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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.
The goal of this Special Issue is to highlight the research frontier of river ecological restoration and groundwater artificial recharge, considering worldwide river shrinkage and groundwater depletion. After peer review, organized by the journal, and the selection of our Special Issue, 15 papers were finally selected and published in this Special Issue. The papers can generally be classified according to the following topic areas: (1) identifying and characterizing the complex hydrological processes in the river ecological restoration or groundwater artificial recharge; (2) characterizing the impacts of the river ecological restoration or groundwater artificial recharge on the physiochemical and biological evolution of and the ecological risk to aquatic environments; and (3) demonstrating the redistribution of water resources and the safety of water quality in the river ecological restoration or groundwater artificial recharge. We believe that these high-quality papers have important reference value for the sustainable management of water resources and the ecological protection of water.
As demand for water increases, water managers and planners will need to look widely for ways to improve water management and augment water supplies. This book concludes that artificial recharge can be one option in an integrated strategy to optimize total water resource management and that in some cases impaired-quality water can be used effectively as a source for artificial recharge of ground water aquifers. Source water quality characteristics, pretreatment and recharge technologies, transformations during transport through the soil and aquifer, public health issues, economic feasibility, and legal and institutional considerations are addressed. The book evaluates three main types of impaired quality water sourcesâ€"treated municipal wastewater, stormwater runoff, and irrigation return flowâ€"and describes which is the most consistent in terms of quality and quantity. Also included are descriptions of seven recharge projects.
This title offers more than 100 papers originating in 20 countries, covering research on a widening range of methods for recharge enhancement and groundwater quality protection and improvement. These include: bank filtration; aquifer storage and recovery; and soil aquifer treatment, as well as rainwater harvesting and pond infiltration. The emphasis is on understanding subsurface process to improve siting, design and operation and to facilitate use of stormwater and reclaimed water, particularly in water-scarce areas.
This book gathers peer-reviewed contributions presented at the F-EIR Conference 2021, Environment Concerns and its Remediation, held in Chandigarh, India, on October 18-22, 2021. The respective papers focus on environmental monitoring and remediation, and cover topics such as efficiency in the use of energy, water, resources and human capital, waste minimization & management, durability and sustainability of building materials, green technologies, environmental sustainability and resilience, renewable energy, prevention and management of water pollution, life cycle assessment, and climate change. Accordingly, the book offers a valuable, up-to-date tool and essential overview of the subject for scientists and practitioners alike, and will inspire further investigations and research.
This text covers the proceedings of the third International Symposium - TISAR 98, held in Amsterdam. Topics include: basin recharge; water management in arid regions; behaviour of pollutants; bank, basin, well and other types of recharge; and storage and recovery efficiency.