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List: grass-user
Subject: Re: [GRASS-user] hillslope position modules in GRASS?
From: Michael Barton <Michael.Barton () asu ! edu>
Date: 2017-04-05 0:09:12
Message-ID: 36673350-7CB4-40EE-BA9C-D8864F2B5D8A () ASU ! Edu
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Isaac,
I accidentally sent this to the wrong address.
Michael
======
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)
fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC)
www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu
On Apr 4, 2017, at 4:05 PM, \
grass-user-request@lists.osgeo.org<mailto:grass-user-request@lists.osgeo.org> wrote:
From: Anna Petrášová <kratochanna@gmail.com<mailto:kratochanna@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@gmail.com<mailto:vishalm1975@gmail.com>>
Cc: GRASS user list <grass-user@lists.osgeo.org<mailto:grass-user@lists.osgeo.org>>
On Apr 4, 2017 7:02 PM, "Vishal Mehta" \
<vishalm1975@gmail.com<mailto:vishalm1975@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
www.sei-us.org<www.sei-2Dus.org&d=" rel="nofollow">https://urldefense.proofpoint.com/v2/url?u=http-3A__www.sei-2Dus.org&d=> \
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<body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: \
after-white-space;" class=""> <div class="">Isaac,</div>
<div class=""><br class="">
</div>
<div class="">I accidentally sent this to the wrong address.</div>
<div class=""><br class="">
</div>
<div class="">Michael</div>
<div class=""><br class="">
</div>
<div class="">======</div>
<div class=""><br class="">
</div>
Our landscape evolution module (r.landscape.evol) in addons includes code for this.
<div class=""><br class="">
</div>
<div class="">Michael<br class="">
<div class="">
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____________________</div> <div style="font-variant: normal; letter-spacing: normal; \
line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; \
-webkit-text-stroke-width: 0px;" class=""> <font face="Helvetica" size="3" \
class="">C. Michael Barton</font></div> <div style="font-variant: normal; \
letter-spacing: normal; line-height: normal; text-transform: none; white-space: \
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""> <font \
face="Helvetica" size="3" class="">Director, Center for Social Dynamics & \
Complexity </font></div> <div style="font-variant: normal; letter-spacing: \
normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: \
0px; -webkit-text-stroke-width: 0px;" class=""> <font face="Helvetica" size="3" \
class="">Professor of Anthropology, School of Human Evolution & Social \
Change</font></div> <div class=""><font face="Helvetica" size="3" class="">Head, \
Graduate Faculty in Complex Adaptive Systems Science</font></div> <div \
style="font-variant: normal; letter-spacing: normal; line-height: normal; \
text-transform: none; white-space: normal; word-spacing: 0px; \
-webkit-text-stroke-width: 0px;" class=""> <font face="Helvetica" size="3" \
class="">Arizona State University</font></div> <div style="color: rgb(0, 0, 0); \
font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; \
font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: \
none; white-space: normal; word-spacing: 0px; -webkit-text-decorations-in-effect: \
none; -webkit-text-stroke-width: 0px;" class=""> <br class="">
</div>
<font face="Helvetica" size="3" class=""><font class="">voice: </font><font \
class="">480-965-6262 (SHESC), 480-965-8130/727-9746 (CSDC)</font><br \
class=""> <font class="">fax: 480-965-7671 (SHESC), \
480-727-0709 (CSDC)</font><br class=""> </font>
<div style="font-variant: normal; letter-spacing: normal; line-height: normal; \
text-transform: none; white-space: normal; word-spacing: 0px; \
-webkit-text-stroke-width: 0px;" class=""> <font face="Helvetica" size="3" \
class="">www: <a href="http://www.public.asu.edu/~cmbarton" class=""> \
http://www.public.asu.edu/~cmbarton</a>, <a href="http://csdc.asu.edu" \
class="">http://csdc.asu.edu</a></font></div> <br class="">
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<blockquote type="cite" class="">
<div class="">On Apr 4, 2017, at 4:05 PM, <a \
href="mailto:grass-user-request@lists.osgeo.org" class=""> \
grass-user-request@lists.osgeo.org</a> wrote:</div> <br \
class="Apple-interchange-newline"> <div class="">
<div style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" \
class=""> <span style="font-family: -webkit-system-font, 'Helvetica Neue', Helvetica, \
sans-serif; color: rgb(127, 127, 127);" class=""><b class="">From:<span \
class="Apple-converted-space"> </span></b></span><span style="font-family: \
-webkit-system-font, 'Helvetica Neue', Helvetica, sans-serif;" class="">Anna \
Petrášová <<a href="mailto:kratochanna@gmail.com" \
class="">kratochanna@gmail.com</a>><br class=""> </span></div>
<div style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" \
class=""> <span style="font-family: -webkit-system-font, 'Helvetica Neue', Helvetica, \
sans-serif; color: rgb(127, 127, 127);" class=""><b class="">Subject:<span \
class="Apple-converted-space"> </span></b></span><span style="font-family: \
-webkit-system-font, 'Helvetica Neue', Helvetica, sans-serif;" class=""><b \
class="">Re: [GRASS-user] hillslope position modules in GRASS?</b><br class="">
</span></div>
<div style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" \
class=""> <span style="font-family: -webkit-system-font, 'Helvetica Neue', Helvetica, \
sans-serif; color: rgb(127, 127, 127);" class=""><b class="">Date:<span \
class="Apple-converted-space"> </span></b></span><span style="font-family: \
-webkit-system-font, 'Helvetica Neue', Helvetica, sans-serif;" class="">April 4, \
2017 at 4:05:27 PM MST<br class=""> </span></div>
<div style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" \
class=""> <span style="font-family: -webkit-system-font, 'Helvetica Neue', Helvetica, \
sans-serif; color: rgb(127, 127, 127);" class=""><b class="">To:<span \
class="Apple-converted-space"> </span></b></span><span style="font-family: \
-webkit-system-font, 'Helvetica Neue', Helvetica, sans-serif;" class="">Vishal Mehta \
<<a href="mailto:vishalm1975@gmail.com" class="">vishalm1975@gmail.com</a>><br \
class=""> </span></div>
<div style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" \
class=""> <span style="font-family: -webkit-system-font, 'Helvetica Neue', Helvetica, \
sans-serif; color: rgb(127, 127, 127);" class=""><b class="">Cc:<span \
class="Apple-converted-space"> </span></b></span><span style="font-family: \
-webkit-system-font, 'Helvetica Neue', Helvetica, sans-serif;" class="">GRASS user \
list <<a href="mailto:grass-user@lists.osgeo.org" \
class="">grass-user@lists.osgeo.org</a>><br class=""> </span></div>
<br style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""> <br \
style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""> <div \
dir="auto" style="font-family: Helvetica; font-size: 13px; font-style: normal; \
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: \
auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; \
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""> <div \
class=""><br class=""> <div class="gmail_extra"><br class="">
<div class="gmail_quote">On Apr 4, 2017 7:02 PM, "Vishal Mehta" <<a \
href="mailto:vishalm1975@gmail.com" class="">vishalm1975@gmail.com</a>> wrote:<br \
type="attribution" class=""> <blockquote class="quote" style="margin: 0px 0px 0px \
0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); \
border-left-style: solid; padding-left: 1ex;"> <div dir="ltr" class="">
<div class="">
<div class="">
<div class="">
<div class="">Hi all,<br class="">
<br class="">
</div>
Is there a module that can be used to compute hillslope position from a DEM?<br \
class=""> <br class="">
<span id="cid:ii_15b3b31530408000" class=""><image.png></span><br class="">
<br class="">
</div>
I'd like to check for associations between groundwater levels/drawdowns in a city \
against this kind of landscape organization..<br class=""> <br class="">
</div>
<div class="">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..<br class=""> <br class="">
Soil Sci. Soc. Am. J. 79:132–145<br class="">
doi:10.2136/sssaj2014.07.0287<br class="">
</div>
<div class=""><br class="">
</div>
Thanks,<br class="">
</div>
Vishal<font color="#888888" class=""><br clear="all" class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class=""></div>
</div>
</div>
</div>
</div>
</font></div>
</blockquote>
</div>
</div>
</div>
<div dir="auto" class=""><br class="">
</div>
<div dir="auto" class="">Look at addon r.geomorphon, it's not exactly what you want \
but perhaps could be used for your application.</div> <div dir="auto" class=""><br \
class=""> </div>
<div dir="auto" class="">Anna</div>
<div dir="auto" class="">
<div class="gmail_extra">
<div class="gmail_quote">
<blockquote class="quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; \
border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;"> \
<div dir="ltr" class=""><font color="#888888" class=""> <div class="">
<div class="">
<div class="">
<div class="">
<div class=""><br class="">
--<span class="Apple-converted-space"> </span><br class="">
<div class="m_-1360221039068968058gmail_signature">
<div dir="ltr" class="">
<div class="">Vishal K. Mehta, PhD<br class="">
Sr. Scientist<br class="">
Stockholm Environment Institute - US<br class="">
133 D St Suite F<br class="">
Davis CA 95616<br class="">
<a href="www.sei-2Dus.org&d=DQ" rel="nofollow">https://urldefense.proofpoint.com/v2/url?u=http-3A__www.sei-2Dus.org&d=DQ> \
MFaQ&c=AGbYxfJbXK67KfXyGqyv2Ejiz41FqQuZFk4A-1IxfAU&r=vxOW6PLS28MPea_dWUwPfRf71 \
TAIziRDuFqWJimQN1I&m=VpyH6fMEsGa5d1We9kBkfJBQiuyiJKjApWDUJvQpjwU&s=bXRwDXHrJJApicIt9VLrXV_IlnJ8iDIqOwrawzY43HA&e=" \
target="_blank" class="">www.sei-us.org</a></div> </div>
</div>
</div>
</div>
</div>
</div>
</div>
</font></div>
</blockquote>
</div>
</div>
</div>
</div>
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</div>
</blockquote>
</div>
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