David Townshend pisze:
Hi all
Can anyone suggest a way for me to determine the longest flow path in
a catchment? I have several hundred to do, so I'd like a way to
automate it if possible.
Regards
David
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r.watershed elevation=elev drainage=dirs streams=stream treshold=<some
value>
r.stream.order streams=streams dirs=dirs hack=longest
the stream with order 1 will be the longest streams of the catchment
J.
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