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What does the output value of the Sink Tool mean?

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02-22-2015 08:21 PM
SiyangTeo
Occasional Contributor

Hi, I just used the Sink geoprocessing tool to identify the Sinks in my Flow Direction model

 

How do I know what the depth of the sink is so that I can fill up the false positives? The attribute table has a field called values, and it ranges from 5,000 to 7,000 plus. Does this indicate the depth, and if so, what unit of measure does that represent?

 

Thank you.

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curtvprice
MVP Esteemed Contributor

Doug, the Sink tool identifies sink cells by examining a flow direction raster. Any cell with a value that is not a power of two is a sink cell. If you run the sink tool and get a NoData raster, there will be no data to look at, and no attribute table.

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