FLOOD INUNDATION MAPPING USING GIS AND REMOTE SENSING TECHNIQUES

Abstract

Floods are water-induced disasters that cause temporary inundation of dry land, causing serious damage in the affected area such as loss of life, property, and infrastructure destruction. Knowing that floods are a natural part of human life and that they cannot be completely controlled, it is critical to focus on this issue and improve knowledge about damage prevention. To accomplish this goal, a more specific and scientific model for understanding flooding phenomena and their related geographical, hydrological, and geomorphologic causes must be developed. The global impact of floods on people has resulted in resident mitigation to reduce the associated risk of floods to a manageable level, if not eliminate its negative impact. The identification of flood-prone areas is the first step in flood risk management. The scientific technique of GIS was used in this study to identify flood-risk areas in Delhi. The purpose of this thesis is to develop flood inundation mapping for South Delhi using GIS and remote sensing techniques. The primary goal of this research is to create an accurate and reliable flood inundation map for Delhi by combining GIS and remote sensing. The global impact of floods on people has resulted in the mitigation of residents to reduce the associated risk of floods to a manageable level, if not eliminate its negative impact. Flood risk management begins with the identification of flood-prone areas. This study used the scientific technique of GIS to identify flood-risk areas in Delhi. This thesis focuses on the creation of flood inundation mapping for South Delhi using GIS and remote sensing techniques. The primary goal of this research is to create an accurate and dependable flood inundation map for Delhi by combining GIS and remote sensing. iv The results of this study demonstrate that the proposed methodology is effective for creating accurate and reliable flood inundation maps using GIS and remote sensing techniques. The validation results indicate that the developed flood inundation map has a high level of accuracy. The findings of this study could be useful for flood management and disaster preparedness planning in Delhi and other similar areas. The study also sheds light on the vulnerability of critical infrastructure in Delhi to flooding, such as transport networks, power plants, and hospitals.