A COMPARISION USING STATISTICAL AND MACHINE LEARNING METHODS FOR STREAMFLOW TIME SERIES

Autores

  • Lourdes Villavicencio
  • David Mendes
  • Felipe Monteiro
  • Lara Andrade
  • Cassia Silva

DOI:

https://doi.org/10.5380/abclima.v26i0.70245

Palavras-chave:

Time-series analysis, Streamflow Forecasting, Neural Networks.

Resumo

This study was carried out in the Sibinacocha lake watershed in the Peruvian Andes. In this region the long-term meteorological data are scarce and there are few studies of flow forecasts. Based on this evidence, in this study we present the monthly flow simulation, using statistical models and data-oriented model, with the purpose of evaluating the performance of these methodologies. The results of the comparative statistical analyses indicated that the data-oriented models, specifically the Recurrent Neural Networks, provided great improvements over the other models applied, specifically the ability to capture the minimum and maximum monthly flow, resulting in excellent statistical values (R2=0.85, d=0.96), thus suggesting this methodology as a possible application for flow forecasts.

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Publicado

04-03-2021

Como Citar

Villavicencio, L., Mendes, D., Monteiro, F., Andrade, L., & Silva, C. (2021). A COMPARISION USING STATISTICAL AND MACHINE LEARNING METHODS FOR STREAMFLOW TIME SERIES. Revista Brasileira De Climatologia, 26. https://doi.org/10.5380/abclima.v26i0.70245

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