Using caesium-137 measurements to investigate soil erosion rates in western Istanbul (NW Turkey)

Sevilay Haciyakupoglu; T. Ahmet Ertek; Des E. Walling; Z. Fatih Ozturk; Gursel Karahan; A. Evren Erginal; Nilgun Celebi

doi:10.1016/j.catena.2005.08.006

Using caesium-137 measurements to investigate soil erosion rates in western Istanbul (NW Turkey)

Sevilay Haciyakupoglu^*, T. Ahmet Ertek, Des E. Walling, Z. Fatih Ozturk, Gursel Karahan, A. Evren Erginal, Nilgun Celebi

^*Corresponding author for this work

Energy Institute

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

Buyukcekmece Reservoir, located in the western outskirts of Istanbul, is one of the major water resources of Istanbul, and supplies drinking water to about 4 million people. Erosion in the catchment of the reservoir is an important problem in terms of its longer-term sustainability for water supply. There is an urgent need to obtain reliable quantitative data regarding erosion and deposition rates within the catchment to assess the magnitude of the problem and to plan catchment management strategies. In the absence of existing data, attention has focussed on the potential for using ¹³⁷Cs measurements to provide retrospective estimates of medium-term soil erosion rates within the catchment over the past ca. 40 years. To date, the ¹³⁷Cs approach has not been used to document soil redistribution rates in Turkey and this contribution reports an attempt to confirm the viability of the approach and the results of a preliminary investigation of rates of soil loss from uncultivated areas within the catchment. The soil redistribution rates estimated using the profile distribution conversion model varied from - 16.11 (erosion) to 4.59 (deposition) t/ha/year.

Original language	English
Pages (from-to)	222-231
Number of pages	10
Journal	Catena
Volume	64
Issue number	2-3
DOIs	https://doi.org/10.1016/j.catena.2005.08.006
Publication status	Published - 30 Dec 2005

Funding

The authors extend their warms thanks to Prof. Dr. Gulsun Saglamer, Prof. Felipe Zapata and Dr.Samran Sombatpanit for their constructive advice and support. The authors also extend thanks to the staff of the Cekmece Nuclear Research Centre-Turkey (CNAEM), to Prof.Veysel Eroglu, General Director of State Hydraulic Works General Directorate (DSI), to Dursun Ali Codur, General Director Istanbul Water and Sewerage Administration (ISKI) and to Selami Taser, Ozlem Aslan, Nazmiye Ermeydan for their help during the study. Parts of the results described in this paper were obtained through work supported by the International Atomic Energy Agency (IAEA) Coordinated Research Project Contract No 12330/R0.

Funders	Funder number
International Atomic Energy Agency	12330/R0

Keywords

Cs
Buyukcekmece Reservoir
Environmental radionuclides
Erosion rates
Istanbul
Soil erosion
Soil redistribution

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.catena.2005.08.006

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title = "Using caesium-137 measurements to investigate soil erosion rates in western Istanbul (NW Turkey)",

abstract = "Buyukcekmece Reservoir, located in the western outskirts of Istanbul, is one of the major water resources of Istanbul, and supplies drinking water to about 4 million people. Erosion in the catchment of the reservoir is an important problem in terms of its longer-term sustainability for water supply. There is an urgent need to obtain reliable quantitative data regarding erosion and deposition rates within the catchment to assess the magnitude of the problem and to plan catchment management strategies. In the absence of existing data, attention has focussed on the potential for using 137Cs measurements to provide retrospective estimates of medium-term soil erosion rates within the catchment over the past ca. 40 years. To date, the 137Cs approach has not been used to document soil redistribution rates in Turkey and this contribution reports an attempt to confirm the viability of the approach and the results of a preliminary investigation of rates of soil loss from uncultivated areas within the catchment. The soil redistribution rates estimated using the profile distribution conversion model varied from - 16.11 (erosion) to 4.59 (deposition) t/ha/year.",

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AU - Ertek, T. Ahmet

AU - Walling, Des E.

AU - Ozturk, Z. Fatih

AU - Karahan, Gursel

AU - Erginal, A. Evren

AU - Celebi, Nilgun

PY - 2005/12/30

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N2 - Buyukcekmece Reservoir, located in the western outskirts of Istanbul, is one of the major water resources of Istanbul, and supplies drinking water to about 4 million people. Erosion in the catchment of the reservoir is an important problem in terms of its longer-term sustainability for water supply. There is an urgent need to obtain reliable quantitative data regarding erosion and deposition rates within the catchment to assess the magnitude of the problem and to plan catchment management strategies. In the absence of existing data, attention has focussed on the potential for using 137Cs measurements to provide retrospective estimates of medium-term soil erosion rates within the catchment over the past ca. 40 years. To date, the 137Cs approach has not been used to document soil redistribution rates in Turkey and this contribution reports an attempt to confirm the viability of the approach and the results of a preliminary investigation of rates of soil loss from uncultivated areas within the catchment. The soil redistribution rates estimated using the profile distribution conversion model varied from - 16.11 (erosion) to 4.59 (deposition) t/ha/year.

AB - Buyukcekmece Reservoir, located in the western outskirts of Istanbul, is one of the major water resources of Istanbul, and supplies drinking water to about 4 million people. Erosion in the catchment of the reservoir is an important problem in terms of its longer-term sustainability for water supply. There is an urgent need to obtain reliable quantitative data regarding erosion and deposition rates within the catchment to assess the magnitude of the problem and to plan catchment management strategies. In the absence of existing data, attention has focussed on the potential for using 137Cs measurements to provide retrospective estimates of medium-term soil erosion rates within the catchment over the past ca. 40 years. To date, the 137Cs approach has not been used to document soil redistribution rates in Turkey and this contribution reports an attempt to confirm the viability of the approach and the results of a preliminary investigation of rates of soil loss from uncultivated areas within the catchment. The soil redistribution rates estimated using the profile distribution conversion model varied from - 16.11 (erosion) to 4.59 (deposition) t/ha/year.

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Using caesium-137 measurements to investigate soil erosion rates in western Istanbul (NW Turkey)

Abstract

Funding

Keywords

UN SDGs

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