ENVIRONMENT
- iompú uisce Tagairt an Ghníomhaireacht Eorpach Comhshaoil (GEC)
- ga
- overturn (limnology)
- en
- Sainmhíniú 1.The circulation, especially in the fall and spring, of the layers of water in a lake or sea, whereby surface water sinks and mixes with bottom water; it is caused by changes in density differences due to changes in temperature, and is especially common wherever lakes are icebound in winter. Tagairt 1.BJGEO;