Han, Dawei

Professor Dawei Han:
BEng, MSc(Huabei), PhD(Salf), CEng, FCIWEM Professor of Hydroinformatics Water and Environmental Management Research Centre Department of Civil Engineering University of Bristol, BS8 1TR, UK E-mail: d.han@bristol.ac.uk http: //www.bris.ac.uk/civilengineering/person/d.han.html
Dr. Ayman A. Ahmed
Associate Professor of Hydrogeology, Geology Department, Faculty of Science, Sohag University, Sohag, Egypt E-mail: ayman@sohag.edu.eg