地下煤层燃烧的高光谱及高分辨率遥感监测方法
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V19

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中国-德国政府科技合作项目


REMOTE SENSING MONITORING METHOD OF HYPERSPECTRAL AND HIGH-RESOLUTION FOR UNDERGROUND COAL BED COMBUSTION
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    摘要:

    煤田自燃是人类面临的又一重大自然灾害.对地下煤层燃烧过去一直依靠钻孔进行监测,未有有效的监测方法.以内蒙古自治区古拉本矿火区为例,探索了利用高光谱及高分辨率遥感技术进行地下煤层燃烧监测的方法.采用中国科学院上海技术物理研究所研制的OMIS成像光谱仪,获取航空高光谱遥感图像,同时进行地面同步红外定标测温;根据地表特征地物辐射温度与热红外波段DN值的关系,进行图像信息处理、波谱特征分析,建立地面温度反演模型;通过高光谱图象辐射温度反演,结合野外地质调查、地面测试,实现火区燃烧强度定量分析和监测.整个过程可使用QUICKBIRD图像进行区域定位,查明煤田火区分布范围.研究结果表明,利用该方法能全面真实地监测地下煤层燃烧情况.

    Abstract:

    Human beings are confronted with another grievous disaster coal fire. The monitoring on underground coal bed combustion relied on drilling supervising in the past, but this method is not good. By taking the coal fire of Gulaben mine in Inner Mongolia Autonomous Region as an example, the monitoring methods of underground coal bed combustion were explored based on the hyperspectra and high-resolution remote sensing technology. By employing the OMIS imaging apparatus developed by Shanghai Institute of Technical Physics of Chinese Academy of Sciences, the airborne hyperspectral images and the characteristic spectra of different types were obtained and the temperature was measured synchronously on the ground. Then according to the correlation of DN value of the thermal infrared band and surface temperature, the image information was processed, the spectral features were analyzed, and the surface temperature retrieval model was built. Finally, by hyperspectral imagery radiation temperature retrieval combining with the field geological surveys and ground test, the quantitative analysis and monitoring on the fires burning intensity were realized. The QUICKBIRD can be used during the whole course, it helps to find out the coal field fire regions distribution. The research result proves that this method can make us monitor the underground coal combustion situation factually and comprehensivly.

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谭克龙,周日平,万余庆,李先华.地下煤层燃烧的高光谱及高分辨率遥感监测方法[J].红外与毫米波学报,2007,26(5):349~352358]. TAN Ke-Long, ZHOU Ri-Ping, WAN Yu-Qing, LI Xian-Hua. REMOTE SENSING MONITORING METHOD OF HYPERSPECTRAL AND HIGH-RESOLUTION FOR UNDERGROUND COAL BED COMBUSTION[J]. J. Infrared Millim. Waves,2007,26(5):349~352358.]

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  • 收稿日期:2006-11-27
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