DETERMINATION OF THE WATER YIELDS FOR SMALL BASINS IN SEMI-ARID AREAS: APPLICATION OF THE MODIFIED TURC METHOD TO THE TURKEY'S CONDITIONS

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dc.authorwosidkocaman, israfil/AAG-5590-2019
dc.authorwosidkonukcu, fatih/ABA-9004-2020
dc.contributor.authorKonukcu, F.
dc.contributor.authorIstanbulluoglu, Ahmet
dc.contributor.authorKocaman, Israfil
dc.date.accessioned2024-06-12T11:13:22Z
dc.date.available2024-06-12T11:13:22Z
dc.date.issued2005
dc.departmentTrakya Üniversitesien_US
dc.description.abstractThe Turc Method is used widely in Turkey to determine runoff depths therefore, water yield from a particular watershed and subsequently the reservoir's volume by Turkish General Directorate of Rural Services which is responsible for the investments on agricultural and rural infrastructures. However the method over predicts the water yield markedly when compared to the directly measured long-term water yields, which increases the total cost for the instruction of reservoirs and leads to environmental hazards due to disturbing more agricultural areas. In this research, the Turc Method was modified through replacing the new coefficients with the original coefficients of the 300 and 0.9 by fitting the calculated values to the directly measured long-term, a total of 223 years, in 22 sub-basin distributed throughout Turkey. Coefficients 566 and 0.68 were proposed as average values for Turkey in general instead 300 and 0.9, respectively, though the new coefficients for a particular watershed varied widely from 20 to 1135 and from 0.4 to 1.32, respectively. The country's sub-basins divided into three groups in terms of basin characteristics affective on these coefficients and new coefficients were also suggested for each group. Employing the modified Turc Method with these new coefficients for the research sub-basins can reduce the reservoir's volume by 45 % and this may decrease the total cost of the reservoirs by about 20-25 % through reducing occupied surface area, embankment and crest height.en_US
dc.identifier.endpage267en_US
dc.identifier.issn1332-9049
dc.identifier.issue3en_US
dc.identifier.startpage263en_US
dc.identifier.urihttps://hdl.handle.net/20.500.14551/23524
dc.identifier.volume6en_US
dc.identifier.wosWOS:000409668100009en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherUniv Zagreb, Fac Agricultureen_US
dc.relation.ispartofJournal Of Central European Agricultureen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectRainfall-Runoffen_US
dc.subjectReservoiren_US
dc.subjectTurc Methoden_US
dc.subjectWater Yielden_US
dc.subjectTurkeyen_US
dc.titleDETERMINATION OF THE WATER YIELDS FOR SMALL BASINS IN SEMI-ARID AREAS: APPLICATION OF THE MODIFIED TURC METHOD TO THE TURKEY'S CONDITIONSen_US
dc.typeArticleen_US

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