Characterisation of sequential leachate discharges of mining waste rock dumps in the Tinto and Odiel rivers |
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Authors: | Sáinz A Grande J A de la Torre M L Sánchez-Rodas D |
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Institution: | Departamento de Ciencias Agroforestales, Area de Tecnología del Medio Ambiente, Universidad de Huelva, 21819-Palos de la Frontera, Huelva, Spain. |
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Abstract: | Mining waste rock dumps (WRDs) are potential sources of pollution, which after rainfall produce leachate discharges, loaded with acid mining drainage (AMD). The discharges generally occur in two phases: initial rapid leaching over a period of 1-7 days, followed by a period of variable duration during which leaching decelerates. The relative preponderance of each phase depends on the characteristics of the WRD, including its antecedent hydrological condition, and the temporal pattern and amount of rainfall. |
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Keywords: | acidity leachate discharges waste rock dumps rainfall Spain |
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