Articles | Volume 7, issue 1
Earth Surf. Dynam., 7, 107–128, 2019
https://doi.org/10.5194/esurf-7-107-2019
Earth Surf. Dynam., 7, 107–128, 2019
https://doi.org/10.5194/esurf-7-107-2019

Research article 25 Jan 2019

Research article | 25 Jan 2019

Long-term erosion of the Nepal Himalayas by bedrock landsliding: the role of monsoons, earthquakes and giant landslides

Odin Marc et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Odin Marc on behalf of the Authors (08 Dec 2018)  Author's response    Manuscript
ED: Publish as is (30 Dec 2018) by Xuanmei Fan
ED: Publish as is (04 Jan 2019) by Tom Coulthard(Editor)
AR by Odin Marc on behalf of the Authors (10 Jan 2019)  Author's response    Manuscript
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Short summary
We mapped eight monsoon-related (> 100 m2) and large (> 0.1 km2) landslides in the Nepal Himalayas since 1970. Adding inventories of Holocene landslides, giant landslides (> 1 km3), and landslides from the 2015 Gorkha earthquake, we constrain the size–frequency distribution of monsoon- and earthquake-induced landslides. Both contribute ~50 % to a long-term (> 10 kyr) total erosion of ~2 mm yr-1, matching the long-term exhumation rate. Large landslides rarer than 10Be sampling time drive erosion.