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Cova TJ, Dennison PE, Li D, et al. Warning Triggers in Environmental Hazards: Who Should Be Warned to Do What and When?. Risk Anal. 2016;37(4):601-611doi: 10.1111/risa.12651.
Cova, T. J., Dennison, P. E., Li, D., Drews, F. A., Siebeneck, L. K., & Lindell, M. K. (2017). Warning Triggers in Environmental Hazards: Who Should Be Warned to Do What and When?. Risk analysis : an official publication of the Society for Risk Analysis, 37(4), 601-611. https://doi.org/10.1111/risa.12651
Cova, Thomas J, et al. "Warning Triggers in Environmental Hazards: Who Should Be Warned to Do What and When?." Risk analysis : an official publication of the Society for Risk Analysis vol. 37,4 (2017): 601-611. doi: https://doi.org/10.1111/risa.12651
Cova TJ, Dennison PE, Li D, Drews FA, Siebeneck LK, Lindell MK. Warning Triggers in Environmental Hazards: Who Should Be Warned to Do What and When?. Risk Anal. 2017 Apr;37(4):601-611. doi: 10.1111/risa.12651. Epub 2016 Jul 13. PMID: 27409767.
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Risk Anal. 2017 Apr;37(4):601-611. doi: 10.1111/risa.12651. Epub 2016 Jul 13.

Warning Triggers in Environmental Hazards: Who Should Be Warned to Do What and When?.

Risk analysis : an official publication of the Society for Risk Analysis

Thomas J Cova, Philip E Dennison, Dapeng Li, Frank A Drews, Laura K Siebeneck, Michael K Lindell

Affiliations

  1. Center for Natural & Technological Hazards and Department of Geography, University of Utah, Salt Lake City, UT, USA.
  2. Department of Psychology, University of Utah, Salt Lake City, Utah, USA.
  3. Department of Public Administration, University of North Texas, Denton, TX, USA.
  4. Department of Urban Design and Planning, University of Washington, WA, USA.

PMID: 27409767 DOI: 10.1111/risa.12651

Abstract

Determining the most effective public warnings to issue during a hazardous environmental event is a complex problem. Three primary questions need to be answered: Who should take protective action? What is the best action? and When should this action be initiated? Warning triggers provide a proactive means for emergency managers to simultaneously answer these questions by recommending that a target group take a specified protective action if a preset environmental trigger condition occurs (e.g., warn a community to evacuate if a wildfire crosses a proximal ridgeline). Triggers are used to warn the public across a wide variety of environmental hazards, and an improved understanding of their nature and role promises to: (1) advance protective action theory by unifying the natural, built, and social themes in hazards research into one framework, (2) reveal important information about emergency managers' risk perception, situational awareness, and threat assessment regarding threat behavior and public response, and (3) advance spatiotemporal models for representing the geography and timing of disaster warning and response (i.e., a coupled natural-built-social system). We provide an overview and research agenda designed to advance our understanding and modeling of warning triggers.

© 2016 Society for Risk Analysis.

Keywords: Hazards; protective actions; warning systems

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