Volume 36 Issue 8
Aug.  2011
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XU Hanqiu, ZHANG Tiejun, LI Chunhua. Cross Comparison of Thermal Infrared Data Between ASTER and Landsat ETM~+ Sensors[J]. Geomatics and Information Science of Wuhan University, 2011, 36(8): 936-940.
Citation: XU Hanqiu, ZHANG Tiejun, LI Chunhua. Cross Comparison of Thermal Infrared Data Between ASTER and Landsat ETM~+ Sensors[J]. Geomatics and Information Science of Wuhan University, 2011, 36(8): 936-940.
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Cross Comparison of Thermal Infrared Data Between ASTER and Landsat ETM~+ Sensors

  • 1 College of Environment and Resources,Fuzhou University,2 Xueyuan Road,Fuzhou 350108,China;2 Institute of Remote Sensing Information Engineering,Fuzhou University,2 Xueyuan Road,Fuzhou 350108,China

Funds: 福建省自然科学基金资助项目(2007J0132);国家自然科学基金资助项目(40371107)
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  • Received Date: June 14, 2011
  • Published Date: August 04, 2011
    Graphical Abstract
    • Abstract
  • A tandem cross calibration between ASTER's and Landsat ETM+'s thermal data was carried out.Three simultaneous TIR image pairs of the two sensors,each of which imaged on common ground targets,were used to quantitatively compare the thermal quality ofthe two sensors.The comparison has been made between Landsat ETM+ band 6 and ASTER bands 13 and 14.The result shows that an excellent agreement between the at-sensor temperatures obtained from both sensors for the TIR band(s).A very strong positive correlation between the two sensors' TIR data has been revealed.However,the at-sensor temperature derived from ASTER thermal images is 0.66 ℃-0.82 ℃,higher than that derived from ETM+ thermal images.In addition,the ASTER TIR images have higher thermal information gain and more continuous measurement on ground thermal targets.
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