Wp2] =@$ 129 pp. The parameters for this step are similar to the road flood depth except for the buffer distance. To share the flood impact in 3D, follow the tasks in the Share 3D flood impact scene task group. /Subject () /Producer (Docudesk) /ExtGState 23 0 R You can repeat this task for every water surface elevation (WSE) raster. For each RFFA method, site and distribution, a mean absolute relative error (MARE) was computed as shown in Eq. 241 pp. /Type /Page /ModDate (D:20070302092647) Use this task to choose which flood impact layers to share, such as the flood impact area, impacted roads, bridges, and buildings for each flood scenario. (2000), Grgens (2007) and Haile (2011). /ExtGState 13 0 R Johannesburg EMS said they are monitoring rising water levels along the Jukskei river near Setswetla Informal settlement in Alexandra. WRC Report No. >> He is confident that the city's plan will lead to significantly less flooding. %PDF-1.3 /ExtGState 29 0 R 1993). Research Report RC 15658. PDF Analysis Techniques: Flood Analysis Example with Instaneous Peak Flow >> Ryan Kellman/NPR "Now, it was just silence," he remembers. "This town has so much to offer," he says. The federal government provides the vast majority of residential flood insurance in the U.S. Ryan Kellman/NPR /F4 48 0 R /ExtGState 41 0 R Pretoria is located 55 km (34 miles) north of Johannesburg. 7 0 obj Grgens (2007) did not update flood regions in South Africa and used both the RMF K-regions (Kovcs, 1988) and the veld type zones (HRU, 1972) in his regionalisation, and it is recommended that a more detailed regionalisation should be used in the development of an updated RFFA method for South Africa. endobj With no money to repair their homes, a lot of people took what they could salvage and left Rainelle for good. Share the results for each flood scenario. To allow others to see the results of the analysis, follow the steps in the Share flood impact information task. To create flood impact areas and add them to the map, follow the steps in the Create flood impact areas task. If you still need help you can always visit the WordPress Support Forums. Follow the steps in this task to learn how to use the Flood Impact Analysis solution. Both linear and exponential relationships were developed to estimate the MEF as a function of catchment area. McGraw-Hill, New York. 98 pp. From the results for KZN the JPV method, with a regionalised GEV distribution with the veld zone regionalisation, generally gave the best performance when compared to design floods estimated from the annual maximum series extracted from the observed data. The daily data were analyzed to obtain annual maximum values for durations of 1, 2, and 4 days, consistent with the data used by NWS in the Atlas 14 analysis. "If you don't have the finances you need to recover, then families have to make really difficult trade-offs, like maybe forgo spending on medical expenses because otherwise you don't have a safe home," says Carolyn Kousky, the executive director of the Wharton Risk Management and Decision Processes Center at the University of Pennsylvania.