The Image of Miyakejima Island which caught a qualitative change of sulfur-dioxide gas by ASTER TIR data (Sulfur dioxide (SO2) has the absorption characteristic in thermal infrared region.
2000/9/21 day (false color)
2000/11/08 day (false color)
2000/9/21 day (analysis result)
2000/10/05 night (analysis result)
2000/11/8 day (analysis result)
The Observed Image of Sulfur Dioxide (SO2) Emitted from the
Miyakejima Island
(Red shows high concentration.)
About the extraction image of high concentration sulfur dioxide (SO2)
Color scale = E［T11］/Average（E［T10］and E［T12］
only the pixel of <0.494 is displayed.
Background is the gray scale of the TIR band 14.
