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DEM for French Broad River Near Newport


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Resource type: Composite Resource
Storage: The size of this resource is 202.4 MB
Created: Sep 06, 2019 at 4:06 p.m.
Last updated: Sep 06, 2019 at 4:50 p.m.
Citation: See how to cite this resource
Content types: Geographic Raster Content 
Sharing Status: Public
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Downloads: 7
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Abstract

This is the DEM data for the watershed boundary for French Broad River near Newport. This resource includes one TIFF image presenting the projected DEM data of watershed boundary for French Broad River Near Newport and one txt file containing the Python code used to download and process the original DEM data. The input data is http://www.hydroshare.org/resource/860155baa06d46f1a0c3e0bf48e9b348 , provided by Dr. Venkatesh Merwade.
The code has some minor problems with the last line of Cell 7. Currently it can download, merge and project the DEM data and save them as TIFF file. We're still working on clipping the TIFF image so it can be complete. To run the code, read the instructions in readme.txt.

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Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
French Broad River
North Latitude
36.0378°
East Longitude
-82.0047°
South Latitude
34.6804°
West Longitude
-83.2242°

Content

readme.txt

The txt file "DEN_NED.txt" is a Python program that can automatically download and process the DEM data according to the shapefile input.
However, the code has some minor problems with the last line of Cell 7. Currently it can download, merge and project the DEM data and save them as TIFF file. We're still working on clipping the TIFF image so it can be saved into the output folder.
To run this program, Jupyter Notebook with anaconda 5.1 on MyGeoHub is needed.

How to use:
1. Create an input folder and an output folder under your Jupyter Notebook working directory. Upload the Shapefile into your input folder.
2. Change the filename extension of ".txt" to ".ipynb" and open it.
3. In the cell titled "USER INPUTS",provide the full path of your input and output folders cerated in Step 1 at the requisite lines. Also, provide the name of the shapefile you prepared.
4. Run Cell 1 to Cell 7 in order. DO NOT run the last one or the work folder will be deleted.
5. Open the work folder in your input folder. The projected DEM image is saved as proj_rast.tif.

References

Sources

Derived From: Zhu, Y. (2019). Watershed Boundary for French Broad River Near Newport, HydroShare, http://www.hydroshare.org/resource/860155baa06d46f1a0c3e0bf48e9b348

How to Cite

Zhu, Y. (2019). DEM for French Broad River Near Newport, HydroShare, http://www.hydroshare.org/resource/d2ca5383301446a38d49e74380882456

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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