What factors predict the quality of hazard mitigation plans in Washington State?

Document Type

Article

Publication Date

1-1-2021

Abstract

Hazard mitigation plans can help to reduce communities’ losses when faced with natural hazards, some of which (e.g., floods) are projected to intensify with climate change. A growing body of plan evaluation literature seeks to measure the quality of these plans, given that higher-quality plans may be more likely to achieve their objectives (e.g., reducing a community’s losses from flooding). Processes of collaboration (i.e., joint decision-making by various agencies and stakeholders) and diffusion (i.e., the spread of ideas between jurisdictions over time and space), among others, may influence plan quality, although empirical evidence is limited. This study assessed potential predictors of plan quality for 33 county-level hazard mitigation plans in Washington State, using a combination of survey data, county characteristics, and previously determined plan quality scores. Significant predictors of plan quality included indicators of vertical (state-to-county) and horizontal (county-to-county) diffusion, as well as economic capacity, although indicators of collaborative dynamics, along with several other hypothesized predictors, including past disaster experience (i.e., severity) were not significant. Hazard planning professionals at the federal, state, and local levels may benefit from integrating these findings into future work, in conjunction with other climate change adaptation initiatives. Specifically, fostering peer-to-peer interactions between counties might help to produce and disseminate knowledge about climate solutions.

Publication Title

Climatic Change

DOI

10.1007/s10584-021-02987-4

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