An investigation into the provision of GIS in Earthquake Impact Reduction on Water Supply Network in Urban Areas
PhD Student, Computation Department
University of Manchester Institute of Science and Technology (UMIST)
Manchester, United Kingdom
Email: [email protected]
Earthquakes are one of the most common of natural hazards. They can result in intensive damages to many components of a community. Water supply network is one such essential component that could be seriously damaged during an earthquake. Water delivers to homes and businesses could be interrupted or be severely limited. In some cases harmful micro organisms could enter drinking water supplies as a result of water main or pipe breaks or damage to water treatment plant. Since earthquakes typically take place with little specific warning, it is necessary to provide suitable planning tools to reduce the risks. One of the important activities in earthquake disaster management is identifying and managing the relationship between the earthquake event and its impacts within the built environment. Geographic Information System (GIS) is a powerful resource for analysing the interrelated systems involved in management of disasters including earthquakes. It provides flexible methods for exploring relationship among geographic and attribute data and assisting experts to solve complex problems.
The primary goal of this paper is to investigate the state of the art of GIS technology in the domain of earthquake impact reduction of water network in urban areas and to provide decision supported disaster management GIS tools. In order to achieve this, a structured approach has been adopted. A typical Software Design Lifecycle (SDLC) is considered as the framework to develop a GIS system capable of analysing and estimating the impact of earthquakes on water network. The framework consists of various well-defined stages and tools of information engineering to reduce the gap between the ‘problem world’ and the ‘computer-based solution world’. For the purposes of this study and due to the historical earthquake events in Tehran (capital of the Islamic Republic of Iran) where there is likely to be an earthquake event of great magnitude in future, this city has been chosen as the case study area.