Three-dimensional thermal-imaging methodology for detecting underground coal fires
Published:January 01, 2007
Zhang Jianmin, Huan Zhongdan, Sun Yujing, Tian Yuan, Stefan Voigt, Zhao Xuejun, 2007. "Three-dimensional thermal-imaging methodology for detecting underground coal fires", Geology of Coal Fires: Case Studies from Around the World, Glenn B. Stracher
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The study of underground coal fires in China began in the 1960s. The huge loss of coal resources and the ecological disasters caused by coal fires in northern China promoted the study of these fires. Various remote-sensing methods are used to detect ground anomalies due to underground fires. However, locating these fires using remote-sensing data is a difficult task. Ground thermal anomalies are useful for locating underground coal fires. Thermal-geological models link ground thermal anomalies to underground fires. A method of point-source inversion is applicable to a simplified model for the inverse locations of underground coal fires. When tested with data from the Wuda area in the inner Mongolia Autonomous Region of China, this method exhibits encouraging results.
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Geology of Coal Fires: Case Studies from Around the World
The “sedimentary cover” refers to the stratified rocks of youngest Proterozoic and Phanerozoic age that rest upon the largely crystalline basement rocks of the continental interior. The early chapters of the volume present data and interpretations of the geophysics of the craton and summarize, with sequential maps, the tectonic evolution of the craton. The main body of the text and accompanying plates and figures present the stratigraphy, structural history, and economic geology of specific sedimentary basins (e.g., Appalachian basin) and regions (e.g., Rocky Mountains). The volume concludes with a summary chapter in which the currently popular theories of cratonal tectonics are discussed and the unresolved questions are identified.