IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 NO.10
Preliminary studies on the dynamic prediction method of rainfall-triggered landslide
CHEN Yue-li; CHEN De-hui; LI Ze-chun; HUANG Jun-bao
Corresponding AuthorCHEN Yue-li
Source PublicationJournal of Mountain Science
AbstractRainfall-triggered landslides have posed significant threats to human lives and property each year in China. This paper proposed a meteorological-geotechnical early warning system GRAPES-LFM (GRAPES: Global and Regional Assimilation and PrEdiction System; LFM: Landslide Forecast Model), basing on the GRAPES model and the landslide predicting model TRIGRS (Transient Rainfall Infiltration and Grid-based Regional Slope-Stability Model) for predicting rainfall-triggered landslides. This integrated system is evaluated in Dehua County, Fujian Province, where typhoon Bilis triggered widespread landslides in July 2006. The GRAPES model runs in 5 km×5 km horizontal resolution, and the initial fields and lateral boundaries are provided by NCEP (National Centers for Environmental Prediction) FNL (Final) Operational Global Analysis data. Quantitative precipitation forecasting products of the GRAPES model are downscaled to 25 m×25 m horizontal resolution by bilinear interpolation to drive the TRIGRS model. Results show that the observed areas locate in the high risk areas, and the GRAPES-LFM model could capture about 74% of the historical landslides with the rainfall intense 30mm/h. Meanwhile, this paper illustrates the relationship between the factor of safety (FS) and different rainfall patterns. GRAPES-LFM model enables us to further develop a regional, early warning dynamic prediction tool of rainfall-induced landslides.
KeywordLandslide Precipitation Early Warning System Landslide Predicting Model
Indexed BySCI
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 NO.10
Recommended Citation
GB/T 7714
CHEN Yue-li,CHEN De-hui,LI Ze-chun,et al. Preliminary studies on the dynamic prediction method of rainfall-triggered landslide[J]. Journal of Mountain Science,2016,13(10):1735-1745.
APA CHEN Yue-li,CHEN De-hui,LI Ze-chun,&HUANG Jun-bao.(2016).Preliminary studies on the dynamic prediction method of rainfall-triggered landslide.Journal of Mountain Science,13(10),1735-1745.
MLA CHEN Yue-li,et al."Preliminary studies on the dynamic prediction method of rainfall-triggered landslide".Journal of Mountain Science 13.10(2016):1735-1745.
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