Sunday, December 5, 2010

ISOPLETHS

An isopleth maps generalizes and simplifies data with a continuous distribution. This map shows the data as a third dimension. This map indicates the measurements of acid rainfall in the United States by evaluating the pH level of rain in different areas.
URL: http://dwb4.unl.edu/Chem/CHEM869V/CHEM869VLinks/nadp.sws.uiuc.edu/isopleths/maps1998/phfield.gif

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