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Title: Early Warning Systems and Their Role in Disaster Risk Reduction
Authors: Trogrlic, Robert Sakic
Homberg, Marc Van den
Budimir, Mirianna
McQuistan, Colin
Sneddon, Alison
Golding, Brian
Keywords: Flood Control::Early warning system, पूर्वचेतावनी प्रणाली, Sistema de alerta temprana, আগাম সতর্কীকরণ ব্যবস্থা
Issue Date: 21-Jun-2022
Publisher: Springer
Abstract: In this chapter, we introduce early warning systems (EWS) in the context of disaster risk reduction, including the main components of an EWS, the roles of the main actors and the need for robust evaluation. Management of disaster risks requires that the nature and distribution of risk are understood, including the hazards, and the exposure, vulnerability and capacity of communities at risk. A variety of policy options can be used to reduce and manage risks, and we emphasise the contribution of early warnings, presenting an eight-component framework of people-centred early warning systems which highlights the importance of an integrated and all-society approach. We identify the need for decisions to be evidence-based, for performance monitoring and for dealing with errors and false information. We conclude by identifying gaps in current early warning systems, including in the social components of warning systems and in dealing with multi-hazards, and obstacles to progress, including issues in funding, data availability, and stakeholder engagement.
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