[Tagging] Lake or Pond

[Warin]

On 20/07/18 19:23, Sebastian wrote:
> Hello List,
>
> in the UAE/Emirates Hills area, particular around 'The Springs' there 
> are a number or lakes. All lakes are artificial.
>
> Image example here: 
> https://www.mapillary.com/map/im/bjCPLyUtXUhDAvOPqQWeUw
>
> Reading through Key:water in the OpenStreetMap Wiki I wonder if these 
> should be tagged as pond.
> natural=water
> water=pond
>
> The description in the wiki states: "A pond: a body of standing water, 
> man-made in most cases, that is usually smaller than a lake."
>
> What does that mean? What is a typical size of a lake and is a large 
> artificial 'lake' then no pond?
> The body of water I have linked to in Mapillary is a lake of medium 
> size in this area. There are smaller and larger ones. All are artificial.
>
> What are your thoughts?

In what way artificial?
A dam to block the water? Then it is a reservoir..
Sorry but I cannot see how water gets in or out.