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- W2370894872 abstract "Wild fire disasters are dangerous threats to Tibetan Plateau forests and grassland, and forest fire risk assessment is an important part of forest fire prevention. Here, a quantitative evaluation of forest fire risk was divided over the Tibetan Plateau using meteorological,geographical, vegetation and social factors. The meteorological factor was calculated using precipitation, maximum temperature, relative humidity, average wind speed, snow days and thunderstorm days. Geographical factor was calculated by elevation, slope and aspect. Vegetation was calculated by land cover vegetation data including vegetation types and normalized difference vegetation index(NDVI). Social factor showed the impact of human activities on forest fire and was calculated by transportation, population and residence. The highest meteorological risk factors were located in southeastern plateau where less than 10% of annual precipitation falls during the forest fire period and the area has fewer snow days. The geographical risk factor decreases from southeast to northwest. The highest vegetation risk factor was located in the southeastern region and south of the Himalayan with subtropical and tropical moist mixed conifer forest. The highest social risk factors were located in the middle of the Yarlung Zangbo River basin. Fire risk is divided into five categories: very low, low, medium, high and very high risk, accounting for 40.2%,38.5%, 14.4%, 5.1% and 1.8%, respectively. The spatial distribution is higher in the east than west,and south than north. Finally, 96 fire point data from fire monitoring bulletin from 2001 to 2012was evaluated for risk zoning contrast. The fire danger rating area ratio of the probability of forest fires from very high to very low was 9.8 : 5.7 : 3.0 : 0.2 : 0." @default.
- W2370894872 created "2016-06-24" @default.
- W2370894872 creator A5053060331 @default.
- W2370894872 date "2013-01-01" @default.
- W2370894872 modified "2023-09-23" @default.
- W2370894872 title "Risk Assessment of Forest Fire Disasters on the Tibetan Plateau Based on GIS" @default.
- W2370894872 hasPublicationYear "2013" @default.
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