A Novel Framework for Spatio-Temporal Prediction of Environmental Data Using Deep Learning

• URL: http://arxiv.org/abs/2007.11836v2
• Date: Tue, 22 Dec 2020 14:46:24 GMT
• Title: A Novel Framework for Spatio-Temporal Prediction of Environmental Data Using Deep Learning
• Authors: Federico Amato, Fabian Guignard, Sylvain Robert, Mikhail Kanevski
• Abstract summary: We introduce here a framework for decomposed-temporal prediction of climate and environmental data using deep learning. Specifically, we introduce functions which can be spatially and mapped on a regular grid allowing the reconstruction of complete-temporal-signal. Applications on simulated real-world data will show the effectiveness of the proposed framework.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: As the role played by statistical and computational sciences in climate and environmental modelling and prediction becomes more important, Machine Learning researchers are becoming more aware of the relevance of their work to help tackle the climate crisis. Indeed, being universal nonlinear function approximation tools, Machine Learning algorithms are efficient in analysing and modelling spatially and temporally variable environmental data. While Deep Learning models have proved to be able to capture spatial, temporal, and spatio-temporal dependencies through their automatic feature representation learning, the problem of the interpolation of continuous spatio-temporal fields measured on a set of irregular points in space is still under-investigated. To fill this gap, we introduce here a framework for spatio-temporal prediction of climate and environmental data using deep learning. Specifically, we show how spatio-temporal processes can be decomposed in terms of a sum of products of temporally referenced basis functions, and of stochastic spatial coefficients which can be spatially modelled and mapped on a regular grid, allowing the reconstruction of the complete spatio-temporal signal. Applications on two case studies based on simulated and real-world data will show the effectiveness of the proposed framework in modelling coherent spatio-temporal fields.

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