Uncertainty And Sensitivity Analysis Of River Water Quality Model Parameters
Author(s)
A.W.M.Ng, B.J.C.Perera
Abstract
Uncertainty and sensitivity analysis of river
water quality model parameters
A.W.M. Ng & B.J.C. Perera
School of the Built Environment, Victoria University of Technology,
Victoria, Australia
Abstract
Errors are unavoidable in the development of simulation models dealing with
natural processes. They cannot be eliminated completely, but can be reduced.
It is therefore necessary to study the significance of these errors on overall
output response of the models. Uncertainty and sensitivity analysis addresses
this issue and can be done before and/or after model calibration. In this study,
an uncertainty and sensitivity analysis was conducted on Yarra River (Victoria,
Australia) water quality model (YRWQM) prior to its model calibration.
Although there can be many different forms of errors that are present in model
development, only the errors related to estimation of reaction parameters of
water quality constituents were considered in this paper. Identification of
sensitive parameters p
Keywords
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