What is it about?

Here a standalone tool is developed to delineate flood extent from Synthetic Aperture Radar (SAR) images without any human intervention. The novelty of the Tool/algorithm presented in this study lies in its capability of delineating floods from multiple SAR senor images. Also, the friendly Graphical User-Interface (GUI) of the developed tool helps in doing its job effortlessly and rapidly on a timely basis whenever required.

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Why is it important?

Availability of timely information on the spatial extent of the flood-affected area helps the disaster managers to assess the execution of relief and rescue activities. In addition, maps showing the spatial extent of floods are also used in hydraulic models, spatial planning, and for deriving flood hazard maps. Hence, an effective method needs to be developed to generate a flood map in the best possible time.


This is the first algorithm/tool to support SAR images acquired by multiple missions, and its user-friendly GUI makes its intended job super easy.

Sai Kiran Kuntla
Indian Institute of Technology Delhi

Read the Original

This page is a summary of: Development of an Automated Tool for Delineation of Flood Footprints from SAR Imagery for Rapid Disaster Response: A Case Study, Journal of the Indian Society of Remote Sensing, June 2020, Springer Science + Business Media, DOI: 10.1007/s12524-020-01125-4.
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