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The contribution of citizen science in managing and monitoring groundwater systems impacted by coal seam gas production: an example from the Surat Basin in Australia’s Great Artesian Basin | La contribution de la science citoyenne à la gestion et à la surveillance des systèmes d’eaux souterraines affectées par la production de gaz de couche: un exemple tiré du bassin de la Surat dans le Grand Bassin Artésien en Australie La contribución de la ciencia ciudadana en el manejo y monitoreo de los sistemas de aguas subterráneas impactados por la producción de gas de veta de carbón: un ejemplo de la Cuenca Surat en la Gran Cuenca Artesiana de Australia 公民科学在煤层气生产影响的地下水系统管理和监测方面的贡献:澳大利亚苏拉特盆地大自流盆地的例子 Contribuição da ciência cidadã Para a gestão e monitorização de sistemas de água subterrânea afectados pela produção de metano de leito de carvão: um exemplo da Bacia Surat na Grande Bacia Artesiana da Austrália 全文
2020
Jamieson, Michael | Elson, Mabbie | Carruthers, Ross | Ordens, Carlos Miraldo
Monitoring is critical for effective groundwater management, especially in systems with competing groundwater interests, such as the Great Artesian Basin’s (GAB) Surat Basin (~180,000 km²) in Queensland, Australia. Coal seam gas (CSG) activities in the region have led to public concerns about potential impacts on groundwater and to landholder complaints about impacts on boreholes. To deal with these issues, the Queensland Government established the Groundwater Net and Groundwater Online citizen-science monitoring programs, which started in 2013 and were fully operational by 2018. Groundwater Net is a community-based education and groundwater monitoring program in which over 500 landholders across 16 local groups have attended workshops and provided over 1,000 groundwater-level/pressure readings from their boreholes using the My Groundwater Monitoring website. Annual workshops provide a forum to share and discuss monitoring results and knowledge. Regularly updated status reports compare monitoring data from CSG companies and the government with landholder data. Groundwater Online is a complimentary program using continuous-monitoring loggers and telemetry on 46 private boreholes. Citizen science now provides 13% of GAB monitoring boreholes in the CSG area. By effectively engaging with borehole owners, and empowering them to monitor, many opportunities arise for better groundwater management. Consequently, the spatial reach of groundwater monitoring and its frequency have increased, landholders are educated about groundwater systems, and borehole owners generally feel more confident about monitoring conducted by CSG companies and government.
显示更多 [+] 显示较少 [-]Reconciling contradictory environmental tracer ages in multi-tracer studies to characterize the aquifer and quantify deep groundwater flow: an example from the Hutton Sandstone, Great Artesian Basin, Australia | Widersprüchliche Wasseralter von Umwelttracern charakterisieren die Eigenschaften eines gespannten Aquifer Systems und quantifizieren effektive tiefe Grundwasserneubildung am Beispiel des Hutton Sandstein, Großes Artesisches Becken, Australien Réconcilier les âges contradictoires issus de traceurs environnementaux dans les études multi-traceurs pour caractériser les aquifères et quantifier les écoulements d’eaux souterraines profonds: un exemple des Grès de Hutton, Grand Bassin Artésien, Australie Arreglos de edades contradictorias de trazadores ambientales en estudios de múltiples trazadores para caracterizar el acuífero y cuantificar el flujo de agua subterránea profunda: un ejemplo de la Hutton Sandstone, Great Artesian Basin, Australia 多示踪研究中解释相互矛盾的环境示踪剂年龄以表征含水层和量化深部地下水流:以澳大利亚大自流盆地Hutton砂岩为例 Reconciliando as idades contraditórias do traçador ambiental em estudos com múltiplos traçadores para caracterizar o aquífero e quantificar o fluxo profundo de águas subterrâneas: um exemplo do Arenito Hutton, Grande Bacia Artesiana, Austrália 全文
2020
Suckow, Axel | Deslandes, Alec | Raiber, Matthias | Taylor, Andy (Andy Richard) | Davies, Phil | Gerber, Christoph | Leaney, Fred
The effective deep recharge to the Hutton Sandstone, a major confined aquifer of the Surat Basin, Australia, has been quantified for the first time with the aid of environmental tracers. A factor of ten discrepancy was found when deriving groundwater flow velocities from applying the environmental tracers ¹⁴C and ³⁶Cl. It was possible to reconcile these contradictory results describing the Hutton Sandstone as a dual porosity system, in which a significant part of the tracer is not only lost by radioactive decay, but also by diffusion into stagnant zones of the aquifer. The conceptual and mathematical description of this process allowed for quantification of the effective deep recharge into this aquifer. The resulting recharge value is only a small percentage (~3%) of earlier estimates using chloride mass balance. The chloride mass balance probably gives a correct shallow infiltration rate but most of that infiltration is diverted to springs and surface water nearby (“rejected recharge”). Only a small fraction of recharge finally reaches the deeper system. These results are significant for water resource quantification from groundwater in deep confined systems. The presented dual porosity reconceptualization is likely applicable to a significant number of earlier studies that apply environmental tracers to old groundwater, and indicates that those original results may actually give too small values for groundwater velocity and too large estimates of recharge. This reconceptualization may be particularly valid for systems that include old groundwater and that have limited spatial and temporal coverage of tracer data such as the Great Artesian Basin.
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