**About the Editors**

**Andrzej Wał ˛ega**, PhD, Eng, is based at the Department of Sanitary Engineering and Water Management, the University of Agriculture in Krakow, Poland, where he teaches hydrology, modeling of hydrological processes, water management in urban catchments. He holds a PhD, MS, and an MEng from the University of Agriculture in Krakow, focusing on Environmental Engineering. He has been working as a researcher and lecturer since 2005. Currently, he is the President Association of Polish Hydrologists. He was an Expert in project Study of hydraulic modeling against floods – 1st stage, in preparation for the implementation of EU directive No 2007/60EC and Study of hydraulic modeling against floods – 2nd stage, providing support for the competence and readiness of Georgian institutions, where he was a leader at the Polish Center of International Aid. He is a Guest Editor of the MDPI journals Sustainability, Atmosphere, and Water in addition to Intelligent Automation and Soft Computing, and a Member of the Editorial Board of Sustainability. He has co-authored over 190 journal and conference papers, books and book chapters, and technical guides related to hydrology and water management.

**Tamara Tokarczyk**, PhD, Eng, is Associate Professor at the Institute of Meteorology and Water Management of the National Research Institute in Warsaw, and Head of the Department of Hydrology and Water Resources Engineering. Tokarczyk's research activity includes conducting research and development works in the field of hydrology and hydrometeorology concerning extreme hydrological and meteorological phenomena; developing tools for monitoring and forecasting floods and droughts; risk assessment of extreme hydrometeorological events; hazard and risk mapping; promoting a multidisciplinary approach combining meteorology, climatology, hydrology, mathematics, and statistics; managing the editorial process, participating, coordinating, and conducting research projects. The most important positions performed to date include serving as the Polish Representative in the Hydrology Commission (CH) at WMO from 2012 to 2021, President of the School "Contemporary Issues of Hydrology" since 2018, Member of the Scientific Council of the Center for Modelling Hydrological Processes since 2013, Scientific Secretary of the Hydrology Section of the Water Management Committee of the Polish Academy of Sciences from 2011 to 2018, Chairman of the Team of Experts for the Implementation of the Flood Directive since 2011, inclusion in the G2 "Flood" Working Group at the Institute of Water Management since 2009, Member of the Scientific Council of the Institute of Meteorology and Water Management, Term VI–IX, Member of the Board of the Association of Polish Hydrologists since 2019, Member of the European Drought Center since 2005, Member of the Hydrology Section of the Water Management Committee of the Polish Academy of Sciences during 2003–2006, a member of the LOW FLOW & DROUGHT Expert Group within IHP, UNESCO Program, since 2002. Tokarczyk's awards include the 2018 Honorary Silver Badge – meritorious for the Lower Silesian Voivodeship in Environmental Engineering, 2005, 2007, 2008, 2009, and 2010; Award of the Chief Director of IMWM NRI, 2008; Departmental badge "For contributions to Environmental Protection and Water Management", 2003; and the 2002 Award of the Minister of the Environment.
