RT Journal Article
T1 Application of a Fuzzy Logic Based Methodology to Validate the Hydrochemical Characterization and Determining Seasonal Influence of a Watershed Affected by Acid Mine Drainage
A1 Dávila Martín, José Miguel
A1 Miguel Sarmiento, Aguasanta
A1 Aroba Páez, Javier
A1 Fortes Garrido, Juan Carlos
A1 Grande Gil, José Antonio
A1 Santisteban Fernández, María
A1 Córdoba García, Francisco
A1 Leiva, Mercedes
A1 Luís, Ana Teresa
AB The Odiel River Basin, located in the Iberian Pyrite Belt (IPB), is heavily affected byacid mine drainage (AMD), which occurs when pyritic minerals from sulfide mining areas areexposed to atmospheric, hydrological or biological weathering. This paper presents a hydrochemicalcharacterization of parameters in the Odiel River Basin by means of Fuzzy Logic and data miningmethodologies to determine the seasonal influence ofAMDin polluted waters that have not been usedbefore for a basin in this environmental area. This technique was proven to be effective, providingresults that could not be achieved by using classic statistics, because it allows us to characterizethe different parameters separately and also their relationships in waters affected by AMD in aqualitative manner based on the antecedents and according to the conditions (rules) imposed by theconsequents (in this case, the Fe(II) and accumulated rainfall over 30 days). Thus, it was possible toconfirm that hydrochemistry is greatly affected by seasonal changes, with a higher pH in the wetseason (up to 8.59) compared to 2.12, the minimum pH value reached in the dry season. Accordingly,higher concentrations of most of the metals were observed in the dry season (e.g., up to 4000 mg/L ofFe (II)), with the exception of the values found after the first rains that occur in the early fall. With theuse of the Fuzzy Logic technique, it was observed that, during the wet season, lixiviates with a higherFe content have higher metal concentrations, and in the dry season, the behavior is the opposite.
PB MDPI
SN 1660-4601
YR 2021
FD 2021-04
LK http://hdl.handle.net/10272/19866
UL http://hdl.handle.net/10272/19866
LA eng
NO Dávila Martín, J. M., Miguel Sarmiento, A. M., Aroba Páez, J., Fortes Garrido, J. C., Grande Gil, J. A., Santisteban Fernández, M., Cordoba García, F., Leiva, M., & Luís, A. T. (2021). Application of a Fuzzy Logic Based Methodology to Validate the Hydrochemical Characterization and Determining Seasonal Influence of a Watershed Affected by Acid Mine Drainage. International Journal of Environmental Research and Public Health, 18(9), 4693. DOI: https://doi.org/10.3390/ijerph18094693
DS Repositorio Institucional de la Universidad de Huelva
RD 30 may 2026