Infrared Aerial Photography can be used in many different ways. Objects give off infrared radiation, and it is captured on the film. Even though IR cannot be seen, the film turns it into false color that humans can see. Infrared photography can be used to track changes in our environment. For example, this particular photograph is of the Sacramento Deep Water Channel in California. In contrast, black and white aerial photography is also used. However, infrared photography can give much more detail. For example, water reflects differently and is much more pronounced in IR photography. Also, different planets/trees appear differently in IR, so a skilled photographer should be able to distinguish the types of vegetation found in an area.
This photo was taken from http://www.aerialarchives.com/Infrared-Aerial-Photography.htm
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