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- W4255067050 abstract "Abstract. Tailings-flows result from the breach of tailings dams. Large-scale tailings-flows can travel over substantial distances with high velocities and cause significant life loss, environmental damage and economic costs. Runout modelling and inundation mapping are critical components of risk assessment for tailings dams. In an attempt to develop consistency in reporting tailings data, we established a new tailings-flow runout classification system. Our data analysis applies to the zone corresponding to the extent of the main solid tailings deposit, which is characterized by visible or field-confirmed sedimentation, above typical surface water levels if extending into downstream water bodies. We introduced a new database of 33 tailings dam breaches by independently estimating the planimetric inundation area for each event using remote sensing data. This paper examines the applicability of a semi-physical area–volume relationship using the new database. Our results indicate that the equation A = cV2/3, which has been used previously to characterize the mobility of other types of mass movements, is a statistically-justifiable choice for the relationship between total released volume and planimetric inundation area. Our analysis suggests that, for a given volume, tailings-flows are, on average, less mobile than lahars but more mobile than non-volcanic debris flows, rock avalanches and waste dump failures." @default.
- W4255067050 created "2022-05-12" @default.
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- W4255067050 date "2020-07-23" @default.
- W4255067050 modified "2023-10-18" @default.
- W4255067050 title "Tailings-flow runout analysis: Examining the applicability of a semi-physical area–volume relationship using a novel database" @default.
- W4255067050 doi "https://doi.org/10.5194/nhess-2020-199" @default.
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