[GRASS-user] hillslope position modules in GRASS?

[Michael Barton]

Our landscape evolution module (r.landscape.evol) in addons includes code for this.

Michael
____________________
C. Michael Barton
Director, Center for Social Dynamics & Complexity
Professor of Anthropology, School of Human Evolution & Social Change
Head, Graduate Faculty in Complex Adaptive Systems Science
Arizona State University

voice:  480-965-6262 (SHESC), 480-965-8130/727-9746 (CSDC)
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On Apr 4, 2017, at 4:05 PM, grass-user-request at lists.osgeo.org<mailto:grass-user-request at lists.osgeo.org> wrote:

From: Anna Petrášová <kratochanna at gmail.com<mailto:kratochanna at gmail.com>>
Subject: Re: [GRASS-user] hillslope position modules in GRASS?
Date: April 4, 2017 at 4:05:27 PM MST
To: Vishal Mehta <vishalm1975 at gmail.com<mailto:vishalm1975 at gmail.com>>
Cc: GRASS user list <grass-user at lists.osgeo.org<mailto:grass-user at lists.osgeo.org>>




On Apr 4, 2017 7:02 PM, "Vishal Mehta" <vishalm1975 at gmail.com<mailto:vishalm1975 at gmail.com>> wrote:
Hi all,

Is there a module that can be used to compute hillslope position from a DEM?

<image.png>

I'd like to check for associations between groundwater levels/drawdowns in a city against this kind of landscape organization..

There is a 2015 article in which the authors used GRASS, various topo indices and a decision tree approach to do such a classification. I'm wondering if something more 'canned' is available..

Soil Sci. Soc. Am. J. 79:132–145
doi:10.2136/sssaj2014.07.0287

Thanks,
Vishal

Look at addon r.geomorphon, it's not exactly what you want but perhaps could be used for your application.

Anna

--
Vishal K. Mehta, PhD
Sr. Scientist
Stockholm Environment Institute - US
133 D St Suite F
Davis CA 95616
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