Review: Deep groundwater research with focus on Germany

Hebig, Klaus H.; Ito, Narimitsu; Scheytt, Traugott; Marui, Atsunao

doi:10.1007/s10040-011-0815-1

Cited by 18 publications

(7 citation statements)

References 59 publications

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“…2b and 3d) (cf. Hebig et al, 2012). Over most part of the study area, the thickness of the Rupelian clay varies between ∼ 0 and 280 m; only the northwestern part is characterized by a higher thickness up to ∼ 520 m (Fig.…”

Section: Hydrogeological Modelmentioning

confidence: 93%

Influence of major fault zones on 3-D coupled fluid and heat transport for the Brandenburg region (NE German Basin)

et al. 2014

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Abstract.To quantify the influence of major fault zones on the groundwater and thermal field, 3-D finiteelement simulations are carried out. Two fault zones -the Gardelegen and Lausitz escarpments -have been integrated into an existing 3-D structure of the Brandenburg region in northeastern Germany. Different geological scenarios in terms of modelled fault permeability have been considered, of which two end-member models are discussed in detail. In addition, results from these end-member simulations are compared to a reference case in which no faults are considered.The study provides interesting results with respect to the interaction between faults and surrounding sediments and how it affects the regional groundwater circulation system and thermal field.Impermeable fault zones seem to induce no remarkable effects on the temperature distribution; that is, the thermal field is similar to the no-fault model. In addition, tight faults have only a local impact on the fluid circulation within a domain of limited spatial extent centred on the fault zone. Fluid flow from the surrounding aquifers is deviated in close proximity of the fault zones acting as hydraulic barriers that prevent lateral fluid inflow into the fault zones.Permeable fault zones induce a pronounced thermal signature with alternating up-and downward flow along the same structures. Fluid flow along the plane of the faults is principally driven by existing hydraulic head gradients, but may be further enhanced by buoyancy forces. Within recharge domains, fluid advection induces a strong cooling in the fault zones. Discharge domains at shallow depth levels (∼ < −450 m) are instead characterized by the presence of rising warm fluids, which results in a local increase of temperatures which are up to 15• C higher than in the no-fault case. This study is the first attempt to investigate the impact of major fault zones on a 3-D basin scale for the coupled fluid and heat transport in the Brandenburg region. The approach enables a quantification of mechanisms controlling fluid flow and temperature distribution both within surrounding sediments and fault zones as well as how they dynamically interact. Therefore, the results from the modelling provide useful indications for geothermal energy exploration.

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Section: Hydrogeological Modelmentioning

confidence: 93%

Influence of major fault zones on 3-D coupled fluid and heat transport for the Brandenburg region (NE German Basin)

et al. 2014

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“…Mineralized and saline water was transformed into strong alkaline water with very high concentration of carbonate ions, which might be induced by the universal combination of geochemical processes in deep aquifers. The poor recharge‐runoff‐discharge condition would make the water enriched and condensed, thus being considered deep stagnant water zone (Hebig et al, 2012).…”

Section: Resultsmentioning

confidence: 99%

Hydrogeological feasibility of mine water deep geological storage in Baotashan coarse sandstone: A case study in Ordos Basin

Chen

Sun

et al. 2022

Deep Underground Science and Engineering

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For the sake of mine water drainage and sustainable groundwater protection, the new approach of mine water deep geological storage (MWDGS) is highly necessary to save water resources in the semi-arid region of China. However, up to now, little academic research has been done on mine water geological storage. Given this situation, the hydrogeological feasibility of MWDGS was explored in Baotashan coarse sandstone (BCS) of Jurassic measure in Ordos Basin. The results show that the white-gray BCS with a fragile skeleton of quartz (41.4%), feldspar (21.1%), and clay minerals (16.4%) provides the potential variable-void for mine water; and its hydro-chemical type of BCS aquifer is CO 3 -Na and Cl-Na. As the burial depth increases, the strong alkaline groundwater is in stagnant and poor recharge-runoff-discharge condition. The lab test shows that the pores whose diameter is over 10 μm could be treated as the main storage of mine water; and the effective porosity varies from 1.36% to 3.46%. When mine water is injected, the strong hydrodynamics of mine water storage would change the permeability significantly and about 0.201% soluble solids would be dissolved. Partial clay minerals obstruct the pores and induce the saturated phase of high permeability to evolve into steady phase of lower permeability. Under the condition of nonhydraulic fracturing during continuous storage, the heterogeneous anisotropic medium obtained by Transition PRObability GeoStatistics (TPROGS) shows that the capacity of BCS aquifer is 0.455 to 1.226 Mm 3 for 1 km 2 in the study area. The simulation shows that the groundwater mound in well-scale and mine-scale would be formed. The groundwater quality characteristics of "Three Zone" would occur around and gradually drop to approximate the original brine within 10 years. The hydrogeological feasibility reveals that this approach is useful for the well design and groundwater environment management during the mine water deep geological storage project in the Ordos basin.

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“…Deep groundwater is poorly defined, but there is growing interest in understanding the typical depths from which groundwater is withdrawn to meet various demands for this resource (Alley et al, 2013). Development of the term "deep groundwater" is tied to the advance of the early groundwater sciences in the middle of the nineteenth century (Hebig et al, 2012). Research on deep groundwater flow in major hydrogeological units is important to maintaining the ability to provide water for human consumption and to adapt its utilization for agricultural practices.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Deep Groundwater in the Sambagawa Belt in Relation to Growth of Komatsuna (Brassica rapa var. perviridis)

Hikashi

Ishikawa

2014

Environmental Control in Biology

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The quality of groundwater is essential to ensuring the sustainable use of water resources for irrigation. Deep groundwater samples were collected from the Sambagawa Belt in southeastern Japan, at 1,180 m (GWdeep) and 50 m (GWshallow). Groundwater quality was assessed based on analysis of physicochemical parameters. The sodium adsorption ratio of groundwater fell in the range of 1.61 3.13, while electric conductivity of GWdeep was high ( 75.0 mS m 1 ). Experiments were performed to determine the effects of deep groundwater on germination and early growth of komatsuna (Brassica rapa var. perviridis). Strong inhibition (44% reduction) of root growth was observed with GWdeep compared to the control treatment. In contrast, shoot length increased with increasing depth of the groundwater source. Comparison of the effects of GWdeep and NaCl solution on growth of komatsuna revealed similar patterns at 1 10 3 mg L 1 NaCl solution. Our findings suggested that deep groundwater can be used for irrigation of komatsuna, but not during the germination stage of this crop.

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Review: Deep groundwater research with focus on Germany

Cited by 18 publications

References 59 publications

Influence of major fault zones on 3-D coupled fluid and heat transport for the Brandenburg region (NE German Basin)

Influence of major fault zones on 3-D coupled fluid and heat transport for the Brandenburg region (NE German Basin)

Hydrogeological feasibility of mine water deep geological storage in Baotashan coarse sandstone: A case study in Ordos Basin

Analysis of Deep Groundwater in the Sambagawa Belt in Relation to Growth of Komatsuna (Brassica rapa var. perviridis)

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