A Prompt-Guided Spatio-Temporal Transformer Model for National-Wide Nuclear Radiation Forecasting

• URL: http://arxiv.org/abs/2410.11924v1
• Date: Tue, 15 Oct 2024 12:58:57 GMT
• Title: A Prompt-Guided Spatio-Temporal Transformer Model for National-Wide Nuclear Radiation Forecasting
• Authors: Tengfei Lyu, Jindong Han, Hao Liu,
• Abstract summary: Nuclear radiation poses substantial risks to human health and environmental safety. NRFormer is an innovative framework tailored for national-wide prediction of nuclear radiation variations.
• Score: 8.648463333222285
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Nuclear radiation (NR), which refers to the energy emitted from atomic nuclei during decay, poses substantial risks to human health and environmental safety. Accurate forecasting of nuclear radiation levels is crucial for informed decision-making by both individuals and governments. However, this task is challenging due to the imbalanced distribution of monitoring stations over a wide spatial range and the non-stationary radiation variation patterns. In this study, we introduce NRFormer, an innovative framework tailored for national-wide prediction of nuclear radiation variations. By integrating a non-stationary temporal attention module, an imbalance-aware spatial attention module, and a radiation propagation prompting module, NRFormer collectively captures complex spatio-temporal dynamics of nuclear radiation. Extensive experiments on two real-world datasets demonstrate the superiority of our proposed framework against seven baselines. This research not only enhances the accuracy and reliability in nuclear radiation forecasting but also contributes to advancing emergency response strategies and monitoring systems, thereby safeguarding environmental and public health.

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