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Determination of groundwater threshold values: A methodological approach
Date
2020-04-20
Author
Bulut, Onur F.
Duru, Burcu
Cakmak, Ozgur
Gunhan, Ozgur
Dilek, Filiz Bengü
Yetiş, Ülkü
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This article is concerned with the establishment of natural background levels and threshold values for naturally-occurring parameters in groundwaters in the absence of relevant and accurate long-term spatial data. A new approach was developed and exemplified, adopting the groundwaters of the Gediz River Basin, Turkey, as a case study. The available groundwater monitoring data was from a one-year seasonal water quality monitoring campaign. The approach used combines pre-selection, selection and statistical evaluation of the selected data to eliminate outliers to determine natural background levels. The application of three different statistical tools, namely, probability plot, 2-sigma iteration, and distribution function methods, resulted in different natural background level estimates. The 2-sigma iteration method provided the most conservative values for almost all the parameters. The use of this three-step approach, which adopts different statistical methods, appeared to solve the limited data availability challenges specific to groundwater contamination and improve natural background level assessment and threshold value setting. Lessons learned from this study can help policymakers to promote similar initiatives in other countries where groundwater quality data is limited.
Subject Keywords
Renewable Energy, Sustainability and the Environment
,
Strategy and Management
,
Industrial and Manufacturing Engineering
,
General Environmental Science
URI
https://hdl.handle.net/11511/42546
Journal
JOURNAL OF CLEANER PRODUCTION
DOI
https://doi.org/10.1016/j.jclepro.2020.120001
Collections
Department of Environmental Engineering, Article
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O. F. Bulut, B. Duru, O. Cakmak, O. Gunhan, F. B. Dilek, and Ü. Yetiş, “Determination of groundwater threshold values: A methodological approach,”
JOURNAL OF CLEANER PRODUCTION
, pp. 0–0, 2020, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/42546.