Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 8, issue 2
Articles | Volume 8, issue 2
https://doi.org/10.5194/esurf-8-555-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-8-555-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 8, issue 2
Research article
 | 
22 Jun 2020
Research article |  | 22 Jun 2020

Quantifying sediment mass redistribution from joint time-lapse gravimetry and photogrammetry surveys

Maxime Mouyen, Philippe Steer, Kuo-Jen Chang, Nicolas Le Moigne, Cheinway Hwang, Wen-Chi Hsieh, Louise Jeandet, Laurent Longuevergne, Ching-Chung Cheng, Jean-Paul Boy, and Frédéric Masson

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Latest update: 01 Aug 2025
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Short summary
Land erosion creates sediment particles that are redistributed from mountains to oceans through climatic, tectonic and human activities, but measuring the mass of redistributed sediment is difficult. Here we describe a new method combining gravity and photogrammetry measurements, which make it possible to weigh the mass of sediment redistributed by a landslide and a river in Taiwan from 2015 to 2017. Trying this method in other regions will help us to better understand the erosion process.
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