Abstract
The making of water management decisions is based on estimates of water quality characteristics. Variations of those characteristics over space and time make it necessary to use statistical characteristics, including the reliability, reflecting the confidence in the correctness of conclusions made by water control authorities, and economic efficiency, reflecting the acceptability of the method chosen to obtain the data. Algorithms are proposed for determining the chosen characteristics. It is shown that, in addition to the well-known reliability characteristics, such as the error of the first kind and the error of the second kind, which are required for testing statistical hypotheses, the constructive dialogue between the participants of water relationships gains from taking into account the error of statistical decision, which is also referred to as differential threshold. Practical examples illustrate the possibility of establishing economically acceptable level of the above data quality characteristics by processing laboratory study data.
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Original Russian Text © O.M. Rozental’, L.N. Aleksandrovskaya, 2015, published in Vodnye Resursy, 2015, Vol. 42, No. 4, pp. 433–441.
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Rozental’, O.M., Aleksandrovskaya, L.N. Quality of water chemistry data. Water Resour 42, 500–507 (2015). https://doi.org/10.1134/S0097807815040120
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DOI: https://doi.org/10.1134/S0097807815040120