Fire risk in San Diego County, California: A weighted Bayesian model approach
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Abstract
Fire risk models are widely utilized to mitigate wildfire hazards, but models are often based on expert opinions of less understood fire-ignition and spread processes. In this study, we used an empirically derived weights-of-evidence model to assess what factors produce fire ignitions east of San Diego, California. We created and validated a dynamic model of fire-ignition risk based on land characteristics and existing fire-ignition history data, and predicted ignition risk for a future urbanization scenario. We then combined our empirical ignition-risk model with a fuzzy fire behavior-risk model developed by wildfire experts to create a hybrid model of overall fire risk. We found that roads influence fire ignitions and that future growth will increase risk in new rural development areas. We conclude that empirically derived risk models and hybrid models offer an alternative method to assess current and future fire risk based on management actions.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Fire risk in San Diego County, California: A weighted Bayesian model approach |
| Series title | California Geographer |
| Volume | 47 |
| Year Published | 2007 |
| Language | English |
| Publisher | California Geographical Society |
| Contributing office(s) | Alaska Science Center |
| Description | 19 p. |
| First page | 42 |
| Last page | 60 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |