Martina Zeleňáková currently serves as an associate professor at the Institute of Environmental Engineering, Faculty of Civil Engineering at the Technical University of Košice. In the context of her scientific research activities she has focused on water management and environmental impact assessment. The results of her work have been published in books, journals, and conferences proceedings. She has engaged in variety of national and international projects.Dr. Katarzyna Kubiak-Wójcicka is a hydrologist. Acquired the PhD degree in the area of Earth sciences, geography in 2006. She works at Nicolaus Copernicus University in Toruń, Poland, at the Department of Hydrology and Water Management of the Faculty of Earth Sciences. She is the author of numerous papers on variability of river runoff with main object of interest being the Vistula river and its tributaries. Apart from scientific articles, she is experienced in hydrographic map editing and creating hydrological expert opinions for the purposes of civil courts and municipal governments.Prof. Abdelazim Negm is a professor of Water Resources at the Faculty of Engineering, Zagazig University, Egypt, since 2004. He got his PhD in 1992 from Zagazig University (ZU) an his Msc from Ain shams University in the year 1990. He was the vice dean of the Faculty of Engineering of ZU from 12/2008 to 12/2011 and was the head of the Environmental Engineering Dept. at Egypt-Japan University of Science and Technology (E-JUST), Egypt 10/2013 to 9/2015. He participated in several international projects since 2006 until now. He published more than 300 papers in national and international journals and conferences. Some of his papers were awarded the prize of the best papers. He is the editor of several volumes of the Springer Handbook of Environmental Chemistry series (HEC series). Two volumes were published in May 2017 and one of them was within the top ten in water science for the year 2017. Also, ten volumes arepublished during the year 2018/2019.
