epilimnia
/ˌɛpɪˈlɪmniə/
noun
- The upper, warm layer of water in a lake or reservoir, above the thermocline, where sunlight penetrates and mixing occurs.
- Fish tend to gather in the epilimnia during warm months because the water is warmer and contains more food.
- Scientists measured oxygen levels in the epilimnia to assess the health of the reservoir.
- In summer, the epilimnia of temperate lakes become rich with algae and plant life.
Antonyms