The Best Tree Photos Images in the World Great Landscapes Natural Mountain Life (2) A lake is a body of relatively still water of considerable size, localized in a basin, that is surrounded bear names ending with the word pond, and a lesser number of names ending with lake are in quasi-technical fact, ponds. One textbook illustrates this point with the following: “In Newfoundland, for example, almost every lake is called a pond, whereas in Wisconsin, almost every pond is called a lake.”[8]
One hydrology book proposes to define it as a body of water with the following five chacteristics:[4]
it partially or totally fills one or several basins connected by straits[4]
has essentially the same water level in all parts (except for relatively short-lived variations caused by wind, varying ice cover, large inflows, etc.)[4]
it does not have regular intrusion of sea water[4]
a considerable portion of the sediment suspended in the water is captured by the basins (for this to happen they need to have a sufficiently small inflow-to-volume ratio)[4]
the area measured at the mean water level exceeds an arbitrarily chosen threshold (for instance, one hectare)[4]
With the exception of the sea water intrusion criterion, the other ones have been accepted or elaborated upon by other hydrology publications.[9][10]

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