Visible Channel

Sun Glint Over Water (Page 5 of 18)

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This animation shows sunglint moving across a water surface viewed with the GOES-8 visible channel. This still image shows sunglint viewed with the GOES-8 visible channel. This image depicts an area of sunglint in the 3.9 micron channel.
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Sun glint is an important phenomenon that must be considered when viewing visible images over water areas. When water surfaces are smooth, reflections as large as 70% occur when the sun and satellite are properly aligned. In the loop, notice the bright region that moves from east to west as the sun moves. The bright region is sun glint and indicates calmer seas. Sun glint is even more pronounced in the 3.9 micron channel.


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