On 13/12/18 12:48, Sergio Manzi wrote:
On 2018-12-13 02:36, Warin wrote:
At the moment developing a system to render seasonal values on
requires a determination on spring/summer/autumn/winter etc .. this
would add some new terms. Not too hard but does add to things.
Also developing a system to render the ephemeral key would add some
complexity, probably more...
Not certain about ephemeral being subservient to intermittent.
If it is not there all of the time, than it is intermittent.
If it doesn't last long, than it is ephemeral (/but then it is not
there all of the time and thus it is intermittent too/).
The primary motivation for me is that a water feature with intermittent
is more likely to have water, even it I have to dig a meter or two for
it, than a water feature with ephemeral.
I don't expect a 'normal' map will tell me this. But a desert map should.
I would map the ephemeral river banks/courses.
But then the places where water pools to form more permanent water
sources I would as natural=water, intermittent=yes. In this way they can
be distinguished as a more probable source of water.
Some satellite imagery shows these .. but then some shows the area just
after rain! So it requires some judgements.
I'll add this as a rationale ...
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