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Network Elongation and the Bifurcation Ratio

Rob Ferguson
Area
Vol. 7, No. 2 (1975), pp. 121-124
Stable URL: http://www.jstor.org/stable/20000982
Page Count: 4
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Network Elongation and the Bifurcation Ratio
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Abstract

Least-squares and geometric-mean bifurcation ratios are identical for 3rd-order networks and very similar for higher orders. They provide only a crude elongation index, determined by basin magnitude and order. Elongation is hydrologically relevant via the distribution over links of network length, better summarized by Jarvis's E index or, almost equivalently, mean length.

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