Research Article

Fire Prediction Based on CatBoost Algorithm

Table 2

Importance index of wildfire impact factors.

Land surface temperature37.61
Distance from the road7.31
Maximum wind speed6.51
Slope5.15
Aspect (NE)0.63
Aspect (SW)0.58
Aspect (N)0.54
Precipitation0.37
Wind direction (SW)0.29
Aspect (E)0.16
Wind direction (SE)0.07
Wind direction (NNE)0.00
Wind direction (ENE)0.00
Normalized infrared index 79.83
Maximum temperature6.76
Normalized vegetation index6.24
Wind direction (WSW)0.67
Aspect (N)0.62
Aspect (NW)0.55
Grass0.44
Aspect (W)0.35
Wind direction (SSE)0.28
Wind direction (W)0.16
Wind direction (E)0.06
Wind direction (NNW)0.00
Wind direction (N)0.00
Elevation9.69
Distance from cultivated land6.63
Average relative humidity5.84
Wind direction (S)0.65
Aspect (SE)0.62
Woodland0.55
Cultivable land0.42
Wind direction (WNW)0.32
Wind direction (SSW)0.27
Wind direction (ESE)0.12
Wind direction (NW)0.04
Wind direction (NE)0.00
Aspect (flag)0.00