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Published byColton Ainley Modified over 10 years ago
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APPLICATIONS OF METEOSAT SECOND GENERATION (MSG) RGB COMPOSITES WITH CHANNEL 12 AND THEIR INTERPRETATION
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In order to preserve the high resolution of the HRV channel, it should be assigned to 2 colours The HRV has a three times higher resolution than the other channels, i.e. a zoom factor of 3 is needed for the IR channels RGBs with the HRV Channel: Introduction
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Recommended Range and Enhancement: BeamChannelRangeGamma Red12 (HRV)0 …+100 %1.7 Green12 (HRV)0... +100 %1.7 Blue09i (IR10.8i)+323... +203 K1.0 RGB 12,12,09i ("HRV Clouds")
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Ch.12 HRV Ch.12 HRV Ch.09i IR10.8i
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Colour Interpretation of RGB 12,12,09i Images
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Example: river valley fog over Germany
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Example: severe convective storms over Spain
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Comparison HRV vs RGB 12,12,09i MSG-1, 13 June 2003, 14:00 UTC The RGB 12,12,09i helps to detect thin Ci clouds and to distinguish between thick Cb clouds and Ci anvils
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