
Dr. Jiří (Jirka) Šimůnek is a Distinguished Professor of Hydrology with the Department of Environmental Sciences of the University of California, Riverside. He received an M.S. in Civil Engineering from the Czech Technical University in Prague, Czech Republic, and a Ph.D. in Water Management from the Czech Academy of Sciences in Prague. His expertise is in numerical modeling of subsurface water flow and solute transport processes in the soil-plant environment, equilibrium and nonequilibrium chemical transport, multicomponent major ion chemistry, field-scale spatial variability, and inverse procedures for estimating the hydraulic properties of unsaturated porous media.
Dr. Šimůnek has authored and co-authored more than 475 peer-reviewed journal articles, over 20 book chapters, and two books. According to Google Scholar, he has an h-index of 114, an i10-index of 475, and more than 55,000 citations. He is the principal developer of the HYDRUS software packages (HYDRUS-1D and HYDRUS 2D/3D), along with related codes including UNSATCHEM and STANMOD. His HYDRUS models are used by virtually all scientists, students, and practitioners modeling water flow, chemical movement, and heat transport through variably saturated soils. These models are used globally for irrigation design, groundwater protection, contaminant remediation, environmental risk assessment, and soil–plant–atmosphere system modeling.
Dr. Šimůnek is a past Editor-in-Chief of the Journal of Hydrology, a past co-editor of Vadose Zone Hydrology and Journal of Hydrology and Hydromechanics, and a former associate editor of Journal of Hydrology, Water Resources Research, and Journal of Hydrological Sciences.
Dr. Šimůnek is a Fellow of the American Geophysical Union (AGU), the Soil Science Society of America (SSSA), the American Society of Agronomy (ASA), and the American Association for the Advancement of Science (AAAS). He is a recipient of the SSSA’s Don and Betty Kirkham Soil Physics Award and Soil Science Research Award, and AGU Peter S. Eagleson Hydrological Sciences Award.