Characterizing meteorological and hydrological droughts: A case study of the Gediz River Basin, Turkey

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dc.contributor.authorKumanlioglu A.A.
dc.date.accessioned2024-07-22T08:08:19Z
dc.date.available2024-07-22T08:08:19Z
dc.date.issued2020
dc.description.abstractThe determination of the drought characteristics of a basin that feeds a reservoir and provides water for agricultural irrigation or energy production is important for the sustainable management of reservoirs. In the present study, the meteorological and hydrological droughts of the upper basins feeding the Demirköprü Reservoir in the Gediz River Basin of Turkey are examined over one, three, six and 12 month timescales. The methods used include the standardized precipitation index (SPI) and the standardized precipitation evapotranspiration index (SPEI) for defining meteorological droughts, and the standardized runoff index (SRI) method for defining hydrological droughts. The results show that the wet periods are dominant in the water years before 1984, and the dry periods occurred more frequently and were longer after this year in the basin. Owing to a temperature increase, it is determined that the effect of potential evapotranspiration losses on drought events has increased in the years after 2000, and the droughts that occurred after this year have happened more intensively in the basin. The results also show that both the meteorological and hydrological drought trends of the basin are prone to dry conditions and no that change is expected in these trends in the near future. Considering the predicted global climate changes, the results provide a source for describing the characteristics of the meteorological and hydrological droughts observed in the basins for the sustainable management of reservoirs which have a large irrigation area or energy production. © 2019 The Author. Meteorological Applications published by John Wiley & Sons Ltd on behalf of the Royal Meteorological Society.
dc.identifier.DOI-ID10.1002/met.1857
dc.identifier.issn13504827
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/14347
dc.language.isoEnglish
dc.publisherJohn Wiley and Sons Ltd
dc.rightsAll Open Access; Hybrid Gold Open Access
dc.subjectDemirkopru Reservoir
dc.subjectGediz Basin
dc.subjectManisa
dc.subjectTurkey
dc.subjectAgricultural robots
dc.subjectClimate change
dc.subjectEvapotranspiration
dc.subjectIrrigation
dc.subjectReservoir management
dc.subjectReservoirs (water)
dc.subjectRunoff
dc.subjectStream flow
dc.subjectSustainable development
dc.subjectWatersheds
dc.subjectDrought indices
dc.subjectGediz Basin
dc.subjectRunoff indices
dc.subjectstandardized precipitation evapotranspiration index (SPEI)
dc.subjectStandardized precipitation index
dc.subjectdrought stress
dc.subjectglobal climate
dc.subjecthydrological regime
dc.subjectmeteorology
dc.subjectpotential evapotranspiration
dc.subjectprecipitation assessment
dc.subjectreservoir
dc.subjectrunoff
dc.subjecttrend analysis
dc.subjectDrought
dc.titleCharacterizing meteorological and hydrological droughts: A case study of the Gediz River Basin, Turkey
dc.typeArticle

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