Water, Wastewater & Stormwater

Oral

387155 - A New Perspective on BMPs’ Application for Coastal Flood Preparedness

Tuesday, June 5
2:00 PM - 3:30 PM
Location: Greenway EF
Co-Authors: Mahkameh Taheri, Tehran, Iran – University of Tehran; Koushan Mohammadi, Tehran, Iran – University of Tehran; Zahra Heydari, Tehran, Iran – University of Tehran; Helia Farzaneh, Tehran, Iran – University of Tehran;

Due to increasing vulnerability of societies in coastal areas, particularly in the east coast of the United States, flood management issues have been the focus of many investigations. In this study, the ideas generated for the aftermath of Superstorm sandy in a national competition entitled Rebuild by Design have been evaluated utilizing BMPs (Best Management Practices). Task one in this regard is to analysis flood data. Due to climate change and human interventions, stationary assumption are not always valid for simulation and prediction of actual flood events of different return periods. So the nonstationary analysis has been applied to define the frequency occurrence of flood events. The impact of storm surges on coastal infrastructures is a major threat for functioning of coastal cities. So it is necessary to provide a systems’ approach to set strategies to improve the performance of the elements of a system such as waste water treatment facilities. Then the reliability index is used to determine systems’ functioning by load and resistance methods utilizing a Multiple Criteria Decision Making (MCDM) techniques. After that, adaptive strategies are suggested to reduce the load. Performance index for these categories is defined considering related criteria and sub-criteria. The efficiency of a selected BMP as a multilayer levee is also evaluated. Finally, a conceptual design has been introduced to make the proposed structures more reliable for flood risk management. The methodology outlined in this paper can be utilized for other urban coastal settings to plan for flood preparedness.

Mohammed Karamouz, PhD

Professor
College of Engineering

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