Identification of the trends associated with the SPI and SPEI indices across Ankara, Turkey

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dc.authorid0000-0002-4767-6660en_US
dc.contributor.authorDanandeh Mehr, Ali
dc.contributor.authorVaheddoost, Babak
dc.date.accessioned2021-03-20T20:12:20Z
dc.date.available2021-03-20T20:12:20Z
dc.date.issued2020
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümen_US
dc.description.abstractThis study investigates the main characteristics (duration, severity, and trend) of meteorological drought events over Ankara Province, Turkey. We used 46 years of observed monthly precipitation and temperature series from six meteorological stations distributed across the study area to derive the well-known meteorological drought indices; the standardized precipitation index (SPI) and standardized precipitation evapotranspiration index (SPEI) both in 3-, 6-, and 12-month timescales. A comparative analysis between the indices, associated drought events, and potential trends at each station are presented. To explore the drought trends in each station, the well-documented Spearman rank-order correlation coefficient, innovative Sen's method, and innovative trend analysis are applied. The results showed that the province faced five extreme drought events during the period of 1971-2016, although temporal inconsistencies between the SPI and SPEI, particularly in 6- and 12-month timescales exist. Considering the SPEI, the results indicated a slight descending trend in the observed drought events; however, the SPI does not conform to the same pattern.en_US
dc.identifier.doi10.1007/s00704-019-03071-9en_US
dc.identifier.endpage1542en_US
dc.identifier.issn0177-798X
dc.identifier.issn1434-4483
dc.identifier.issue3-4en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1531en_US
dc.identifier.urihttp://doi.org/10.1007/s00704-019-03071-9
dc.identifier.urihttps://hdl.handle.net/20.500.12885/485
dc.identifier.volume139en_US
dc.identifier.wosWOS:000511528400053en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorVaheddoost, Babak
dc.language.isoenen_US
dc.publisherSpringer Wienen_US
dc.relation.ispartofTheoretical And Applied Climatologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDroughten_US
dc.subjectSPIen_US
dc.subjectSPEIen_US
dc.subjectTrenden_US
dc.subjectAnkaraen_US
dc.titleIdentification of the trends associated with the SPI and SPEI indices across Ankara, Turkeyen_US
dc.typeArticleen_US

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