An Approach to Reaeration Coefficient Modeling in Local Surface Water Quality Monitoring
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Publisher
Springer
Abstract
Description
Reaeration coefficient (k2) for River Atuwara,
Ogun State, Nigeria was calculated from dissolved oxygen
and biochemical oxygen demand data collected
over period of 3 months covering the two prevailing
climatic seasons in the country. Both the Akaike and
Bayesian information criteria were used in the selection
and analysis of ten models to identify the most suitable
reaeration coefficient (k2) model for Atuwara River.
Models that passed the confidence limit were subjected
to model evaluation using measures of agreement between
observed and predicted data such as percent bias,
Nash–Sutcliffe efficiency, and root mean square observation standard deviation ratio. The used approach yield better results than empirical models developed for local conditions while it is also useful in conserving scarce resources.
Keywords
TA Engineering (General). Civil engineering (General), TD Environmental technology. Sanitary engineering