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.
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.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Jun 2020
Research article |
| 22 Jun 2020
| 22 Jun 2020
Quantifying sediment mass redistribution from joint time-lapse gravimetry and photogrammetry surveys
Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, 439 92 Onsala, Sweden
Philippe Steer
Géosciences Rennes, UMR 6118, CNRS, Université Rennes, Rennes, 35000, France
Kuo-Jen Chang
Department of Civil Engineering, National Taipei University of Technology, Taipei, 10608, Taiwan
Nicolas Le Moigne
Géosciences Montpellier, UMR CNRS/UM2 5243, Université Montpellier 2, CNRS, Montpellier, France
Cheinway Hwang
Department of Civil Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan
Wen-Chi Hsieh
Industrial Technology Research Institute, Hsinchu, 31040, Taiwan
Louise Jeandet
Géosciences Rennes, UMR 6118, CNRS, Université Rennes, Rennes, 35000, France
Laurent Longuevergne
Géosciences Rennes, UMR 6118, CNRS, Université Rennes, Rennes, 35000, France
Ching-Chung Cheng
Department of Civil Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan
Jean-Paul Boy
Institut de Physique du Globe de Strasbourg, CNRS – Université de Strasbourg UMR 7516 – Ecole et Observatoire des Sciences de la Terre, Strasbourg, 67084 CEDEX, France
Frédéric Masson
Institut de Physique du Globe de Strasbourg, CNRS – Université de Strasbourg UMR 7516 – Ecole et Observatoire des Sciences de la Terre, Strasbourg, 67084 CEDEX, France
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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.
Land erosion creates sediment particles that are redistributed from mountains to oceans through...
