Taiwan is located in the sub-tropical monsoon region, typhoons are occurred in the summer and autumn, the rainfall cause an inundation in the midstream and downstream of rivers. The economic prosperity of Taiwan has brought rapid development and expansion of residence, commerce, industry, transportation in Taipei city, it is not difficult to imagine that the consequence would be much more severe if flooding directly strikes the city. In the recent years, the Xangsane and Nari typhoon cause huge damages of citizen’s life and properties in Taipei metropolis region.As economical growth increasing, people lay more emphasis on the demand about protection of life and properties. People are vulnerable to the inevitable occurrence of strong typhoons. Therefore, building hydraulic structures is the major method of preventing urban inundation, but how to plan emergency shelter system also plays a more important role in management of inundation control. The main purpose of planning emergency shelter system is to provide a safe refuge for urban residents while disasters are happened.This essay bases on the 「Hazard mitigation system of urban planning」sponsored by the Taipei government. Inundation potentials maps are used in the GIS to examine the usefulness of emergency shelter system, furthermore, to revise the emergency shelter planning and provide a reliable for Taipei city citizen.
