Integrating Bayesian methods with neural networks for enhanced climatology models

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Abstract The increasing complexity of climate systems and the need for accurate predictive models necessitate innovative approaches to enhance climatology models. This manuscript investigates the coupling of these two techniques in an attempt to leverage the individual strengths. Bayesian approaches offer a robust probabilistic framework for uncertainty estimation and prior knowledge integration, whereas NN are powerful in espying complex structures from vast amounts of data. To address these shortcomings, a new Hybrid Bayesian Neural Network (HBNN) model is proposed that combines these techniques to produce a more robust and accurate tool for climate predictions. This framework enhances the prediction of climate projections and refines the representation of fine-scale climate variations, demonstrating its applicability to improving climate model resolution. It describes the methodology, such as the data collection for the training, the model architectures used, and the testing methods implemented, as well as any potential improvements and applications for this advanced climate modelling technique. In conclusion, this study demonstrates the innovative capabilities of the HBNN model to enhance the performance and reliability of climate scientific modelling. This is a better alternative for more credible climate forecasting applications given the model’s ability to capture and quantify uncertainties well. This paper discusses the practical applications of such an approach, demonstrating its relevance for decision making regarding climate and its use as a tool to support readiness and response to the impact of climate change.

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