Tuesday, July 24, 2012

Isopleth Map

http://t3.gstatic.com/images?q=tbn:ANd9GcTQ3wIdHzHm5VwDsbgI684c-ZOArW8044Jd3sb4i59iwFDU7diZ0Pbnw1Nd

This map uses contour lines as well but this kind of map uses the contour lines to show equal numerical values but usually in terms of population or geographic area. The example shown is using contour lines to represent the amount of gravel sized detritus in an area. Contour lines can be used for several different map types so it is important to know what kind of map you are looking at before observing as to not confuse them.

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