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From Wikipedia, the free encyclopedia
Ground fog is a name given to fog that forms a shallow layer near the ground, sometimes just tens of centimeters thick. It can form due to warm air moving over a colder surface (advection fog), or at night due to the escape of thermal radiation into space (radiation fog). This scene is in East Frisia, Germany just after sunrise.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Nebelostfriesland.jpg/640px-Nebelostfriesland.jpg)
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