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Arbitrarily assignments for D8 algorithm

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03-16-2014 09:31 AM
PerViréhn
New Contributor
Hi!
I am working on my master thesis in Geography were i do some spatial hydrological modeling.

I use the hydology tools in the spatial analyst extension and have a question about the D8 algorithm. Hope someone can give me an answer or a hint?

How does the hydrology tools solve the problem with ambiguous flow directions? Does it have any arbitrary assignments? I know that other packages have it, but can not find information about how it is resolved in the Arc tool set.

Best
Per Wirehn
NTNU - Trondheim, Norway.
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MarkBoucher
Honored Contributor
I assume you already know about the ESRI Arc Hydro tools. The book on it may address this. http://www.amazon.com/Arc-Hydro-GIS-Water-Resources/dp/1589480341.

Dr. David Maidment and Dr. Dean Djokic may have other papers or publications that address your question.
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