TAUDEM - Length Area Stream Source

The Stream Network Analysis toolset contains tools for creating and analyzing stream networks.

TAUDEMTERRAIN ANALYSISSTREAM NETWORK ANALYSISSTREAM

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Contributor(s)

Initial contribute: 2020-12-16

Authorship

:  
UtahState University
:  
david.tarboton@usu.edu
:  
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Classification(s)

Method-focused categoriesData-perspectiveGeoinformation analysis

Detailed Description

English {{currentDetailLanguage}} English

Quoted From : https://hydrology.usu.edu/taudem/taudem5/help53/LengthAreaStreamSource.html

    Creates an indicator grid (1,0) that evaluates A >= (M)(L^y) based on upslope path length, D8 contributing area grid inputs, and parameters M and y. This grid indicates likely stream source grid cells. This is an experimental method with theoretical basis in Hack's law which states that for streams L ~ A^0.6. However for hillslopes with parallel flow L ~ A. So a transition from hillslopes to streams may be represented by L ~ A^0.8 suggesting identifying grid cells as stream cells if A > M (L^(1/0.8)).

 

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David Tarboton (2020). TAUDEM - Length Area Stream Source, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/cf5d6b12-f484-47e7-876b-c0f6622780c2
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Contributor(s)

Initial contribute : 2020-12-16

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Authorship

:  
UtahState University
:  
david.tarboton@usu.edu
:  
View
Is authorship not correct? Feed back

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