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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

Noun- The part of a lake below the thermocline made up of water that is stagnant and of essentially uniform temperature except during the period of overturn.

Usage examples (31)
  • This mesotrophic area of the lake has a narrow hypolimnion that is often deficient of oxygen.
  • Nitrite (NO2) rarely accumulates except in the metalimnion and hypolimnion of eutrophic lakes.
  • With no circulation to restore it and no aquatic plants to produce it, oxygen levels in the hypolimnion layer decline.
  • When the hypolimnion of a eutrophic lake becomes anaerobic, bacterial nitrification of ammonia ceases and the NH4+ concentrations increase. for more
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