Trend analysis of streamflow in Turkey

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dc.contributor.authorKahya, E
dc.contributor.authorKalayci, S
dc.date.accessioned2020-03-26T16:55:37Z
dc.date.available2020-03-26T16:55:37Z
dc.date.issued2004
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThis paper presents trends computed for the 31-year period of monthly streamflows obtained from 26 basins over Turkey. Four non-parametric trend tests (the Sen's T, the Spearman's Rho, the Mann-Kendall, and the Seasonal Kendall which are known as appropriate tools in detecting linear trends of a hydrological time series) are adapted in this study. Moreover, the Van Belle and Hughes' basin wide trend test is included in the analysis for the same purpose. Homogeneity of trends in monthly streamflows is also tested using a procedure developed by Van Belle and Hughes. Thus, this study includes a complete application of both the Van Belle and Hughes' tests for homogeneity of trends and basin wide trend (originally developed for trend detection in water quality data) on a hydroclimatic variable. As a result, basins located in western Turkey, in general, exhibit downward trend, significant at the 0.05 or lower level, whereas basins located in eastern Turkey show DO trend. In most cases, the first four tests provide the same conclusion about trend existence. Use of the Seasonal Kendall. which involves a single overall statistic rather than one statistic for each season, is justified by the homogeneity of trend test. Moreover, some basins located in southern Turkey exhibit a global trend, implying the homogeneity of trends in seasons and stations together, based on the Van Belle and Hughes' basin wide trend test. (C) 2003 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.jhydrol.2003.11.006en_US
dc.identifier.endpage144en_US
dc.identifier.issn0022-1694en_US
dc.identifier.issue01.04.2020en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage128en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.jhydrol.2003.11.006
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19271
dc.identifier.volume289en_US
dc.identifier.wosWOS:000220574400009en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE BVen_US
dc.relation.ispartofJOURNAL OF HYDROLOGYen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectclimate changeen_US
dc.subjectMann-Kendall testen_US
dc.subjectnon-parametric testsen_US
dc.subjectstreamflow variabilityen_US
dc.subjecttrend analysisen_US
dc.subjectTurkeyen_US
dc.titleTrend analysis of streamflow in Turkeyen_US
dc.typeArticleen_US

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