![]() ![]() The steady flow assumption used by most (not all) hydrology sub-models restricts time scale to periods significantly longer than a single storm. Resolutions greater than about 10,000 nodes normally require significant computation time.ĭescribe time scale and resolution constraints In principle, the model can address spatial scales ranging from gullies and small (~1km2) catchments to mountain ranges, as long as setup and parameters are chosen appropriately. (2001a), the CHILD Users Guide, and other documents listed in the bibliography.ĭescribe length scale and resolution constraints Too many to list here - see Tucker et al. Depending on the application, the user can apply a vegetation-growth module, various tectonic functions, and other options.ĭescribe key physical parameters and equations In addition, a post-processing program called CHILD2VTK is available to convert output into VTK format for use in visualization programs such as ParaView.ĭescribe processes represented by the modelīasic processes include runoff generation, water erosion and sediment transport, and gravitational erosion and sediment transport. ![]() A few scripts also exist for IDL, and it is possible to process the output to generate lists of points for input to ArcGIS. Outputs include grids of surface elevation, drainage area, gradient, stratigraphy, drainage direction, Voronoi cell areas, sediment texture data on mesh configuration total landscape volume and change in volume at each storm (time step) list of storm durations, timing, and intensities.Īn extensive library of Matlab scripts provides visualization and post-processing capabilities. Uses a formatted text file for input of parameters. We work on it as a labor of love, with the hopes that people will find it useful, and in turn share it with their own friends and family.Topography z(x,y) or parameters describing a topographic surface rate coefficients switches for activating options and choosing between alternative transport/erosion formulas. It is developed by volunteers around the world. It is Open Source software, distributed under the terms of the GNU General Public License. Tux Paint is free of cost and free of advertisements. Older versions of Tux Paint have been released for a variety of other platforms, as well. The latest version of Tux Paint runs on a variety of platforms, including Windows (Vista and later), macOS (10.10 and later), Linux, Android, Haiku, and more. JTux Paint is now available in the Google Play app store. ![]()
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