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How to create the longest time of concentration path in a Watershed?

Question asked by apmartincude on Aug 1, 2017

So I just finished creating the longest possible flow path in a watershed. Now I want to create a path for the longest time of concentration path in a watershed. What is the best way to approach this?

 

 

I used flow direction, flow length and the maxcell to create the costpath and then I converted it to a polyline. What other information do I need for the time of concentration path?

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