The Intensity of Wildfires in Fire Emissions Estimates

被引：0
|
作者：
E. I. Ponomarev
E. G. Shvetsov
V. I. Kharuk
机构：
[1] Siberian Branch,Sukachev Institute of Forest
[2] Russian Academy of Sciences,Laboratory for Remote Sensing, Federal Research Center
[3] Krasnoyarsk Scientific Center,undefined
[4] Siberian Branch,undefined
[5] Russian Academy of Sciences,undefined
[6] Siberian Federal University,undefined
来源：
Russian Journal of Ecology | 2018年 / 49卷
关键词：
wildfires; remote sensing; fire radiative power; fire emissions; wildfire monitoring; fire intensity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A method for estimating direct wildfire emissions that considers fire intensity based on infrared radiation data from the Terra/MODIS satellite is proposed. In Siberia, we experimentally established that low intensity fires cover 47 ± 13% of the total area; that with moderate intensity, 42 ± 10%; and that with high-intensity, 10 ± 6%. The average value of wildfire emissions in Siberia is estimated at 83 ± 21 Тg С/yr (2002–2016), which is considerably lower than the values determined by standard procedure (112 ± 25 Тg С/yr). Based on the trend of long-term dynamics of fire emissions in Siberia, a probable level of emissions in 2100 is calculated when implementing climate scenarios RCP2.6, RCP4.0, and RCP8.5 (220, 700, and 2300 Тg С/yr, respectively).
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页码：492 / 499
页数：7
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