Reports

Numerical Comparison of Geomorphic Samples

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Science  20 May 1960:
Vol. 131, Issue 3412, pp. 1525-1526
DOI: 10.1126/science.131.3412.1525

Abstract

The distribution of elevations representing a region can be shown as a cumulative frequency curve plotted on probability paper. Many elevation distributions are "zig-zag" curves which can be represented conveniently by measures of skewness and kurtosis. A plot of skewness versus kurtosis permits the recognition of six major, non-Gaussian forms, with countless gradations.