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  4. Scaling Characteristics of Rill Networks
 
conference poster not in proceedings

Scaling Characteristics of Rill Networks

Cheraghi, Mohsen  
•
Sander, Graham
•
Barry, David Andrew  
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2015
2015 AGU Fall meeting

Sediment transport in overland flow interacts dynamically with the soil surface morphology, which is often assumed to be static. This assumption, although it limits the predictive capacity of models, is reasonable since the morphological evolution is difficult to quantify, particularly when rill networks form. Rill networks evolve due to hydraulic interactions with local features of the surface, the measurement of which are challenging even in well controlled laboratory experiments. In nature, river basins with different sizes and at different places are found to have power law relations for the exceedance probabilities of area and upstream length. We hypothesize that similar scaling relations exist for rill networks. Here we present the initial results of laboratory experiments to test this hypothesis.

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Type
conference poster not in proceedings
Author(s)
Cheraghi, Mohsen  
•
Sander, Graham
•
Barry, David Andrew  
•
Jomaa, Seifeddine  
Date Issued

2015

Subjects

Rill network development

•

Digital Elevation Model

•

Fractal characteristics

•

Scaling factor

Written at

EPFL

EPFL units
ECOL  
Event nameEvent placeEvent date
2015 AGU Fall meeting

San Fransisco

December 13-18, 2015

Available on Infoscience
January 14, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/122245
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