Wildfire Exposure and Risk Assessment for Dillingham, Aleknagik, and Igiugig, Alaska

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Wildfire Risk Assessment Report
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Author
Schmidt, Jennifer
Mair, Hannah
Larson, Owen
Delamere, Jen
Keyword
Alaska
Bristol Bay
Wildfire
Risk
Subsistence
Mitigation
Planning
Community
Metadata
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URI
http://hdl.handle.net/11122/16310
Abstract
The purpose of this report is to assess present-day (2024) and future (2054) wildfire hazard, exposure, and vulnerability within the Bristol Bay region. We also provide a wildfire risk assessment for Dillingham, Igiugig, and Aleknagik. These three communities were included explicitly because they are updating their Community Wildfire Protection Plans (CWPP) and/or provided support for this project.
Description
Report documenting a wildfire risk assessment for Dillingham, Aleknagik, and Igiugig, Alaska
Table of Contents
Table of Contents Acknowledgments 4 1 Purpose 5 2 What is Wildfire Risk? 5 3 Bristol Bay Study Area 6 3.1 Wildfire in the Bristol Bay Region 7 4 Wildfire Hazard 8 4.1 2024 Present-Day Vegetation Layer (PDVL) 8 4.1.1 Step 1: Choose baseline data for PDVL 9 4.1.2 Step 2: Account for fire on the landscape 10 4.1.3 Step 3: Account for lichen on the landscape 10 4.1.4 Generating the Final 2024 PDVL 10 4.2 Future Vegetation Layer: 2054 12 4.2.1 Step 1. Account for shrub expansion (shrubification) 12 4.2.2 Step 2. Account for future fires 14 4.3 Flammability Hazard Ratings: 2024 and 2054 15 5 Wildfire Exposure 19 6 Wildfire Vulnerability 22 7 Wildfire Risk 23 8 Regional Analyses 24 8.1 Wildland-Urban Interface (WUI) 24 8.2 Subsistence and Exposure 26 9 Data Resources 29 10 References 29
Date
2026
Publisher
University of Alaska Anchorage, Institute of Social and Economic Research
Type
Report
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