#18 Black and White Aerial Photo

>Source:http://historicaltextarchive.com/beaches/42stjohns2.JPG

A basic form of remote sensing is black and white aerial photography. This picture was taken by a satellite above an area between Jacksonville and the Atlantic Ocean. Whenever this picture was taken this particular area was sparsely populated. There is contrast between bodies of water and landmasses.

#17 Infrared Aerial Photo

>Source: http://www.fas.org/irp/imint/docs/rst/Sect10/originals/Fig10_7.gif

This infrared aerial image is an aerial picture of Harrisburg, PA. This type of image can be used to see where vegetation exists. Both waterways and roads are clearly distinguishable. Because colors are not true in value a method was used called false color infrared imagery.