Introduction. The lack of fresh water has become a serious problem. main causes the crisis are population growth and climate change. Egypt is very arid country which facing scarcity due to increasing demand limited supply. Applying new approaches required in this situation deal with scarcity. Wadi Watir Sinai Peninsula, chosen as research area, an important tourist commercial watershed. It expe...

An increase in the occurrence of sudden local flooding of great volume and short duration has caused significant danger and loss of life and property in Korea as well as many other parts of the World. Since such floods usually accompanied by rapid runoff and debris flow rise quite quickly with little or no advance warning to prevent flood damage, this study presents a new flash flood indexing m...

Flash floods are among the most dangerous natural disasters. As climate change and urbanization advance, an increasing number of people at risk flash floods. The application remote sensing geographic information system (GIS) technologies in study has increased significantly over last 20 years. In this paper, more than 200 articles published years summarized analyzed. First, a visualization anal...

Abstract— Wireless Sensor Network is architecture with a variety of potential application. Wireless sensor network have emerged as an important application of the ad-hoc networks paradigm, such as for monitoring physical environment. These sensor networks have limitations of system resources like battery power, communication range and processing capability. There is a crucial link between safet...