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).

引用

页码：492 / 499

页数：7

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