期刊
HYDROLOGICAL PROCESSES
卷 36, 期 6, 页码 -出版社
WILEY
DOI: 10.1002/hyp.14596
关键词
artificial intelligence; deep learning; machine learning; modelling objective; policy support; predication; process-based modelling; scenarios; scientific discovery
资金
- IAS Vanguard Fellowship
- Natural Sciences and Engineering Research Council of Canada
Machine learning applications in Earth and environmental sciences have evolved separately from traditional process-based modeling paradigms. Overcoming cultural barriers and exploring the strengths and weaknesses of both approaches are essential for developing a coevolutionary approach to model building.
Machine learning (ML) applications in Earth and environmental sciences (EES) have gained incredible momentum in recent years. However, these ML applications have largely evolved in 'isolation' from the mechanistic, process-based modelling (PBM) paradigms, which have historically been the cornerstone of scientific discovery and policy support. In this perspective, we assert that the cultural barriers between the ML and PBM communities limit the potential of ML, and even its 'hybridization' with PBM, for EES applications. Fundamental, but often ignored, differences between ML and PBM are discussed as well as their strengths and weaknesses in light of three overarching modelling objectives in EES, (1) nowcasting and prediction, (2) scenario analysis, and (3) diagnostic learning. The paper ponders over a 'coevolutionary' approach to model building, shifting away from a borrowing to a co-creation culture, to develop a generation of models that leverage the unique strengths of ML such as scalability to big data and high-dimensional mapping, while remaining faithful to process-based knowledge base and principles of model explainability and interpretability, and therefore, falsifiability.
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