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Surface Deformation Prediction in Xining City Based on Multi-Feature BiLSTM Model
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Longjiao WANG1, Shifang ZHANG2, Shangmin ZHAO1, *
Journal of Geodesy and Geodynamics | 2026, 46(9) : 1107 - 1113
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Journal of Geodesy and Geodynamics | 2026, 46(9): 1107-1113
Surface Deformation Prediction in Xining City Based on Multi-Feature BiLSTM Model
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Longjiao WANG1, Shifang ZHANG2, Shangmin ZHAO1, *
Affiliations
  • 1 College of Geological and Surveying Engineering, Taiyuan University of Technology, Taiyuan 030024, China
  • 2 School of Traffic Engineering, Shanxi Vocational University of Engineering Science and Technology, Jinzhong 030619, China
Published: 2026-09-15 doi: 10.14075/j.jgg.2025.12.441
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SBAS-InSAR technology was employed to obtain the land surface deformation distribution in Xining city from October 2020 to November 2024. By integrating static features such as the spatial location of deformation points with dynamic climatic characteristics, a multi-feature-based BiLSTM prediction model was constructed to forecast deformation in areas with typical deformation characteristics. The main conclusions are as follows: 1) The average annual deformation rate in the study area ranges from -48 mm/a to 30.2 mm/a, with a maximum cumulative deformation value reaching -187.2 mm. 2) Compared with the LSTM model, the prediction accuracy of the multi-feature BiLSTM model in three typical deformation areas is improved by up to approximately 32.3%, and it can more accurately identify local details and abrupt change points. At last, the optimal model was used to predict the deformation trends in each typical deformation area for the next six months, providing a reasonable reference for surface deformation monitoring.

surface deformation  /  SBAS-InSAR  /  BiLSTM  /  deformation prediction  /  Xining city
王龙娇, 章诗芳, 赵尚民. 基于多特征BiLSTM模型的西宁市地表形变预测. 大地测量与地球动力学, 2026 , 46 (9) : 1107 -1113 . DOI: 10.14075/j.jgg.2025.12.441
Longjiao WANG, Shifang ZHANG, Shangmin ZHAO. Surface Deformation Prediction in Xining City Based on Multi-Feature BiLSTM Model[J]. Journal of Geodesy and Geodynamics, 2026 , 46 (9) : 1107 -1113 . DOI: 10.14075/j.jgg.2025.12.441
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Year 2026 volume 46 Issue 9
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Article Info
doi: 10.14075/j.jgg.2025.12.441
  • Receive Date：2025-12-15
  • Online Date：2026-10-30
  • Published：2026-09-15
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  • Received：2025-12-15
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Affiliations
    1 College of Geological and Surveying Engineering, Taiyuan University of Technology, Taiyuan 030024, China
    2 School of Traffic Engineering, Shanxi Vocational University of Engineering Science and Technology, Jinzhong 030619, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2025.12.441
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