Create Level-12 Hydrological Unit Code (HUC) selection list

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Created:	Jul 27, 2017 at 3:19 p.m.
Last updated:	Jul 28, 2017 at 8:27 p.m.
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Abstract

This script generates an XML file containing up or down stream Level-12 HUCs from a user specified HUC anywhere in the Contiguous United States (CONUS).

Briefly, the resultant XML file contains the following information:
[1] "WhereStrings" for selecting HUCs within the National Hydrography Dataset (NHD) using SQL in ArcMap or QTGIS.
[2] Location of stream outlets "Intersection Points" between Level-12 HUCs.
[3] A list of Closed Basins within the graph hierarchy.
[4] A list of NLDAS cell ids for forcing selection.
[5] Graph selection lists using DFS, BFS and undirected Dijkstra graphs. With distances to CONUS Level-12 HUCs.

INPUTS
"-i", "--huc12id" Level-12 HUC numerical identification i.e. 020502040102 for Slab Cabin Run
"-r", "--reverse" Reverse selection i.e. false (default) selects upstream, true indicates downstream
"-o", "--ofolder" Output folder location

Example usage
[Windows]: python.exe get_HUC_Graph.py -i 020502040102 -r false -o c:\
[Ubuntu]: python3 get_HUC_Graph.py -i 020502040102 -r false -o \tmp

Further information is available here:
http://ivi.sagepub.com/lookup/doi/10.1177/1473871616661868
https://doi.org/10.13140/RG.2.1.4397.0004

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Programming Language	Python
Programming Language Version	Python 3
Script Version	1.0
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How to Cite

Leonard, L. (2017). Create Level-12 Hydrological Unit Code (HUC) selection list, HydroShare, http://www.hydroshare.org/resource/17989100a014401ea19d90848354418a

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

http://creativecommons.org/licenses/by/4.0/

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