Numerical simulation of landscape evolution and water run-off on digital elevation models obtained from Pleiades

  • Alex Chen UNC Chapel Hill
  • Jérôme Darbon CMLA - ENS Cachan
  • Carlo De Franchis CMLA - ENS Cachan
  • Gabriele Facciolo CMLA - ENS Cachan
  • Enric Meinhardt CMLA - ENS Cachan
  • Julien Michel CNES
  • Jean-Michel Morel CMLA, ENS Cachan

Résumé

This paper illustrates how  the main physical laws proposed  in landscape evolution models (LEMs) can be modeled by a system of three   partial differential equations  governing water run-off,  stream incision,   hill slope evolution and sedimentation.  Several numerical experiments on high resolution digital elevation models (DEMs)  obtained from image stereo pairs of the satellite Pleiades illustrate its potential  to simulate the fine structure of the river network, and to understand the landscape morphology and its causes.

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94235, Cachan, France

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Publiée
2015-02-04
Comment citer
CHEN, Alex et al. Numerical simulation of landscape evolution and water run-off on digital elevation models obtained from Pleiades. Revue Française de Photogrammétrie et de Télédétection, [S.l.], n. 209, p. 117-123, fév. 2015. ISSN 1768-9791. Disponible à l'adresse : >https://www.sfpt.fr/rfpt/index.php/RFPT/article/view/135>. Date de consultation : 22 nov. 2017
Rubrique
Articles

Mots-clés

Landscape evolution model ; partial differential equations ; river networks ; conservation laws ; stream incision law ; detachment-limited and transport-limited erosion; Pleiades stereopairs