Prof. Peiyue Li is a full professor in the field of hydrogeology and environmental sciences at Chang’an University, China, where he serves as the vice dean of School of Water and Environment. He has wide experience in groundwater quality assessment, hydrogeochemistry, and groundwater modeling. He has led over 30 research projects, edited and co-edited over 14 textbooks and academic monographs, and published over 200 articles in refereed journals on topics that range from groundwater quality assessment and groundwater hydrochemistry to groundwater pumping tests and in situ tracer tests. He at present serves as an associate editors for Exposure and Health, Mine Water and the Environment, Archives of Environmental Contamination and Toxicology, Environmental Monitoring and Assessment, Human and Ecological Risk Assessment, Applied Water Science, Water Practice and Technology, and Discover Water. He has been awarded one of the most highly cited researchers by Clarivate, Elsevier, and other organizations. Prof. Vetrimurugan Elumalai is an established hydrogeologist expertise in contaminant hydrology and groundwater modelling. He is excelling as an established researcher and mentor and director of the Research Center for Water Science and Technology, University of Zululand, South Africa. He is South African National chair of Hydrology (SARChI-Tier 1). His project experience covers groundwater resource investigation and development, groundwater characterization, contaminant hydrogeology and urban development, surface water groundwater interactions, remote sensing, and GIS application in Water Resource Management. He has published about 80 research papers in reputed journals. He is a registered scientist with SACNASP. He is a life member of International Association of Hydrological Science, International Association of Hydrogeologists, International Association of Hydrological Sciences, and Geological Survey of South Africa.Dr. Jianhua Wu is a full professor at Chang’an University in China, specializing in hydrology and water resources in arid areas, loess seepage and its disaster mechanisms, and groundwater environmental protection. She has led over ten research projects and has been awarded more than ten research prizes. Her research output includes over 80 academic papers published in international journals, with 16 of them recognized as highly cited and popular papers by Essential Science Indicators. She is an associate editor for the international journal Exposure and Health. Dr. Wu’s research excellence has garnered recognition from prestigious organizations such as Clarivate and Elsevier, who have selected her as one of the most highly cited researchers in the world.