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  "Description": "Computes discrete fast Fourier transform of river\ndischarge data and the derived metrics. The methods are\ndescribed in J. L. Sabo, D. M. Post (2008)\n<doi:10.1890/06-1340.1> and J. L. Sabo, A. Ruhi, G. W.\nHoltgrieve, V. Elliott, M. E. Arias, P. B. Ngor, T. A.\nRäsänsen, S. Nam (2017) <doi:10.1126/science.aao1053>.",
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