the management strategies to reduce the vulnerability of flood in tehran (case study: district 1 and 3)

the aim of this study is to assess effective factors in flooding and determine vulnerable areas in first and third tehran municipality areas, therefore suggest the proper management ways to avoid this disaster. flooding disaster could have serious financial and fatal casualties, specially in urban areas. to reduce damages and hurts of flooding in these areas, hydrological, topographical, human features and … were used as separated layers in gis and they were prioritized with a method like ahp. as the results areas with risks of flooding were determined. in this study the areas with high risks and low risks were recognized. studying area was classified into five different classes and their areas were calculated. the very high risk area occurs in 16.21 square kilometer and respectively 19.11, 17.06, 9.67 and 1.84 square kilometer of areas were classified as high, medium, low and very low risks areas. by using this information, there could be proper plans and strategies to control floods and even utilizing flood water.