Articles | Volume 9, issue 4
Earth Surf. Dynam., 9, 995–1011, 2021
https://doi.org/10.5194/esurf-9-995-2021
Earth Surf. Dynam., 9, 995–1011, 2021
https://doi.org/10.5194/esurf-9-995-2021
Research article
17 Aug 2021
Research article | 17 Aug 2021

Controls on the grain size distribution of landslides in Taiwan: the influence of drop height, scar depth and bedrock strength

Odin Marc et al.

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Latest update: 08 Aug 2022
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Short summary
The size of grains delivered to rivers is an essential parameter for understanding erosion and sediment transport and their related hazards. In mountains, landslides deliver these rock fragments, but few studies have analyzed the landslide properties that control the resulting sizes. We present measurements on 17 landslides from Taiwan and show that their grain sizes depend on rock strength, landslide depth and drop height, thereby validating and updating a previous theory on fragmentation.