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Using Tracer Injection and Synoptic Sampling, and Salt Dilution Flow to Gauge Metal Fluxes in a Temperate Watershed in the UK

Aaron M.L. Todd, Iain Robertson Orcid Logo, Rory Walsh, Patrick Byrne, Paul Edwards, Tom Williams

IMWA 2022 – Reconnect, Pages: 497 - 502

Swansea University Authors: Iain Robertson Orcid Logo, Rory Walsh

Abstract

Nantymwyn Lead Mine has substantial subterranean workings, surface mine waste tips, collapsed adits and two streams which cross the workings and waste. One of >1,300 abandoned metal mines in Wales, it causes elevated levels of lead and zinc in the streams, and in flora and fauna near the mine sit...

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Published in: IMWA 2022 – Reconnect
ISBN: 978-3-9825293-0-1
Published: Christchurch, New Zealand International Mine Water Association 2023
Online Access: https://www.imwa.info/docs/imwa_2022/IMWA2022_Todd_497.pdf
URI: https://cronfa.swan.ac.uk/Record/cronfa63045
Abstract: Nantymwyn Lead Mine has substantial subterranean workings, surface mine waste tips, collapsed adits and two streams which cross the workings and waste. One of >1,300 abandoned metal mines in Wales, it causes elevated levels of lead and zinc in the streams, and in flora and fauna near the mine site. Two methods of measuring pollutant f luxes were used; a constant rate injection and synoptic sampling at a constant flow, and monthly flow gauging and sampling over a year. These show surface and subsurface pollutant inputs, attenuation, and temporal changes in flow and the proportion of pollution from source areas.
Keywords: Metal Mine Waste, Synoptic Sampling, Flow Gauging, Lead Pollution
College: Faculty of Science and Engineering
Funders: This work is part funded by the Welsh Government’s European Social Fund (ESF) convergence programme for West Wales and the Valleys.
Start Page: 497
End Page: 502

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