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A Model Selection Procedure for Stream Re-Aeration Coefficient Modelling

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  • David Omole

Abstract

Model selection is finding wide applications in a lot of modelling and environmental problems. However, applications of model selection to re-aeration coefficient studies are still limited. The current study explores the use of model selection in re-aeration coefficient studies by combining several suggestions from numerous authors on the interpretation of data regarding re-aeration coefficient modelling. The model selection procedure applied in this research made use of Akaike information criteria, measures of agreement such as percent bias (PBIAS), Nash-Sutcliffe Efficiency (NSE) and RMSE observation Standard deviation Ratio (RSR) and gragh analysis in selecting the best performing model. An algorithm prescribing a generic model selection procedure was also provided. Out of ten candidates models used in this study, the O’Connor and Dobbins (1958) model emerged as the top performing model in its application to data collected from River Atuwara in Nigeria. The suggested process could save software and model developers lots of time and resources, which would otherwise be spent in investigating and developing new models. The procedure is also ideal in selecting a model in situations where there is no overwhelming support for any particular model by observed data. Â

Suggested Citation

  • David Omole, 2015. "A Model Selection Procedure for Stream Re-Aeration Coefficient Modelling," Modern Applied Science, Canadian Center of Science and Education, vol. 9(9), pages 138-138, September.
    • Handle: RePEc:ibn:masjnl:v:9:y:2015:i:9:p:138
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    References listed on IDEAS

    as
    1. E. O. Longe & D. O. Omole, 2008. "Analysis of pollution status of River Illo, Ota, Nigeria," Environment Systems and Decisions, Springer, vol. 28(4), pages 451-457, December.
    2. Leslie G. Campbell, 1985. "The United States," Palgrave Macmillan Books, in: International Auditing, chapter 10, pages 119-132, Palgrave Macmillan.
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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