[Tagging] Tidal inlets / creeks

Malcolm Herring malcolm.herring at btinternet.com
Tue Jan 18 22:42:10 GMT 2011

On 18/01/2011 22:29, Stephen Hope wrote:
> I don't agree.  This is a good general rule, but the general
> convention on most maps is that the coast goes on the SEA side of
> things like coastal swamps and mangroves.  As a rule of thumb, if it
> has plants growing though the water, it's land, not sea, even if it
> happens to be wet.
> Doing this your way looks OK at higher zoom levels, but as the
> coastline way is used to make the country shapes for low zoom levels,
> these ways are out of place. In most temperate areas, the difference
> is so small you can't really tell, but this can be very important in
> tropical areas where the mangroves can be many km wide.  In these
> cases, I've never seen a map that shows the coast on the inner edge,
> and trying to do so is just wrong.

The original post referred to *tidal* areas. By definition, these are 
completely covered at high water, whereas mangroves are not. A mangrove 
would be mapped as a natural=wetland, wetland=mangrove on the dry side 
of the coastline.

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