Research Article
Application of the Artificial Neural Network and Support Vector Machines in Forest Fire Prediction in the Guangxi Autonomous Region, China
Table 3
Overview of independent variables.
| | Influencing factors | Independent variable | Symbol | Variable type |
| | Location | Longitude (°) | Lon | Continuous variable | | Latitude (°) | Lat | Continuous variable | | Altitude (m) | Alt | Continuous variable | | Slope (°) | Slo | Categorical variable | | Aspect | Asp | Categorical variable | | Meteorology | Average surface temperature (°C) | Avst | Continuous variable | | Daily maximum surface temperature (°C) | Mast | Continuous variable | | Daily minimum surface temperature (°C) | Mist | Continuous variable | | Cumulative precipitation at 20-20 (mm) | Pre | Continuous variable | | Average station pressure (hPa) | Spr | Continuous variable | | Average relative humidity (%) | Arh | Continuous variable | | Minimum relative humidity (%) | Mrh | Continuous variable | | Hours of sunshine (h) | Suh | Continuous variable | | Average temperature (°C) | Ate | Continuous variable | | Daily maximum temperature (°C) | Mate | Continuous variable | | Daily minimum temperature (°C) | Mite | Continuous variable | | Average wind speed (m/s) | Aws | Continuous variable | | Maximum wind speed (m/s) | Mws | Continuous variable | | Infrastructure | Distance between fire point and railway (m) | Ral | Continuous variable | | The shortest distance from the fire point to the water system (m) | Wat | Continuous variable | | Distance from fire point to highway (m) | Hig | Continuous variable | | Closest distance from fire point to residential area (m) | Set | Continuous variable | | Social humanity | Population | Pop | Continuous variable | | GDP | GDP | Continuous variable | | Special festival | Sfe | Categorical variable | | Vegetation | NDVI | NDVI | Continuous variable |
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