Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 9, issue 1
Articles | Volume 9, issue 1
https://doi.org/10.5194/esurf-9-47-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-9-47-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 1
Research article
 | 
04 Feb 2021
Research article |  | 04 Feb 2021

Coupling threshold theory and satellite-derived channel width to estimate the formative discharge of Himalayan foreland rivers

Kumar Gaurav, François Métivier, A V Sreejith, Rajiv Sinha, Amit Kumar, and Sampat Kumar Tandon

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Latest update: 23 Oct 2025
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Short summary
This study demonstrates an innovative methodology to estimate the formative discharge of alluvial rivers from remote sensing images. We have developed an automated algorithm in Python 3 to extract the width of a river channel from satellite images. Finally, this channel width is translated into discharge using a semi-empirical regime equation developed from field measurements and threshold channel theory that explains the first-order geometry of alluvial channels.
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