基于遥感和GIS的内蒙古乌达矿区煤火变化监测研究

Remote Sensing Information(2005)

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Abstract
以1997年TM和2002年ETM+热红外及多光谱遥感影像作为基本信息源,利用多时相热红外影像的煤田火灾识别技术及GIS技术提取煤火信息,通过叠置分析研究了煤田火灾随时间的变化过程.结果显示,1997~2002年期间,内蒙古乌达矿区煤火发生了显著变化,煤火范围逐渐扩大,煤火强度逐渐增强,平均每年增加煤火面积达6 210m2.
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Key words
coalfield fire monitoring,wuda mining area,remote sensing,inner mongolia
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