Multi-modal Spatio-Temporal Transformer for High-resolution Land Subsidence Prediction

• URL: http://arxiv.org/abs/2509.25393v2
• Date: Wed, 01 Oct 2025 11:00:59 GMT
• Title: Multi-modal Spatio-Temporal Transformer for High-resolution Land Subsidence Prediction
• Authors: Wendong Yao, Binhua Huang, Soumyabrata Dev,
• Abstract summary: We propose a novel framework that fuses dynamic displacement data with static physical priors.<n>On the public EGMS dataset, MM-STT establishes a new state-of-the-art, reducing the long-range forecast RMSE by an order of high magnitude.
• Score: 3.3295066998131637
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Forecasting high-resolution land subsidence is a critical yet challenging task due to its complex, non-linear dynamics. While standard architectures like ConvLSTM often fail to model long-range dependencies, we argue that a more fundamental limitation of prior work lies in the uni-modal data paradigm. To address this, we propose the Multi-Modal Spatio-Temporal Transformer (MM-STT), a novel framework that fuses dynamic displacement data with static physical priors. Its core innovation is a joint spatio-temporal attention mechanism that processes all multi-modal features in a unified manner. On the public EGMS dataset, MM-STT establishes a new state-of-the-art, reducing the long-range forecast RMSE by an order of magnitude compared to all baselines, including SOTA methods like STGCN and STAEformer. Our results demonstrate that for this class of problems, an architecture's inherent capacity for deep multi-modal fusion is paramount for achieving transformative performance.

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