydrological processes over the basin for the study period 1952–2000, and then, using the simulation results, the time series of the monthly runoff and soil moisture anomalies for its ten sub-basins are aggregated. Wavelet analysis is performed to explore the variability properties of these time series at 49 timescales ranging from 2 months to 9 yr. Use of the wavelet coherence and rank correlation method reveals that the dominant variabilities of the time series of runoff and soil moisture are basically correlated with IOD. The influences of ENSO on the terrestrial hydrological processes are mainly found in the eastern sub-basins. The teleconnections between climatic patterns and hydrological variability also serve as a reference for inferences on the occurrence of extreme hydrological events (e.g., floods and droughts).en_US
dc.languageengen_US
dc.publisherCopernicus GmbH. The Journal's web site is located at http://www.copernicus.org/EGU/hess/hess.html-
dc.relation.ispartofHydrology and Earth System Sciencesen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleTeleconnection analysis of runoff and soil moisture over the Pearl River basin in Southern Chinaen_US
dc.typeArticleen_US
dc.identifier.emailNiu, J: niuj@hku.hken_US
dc.identifier.emailChen, J: jichen@hku.hken_US
dc.identifier.emailBellie, S: sbellie@hku.hken_US
dc.identifier.authorityChen, J=rp00098en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.5194/hess-18-1475-2014en_US
dc.identifier.hkuros228905en_US
dc.identifier.volume18en_US
dc.identifier.spage1475en_US
dc.identifier.epage1492en_US
dc.identifier.isiWOS:000335375300018-

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