Date of Publication

2020 12:00 AM

Security Theme

Extreme Events

Keywords

srhreports, naturaldisasters, country-guatemala, multi-hazard environment, Guatemala, natural hazard classification scheme, natural hazards, regional interaction framework, hazard sub-type

Description

An interdisciplinary approach to developing comprehensive, systematic, and evidenced visual syntheses of potential natural-hazard interactions at regional scales (or regional interaction frameworks) is presented. Frameworks can help with understanding the multi-hazard environment of a specific spatial extent. We explain our approach and apply this in Guatemala, developing regional interaction frameworks for national and sub-national (southern Guatemalan Highlands) spatial extents. The frameworks are constructed and populated using five evidence types relevant to natural-hazard interactions: (A) internationally accessible literature, (B) locally accessible civil-protection bulletins, (C) field observations, (D) stakeholder interviews, and (E) a stakeholder workshop. These five evidence types were synthesized to determine an appropriate natural-hazard classification scheme for Guatemala, with 6 natural-hazard groups, 19 hazard types, and 37 hazard sub-types. For a national spatial extent in Guatemala, we proceed to construct and populate a regional interaction framework (matrix form), identifying 50 possible interactions between 19 hazard types. For a sub-national spatial extent (southern Guatemalan Highlands), we construct and populate a regional interaction framework (matrix form), identifying 114 possible interactions between 33 hazard sub-types relevant in the southern Guatemalan Highlands. We also use this evidence to explore networks of multi-hazard interactions (cascades) and anthropogenic processes that can trigger natural hazards. We present this information through accessible visualizations to improve understanding of multi-hazard interactions in Guatemala. We believe that our regional interaction framework's approach to multi-hazards is scalable, working at global to local scales with differing resolutions of information. Our approach can also be replicated in other geographical settings. We demonstrate how regional interaction frameworks and the discussion of potential scenarios arising from them can help with enhancing the cross-institutional dialogue on multi-hazard interactions and their likelihood and potential impacts. We review future research directions and steps to embed interaction frameworks into agencies contributing to the implementation of the Sendai Framework for Disaster Risk Reduction.

Comments

© Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License.

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Jan 1st, 12:00 AM

Construction of regional multi-hazard interaction frameworks, with an application to Guatemala

An interdisciplinary approach to developing comprehensive, systematic, and evidenced visual syntheses of potential natural-hazard interactions at regional scales (or regional interaction frameworks) is presented. Frameworks can help with understanding the multi-hazard environment of a specific spatial extent. We explain our approach and apply this in Guatemala, developing regional interaction frameworks for national and sub-national (southern Guatemalan Highlands) spatial extents. The frameworks are constructed and populated using five evidence types relevant to natural-hazard interactions: (A) internationally accessible literature, (B) locally accessible civil-protection bulletins, (C) field observations, (D) stakeholder interviews, and (E) a stakeholder workshop. These five evidence types were synthesized to determine an appropriate natural-hazard classification scheme for Guatemala, with 6 natural-hazard groups, 19 hazard types, and 37 hazard sub-types. For a national spatial extent in Guatemala, we proceed to construct and populate a regional interaction framework (matrix form), identifying 50 possible interactions between 19 hazard types. For a sub-national spatial extent (southern Guatemalan Highlands), we construct and populate a regional interaction framework (matrix form), identifying 114 possible interactions between 33 hazard sub-types relevant in the southern Guatemalan Highlands. We also use this evidence to explore networks of multi-hazard interactions (cascades) and anthropogenic processes that can trigger natural hazards. We present this information through accessible visualizations to improve understanding of multi-hazard interactions in Guatemala. We believe that our regional interaction framework's approach to multi-hazards is scalable, working at global to local scales with differing resolutions of information. Our approach can also be replicated in other geographical settings. We demonstrate how regional interaction frameworks and the discussion of potential scenarios arising from them can help with enhancing the cross-institutional dialogue on multi-hazard interactions and their likelihood and potential impacts. We review future research directions and steps to embed interaction frameworks into agencies contributing to the implementation of the Sendai Framework for Disaster Risk Reduction.

 
 

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