Articles | Volume 28, issue 17
https://doi.org/10.5194/hess-28-4187-2024
Special issue:
https://doi.org/10.5194/hess-28-4187-2024
Opinion article
 | 
12 Sep 2024
Opinion article |  | 12 Sep 2024

HESS Opinions: Never train a Long Short-Term Memory (LSTM) network on a single basin

Frederik Kratzert, Martin Gauch, Daniel Klotz, and Grey Nearing

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Cited articles

Addor, N., Newman, A. J., Mizukami, N., and Clark, M. P.: The CAMELS data set: catchment attributes and meteorology for large-sample studies, Hydrol. Earth Syst. Sci., 21, 5293–5313, https://doi.org/10.5194/hess-21-5293-2017, 2017. a, b, c, d
BAFG: The Global Runoff Data Centre, 56068 Koblenz, Germany, https://www.bafg.de/GRDC (last access: 24 July 2024), 2024. a
Beck, H. E., van Dijk, A. I., De Roo, A., Miralles, D. G., McVicar, T. R., Schellekens, J., and Bruijnzeel, L. A.: Global-scale regionalization of hydrologic model parameters, Water Resour. Res., 52, 3599–3622, 2016. a, b
Frame, J. M., Kratzert, F., Raney, A., Rahman, M., Salas, F. R., and Nearing, G. S.: Post-processing the national water model with long short-term memory networks for streamflow predictions and model diagnostics, J. Am. Water Resour. Assoc., 57, 885–905, 2021. a
Frame, J. M., Kratzert, F., Klotz, D., Gauch, M., Shalev, G., Gilon, O., Qualls, L. M., Gupta, H. V., and Nearing, G. S.: Deep learning rainfall–runoff predictions of extreme events, Hydrol. Earth Syst. Sci., 26, 3377–3392, https://doi.org/10.5194/hess-26-3377-2022, 2022. a, b, c
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Short summary
Recently, a special type of neural-network architecture became increasingly popular in hydrology literature. However, in most applications, this model was applied as a one-to-one replacement for hydrology models without adapting or rethinking the experimental setup. In this opinion paper, we show how this is almost always a bad decision and how using these kinds of models requires the use of large-sample hydrology data sets.
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