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Hi Everyone,
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<div>Is there a way to add nodes to a stream network created by r.stream.extract and quickly query which nodes are upstream and which are downstream? For instance, maybe I have a wetland that sometimes is dry; and therefore, I would like to remove it from
the stream network. Basically, I'm looking at routing flow accumulation down the network, accounting for storage in wetlands to determine a contributing drainage area for a given runoff event.</div>
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<div>I assume that you can add the wetland nodes using <a href="http://v.net">v.net</a> somehow, but it isn't clear to me how to relate these nodes with each other (i.e. whether one node is upstream or downstream or on a different stream than another).</div>
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<div>Any hints would be greatly appreciated!</div>
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<div>Thanks,</div>
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Mitch</div>
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Mitchell Weier, P.E.<br>
Water Resource Engineer<br>
North Dakota State Water Commission<br>
900 E Boulevard Avenue, Dept.770<br>
Bismarck, ND 58505-0850<br>
(701) 328 1402 phone<br>
(701) 328 3696 fax<br>
<a href="mailto:mweier@nd.gov">mweier@nd.gov</a></div>
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