Glossary of stream, lake and watershed terms
Kings Co., Wahington, USA
A Glossary of Some Common Terms Used Around Lakes
University of Wisconsin-Stevens Point
Glossary
Water on the Web
Glossary of General Wetland and Watershed Terms
Association of State Wetland Managers (USA)
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GLOSSARY OF LIMNOLOGICAL TERMS From Springer Athalassohaline: Having a salt composition very different from that of seawater Chemocline: Water layer with steep gradients of concentrations of chemicals (nutrients, oxygen, salts, etc.) Epilimnion: The upper, mixed layer of a stratified lake Holomixis: Period of complete mixing of a lake with water circulation from top to bottom Hypolimnion: The lower water layer of a stratified lake Meromixis: Permanent stratification, in which the water layers of a lake do not mix at any time during the annual cycle Metalimnion: Intermediate layer between the epilimnion and the hypolimnion; often corresponding to the chemocline and/or pycnocline Mixolimnion: The upper mixed layer of a meromictic lake Monomixis: Regime in which a seasonally stratified lake turns over once each year Monimolimnion: The stagnant bottom layer of a meromictic lake Oxycline: Water layer with a steep oxygen concentration gradient Pycnocline: Water layer with a steep density (salinity) gradient Thalassohaline: Having a salt composition similar to that of seawater Thermocline: Water layer with a steep temperature gradient |