| Citation: | ZHU Li, REN Zheng-qing. Application of thermal infrared remote sensing technology in geothermal resource survey in Jinzhai County, Anhui Province[J]. Geology and Resources, 2025, 34(1): 70-76. doi: 10.13686/j.cnki.dzyzy.2025.01.008 | 
The extraction of geothermal anomaly information with thermal infrared remote sensing technology can provide important basis for geothermal resource survey. Based on the regional geological background of Jinzhai County, the Landsat 8 TIRS10 band data are adopted for surface temperature inversion by atmospheric correction method, and the GF-1 and GF-2 data for remote sensing interpretation of linear and ring structures. Then, the surface temperature obtained from remote sensing inversion, interpreted linear and ring structures, and other geological conditions as well as the known geothermal data are comprehensively analyzed to delineate geothermal anomaly areas and eliminate false anomalies in combination with relevant judgment factors. Finally, a total of 7 potential geothermal anomaly areas are recognized in the study area, providing a guiding support for the next field survey of geothermal resources.
 
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			        Surface temperature retrieval result of Landsat 8 TIRS10 band
Remote sensing interpretation of linear structures
Remote sensing interpretation of ring structures
Distribution map of linear-ring structures by remote sensing interpretation
The distribution map of potential geothermal anomaly zones