[Tagging] natural=water inside natural=wetland

[Jean-Marc Liotier]

On 5/1/20 12:12 PM, John Willis via Tagging wrote:
> There is often overlap where I am where a wetland lives permanently in 
> the bottom of a basin, and the surrounding area is a park or sports 
> field. When there is a storm the basin fills up and wetland, pitch, 
> and parking lot end up under 3m of water for a day or so.
>
> The wetland is not exclusively part of that structure. The basin or 
> intermittent reservoir consumes everything inside of it.
>
> [..]
>
> In a lake, some corner of the lake is often a wetland - yet that 
> wetland is 100% the part of the lake. It should be layered IMO. That 
> could happen for a wetland too, right?

I always thought of the lake as part of the wetland - but now you open 
my mind to the reverse...

What I'm attempting to tag is seasonal Sahelian lakes, the core of which 
is often permanent, surrounded by a humidity gradient of swamp and 
mudflats - often surrounded by vegetable gardens. Indeed, the whole area 
is what is often designated as "lake something"... Would that be the 
correct way or is the lake the water body stricto sensu ?

Then comes the question of of to tag - but that part of the answer I 
guess is multipolygon too.