[HOT] Waterway - Determining Flow Direction

Mike Thompson miketho16 at gmail.com
Tue Apr 5 19:11:00 UTC 2016


On Tue, Apr 5, 2016 at 12:53 PM, Ezra Boyd <ezgis76 at gmail.com> wrote:

>
> -  Look for things like locks, spillways, bridges, etc. that would cause
> whitewater and use that to determine flow direction
> -  Rivers and streams tend to flow toward larger waterbodies, such as
> lakes, gulfs and oceans.  Look for things likes deltas to help determine
> flow direction
> -  Also, they tend to converge with other rivers & streams downstream.
> Look for the Y's where two rivers converge, with the being toward the base
> of the Y
> -  Rivers and streams tend to be wider downstream.
> -  Because of above, larger navigational vessels tend to be found
> downstream
> -  Because of the above, larger settlements tend to be found downstream.
>
Thanks Ezra.  All good advice.  I will caution that most lakes will have at
least one river/stream flowing away from them. The exception is a lake that
is part of an endorheic basin[1] such as the Great Salt Lake in the US.

[1] https://en.wikipedia.org/wiki/Endorheic_basin

>
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