Application of multi-criteria decision making to estimate the potential of flooding
Author(s):
Abstract:
Integrating a geographic information system and multi-criteria decision making methods have been lead to provide spatial multi-criteria decision making methods. In this study, the spatial potential of flooding was determined based on analytic network process and analytic hierarchy process. At first, six factors of flooding were determined as criteria. The criteria were the slope, hill-slope aspect, curve number, snow, and rainfall on snow and land use. Also, 25 sub-criteria were determined for them. Then, the criteria and their sub-criteria were weighted based on the analytic network process and the analytic hierarchy process methods. In the next stage, were integrated the weights of the criteria and sub-criteria on their layers in the IlWIS 3 and were calculated the relative weighted average of flooding as the spatial potential of flooding. The results showed that analytic network process and the analytic hierarchy process methods have a high capability to estimate the potential of flooding. The analytic hierarchy process method had calculated the relative weighted average of flooding in the control and sample sub-catchments 26 and 23 percent, respectively. Also, the analytic network process method had calculated it 25 and 21 percent. Based on the results, the both methods have the same capability to estimate the potential of flooding, but for comparison of sub-catchments, the analytic hierarchy process method is recommended, whereas the analytic network process method is recommended for studying one sub-catchment and spatial variations of flooding. Moreover, the analytic hierarchy process method is simpler than analytic network process method to estimate the potential of flooding.
Language:
English
Published:
International Journal of Human Capital in Urban Management, Volume:2 Issue: 3, Summer 2017
Pages:
189 to 202
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