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Investigation of Temporal Trends in Hydrochemical Quality of Surface Water in Western Turkey

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This study comprises application of non-parametric trend analysis (Mann-Kendall test and Sen’s Slope estimator techniques) and multidimensional scaling method to water quality data sets. Water samples analyzed (for chloride, nitrate-nitrogen, sodium, sulfate and total dissolved solid parameters) semi-monthly at seven river monitoring stations in Tahtali Basin, Turkey for 6 years were evaluated. The results revealed that agricultural discharges caused spatial differences in terms of water quality in the basin. Moreover, variable concentrations generally decreased or did not change over time. This study showed that, trend detection and data grouping methods help decision makers to judge effectiveness of management programs.

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  1. Boyacioglu H (2007) Assessment of water quality by Total Maximum Daily Load (TMDL) analysis. PhD thesis. Dokuz Eylul University Graduate School of Natural and Applied Sciences, Turkey

  2. Global Environment Monitoring System-GEMS (2007) Salts and salinization of surface waters. http://www.gemswater.org/atlas-gwq/salts-e.html (Accessed 20 May 2007)

  3. Harley S (2002) Water quality testing. Agriculture and agri-food Canada. http://www.agr.gc.ca/pfra/water/facts/wtestinge.pdf. (Accessed 19 May 2007)

  4. King County (2001) King County Lake water quality. A trend report on King County small lakes. http://dnr.metrokc.gov/wlr/waterres/smlakes/kingcolakewater.pdf (Accessed 18 June 2006)

  5. Minitab Statistical Software (2000) Minitab Inc

  6. Naddeo V, Zarra T, Belgiorno V (2007) Optimization of sampling frequency for river water quality assessment according to Italian implementation of the EU Water Framework Directive. Environ Sci Policy 10:243–249

  7. Official Gazette (2004) Turkish Water Pollution Control Regulation, No. 25687, Dated. 31.12.2004, Ankara

  8. Ouyang Y (2005) Evaluation of river water quality monitoring stations by principal component analysis. Water Res 39:2621–2635

  9. Souligny EA, Davidson JD, Martin TD, Mcinnish MB, Schultz BS, Wilson CG, Wood JL, Hollabaugh CL (2001) Sulfate content of surface waters of West Georgia: variations with land usage and flow characteristics of streams in Carroll and Heard Counties, Georgia. The Geological Society of America annual meeting- Paper no: 151–0. http://gsa.confex.com/gsa/2001AM/finalprogram/abstract_27312.htm (Accessed 19 May 2007)

  10. SPSS-10 (2000) Statistical package for the social sciences. SPSS Inc, Chicago, USA

  11. Steyvers M (2001) Multidimensional scaling. In: Encyclopedia of cognitive science. http://www.cs.utexas.edu/~kuipers/readings/Steyvers-ecs-02.pdf (Accessed 20 March 2007)

  12. United States Environmental Protection Agency-USEPA (1998) Lake and reservoir bioassessment and biocriteria. Technical guidance document. Washington, DC. EPA 841-B-98-007. http://www.epa.gov/owow/monitoring/tech/lakes.html (Accessed 12 June 2006)

  13. United States Environmental Protection Agency-USEPA (2003) National primary drinking water standards. Office of Water (4606M) EPA 816-F-03-016

  14. Vega M, Pardo R, Barrado E, Deban L (1998) Assessment of seasonal and polluting effects on the quality of river water by exploratory data analysis. Water Res 12:3581–3592

  15. World Bank (2003) Water resources and environment. Technical Note D1. Water quality assessment and protection. Davis R, Hirji R (Series ed). Washington DC

  16. Yake WE (1979) Water quality trend analysis. The Spokane River Basin. Washington State of Department of Ecology. Publication No-PR-6

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The authors express their special thanks to members of the Izmir Water and Sewerage Authority (IZSU) for their assistance in providing necessary data for the study.

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Correspondence to Hülya Boyacioglu.

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Boyacioglu, H., Boyacioglu, H. Investigation of Temporal Trends in Hydrochemical Quality of Surface Water in Western Turkey. Bull Environ Contam Toxicol 80, 469–474 (2008). https://doi.org/10.1007/s00128-008-9439-0

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  • Mann-Kendall test
  • Multidimensional scaling
  • Sen’s Slope estimator
  • Tahtali Basin