Technical note: A two-sided affine power scaling relationship to represent the concentration–discharge relationship

Tunqui Neira, José Manuel; Andréassian, Vazken; Tallec, Gaëlle; Mouchel, Jean-Marie

This technical note deals with the mathematical representation of concentration–discharge relationships. We propose a two-sided affine power scaling relationship (2S-APS) as an alternative to the classic one-sided power scaling relationship (commonly known as “power law”). We also discuss the identification of the parameters of the proposed relationship, using an appropriate numerical criterion. The application of 2S-APS to the high-frequency chemical time series of the Orgeval-ORACLE observatory is presented here (in calibration and validation mode): it yields better results for several solutes and for electrical conductivity in comparison with the power law relationship.

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Tunqui Neira, José Manuel / Andréassian, Vazken / Tallec, Gaëlle / et al: Technical note: A two-sided affine power scaling relationship to represent the concentration–discharge relationship. 2020. Copernicus Publications.

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Rechteinhaber: José Manuel Tunqui Neira et al.

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