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There is gold in them hills: Predicting potential acid mine drainage events through the use of chemometrics
journal contributionposted on 21.03.2018, 00:00 authored by Daniel CozzolinoDaniel Cozzolino, Shaneel ChandraShaneel Chandra, Jessica RobertsJessica Roberts, Aoife PowerAoife Power, P Rajapaksha, Nicole Ball, Russell GordonRussell Gordon, James Chapman
Disused mines and mining legacy require significant manpower to ameliorate the contaminated environmental surroundings following their disbanding coupled with extraordinary funding to manage these issues. Water (pH, temperature, dissolved oxygen, conductivity, metals, sulphate) and total suspended solids (TSS) quality are environmental parameters that are affected by legacy mining activity and often require monitoring and rapid response if events (e.g. rainfall) occur which might affect the surrounding areas. In this study, we have monitored a famous mine site in Queensland, Australia for a number of water and sediment parameters known to be associated with acid mine drainage. This study performed analysis of water and sediment over three years, as well as rainfall data. Principal component analysis (PCA) and partial least squares (PLS) regression were undertaken to investigate the data obtained. It was found that the use of PCA can predict the effect of year and site on the environmental influence of the abandoned mine site, based on the combination of chemical properties and meteorological data.