Detection of Large-Scale Floods Using Google Earth Engine and Google Colab

Johary, Rosa; Révillion, Christophe; Catry, Thibault; Alexandre, Cyprien; Mouquet, Pascal; Rakotoniaina, Solofoarisoa; Pennober, Gwenaëlle; Rakondraompiana, Solofo

doi:10.20944/preprints202309.1375.v1

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Detection of Large-Scale Floods Using Google Earth Engine and Google Colab

Published in Preprints.org • Sep 20, 2023

Authors:

Rosa Johary

Christophe Révillion

Thibault Catry

Abstract

This paper presents an operational approach for detecting floods and establishing flood extent using Sentinel-1 radar imagery with Google Earth Engine. Flooded areas are identified using a change-detection method based on the normalized difference. The HAND algorithm is used to delineate zones for p...

Subject

Flood myth

Radar

Computer science

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