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What Role Does Hydrological Science Play in the Age of Machine Learning?

Water resources research, 2021-03, Vol.57 (3), p.n/a [Peer Reviewed Journal]

2020. American Geophysical Union. All Rights Reserved. ;2021. American Geophysical Union. All Rights Reserved. ;ISSN: 0043-1397 ;EISSN: 1944-7973 ;DOI: 10.1029/2020WR028091

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  • Title:
    What Role Does Hydrological Science Play in the Age of Machine Learning?
  • Author: Nearing, Grey S. ; Kratzert, Frederik ; Sampson, Alden Keefe ; Pelissier, Craig S. ; Klotz, Daniel ; Frame, Jonathan M. ; Prieto, Cristina ; Gupta, Hoshin V.
  • Subjects: Deep Learning ; Flood forecasting ; Hydrologic data ; Hydrologic processes ; Hydrologists ; Hydrology ; Learning algorithms ; Machine Learning ; Modeling ; Rain ; Rainfall ; Rainfall simulators ; River discharge ; Runoff ; Uncertainty
  • Is Part Of: Water resources research, 2021-03, Vol.57 (3), p.n/a
  • Description: This paper is derived from a keynote talk given at the Google's 2020 Flood Forecasting Meets Machine Learning Workshop. Recent experiments applying deep learning to rainfall‐runoff simulation indicate that there is significantly more information in large‐scale hydrological data sets than hydrologists have been able to translate into theory or models. While there is a growing interest in machine learning in the hydrological sciences community, in many ways, our community still holds deeply subjective and nonevidence‐based preferences for models based on a certain type of “process understanding” that has historically not translated into accurate theory, models, or predictions. This commentary is a call to action for the hydrology community to focus on developing a quantitative understanding of where and when hydrological process understanding is valuable in a modeling discipline increasingly dominated by machine learning. We offer some potential perspectives and preliminary examples about how this might be accomplished. Key Points Hydrology lacks scale‐relevant theories, but deep learning experiments suggest that these theories should exist The success of machine learning for hydrological forecasting has potential to decouple science from modeling It is up to hydrologists to clearly show where and when hydrological theory adds value to simulation and forecasting
  • Publisher: Washington: Blackwell Publishing Ltd
  • Language: English
  • Identifier: ISSN: 0043-1397
    EISSN: 1944-7973
    DOI: 10.1029/2020WR028091
  • Source: Wiley Blackwell AGU Digital Library
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