1 Introduction
1．1 Problem statement and motivation
1．2 Research objectives
1．3 Book outline
1．4 Technical course
2 Literature review
2．1 Ove Niew
2．2 Classification of landslides
2．3 Causes of landslides
2．4 Hydrological controls of deep-seated landslides
2．5 Hydrogeological flow patterns relevant for deep-seated landslides
2．6 Estimating proportions of fluid and solid precipitation and snowmelt
2．6．1 Thresholds for fluid and solid precipitation
2．6．2 Temperature-index and energy-index snowmelt models
2．7 Estimating infiltration and groundwater fluctuations in hill slopes
2．7．1 Deternunistic physical models
2．7．2 Empirical-statistical models
2．8 Modelling quasi-static landslide movements （slope movement with complete sliding surface）
3 A modified tank model including snowmelt and infiltration time lags for deep-seated landslides
3．1 Introduction
3．2 Site descriptions
3．2．1 Geographical setting and geological overview
3．2．2 Tectonic overview and setting of the study site
3．2．3 Climatic conditions
3．2．4 Monitoring system and monitoring data
3．2．5 Historic events
3．3 Methods
3．3．1 The modified tank model including snowmelt and infiltration
3．3．2 Simpler approximations of slope hydrology
3．3．3 Determining the parameter of PWP calculation in the modified tank model
3．3．4 Snowmelt calculations in the modified tank model
3．4 Results
3．4．1 Performance of modified tank model in heavy rainfall season
3．4．2 Performance of modified tank model in snowmelt season
3．4．3 Performance of modified tank model throughout the monitoring period and error analysis
3．5 Discussions
3．5．1 Performance of modified tank model in heavy rainfall season
3．5．2 Performance of modified tank model in snowmelt season
3．5．3 Highlights of the modified model
3．5．4 Drawbacks and limitations
3．6 Conclusions
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4 Physical tank experiments on groundwater level controls of slopes with homogenous materials
5 Physical tank experiments for estimation of groundwater considering slope structure controlling affection
6 Prediction of groundwater affecting deep-seated landslide quasi-static movement
7 Conclusion
References
Appendix
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