perennial lake

perennial lake

[pə′ren·ē·əl ′lāk]
(hydrology)
A lake that retains water in its basin throughout the year and is not usually subject to extreme water-level fluctuations.
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References in periodicals archive ?
Lake Oponono will be transformed from a dry dusty pan to a perennial lake, as will possibly be a large part of Etosha.
Bhimtal (Uttarakhand), July 27 (ANI): The famous Bhimtal Lake, a perennial lake in Bhimtal town in Uttarakhand, is drying up following human encroachment, silting and scanty rainfall.
Gorakhpur has several large perennial lakes and swamps which provide a wintering and staging ground for a number of migratory waterfowls and a breeding ground for resident birds (13).