Monday, January 24, 2011

Isoline Map

 An isoline map is a map showing continuous lines which join points of the same  value. Maps showing contour or elevations use isolines. Nautical charts use isolines to show the depth of water.
Weather maps use isolines to represent barometric pressure, wind speed, and termperature.



This weather map uses isolines to show barometric pressures in the United States.

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