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Multi‐Hour‐Ahead Dst Index Prediction Using Multi‐Fidelity Boosted Neural Networks
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2023
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Source: Space Weather, 21(4)
[PDF-3.01 MB]
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Journal Title:Space Weather
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Description:The Disturbance storm time (Dst) index has been widely used as a proxy for the ring current intensity, and therefore as a measure of geomagnetic activity. It is derived by measurements from four ground magnetometers in the geomagnetic equatorial region. We present a new model for predicting Dst with a lead time between 1 and 6 hr. The model is first developed using a Gated Recurrent Unit (GRU) network that is trained using solar wind parameters. The uncertainty of the Dst model is then estimated by using the Accurate and Reliable Uncertainty Estimate method (Camporeale & Carè, 2021, https://doi.org/10.1615/ int.j.uncertaintyquantification.2021034623 ). Finally, a multi-fidelity boosting method is developed in order
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Source:Space Weather, 21(4)
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DOI:
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ISSN:1542-7390;1542-7390;
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Rights Information:CC BY-NC-ND
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Compliance:Library
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