7th Workshop on Forest Fire Management - EARSeL, European ...

78
I - PRE-FIRE PLANNING AND MANAGEMENT
Tech. Rep. RMRS-GTR-153. Fort Collins, CO: U.S. Department of
Agriculture, Forest Service, Rocky Mountain Research Station; 72 p.
Custom fuel model CM 1 CM 2 CM 3 CM 4
Dead 1 hr (Mg ha-1) 3.89 5.68 10.07 12.81
Dead 10 hr (Mg ha-1) 2.43 8.95 3.85 5.33
Dead 100 hr (Mg ha-1) 0.07 0.57 0.62 0.04
Live Herbac. (Mg ha-1) 0.33 0.3 0.36 0.19
Live Woody (Mg ha-1) 2.05 7.89 10.48 12.76
Dead SAV (m-1) 1964 2.427 22.9 2906
Live SAV (m-1) 4464 5609 5847 5578
Fuel Complex depth (m) 0.48 0.7 0.84 1.65
Table 1 - Custom fuel model parameters grouped by cluster analysis.
Fuel type class Producer’s Accuracy (%) User’s Accuracy (%)
Agriculture and pasture 90.00 87.80
High and close maquis 73.68 73.68
Medium height and close maquis 71.43 75.00
Medium maquis 40.00 60.00
Low and open maquis 53.85 58.33
Broad-leaf 60.00 37.50
No Fuel 85.71 85.71
Overall accuracy 72.73% Kappa coefficient 0.67
Table 2 - Confusion matrix.
Resolution map Wind speed 5 km h -1 Wind speed 10 km h -1
(m) Area (ha) ROS (m min -1 ) Area (ha) ROS (m min -1 )
5 73.60 4.77 121.80 7.89
10 94.70 6.20 177.30 9.56
15 111.00 6.31 203.40 9.95
Table 3 - Values of total burned area and mean rate of spread (ROS) provided by FARSITE simulator
for different fuel model map resolution and wind speed.