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Modeling and monitoring of mine water rebound in an abandoned coal mine complex: Siersza Mine, Upper Silesian Coal Basin, Poland |
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| Authors: | David Banks Adam Frolik Grzegorz Gzyl Marek Rogoż |
| Institution: | 1. Holymoor Consultancy Ltd, 8 Heaton Street, Chesterfield, Derbyshire, S40 3AQ, UK 2. Sir Joseph Swan Institute for Energy Research, Newcastle University, NE1 7RU, Newcastle-upon-Tyne, UK 3. Department of Geology and Geophysics, G?ówny Instytut Górnictwa (Central Mining Institute), Plac Gwarków 1, 40-166, Katowice, Poland |
| Abstract: | A variable-volume, head-dependent mine water filling model (MIFIM) has been utilized to simulate the post-abandonment flooding of the Siersza coal mine in the Upper Silesian Coal Basin of southern Poland. It is demonstrated that desaturated pore space in the aquifer adjacent to the mine comprises a significant component of the resaturable mine-related void. The model results are very sensitive to the value of this poorly constrained parameter. Nevertheless, the model successfully predicted the first appearance of mine water in an observation well and its subsequent rise. Despite this apparent success, it is concluded that such modeling approaches generally lack predictive power for mines in permeable, porous host rocks. As real monitoring data accumulate, however, such models can be calibrated and their utility increased. |
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