Temporal changes in rainfall intensity–duration thresholds for post-wildfire flash floods in southern California
Abstract 2 watershed in southern California, USA. Prior work in this study area constrains temporal changes in hydrological model parameters, allowing us to estimate temporal changes in ID thresholds. The results indicate that ID thresholds increase by more than a factor of 2 from post-fire year 1 to post-fire year 5. Thresholds based on averaging rainfall intensity over durations of 15–60 min perform better than those that average rainfall intensity over shorter time intervals. Moreover, thresholds based on the 75th percentile of radar-derived rainfall intensity over the watershed perform better than thresholds based on the 25th or 50th percentile of rainfall intensity. Results demonstrate how hydrological models can be used to estimate changes in ID thresholds following disturbance and provide guidance on the rainfall metrics that are best suited for predicting post-fire flash floods.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Temporal changes in rainfall intensity–duration thresholds for post-wildfire flash floods in southern California ; volume:22 ; number:2 ; year:2022 ; pages:361-376 ; extent:16
Natural hazards and earth system sciences ; 22, Heft 2 (2022), 361-376 (gesamt 16)
- Creator
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Liu, Tao
McGuire, Luke A.
Oakley, Nina
Cannon, Forest
- DOI
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10.5194/nhess-22-361-2022
- URN
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urn:nbn:de:101:1-2022021704283799077271
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:28 AM CEST
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Associated
- Liu, Tao
- McGuire, Luke A.
- Oakley, Nina
- Cannon, Forest
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