Analysis of Parameter Sensitivity to Enhance the Detection of Leaks in Sealed Landfills
Ecology and sustainable development. Environmental protection
4th International Scientific Conference «Chemical Technology and Engineering»: Proceedings – June 26–29th, 2023, Lviv, Ukraine – Lviv: Lviv Polytechnic National University, 2023, pp. 224–228
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First published on this website: 01.05.2023 - 12:59
Abstract
It was shown in a previous article that the presence of leaks in sealed landfills due to confinement failures can be assessed measuring surface moisture and relating it to leaks at the bottom of the landifll through a regularised inversion algorithm based on Richard’s equation with a piecewise linear boundary condition. Under the assumption of absence of leaks as the null hypothesis, the algorithm provides the value of the relevant F-statistic as a function of the accuracy of soil moisture measurements and of physical and meteorological parameters.
In this presentation we take into account the uncertainties of the parameters and estimate the corresponding ranges of the F-values by evaluating the derivatives of the F-statistic with respect to the parameters.
Keywords
References
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