On 21 July 2018 at 04:59, Michael Patrick <[email protected]> wrote:
> > > - Does light reach the bottom of the deepest point of the water body? > - Does the water body only get small waves (i.e., smaller than > 1ft/30cm in height)? > - Is the water body relatively uniform in temperature? > > If these questions can be answered with a “yes,” the water body is likely > a pond and not a lake.1 > Other national technical typologies do include a lower area requirement > ranging from .5 hectares ( 'two NFL football fields' for USA residents ) to > 2 hectares, and other various factors like inflow/outflow, relation to the > water table, sediment suspension, etc. > On 21 July 2018 at 05:20, Dave Swarthout <[email protected]> wrote: > 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. > Being an awkward Aussie again :-) Lake Eyre, https://en.wikipedia.org/wiki/Lake_Eyre, when full, has a surface area of "9,500 km2 (3,668 sq mi)" but has only filled a handful of times in the last ~150 years. Even when full, the maximum water depth in the deepest spot is only 6 m's, with most being <3 m's, & the water is virtually transparent, so that the lake bottom can still be seen from the air. So this makes it only a pond? (& a intermittent one at that! :-))
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