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Impacts of coal mining and coal seam gas extraction on groundwater and surface water
Post, D. A.1; Crosbie, R. S.2; Viney, N. R.1; Peeters, L. J. M.2; Zhang, Y. Q.1,3; Herron, N. F.1; Wilkins, A.4; Janardhanan, S.5; Karim, F.1; Aryal, S. K.1; Pena-Arancibia, J.1; Lewis, S.6; Evans, T.6; Vaze, J.1; Chiew, F. H. S.1; Marvanek, S. P.2; Henderson, B.7; Schmidt, B.1; Herr, A.1
2020-12-01
Source PublicationJOURNAL OF HYDROLOGY
ISSN0022-1694
Volume591Pages:17
Corresponding AuthorPost, D. A.(david.post@csiro.au)
AbstractThis paper presents an assessment of the hydrological impacts of proposed coal mines and coal seam gas (CSG) developments in the Gloucester, Hunter, Namoi and Galilee subregions of eastern Australia. Surface water and groundwater modelling was carried out to assess the cumulative regional-scale hydrological impacts of multiple coal and coal seam gas developments. The hydrological metrics assessed were groundwater drawdown and changes in low-flow characteristics as measured by the number of low-flow or zero flow days per year. Uncertainty in the modelling was also considered, and the results are presented as the median and plausible range (5th to 95th percentile) from many simulations which attempt to capture a wide range of uncertainty. The results indicate that under the best-case (5th percentile) scenario, the impact of additional/proposed coal resource developments on groundwater drawdown and surface water characteristics can be quite small. However, under the worse-case (95th percentile), groundwater drawdown is very likely for up to 5 km from the coal resource developments, but unlikely beyond 20 km. Altered surface water characteristics can extend for many kilometres downstream, particularly in unregulated systems. The cumulative hydrological impact is enhanced where there are multiple developments in close proximity. The results are being used to inform policy and the approval process for coal resource developments.
KeywordHydrological impacts Coal mining Coal seam gas Cumulative impact assessment
DOI10.1016/j.jhydrol.2020.125281
WOS KeywordUNCERTAINTY ANALYSIS ; SYSTEM ; MODEL
Indexed BySCI
Language英语
Funding ProjectAustralian Commonwealth Department of the Environment
Funding OrganizationAustralian Commonwealth Department of the Environment
WOS Research AreaEngineering ; Geology ; Water Resources
WOS SubjectEngineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000599757800011
PublisherELSEVIER
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/137510
Collection中国科学院地理科学与资源研究所
Corresponding AuthorPost, D. A.
Affiliation1.CSIRO Land & Water, GPO Box 1700, Canberra, ACT 2601, Australia
2.CSIRO Land & Water, Adelaide, SA, Australia
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
4.CSIRO Mineral Resources, Brisbane, Qld, Australia
5.CSIRO Land & Water, Brisbane, Qld, Australia
6.Geosci Australia, Canberra, ACT, Australia
7.CSIRO Data61, Canberra, ACT, Australia
Recommended Citation
GB/T 7714
Post, D. A.,Crosbie, R. S.,Viney, N. R.,et al. Impacts of coal mining and coal seam gas extraction on groundwater and surface water[J]. JOURNAL OF HYDROLOGY,2020,591:17.
APA Post, D. A..,Crosbie, R. S..,Viney, N. R..,Peeters, L. J. M..,Zhang, Y. Q..,...&Herr, A..(2020).Impacts of coal mining and coal seam gas extraction on groundwater and surface water.JOURNAL OF HYDROLOGY,591,17.
MLA Post, D. A.,et al."Impacts of coal mining and coal seam gas extraction on groundwater and surface water".JOURNAL OF HYDROLOGY 591(2020):17.
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