MENG Meng, CHEN Zhi-qiang, HUANG Da, et al. Displacement prediction of landslide in Three Gorges Reservoir area
based on H-P filter, ARIMA and VAR models[J]. 2016, 37(S2): 552-560.
DOI:
MENG Meng, CHEN Zhi-qiang, HUANG Da, et al. Displacement prediction of landslide in Three Gorges Reservoir area
based on H-P filter, ARIMA and VAR models[J]. 2016, 37(S2): 552-560.DOI: 10.16285/j.rsm.2016.S2.070.
Displacement prediction of landslide in Three Gorges Reservoir area
based on H-P filter, ARIMA and VAR models
Landslide displacement in Three Gorges Reservoir area is of periodicity due to water level change
rainfall and so on. Based on the time series analysis
landslide displacement can be divided into the trend displacement reflecting the long-term trend of landslide
which is the response of geologic structure; and the periodic displacement reflecting the volatility of landslide
which is mainly affected by external factors such as rainfall. Taking Taping landslide in Three Gorges Reservoir area for example and considering the influences of water level change and rainfall
the trend displacement and periodic displacement are evaluated by Hodrick-Prescott (H-P) filter forecasting method. Difference auto-regressive integrated moving average (DARIMA) model is utilized to smooth the curve of trend displacement
and then compute the predicted value of trend displacement. Vector auto-regressive (VAR) model is used to predict the periodic displacement. The overall predicted displacement is obtained by adding the predicted values of trend displacement and periodic displacement
which is compared with the monitoring displacement and one predicted by other forecasting methods. The results show that the predicted displacements by this proposed method are in better agreement with the monitoring data; the proposed comprehensive model can better reflect the trend and volatility of landslide displacement.
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Related Author
GAO Wei
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CHEN Huai-lin
YANG Tao
RAO Yun-kang
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XIE Jiang-wei
Related Institution
Department of Civil Engineering, Wuhan Polytechnic University
Key laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
State Key Laboratory of Intelligent Construction and Maintenance for Geotechnical and Tunnel Engineering under Extreme Environments, Southwest Jiaotong University
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