Introduction: Today, due to climate changes, climate risks are the most important challenges and threats to mankind, among which flood is one of the most common hazards. In Iran, due to its geographical location and climatic conditions, this hazard causes loss of lives and enormous financial damages to agricultural land, infrastructure, and settlements of the country every year. Haraz region, as one of the most populous areas in the north of Iran, within the two provinces of Mazandaran and Tehran, with one of the major transportation arteries, is faced with a flood incident each year. Therefore, this study was conducted with the aim to develop a rainfall-runoff model for flood risk management in the main road in Haraz.
Method: The research method was statistical documentary. Due to the purpose and content of the study, the research was ba
Findings: Increasing trend in precipitation of the area, changes in precipitation time until the end of the season, especially in winter and summer, irregularities in the regional climate system, and the effect of global climate changes and global warming were observed. ba
Conclusion: By integrating a geographic information system (GIS) and hydrological models, the interaction effects of physiographic factors and the climate can be studied on the flooding potential of the watersheds. The prioritization of flood potential high risk areas could be performed better through considering the possibility of peak flow, important residential and communication areas, and the role of flood routing in waterways. Considering that the infrastructure of crisis management is prevention, analysis of flood prone areas could be effective in the flood prevention plan. Results of this study were important in the implementation of the flood risk management plans before the crisis.
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