David Murn <[email protected]> sent Thu, 3 February, 2011 10:29:35 AM:
> Well, what about salt water lakes? Im aware of at least 2 spots where the
> low
>tide level is below a sand bar, which causes a salt lake to form, so your idea
>of the coastline depends on whether its high tide and the sand bar is covered
>(meaning the lake is navigable) or the bar is exposed in which case its a lake
>where you cant navigate back into the ocean.
The coastline is ideally placed at the average high tide position. So these
lakes should be fully on the ocean side of the coastline.
The sandbar which is exposed at low tide could perhaps be mapped as a tidal
flat
(natural=wetland, wetland=tidalflat, defined as "tidally inundated areas of
bare
mud, sand or similar sediments.") with surface=sand for further clarity.
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