polar lake

polar lake

[′pō·lər ′lāk]
(hydrology)
A lake whose surface temperature never exceeds 4°C.
References in periodicals archive ?
The new flyover maps show, for the first time, the 3-D topography and height of the 1,200-meter (4,000-foot) mountain tops, the north polar lake country, the vast dunes more than 100 meters (300 feet) high that crisscross the moon, and the thick flows that may have oozed from possible ice volcanoes.
Other companies participating in the competition included 5 X 5 Software, Fiorano, Grand Central Communications, iWay, Polar Lake, Software AG, and Sonic Software.
The report profiles several vendors, including Akazi, BEA Systems (NASDAQ:BEAS), Bind Systems, BlazeSoft, Choreology, Collaxa, Commerce One, Digital Evolution, FiveSight, Fuego, Genient, HandySoft, IBM (NYSE:IBM), IDS-Scheer, Intalio, MEGA Systems, Novell (NASDAQ:NOVL), Metastorm, Microsoft (NASDAQ:MSFT), Oak Grove Systems, Pegasystems, Polar Lake, Popkin Software, Proforma, SAP, Savvion, Sonic Software (NASDAQ: PRGS), and Versata.
Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it, a new study suggests.