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Three of the eleven papers focused on groundwater recharge and its impacts on the groundwater regime, in which recharge was caused by riverbed leakage from river ecological restoration (artificial water replenishment). The issues of the hydrogeological parameters involved (such as the influence radius) were also reconsidered. Six papers focused on the impact of river ecological replenishment and other human activities on river and watershed ecology, and on groundwater quality and use function. The issues of ecological security at the watershed scale and deterioration of groundwater quality were of particular concern. Two papers focused on water resources carrying capacity and water resources reallocation at the regional scale, in the context of the fact that ecological water demand has been a significant topic of concern. The use of unconventional water resources such as brackish water has been emphasized in the research in this issue.
Technology: general issues --- History of engineering & technology --- influence radius --- Dupuit --- Thiem --- groundwater flow system --- sustainable development --- hydrogeochemistry --- ionic ratios --- factor analysis --- inverse modeling --- Yangtze River --- water resources carrying capacity --- uncertainty analysis --- fuzzy comprehensive evaluation model --- weight sensitivity analysis --- Yongding River --- groundwater numerical simulation --- artificial ecological water supplement --- groundwater recharge resources amount evaluation --- alga control --- typical biological chain --- Ecopath model --- ecological restoration --- Lianshi Lake --- Songnen Plain --- groundwater --- fluorine --- distribution --- formation --- human health risk --- groundwater quality --- groundwater hydrochemistry --- drinking suitability --- irrigation suitability --- health risk assessment --- watershed ecological security assessment --- DPSIR model framework --- environmental management --- water allocation --- brackish water --- general algebraic modeling system --- water diversion project --- numerical simulation --- MODFLOW --- n/a
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Three of the eleven papers focused on groundwater recharge and its impacts on the groundwater regime, in which recharge was caused by riverbed leakage from river ecological restoration (artificial water replenishment). The issues of the hydrogeological parameters involved (such as the influence radius) were also reconsidered. Six papers focused on the impact of river ecological replenishment and other human activities on river and watershed ecology, and on groundwater quality and use function. The issues of ecological security at the watershed scale and deterioration of groundwater quality were of particular concern. Two papers focused on water resources carrying capacity and water resources reallocation at the regional scale, in the context of the fact that ecological water demand has been a significant topic of concern. The use of unconventional water resources such as brackish water has been emphasized in the research in this issue.
influence radius --- Dupuit --- Thiem --- groundwater flow system --- sustainable development --- hydrogeochemistry --- ionic ratios --- factor analysis --- inverse modeling --- Yangtze River --- water resources carrying capacity --- uncertainty analysis --- fuzzy comprehensive evaluation model --- weight sensitivity analysis --- Yongding River --- groundwater numerical simulation --- artificial ecological water supplement --- groundwater recharge resources amount evaluation --- alga control --- typical biological chain --- Ecopath model --- ecological restoration --- Lianshi Lake --- Songnen Plain --- groundwater --- fluorine --- distribution --- formation --- human health risk --- groundwater quality --- groundwater hydrochemistry --- drinking suitability --- irrigation suitability --- health risk assessment --- watershed ecological security assessment --- DPSIR model framework --- environmental management --- water allocation --- brackish water --- general algebraic modeling system --- water diversion project --- numerical simulation --- MODFLOW --- n/a
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Three of the eleven papers focused on groundwater recharge and its impacts on the groundwater regime, in which recharge was caused by riverbed leakage from river ecological restoration (artificial water replenishment). The issues of the hydrogeological parameters involved (such as the influence radius) were also reconsidered. Six papers focused on the impact of river ecological replenishment and other human activities on river and watershed ecology, and on groundwater quality and use function. The issues of ecological security at the watershed scale and deterioration of groundwater quality were of particular concern. Two papers focused on water resources carrying capacity and water resources reallocation at the regional scale, in the context of the fact that ecological water demand has been a significant topic of concern. The use of unconventional water resources such as brackish water has been emphasized in the research in this issue.
Technology: general issues --- History of engineering & technology --- influence radius --- Dupuit --- Thiem --- groundwater flow system --- sustainable development --- hydrogeochemistry --- ionic ratios --- factor analysis --- inverse modeling --- Yangtze River --- water resources carrying capacity --- uncertainty analysis --- fuzzy comprehensive evaluation model --- weight sensitivity analysis --- Yongding River --- groundwater numerical simulation --- artificial ecological water supplement --- groundwater recharge resources amount evaluation --- alga control --- typical biological chain --- Ecopath model --- ecological restoration --- Lianshi Lake --- Songnen Plain --- groundwater --- fluorine --- distribution --- formation --- human health risk --- groundwater quality --- groundwater hydrochemistry --- drinking suitability --- irrigation suitability --- health risk assessment --- watershed ecological security assessment --- DPSIR model framework --- environmental management --- water allocation --- brackish water --- general algebraic modeling system --- water diversion project --- numerical simulation --- MODFLOW --- influence radius --- Dupuit --- Thiem --- groundwater flow system --- sustainable development --- hydrogeochemistry --- ionic ratios --- factor analysis --- inverse modeling --- Yangtze River --- water resources carrying capacity --- uncertainty analysis --- fuzzy comprehensive evaluation model --- weight sensitivity analysis --- Yongding River --- groundwater numerical simulation --- artificial ecological water supplement --- groundwater recharge resources amount evaluation --- alga control --- typical biological chain --- Ecopath model --- ecological restoration --- Lianshi Lake --- Songnen Plain --- groundwater --- fluorine --- distribution --- formation --- human health risk --- groundwater quality --- groundwater hydrochemistry --- drinking suitability --- irrigation suitability --- health risk assessment --- watershed ecological security assessment --- DPSIR model framework --- environmental management --- water allocation --- brackish water --- general algebraic modeling system --- water diversion project --- numerical simulation --- MODFLOW
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In nature, urban groundwater results in multiple processes, including climatic, geological, geomorphological, geochemical, ecotoxicological, and hydraulic processes, in addition to sanitation, all of which sustain varied ecological services. Urban development profoundly impacts hydrological systems, particularly in the invisible component of the water cycle, the groundwater. That impact was perceived a considerable while in the past, and the initial focus was drawn to societal roles in the development of urbanisation and the consequent contamination and pollution of hydrosystems. Additional issues in sustainable water resource management and hydrological cycle comprehension are added by urbanisation. The Special Issue highlights the presentation and discussion of model urban studies and reflections that describe the current state-of-the-art methods on challenges and emerging fields related to the mapping, characterisation, assessment, mitigation, and protection of sustainable groundwater systems in peri-urban and urban areas. In the current year, 2022, World Water Day was dedicated to groundwater, and the process of making the invisible visible. This Special Issue offers a set of papers that promote reflections, methodologies, and learned studies on the importance of fresh water in urban areas.
Research & information: general --- Environmental economics --- water resources carrying capacity --- load-balance --- system dynamics model --- water resources allocation --- Jilin province --- wildfire --- peri-urban area --- groundwater quality --- polycyclic aromatic hydrocarbons --- major ions --- metals --- urban groundwater --- hydrogeochemistry --- hydrodynamics --- IPI-Urban --- NW Portugal --- emergency groundwater source --- numerical model --- drawdown --- in situ hydrogeological tests --- salinity --- ions --- semi-arid region --- Mewat --- Haryana --- environmental isotope --- δ2H --- municipal solid waste --- leachate contamination --- natural tracers --- coal mine wastewater quality --- irrigation --- heavy metals --- water quality index --- environmental impact --- groundwater sustainable management --- groundwater abstraction --- seawater intrusion --- numerical modelling --- coastal aquifer --- urban water-supply --- groundwater --- private self-supply --- management issues --- water supply system --- volcanism --- eruptive scenarios --- vulnerability --- Azores --- wellhead protection area --- numerical modeling --- analytical methods --- n/a --- Research. --- Environmental economics.
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