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GEMET
General
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Environmental
Thesaurus
brassage convectif
Definition

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.

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Scope note

Scope note is not available.

Concept URL: http://www.eionet.europa.eu/gemet/concept/5967