4 November 2004 Cloud properties observed by Global Imager (GLI)
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Abstract
The data analyses of the ADEOS-II (Midori-II) GLI data have started. The optical and microphysical properties of warm water and cold ice clouds were retrieved by use of originally developed GLI data analysis algorithms. On the one-month mean results of warm water cloud in April 2003, very thick cloud optical thickness appeared in the east coast of the North America, the East Europe, and the South-East Asia. The moderately optically thick area spread over the Atlantic Ocean and West to Middle Pacific oceans. The effective radius was smaller on the continents and coastal area than ocean area. Especially, the South-East Asia to the middle pacific area where often covered with aerosols coming from continent in April, is the region of the smaller cloud effective particles. For the cirrus clouds, the smaller effective radii and larger effective radii can be obtained in low-to-mid and mid-to-high latitude area, respectively. Very low cloud top temperatures around 210K were often observed in the tropics. Warmer cloud top temperatures ranging from 220 to 240K were widely seen both over continental and oceanic area in mid-to-high latitude area.
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Takashi Y. Nakajima, Teruyuki Nakajima, Shuichiro Katagiri, Tamio Takamura, Itaru Okada, "Cloud properties observed by Global Imager (GLI)", Proc. SPIE 5570, Sensors, Systems, and Next-Generation Satellites VIII, (4 November 2004); doi: 10.1117/12.565268; https://doi.org/10.1117/12.565268
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