A Joint Evaluation of Streamflow Drought and Standard Precipitation Indices in Aegean Region, Turkey

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dc.authorid0000-0003-0559-5261
dc.authorid0000-0002-4767-6660
dc.contributor.authorGulmez, Ayse
dc.contributor.authorMersin, Denizhan
dc.contributor.authorVaheddoost, Babak
dc.contributor.authorSafari, Mir Jafar Sadegh
dc.contributor.authorTayfur, Gokmen
dc.date.accessioned2026-02-12T21:05:17Z
dc.date.available2026-02-12T21:05:17Z
dc.date.issued2023
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractWater is an invaluable substance that ensures the life cycle and causes hydrologic events worldwide. Water deficit, also known as drought, is a naturally occurring disaster that affects the hydrometeorologic and/or climatic responses in time and space. In this study, the meteorologic and hydrologic droughts in Buyuk Menderes, Kucuk Menderes, and Gediz basins in Turkey are investigated. The streamflow drought index (SDI) and standard precipitation index (SPI) are used considering different time windows. To achieve this, the monthly streamflow at Cicekli-Nif, Besdegirmenler-Dandalas, Bebekler-Rahmanlar, and Kocarli-Koprubasi hydrometric stations together with monthly precipitation at 14 meteorologic stations during 1973-2020 (47 years) are used. The SDI and SPI with 1, 3, 6, and 12 months moving average are then used to express the association between the meteorologic and hydrologic droughts in the basin. Results showed that the SDI depicts no abnormal situations, while the SPI rates in the 1980s and 2010s indicated severe droughts. It was concluded that the inner parts of the basins are prone to frequent droughts, and there is a concordance between SPI and SDI patterns at the basin level. However, minor discrepancies between SPI and SDI do exist and probably originated from temporal delays and water abstraction.
dc.description.sponsorshipYasar University Project Evaluation Commission [BAP 095]
dc.description.sponsorshipThis publication is supported as part of Project No.BAP 095 entitled ''Drought Assessment in IzmirDistrict, Turkey,'' which has been approved by Yasar University Project Evaluation Commission (PEC) under the coordination of the M.J.S. Safari.
dc.identifier.doi10.1007/s00024-023-03378-9
dc.identifier.endpage4218
dc.identifier.issn0033-4553
dc.identifier.issn1420-9136
dc.identifier.issue12
dc.identifier.scopus2-s2.0-85177654514
dc.identifier.scopusqualityQ2
dc.identifier.startpage4191
dc.identifier.urihttps://doi.org/10.1007/s00024-023-03378-9
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6866
dc.identifier.volume180
dc.identifier.wosWOS:001107272200002
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Basel Ag
dc.relation.ispartofPure and Applied Geophysics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260212
dc.subjectAegean Region
dc.subjectPropagation of drought
dc.subjectStandard Precipitation Index
dc.subjectStreamflow Drought Index
dc.titleA Joint Evaluation of Streamflow Drought and Standard Precipitation Indices in Aegean Region, Turkey
dc.typeArticle

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