Arid
DOI10.1016/j.ejrh.2021.100841
Constraining regional-scale groundwater transport predictions with multiple geophysical techniques
Li, Chris; Doble, Rebecca; Hatch, Michael; Heinson, Graham; Kay, Ben
通讯作者Li, C (corresponding author), CSIRO Land & Water, Urrbrae, SA, Australia.
来源期刊JOURNAL OF HYDROLOGY-REGIONAL STUDIES
EISSN2214-5818
出版年2021
卷号36
英文摘要Study region: The study area is located at Kapunda, South Australia with a semi-arid climate and comprises a fractured rock aquifer. Established in 1842, Kapunda was the first mining town in Australia and its open-pit mine was a key economic driver for the whole continent. The mine was closed in 1879 and the remnant low-grade copper was considered sub-economic, hence the mine has been developed into a tourist attraction. With the recent advances in In-Situ Recovery (ISR), the feasibility of recovering the remnant copper is under consideration again. Study focus: A field trial involving lixiviant injection and extraction is under development. This study uses a combination of stochastic groundwater modeling and multiple geophysical techniques to investigate (1) the flow paths of injectant and whether it will reach the Light River, and (2) the injectant residence time in the aquifer. New hydrological insights for the region: Depending on the effective porosity of the aquifer, the modeling suggests a probability of 1 %-5 % for the injectant to escape the site. There is a large uncertainty in the simulated injectant residence time, ranging from 200 to beyond 1000 days. These analyses are conservative and do not consider the biodegradability of the injectant, which can achieve a 90 % degradation over 28 days. Our modeling shows no evidence that the injectant can reach the Light River within this timeframe.
英文关键词Groundwater model Geophysics Nuclear magnetic resonance Electromagnetics Magnetotellurics Fractured Rock
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000687242400002
WOS关键词AIRBORNE ELECTROMAGNETIC DATA ; HYDRAULIC CONDUCTIVITY ; MAGNETIC-RESONANCE ; MODEL ; INVERSION ; CHLORIDE ; KAPUNDA
WOS类目Water Resources
WOS研究方向Water Resources
来源机构Commonwealth Scientific and Industrial Research Organisation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/368557
作者单位[Li, Chris; Doble, Rebecca] CSIRO Land & Water, Urrbrae, SA, Australia; [Li, Chris; Hatch, Michael; Heinson, Graham; Kay, Ben] Univ Adelaide, Adelaide, SA, Australia
推荐引用方式
GB/T 7714
Li, Chris,Doble, Rebecca,Hatch, Michael,et al. Constraining regional-scale groundwater transport predictions with multiple geophysical techniques[J]. Commonwealth Scientific and Industrial Research Organisation,2021,36.
APA Li, Chris,Doble, Rebecca,Hatch, Michael,Heinson, Graham,&Kay, Ben.(2021).Constraining regional-scale groundwater transport predictions with multiple geophysical techniques.JOURNAL OF HYDROLOGY-REGIONAL STUDIES,36.
MLA Li, Chris,et al."Constraining regional-scale groundwater transport predictions with multiple geophysical techniques".JOURNAL OF HYDROLOGY-REGIONAL STUDIES 36(2021).
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