Application of GIS in urban disaster prevention park planning

摘要

With the development of city urbanization, modern city scale continues to expand, the density of population and economic is higher and higher, urbanization brought the social progress of the city, in the mean time, it also make the city more vulnerable in face of disaster. Taking Xi'an city as an example, analyzing calamity prevention ability of xi'an current park quantitative and qualitative based on GIS, Combining population data we got some results and proposed improvement measure. Finally, we analysed fire, medical and police resources around urban park, which offer strong support for calamity relief when calamity occurs.