Universality Classes of Optimal Channel Networks

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Science  17 May 1996:
Vol. 272, Issue 5264, pp. 984-986
DOI: 10.1126/science.272.5264.984


Energy minimization of both homogeneous and heterogeneous river networks shows that, over a range of parameter values, there are only three distinct universality classes. The exponents for all three classes of behavior are calculated.