Why is Lake McDonald so clear?
Why is Lake McDonald so clear? In accordance with their mountainous environment, Glacier Park lakes are privy to sub feezing temperatures, which lend themself to unusually clear waters, because much of the surface life that tends to characterize warmer lakes, such as algae and plankton, are simply unable to survive.
Why does lake McDonald not freeze?
Extended periods of below freezing temperatures are needed to form ice on the lake. Wind keeps water moving and circulating, keeping it from turning to ice. As weather conditions vary, so will the ice on the lake.
What is the cleanest lake in the world?
Blue Lake, New Zealand Located in Nelson Lakes National Parks, Blue Lake is the clearest lake in the world. The lake is also known as Rotomairewhenua.