Groundwater Flow System-Based Dynamic System Approach for Geofluids and Their Resources

Abstract

The ‘Dynamic System Approach for Geofluids and their Resources’ was developed to harmonize research and the sustainable exploration of geofluids (e.g., groundwater, geothermal and hydrothermal fluids) and the related geo-resources (groundwater, geothermal energy and hydrothermal minerals). The conception is based on the basin-scale groundwater flow systems, which behave as a geologic agent, mobilize, transport and deposit matter and heat, whilst it can be evaluated quantitatively and in a distributed manner. Evaluation of these systems combined, for instance, with numerical, stochastic and isotope methods can jointly manage all types of geofluids, the related resources and the environmental consequences of their exploration and utilization. This paper describes the fundamental concepts of the approach and displays the proposed workflow and guidelines for practical applications such as groundwater vulnerability assessment, managed aquifer recharge, geothermal energy utilization, and the evaluation of hydrothermal mineral potential.

Wetland Management in Recharge Regions of Regional Groundwater Flow Systems with Water Shortage, Nyírség Region, Hungary

“…The results highlighted that in the case of groundwater-dependent wetlands, a detailed understanding of the hydraulic position of these areas and the groundwater-wetland interaction are key elements of finding a proper management solution. The novelty of this study was the application of the groundwater flow system approach [33] at different scales during the investigations. The wetlands were investigated firstly in the regional context of groundwater flow systems followed by the characterisation of the local groundwater-wetland interaction.…”

“…Due to the decreasing water table, most wetlands have dried up in topographically elevated regions, endangering the associated GDEs. Based on the considerations mentioned above, a system approach [33] needs to be applied to assess groundwater and its interaction with wetlands. Determining natural conditions and understanding the groundwater flow dynamics and its connection to wetlands, spatially and temporally, are the foundation of finding the appropriate solution to disappearing wetlands in the area.…”

Nem lehet mindenhol mindent, de mindenhol lehet valamit – A geotermikus energia hasznosításának lehetőségei a hazai ellátás diverzifikálása érdekében

“…Ez a sokféle eltérő irányból érkező igény kielégítése a jövőben még intenzívebb összehangolást igényel. Ennek alapja a korábbi egyedi megközelítések (felszín alatti víz, szénhidrogén, geotermikus, nyersanyagrendszerek) összefüggéseinek feltárása és az összehangolt használatot segítő szabályozás kialakítása lehet, amire az ENeRAG projekt eredményei mutattak rá (Czauner et al 2022).…”

Basin-Scale Hydraulic Evaluation of Groundwater Flow Controlled Biogenic Gas Migration and Accumulation in the Central Pannonian Basin

“…In this way, the full hydrostratigraphic build-up is studied in combination with the hydraulic data instead of focusing only on aquifers. The methodology was developed by several authors [21,[26][27][28][29][30] and contains the analysis of measured hydraulic (water level and pore pressure) data by using pressure-elevation profiles, tomographic fluid potential maps, and hydraulic cross sections. The application of pressure-elevation (p(z)) profiles was further developed by Czauner et al [22,23] in order to separate normal and abnormal pressure regimes, thus identifying regional scale groundwater flow systems with different driving forces.…”