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A Review of Mine Water Rebound Predictions from the VSS-NET Model

Lookup NU author(s): Dr Russell Adams

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Abstract

Mine water rebound predictions made in the late 1990s and early 2000s were critically reviewed in light of subsequent monitoring data and available literature. The VSS-NET physically-based groundwater model simulates the rebound process by representing both laminar and turbulent flow; the latter is observed in mined out voids, including shafts, adits, and underground roadways. We found good agreement between modelled and predicted rebound rates at a coal mine (Whittle Colliery) in NE England. The rebound from an abandoned tin mine in Cornwall, England (South Crofty), which closed in 1998, took place more rapidly than initially predicted by the VSS-NET model; however, by back-fitting the storage coefficient, the observed rate was matched by the model. In a third case study from a coal mine in South Wales, we managed to reproduce the flow rate from an adit reasonably closely following rebound. However, at a fourth site, a better fit to the rebound curve was obtained using a simpler, lumped model. These studies show the value of using models to predict rebound and discharge from flooded mines, which is important since these mines can produce a long-term legacy of pollution and can cause serious environmental impacts downstream.

Publication metadata

Author(s): Adams R

Publication type: Article

Publication status: Published

Journal: Mine Water and the Environment

Year: 2014

Volume: 33

Issue: 4

Pages: 384-388

Print publication date: 01/12/2014

Online publication date: 25/10/2014

Acceptance date: 14/10/2014

Date deposited: 12/02/2015

ISSN (print): 1025-9112

ISSN (electronic): 1616-1068

Publisher: Springer

URL: http://dx.doi.org/10.1007/s10230-014-0312-6

DOI: 10.1007/s10230-014-0312-6

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