[Tagging] Lake or Pond

Dave Swarthout daveswarthout at gmail.com
Fri Jul 20 19:20:22 UTC 2018

Michael wrote:
>Both lakes and ponds are standing or slow-moving bodies of water. There
are no official or scientific differences >between lakes and ponds. Lakes
are larger than ponds, but size is relative. What would be considered a
pond in one >region might be considered a lake in another.

I totally agree with this characterization. I do most of my mapping of
rural Alaska using satellite imagery, for many reasons, not the least being
that I cannot ever visit these wild and dauntingly remote places to check
out water flows, depths, etc. My criteria for deciding between lake and
pond are therefore mostly based on size. Sometimes a lake-sized water body
is obviously very shallow and so I tag it as a pond. Sometimes I pause and
question my choice because it is almost impossible to know for sure what's

I also do a lot of mapping in Thailand where there are thousands of little
man-made ponds, perhaps more properly reservoirs, used to supply water for
thirsty rice paddies. These I always tag as ponds.

My 2 cents


On Fri, Jul 20, 2018 at 11:05 AM Paul Allen <pla16021 at gmail.com> wrote:

> On Fri, Jul 20, 2018 at 7:59 PM, Michael Patrick <geodesy99 at gmail.com>
> wrote:
>> The proper name of the water feature usually has nothing to do with
>> these, though. Our area has numerous 'Lake Something's which are
>> impoundments that barely would would classify as ponds, basically created
>> by real estate developers as bulldozer scrapes into the local water table.
> A hydromorphologicaly-aware  mapper will tag one of those as:
>   name=Lake Exaggeration
>   natural=water
>   water=pond
>   note=Damned real-estate developers did it again.  My bathtub is bigger
> than this.
> --
> Paul
> _______________________________________________
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Dave Swarthout
Homer, Alaska
Chiang Mai, Thailand
Travel Blog at http://dswarthout.blogspot.com
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