That erosion processes are highly non-linear. Running physical based
erosion models in "backwards-mode" is not possible I would bet.
I guess one have to work with ground layers, geological land rising and
lowering, climatic changes and so on.
But well-wrought concept ideas are always welcome.
Achim
On 17.03.2010 22:12, Maris Nartiss wrote:
One can't turn back time, still I also have been thinking about
playing with erosion models in backwards mode. If it's possible to
calculate current erosion rate and eroded material ammount, it should
be possible to add erroded material to DEM, repeat erosion model run
on new DEM and in such way back for some K years (runs). It will not
take into account all possible events, still for some landscapes it
might work rather well (think - no high mountain areas or territories
with often landslides etc.).
Maris.
2010/3/17, Achim Kisseler<a...@jupiter.uni-freiburg.de>:
Hi,
that mean, as I understand, that you have to have a paleo DEM.
You have to ask the question:
On what data basis do I want to reconstruct paleo landscape?
Geomorphological changes cannot be reconstructed just with a present day
DEM.
Achim
On 17.03.2010 14:21, Marc Stonestreet wrote:
Hi all
Can anyone suggest a method to backward model a river system's flow path
that can integrate with srtm data?
I am seeking a way (if possible ) to look back in time at the paleo-course
of a river system.
I have no doubt that a solution would be a complex undertaking - could
anyone advise me on what approach I should adopt at least?
I have the srtm data - guess that was the easy part.. now how would I
'age' the data?
Regards
Marc S_______________________________________________
grass-user mailing list
grass-user@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/grass-user
_______________________________________________
grass-user mailing list
grass-user@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/grass-user
_______________________________________________
grass-user mailing list
grass-user@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/grass-user
