IMHE OpenIR
Debris-flow monitoring and warning: Review and examples
Hurlimann, Marcel1; Coviello, Velio2; Bel, Coraline3; Guo, Xiaojun4; Berti, Matteo5; Graf, Christoph6; Huebl, Johannes7; Miyata, Shusuke8; Smith, Joel B.9; Yin, Hsiao-Yuan10
2019-12-01
Source PublicationEARTH-SCIENCE REVIEWS
ISSN0012-8252
EISSN1872-6828
Volume199Pages:UNSP 102981
SubtypeReview
Contribution Rank4
AbstractDebris flows represent one of the most dangerous types of mass movements, because of their high velocities, large impact forces and long runout distances. This review describes the available debris-flow monitoring techniques and proposes recommendations to inform the design of future monitoring and warning/alarm systems. The selection and application of these techniques is highly dependent on site and hazard characterization, which is illustrated through detailed descriptions of nine monitoring sites: five in Europe, three in Asia and one in the USA. Most of these monitored catchments cover less than similar to 10 km(2) and are topographically rugged with Melton Indices greater than 0.5. Hourly rainfall intensities between 5 and 15 mm/h are sufficient to trigger debris flows at many of the sites, and observed debris-flow volumes range from a few hundred up to almost one million cubic meters. The sensors found in these monitoring systems can be separated into two classes: a class measuring the initiation mechanisms, and another class measuring the flow dynamics. The first class principally includes rain gauges, but also contains of soil moisture and pore-water pressure sensors. The second class involves a large variety of sensors focusing on flow stage or ground vibrations and commonly includes video cameras to validate and aid in the data interpretation. Given the sporadic nature of debris flows, an essential characteristic of the monitoring systems is the differentiation between a continuous mode that samples at low frequency ("non-event mode") and another mode that records the measurements at high frequency ("event mode"). The event detection algorithm, used to switch into the "event mode" depends on a threshold that is typically based on rainfall or ground vibration. Identifying the correct definition of these thresholds is a fundamental task not only for monitoring purposes, but also for the implementation of warning and alarm systems.
KeywordDebris flow Monitoring Sensor Hazard Warning
DOI10.1016/j.earscirev.2019.102981
Indexed BySCI
WOS KeywordGROUND VIBRATION SIGNAL ; IN-SITU MEASUREMENTS ; TORRENTIAL PROCESSES ; RAINFALL ESTIMATION ; FIELD OBSERVATIONS ; EASTERN PYRENEES ; JIANGJIA RAVINE ; VIDEO IMAGERY ; CHALK CLIFFS ; REAL TORRENT
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000506471300003
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33765
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorHurlimann, Marcel
Affiliation1.UPC BarcelonaTECH, Dept Civil & Environm Engn, Dept Div Geotech Engn & Geosci, Barcelona, Spain;
2.Free Univ Bozen Bolzano, Fac Sci & Technol, Bolzano, Italy;
3.Univ Grenoble Alpes, Irstea, UR ETNA, St Martin Dheres, France;
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Hazards, Chengdu, Peoples R China;
5.Univ Bologna, Dipartimento Sci Biol Geol & Ambientali, Bologna, Italy;
6.Swiss Fed Inst Forest Snow & Landscape Res WSL, Birmensdorf, Switzerland;
7.Univ Nat Resources & Life Sci BOKU, Dept Nat Hazards & Civil Engn, Inst Mt Risk Engn, Vienna, Austria;
8.Kyoto Univ, Disaster Prevent Res Inst, Takayama, Japan;
9.US Geol Survey, Landslide Hazards Program, Geol Hazards Sci Ctr, Golden, CO USA;
10.Council Agr, Soil & Water Conservat Bur, Nantou, Taiwan
Recommended Citation
GB/T 7714
Hurlimann, Marcel,Coviello, Velio,Bel, Coraline,et al. Debris-flow monitoring and warning: Review and examples[J]. EARTH-SCIENCE REVIEWS,2019,199:UNSP 102981.
APA Hurlimann, Marcel.,Coviello, Velio.,Bel, Coraline.,Guo, Xiaojun.,Berti, Matteo.,...&Yin, Hsiao-Yuan.(2019).Debris-flow monitoring and warning: Review and examples.EARTH-SCIENCE REVIEWS,199,UNSP 102981.
MLA Hurlimann, Marcel,et al."Debris-flow monitoring and warning: Review and examples".EARTH-SCIENCE REVIEWS 199(2019):UNSP 102981.
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