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| Fire Weather Index× | Rothermel brandmodell× | |
|---|---|---|
| Ämnesområde | Skogsvetenskap | Skogsvetenskap |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1987 | 1972 |
| Upphovsperson≠ | Cornelius Van Wagner | Richard Rothermel |
| Typ≠ | weather-based fire danger system | fire propagation model |
| Ursprungskälla≠ | Van Wagner, C. E. (1987). Development and structure of the Canadian Forest Fire Weather Index System. Canadian Forestry Service Publication 1333. link ↗ | Rothermel, R. C. (1972). A mathematical model for predicting fire spread in wildland fuels. Research Paper INT-115, USDA Forest Service Intermountain Research Station. link ↗ |
| Alias | FWI, Canadian Fire Weather Index | fire spread model, BEHAVE model |
| Närliggande≠ | 2 | 3 |
| Sammanfattning≠ | The Fire Weather Index (FWI) System, developed by the Canadian Forest Service, is a comprehensive weather-based fire danger rating system consisting of six component indices and an overall Fire Weather Index. It uses daily weather observations (temperature, relative humidity, wind speed, and precipitation) to estimate fine-fuel moisture, fire behavior, and risk. The FWI System is used operationally across Canada, many U.S. states, and internationally for fire management decisions and fire danger forecasting. | The Rothermel fire spread model, developed by Richard Rothermel in 1972, is a mechanistic mathematical model that predicts the rate of fire spread through surface fuels using fuel characteristics, weather, and topography. It forms the theoretical foundation of the BEHAVE fire modeling system used operationally by fire agencies worldwide. The model integrates principles from combustion physics, heat transfer, and fuel science to quantify how fire intensity, fuel moisture, wind, and slope interact to drive wildfire propagation. |
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