Location

London

Event Website

http://www.csce2016.ca/

Description

The City of Jeddah became lately one of the typical regions that affected by natural hazard. Previous flood that occurred in 2009 was one the most tragic natural disaster in the history of Saudi Arabia, which caused death for more than one hundred people. On 17th of November 2015, Jeddah turned into a disaster zone again due to heavy rainfall and the lack of drainage system. The objectives of the study are (1) To illustrate the hazard areas in the City of Jeddah that need an urgent drainage system; and (2) To evaluate the threats that the City of Jeddah is facing by simulating the floods. In this context, two multi-temporal Landsat 8 images (before and after the flood), Digital Elevation Model (DEM), and rainfall data sets have been analyzed and used to simulate the floods in the City of Jeddah. The study integrates different techniques from remote sensing, Geographic Information System (GIS) and hydrological modelling for flood estimation. All information extracted from the Landsat satellite images, DEM, and rainfall data sets are imported into an existing hydrological model built in Storm Water Management Model (SWMM) software. The designed storm data obtained from the SCS (U.S. Soil Conservation Service) type II is used in SWMM software to calculate the runoff water. The results from the model are used to estimate the amount of water to be collected by the drainage system and further estimate any potential flood hazard based on the topography and the designed drainage water system. The outcome of the study will contribute to the design and development of a robust and comprehensive drainage system for the study area.


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Jun 1st, 12:00 AM Jun 4th, 12:00 AM

NDM-540: THE USE OF REMOTE SENSING TECHNIQUE TO ASSESS FLOOD HAZARD IN CITY OF JEDDAH, SAUDI ARABIA

London

The City of Jeddah became lately one of the typical regions that affected by natural hazard. Previous flood that occurred in 2009 was one the most tragic natural disaster in the history of Saudi Arabia, which caused death for more than one hundred people. On 17th of November 2015, Jeddah turned into a disaster zone again due to heavy rainfall and the lack of drainage system. The objectives of the study are (1) To illustrate the hazard areas in the City of Jeddah that need an urgent drainage system; and (2) To evaluate the threats that the City of Jeddah is facing by simulating the floods. In this context, two multi-temporal Landsat 8 images (before and after the flood), Digital Elevation Model (DEM), and rainfall data sets have been analyzed and used to simulate the floods in the City of Jeddah. The study integrates different techniques from remote sensing, Geographic Information System (GIS) and hydrological modelling for flood estimation. All information extracted from the Landsat satellite images, DEM, and rainfall data sets are imported into an existing hydrological model built in Storm Water Management Model (SWMM) software. The designed storm data obtained from the SCS (U.S. Soil Conservation Service) type II is used in SWMM software to calculate the runoff water. The results from the model are used to estimate the amount of water to be collected by the drainage system and further estimate any potential flood hazard based on the topography and the designed drainage water system. The outcome of the study will contribute to the design and development of a robust and comprehensive drainage system for the study area.

http://ir.lib.uwo.ca/csce2016/London/NaturalDisasterMitigation/29