PotentialityFlowRouter

Multidirectional flow routing using a novel method.

flow pathflow routing

Contributor(s)

Initial contribute: 2021-09-17

Authorship

:  
daniel.hobley@colorado.edu
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Classification(s)

Application-focused categoriesNatural-perspectiveLand regions

Detailed Description

English {{currentDetailLanguage}} English

quoted from:https://csdms.colorado.edu/wiki/Model:PotentialityFlowRouter

This class implements Voller, Hobley, and Paola’s experimental matrix solutions for flow routing. The method works by solving for a potential field at all nodes on the grid, which enforces both mass conservation and flow downhill along topographic gradients. It is order n and highly efficient, but does not return any information about flow connectivity.

Options are permitted to allow “abstract” routing (flow enforced downslope, but no particular assumptions are made about the governing equations), or routing according to the Chezy or Manning equations. This routine assumes that water is distributed evenly over the surface of the cell in deriving the depth, and does not assume channelization. You will need to back- calculate channel depths for yourself using known widths at each node if that is what you want.

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Daniel Hobley (2021). PotentialityFlowRouter, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/24b082e8-59af-4e7c-8cc2-3fc6713024f8
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Contributor(s)

Initial contribute : 2021-09-17

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Authorship

:  
daniel.hobley@colorado.edu
Is authorship not correct? Feed back

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