Topic: Fall Overturn
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Answers to Common Questions
How does spring and fall overturn in lakes affect oxygen levels?
It allows colder water on the bottom to come to the surface and be re-oxygenated. Read More »
Source: http://answers.yahoo.com/question/index?qid=20080913193017AAqZWSo
Why don’t tropical lakes overturn in spring and fall-?
There is no thermocline in these lakes. A thermocline is an area that separates cold water from warm water. When the warm top water cools it becomes heavier and sinks forcing the less dense water below to the top. In tropical lakes the temp... Read More »
Source: http://answers.yahoo.com/question/index?qid=20070505164447AAQmlh4
