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Chapter
Apr 26, 2012

Investigation on Changes of the Sakarya River Characteristics

Publication: World Environmental and Water Resource Congress 2006: Examining the Confluence of Environmental and Water Concerns

Abstract

After construction of dams, the hydrologic and hydraulic characteristics of rivers change drastically. Many researchers investigated these changes, affecting services and structures. The changes of river flow and sediment transport cause riverbed scour at downstream section. In this study, changes in the Lower Sakarya River are investigated after construction of Gokcekaya Dam in the Middle Sakarya Basin. Furthermore, gravels have been withdrawing from the Lower Sakarya River especially within 5 decades in order to meet construction materials for the surrounding large cities. Changes of expected probable floods are determined by using annual maximum discharges at both same stations. It is noticed that as the flood peak discharge decrease, the river flow regime is regulated. Sediment rating curves are determined and compared by using measured suspended load for before and after the dam. It is observed that the sediment transport was decreased at a rate 40–65 % after the Gokcekaya Dam.

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Go to World Environmental and Water Resource Congress 2006
World Environmental and Water Resource Congress 2006: Examining the Confluence of Environmental and Water Concerns
Pages: 1 - 8

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Published online: Apr 26, 2012

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Sabahattin Isik [email protected]
Sakarya University, Department of Civil Engineering, Esentepe Campus, 54187 SAKARYA,. E-mail: [email protected]
Mustafa Sasal [email protected]
Sakarya University, Department of Civil Engineering, Esentepe Campus, 54187 SAKARYA. E-mail: [email protected]
Emrah Dogan [email protected]
Sakarya University, Department of Civil Engineering, Esentepe Campus, 54187 SAKARYA. E-mail: [email protected]

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