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| Created: | Jun 08, 2016 at 7:40 p.m. | |
| Last updated: | Jun 08, 2016 at 8:39 p.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Discoverable |
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| Views: | 2375 |
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| Comments: | 3 comments |
Abstract
This is a tutorial that will walk you through the steps to import a DEM into Landlab and create a raster model grid.
Note: To use this tutorial, you should have Landlab (version 1.0) installed on your computer. To install Landlab, please follow the instructions @ https://landlab.github.io/#/#install
The starting point is to obtain a Digital Elevation Model (DEM) in ESRI's Ascii Grid format, or convert it to this format. The format consists of a 6-line header followed by elevation values. Here we'll work with a small example DEM file 'west_bijou_gully.asc' (attached in this resource). The header for this file is as follows:
ncols 43
nrows 89
xllcorner 559705.000000000000
yllcorner 4380220.000000000000
cellsize 3
NODATA_value 0
Here, our objective is to translate the contents of this file into a Landlab RasterModelGrid.
This tutorial also illustrates setting boundary conditions on DEMs and using the halo option for reading in DEMs without nodata values around the edges.
For this we will use the resource 'synthetic_landsacpe.asc'.
Citing Landlab:
Tucker, G.E., Gasparini, N.M., Istanbulluoglu, E., Hobley, D.E.J., Nudurupati, S.S., Adams, J.M., and Hutton, E. (2013). Landlab v1.0. https://landlab.github.io.
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Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| NSF |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
Comments
Stephen Dobbs 3 years, 11 months ago
Hi there, is it possible to share access to this tutorial? Thanks,
ReplySteve
Rishi Narain Singh 3 years, 9 months ago
Dr Gasparini.
ReplyI wish to access this tutorial.
Thanks
Rishi
IIT Gandhinagar
India
rnsingh@iitgn.ac.in
Jasson Mussio 3 years, 4 months ago
Dear Dr Gasparini,
ReplyI would like to have your access to see your tutorial.
Kind regards,
Jasson Mora M.
jasson.mora@ucr.ac.cr
New Comment