Numerical modelling of mine pollution to inform remediation decision-making in watersheds
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Abstract
Prioritisation of mine pollution sources for remediation is a key challenge facing environmental managers. This paper presents a numerical modelling methodology to evaluate potential improvements in stream water quality from remediation of important mine pollution sources. High spatial resolution synoptic sampling data from a Welsh watershed were used to calibrate the OTIS solute transport model. Simulation of mine pollution remediation scenarios using OTIS revealed decreases in stream Zn concentrations between 9% and 62% under mean streamflow conditions. Remediation scenarios under low streamflow conditions were less effective (<1% to 17% decrease in Zn concentrations), due to diffuse and metal-rich groundwater inflows.
Suggested Citation
Byrne, P., Onnis, P., Runkel, R.L., Frau, I., Lynch, S.F., Brown, A.M., Robertson, I., Edwards, P., 2021, Numerical modelling of mine pollution to inform remediation decision-making in watersheds, in Proceedings of international mine water association 2021, Cardiff, Wales, p. 66-71.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Numerical modelling of mine pollution to inform remediation decision-making in watersheds |
| Year Published | 2021 |
| Language | English |
| Publisher | ISI Thomson |
| Contributing office(s) | Colorado Water Science Center |
| Description | 6 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of international mine water association 2021 |
| First page | 66 |
| Last page | 71 |
| Conference Title | Mine Water Management for Future Generations |
| Conference Location | Cardiff, Wales |
| Country | Wales |
| Other Geospatial | Nant Cwmnewyddion watershed |