中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Multi-sensor observation fusion scheme based on 3D variational assimilation for landslide monitoring

文献类型:期刊论文

作者Liu, Chun1; Shao, Xiaohang1; Li, Weiyue2,3,4
刊名GEOMATICS NATURAL HAZARDS & RISK
出版日期2019
卷号10期号:1页码:151-167
关键词Landslide monitoring 3DVar assimilation multi-sensor observation slope stability
ISSN号1947-5705
DOI10.1080/19475705.2018.1513871
通讯作者Li, Weiyue(lwy_326@126.com)
英文摘要Multi-sensor observation is very important for monitoring landslide disasters. Since various surveying techniques are currently available for detecting variational slope activities from different perspectives, studies have focused on integration of multi-source information for the analysing landslide displacements. In this study, a general multi-source data fusion scheme for landslide monitoring based on three-dimensional variation (3DVar) data assimilation was developed. The scheme was used to fuse different observations of Xishancun Landslide in Li County, Sichuan Province, China. First, the displacement observations obtained by a Global Positioning System (GPS) and Borehole Inclinometers (BIs) were assimilated for accurate evaluation of slope activities. Then, slope Stability Index (SI) was introduced to validate the assimilation results within a time interval. SIAssi values calculated using the integration model developed in the present study were compared with SIFS simulated by a physically based landslide model. The correlation coefficient between them ss 0.75, which is larger than those with SIGPS (0.45) or SIBIs (0.41) values determined by the GPS and BIs respectively. The assimilation results are thus confirmed to be more credible for slope stability simulation.
收录类别SCI
WOS关键词RAINFALL-INDUCED LANDSLIDES ; SLOPE STABILITY ; SPATIOTEMPORAL ANALYSIS ; MODEL ; SIMULATION ; FAILURE ; NETWORK ; SYSTEM ; INSAR ; STATE
WOS研究方向Geology ; Meteorology & Atmospheric Sciences ; Water Resources
WOS类目Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
语种英语
WOS记录号WOS:000454617600001
出版者TAYLOR & FRANCIS LTD
URI标识http://www.irgrid.ac.cn/handle/1471x/2558215
专题寒区旱区环境与工程研究所
通讯作者Li, Weiyue
作者单位1.Tongji Univ, Coll Surveying & Geoinformat, Shanghai, Peoples R China
2.Shanghai Normal Univ, Inst Urban Studies, Shanghai, Peoples R China
3.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou, Gansu, Peoples R China
4.Politecn Milan, Dept Architecture Built Environm & Construct Engn, Milan, Italy
推荐引用方式
GB/T 7714
Liu, Chun,Shao, Xiaohang,Li, Weiyue. Multi-sensor observation fusion scheme based on 3D variational assimilation for landslide monitoring[J]. GEOMATICS NATURAL HAZARDS & RISK,2019,10(1):151-167.
APA Liu, Chun,Shao, Xiaohang,&Li, Weiyue.(2019).Multi-sensor observation fusion scheme based on 3D variational assimilation for landslide monitoring.GEOMATICS NATURAL HAZARDS & RISK,10(1),151-167.
MLA Liu, Chun,et al."Multi-sensor observation fusion scheme based on 3D variational assimilation for landslide monitoring".GEOMATICS NATURAL HAZARDS & RISK 10.1(2019):151-167.

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来源:寒区旱区环境与工程研究所

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