This book comprises the proceedings of the 26th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2021) focusing on broad spectrum of emerging opportunities and challenges in the field of hydrology and hydrological modelling.

P. V. Timbadiya is an Associate Professor in the Water Resources Engineering section, Department of Civil Engineering, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat, India. He secured his doctoral degree and post-graduation in Water Resources Engineering from SVNIT Surat in 2012 and 2004, respectively. He has guided two doctoral thesis and 29 master’s dissertations. He has over 110 research papers to his credit, including 25 articles in peer-reviewed journals. He served as Dean (Alumni and Resources Generation), and currently serving as Sectional Head, Water Resources Engineering Section at SVNIT. He played an instrumental role in setting up infrastructure facilities in the Centre of Excellence on ‘Water Resources and Flood Management’ such as the Experimental Hydraulics Lab, Computational Hydraulics Lab, Water Circulation System, and others. He is appointed as ‘National Consultant’ for Kalpsar Project by Narmada, Water Resources, Water Supply and Kalpsar Department of Government of Gujarat, India. He received ‘Prof. R. J. Garde Research Award’ for the year 2020 by the Indian Society for Hydraulics. He has awarded DST-SERB Core Research Grant for the project on ‘Local Scouring around tandem and staggered bridge piers on Non-uniform mobile bed’ in the year 2021. He is active in various professional bodies and organized numerous conferences, workshops, and short-term training programmes in his academic career.  Prem Lal Patel is a Professor of Hydraulics and Water Resources in the Department of Civil Engineering, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat, India. He served as the Deputy Director of SVNIT. He also worked as a Reader in the Civil Engineering Department at Delhi College of Engineering (now DTU) from 1999-2007. He served as an Assistant Executive Engineer in Border Roads Organization (BRO) from 1995-1999. He did his bachelor’s in Civil Engineering from Government Engineering College, India and then pursued his Master’s and Doctoral degrees in Civil Engineering from Indian Institute of Technology (IIT) Roorkee, India. He has published more than 220 papers in peer-reviewed journals and conferences of repute. He has guided 12 doctoral thesis and 47 master’s dissertation so far. He has also served in various academic positions in SVNIT Surat, such as Dean (Academics), Head of Civil Engineering Department, Dean (Research & Consultancy), Dean (PG), etc. He was also instrumental in setting up a Centre of Excellence (CoE) on ‘Water Resources and Flood Management’ in the Institute through a research grant from World Bank-sponsored TEQIP-II. He is a recipient of visiting International Fellowship (VIF-2017) 2017 for attending the ASCE EWRI Congress-2017 in Sacramento, California, USA. He is active in various professional bodies and organized numerous conferences, workshops, and short-term training programmes in his academic career.  Vijay P. Singh is a University Distinguished Professor, a Regents Professor, and Caroline and William N. Lehrer Distinguished Chair in Water Engineering at Texas A&M University. He received his B.S., M.S., Ph.D., and D.Sc. in engineering. He is a registered professional engineer, a registered professional hydrologist, and an Honorary Diplomate of ASCE-AAWRE. He is a Distinguished Member of ASCE, a Distinguished Fellow of AGGS, an Honorary Member of AWRA, and a Fellow of EWRI-ASCE, IAH, ISAE, IWRS, and IASWC. He has published extensively in the areas of hydrology, irrigation engineering, hydraulics, groundwater, water quality, and water resources (more than 1320 journal articles, 31 textbooks, 75 edited reference books, 110 book chapters, and 315 conference papers). He has received over 95 national and international awards, including three honorary doctorates. He is a member of 11 international science/engineering academies. He has served as President of the AmericanInstitute of Hydrology (AIH), Chair of the Watershed Council of the American Society of Civil Engineers and is currently President of the American Academy of Water Resources Engineers. He has served/serves as Editor-in-Chief of 3 journals and two book series and serves on editorial boards of more than 25 journals and three book series. His Google Scholar citations include 64073, h-index: 115, and I10-index: 903. Priyank J. Sharma is an Assistant Professor in the Department of Civil Engineering at the Indian Institute of Technology (IIT) Indore, India. He worked as a postdoctoral scholar in Hydrosystems Research Laboratory at Florida Atlantic University, USA. He completed his Ph.D. in Civil Engineering with a specialization in Water Resources Engineering from Sardar Vallabhbhai National Institute of Technology (SVNIT) Surat in January 2020. He is a recipient of the ‘INSPIRE Fellowship’ by the Department of Science and Technology, Government of India and ‘Institute Gold Medal’ at SVNIT Surat. He also worked as an Assistant Manager at Essar Projects (India) Limited from 2010-2012. He has received several awards and accolades for his academic and research performance, the prominent being ‘Prof. U. C. Kothyari Best PhD Thesis Award 2020’ from the Indian Society for Hydraulics. He has authored forty-seven research publications, including fifteen articles in peer-reviewed high-impact factor journals and five book chapters. His research interests are hydroclimatology and climate extremes, climate change impact assessment, streamflow prediction, and reservoir operation.