GTS_Forecaster: a novel deep learning based geodetic time series forecasting toolbox with python

• URL: http://arxiv.org/abs/2509.10560v1
• Date: Wed, 10 Sep 2025 06:33:09 GMT
• Title: GTS_Forecaster: a novel deep learning based geodetic time series forecasting toolbox with python
• Authors: Xuechen Liang, Xiaoxing He, Shengdao Wang, Jean-Philippe Montillet, Zhengkai Huang, Gaël Kermarrec, Shunqiang Hu, Yu Zhou, Jiahui Huang,
• Abstract summary: We introduce GTS Forecaster, an open-source Python package for geodetic time series forecasting.<n>It integrates advanced deep learning models to effectively model nonlinear spatial-temporal patterns.<n> GTS Forecaster supports forecasting, visualization, and evaluation of outlier datasets.
• Score: 13.397971255488365
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Geodetic time series -- such as Global Navigation Satellite System (GNSS) positions, satellite altimetry-derived sea surface height (SSH), and tide gauge (TG) records -- is essential for monitoring surface deformation and sea level change. Accurate forecasts of these variables can enhance early warning systems and support hazard mitigation for earthquakes, landslides, coastal storm surge, and long-term sea level. However, the nonlinear, non-stationary, and incomplete nature of such variables presents significant challenges for classic models, which often fail to capture long-term dependencies and complex spatiotemporal dynamics. We introduce GTS Forecaster, an open-source Python package for geodetic time series forecasting. It integrates advanced deep learning models -- including kernel attention networks (KAN), graph neural network-based gated recurrent units (GNNGRU), and time-aware graph neural networks (TimeGNN) -- to effectively model nonlinear spatial-temporal patterns. The package also provides robust preprocessing tools, including outlier detection and a reinforcement learning-based gap-filling algorithm, the Kalman-TransFusion Interpolation Framework (KTIF). GTS Forecaster currently supports forecasting, visualization, and evaluation of GNSS, SSH, and TG datasets, and is adaptable to general time series applications. By combining cutting-edge models with an accessible interface, it facilitates the application of deep learning in geodetic forecasting tasks.

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