Modeling agricultural practice impacts on surface water quality: case of Northern Aegean watershed, Turkey

B. C. Avcı; E. Kesgin; M. Atam; R. I. Tan

doi:10.1007/s13762-022-04477-1

Modeling agricultural practice impacts on surface water quality: case of Northern Aegean watershed, Turkey

B. C. Avcı, E. Kesgin^*, M. Atam, R. I. Tan

^*Corresponding author for this work

Department of Civil Engineering

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

2 Citations (Scopus)

Abstract

The Northern Aegean Watershed has 9032 km² surface area and it is one of the twenty-one major watersheds in Turkey. Excessive use of fertilizers in farming activities undertaken in the Northern Aegean Watershed has led to nitrate and phosphorus level increases in the watershed surface water. The study aims to simulate the surface water quality over twenty years (2010–2030) using the Soil and Water Assessment Tool (SWAT) for the various potential BMP scenarios. Comparison of simulated results based on the developed BMP scenarios with the simulation results of the existing practices were used to review the effectiveness of the BMP on improving surface water quality. The SWAT-CUP process was used for calibration, validation, and sensitivity analysis. The simulation results can be used as a starting point to further the guidelines for the Ministry of Agriculture and Forest for BMP development on watershed-wide agricultural activities.

Original language	English
Pages (from-to)	5265-5280
Number of pages	16
Journal	International Journal of Environmental Science and Technology
Volume	20
Issue number	5
DOIs	https://doi.org/10.1007/s13762-022-04477-1
Publication status	Published - May 2023

Bibliographical note

Publisher Copyright:
© 2022, The Author(s) under exclusive licence to Iranian Society of Environmentalists (IRSEN) and Science and Research Branch, Islamic Azad University.

Keywords

BMP
Fertilizer
Nitrate
SWAT
Surface water quality

UN SDGs

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

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10.1007/s13762-022-04477-1

Cite this

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abstract = "The Northern Aegean Watershed has 9032 km2 surface area and it is one of the twenty-one major watersheds in Turkey. Excessive use of fertilizers in farming activities undertaken in the Northern Aegean Watershed has led to nitrate and phosphorus level increases in the watershed surface water. The study aims to simulate the surface water quality over twenty years (2010–2030) using the Soil and Water Assessment Tool (SWAT) for the various potential BMP scenarios. Comparison of simulated results based on the developed BMP scenarios with the simulation results of the existing practices were used to review the effectiveness of the BMP on improving surface water quality. The SWAT-CUP process was used for calibration, validation, and sensitivity analysis. The simulation results can be used as a starting point to further the guidelines for the Ministry of Agriculture and Forest for BMP development on watershed-wide agricultural activities.",

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AU - Kesgin, E.

AU - Atam, M.

AU - Tan, R. I.

PY - 2023/5

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N2 - The Northern Aegean Watershed has 9032 km2 surface area and it is one of the twenty-one major watersheds in Turkey. Excessive use of fertilizers in farming activities undertaken in the Northern Aegean Watershed has led to nitrate and phosphorus level increases in the watershed surface water. The study aims to simulate the surface water quality over twenty years (2010–2030) using the Soil and Water Assessment Tool (SWAT) for the various potential BMP scenarios. Comparison of simulated results based on the developed BMP scenarios with the simulation results of the existing practices were used to review the effectiveness of the BMP on improving surface water quality. The SWAT-CUP process was used for calibration, validation, and sensitivity analysis. The simulation results can be used as a starting point to further the guidelines for the Ministry of Agriculture and Forest for BMP development on watershed-wide agricultural activities.

AB - The Northern Aegean Watershed has 9032 km2 surface area and it is one of the twenty-one major watersheds in Turkey. Excessive use of fertilizers in farming activities undertaken in the Northern Aegean Watershed has led to nitrate and phosphorus level increases in the watershed surface water. The study aims to simulate the surface water quality over twenty years (2010–2030) using the Soil and Water Assessment Tool (SWAT) for the various potential BMP scenarios. Comparison of simulated results based on the developed BMP scenarios with the simulation results of the existing practices were used to review the effectiveness of the BMP on improving surface water quality. The SWAT-CUP process was used for calibration, validation, and sensitivity analysis. The simulation results can be used as a starting point to further the guidelines for the Ministry of Agriculture and Forest for BMP development on watershed-wide agricultural activities.

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KW - Fertilizer

KW - Nitrate

KW - SWAT

KW - Surface water quality

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Modeling agricultural practice impacts on surface water quality: case of Northern Aegean watershed, Turkey

Abstract

Bibliographical note

Keywords

UN SDGs

Access to Document

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