Welcome to the Oxford Research Encyclopedia of Natural Hazard Science

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Letter from the editor

Ecosystem-Based Disaster Risk Reduction

"Disasters and their devastating consequences are increasingly evident in the world. Although nobody can prevent a hazard from occurring, individuals, societies, and governments can take necessary steps to avoid a hazard being transformed to a disaster. It is becoming clear that if sufficient efforts are not made, higher costs and greater losses including lives are inevitable. ..." – By Deepthi Wickramasinghe

Persistent Homology for Land Cover Change Detection

"This article introduces a novel formalism that merges probability theory (applied mathematics) with topology (pure mathematics). This approach incorporates homology theory within a structural hidden Markov model framework for land cover change detection in remote sensing. ..." – By Djamel Bouchaffra and Faycal Ykhlef

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