Estuary: nm (word coming from the Latin aestuarium, from aestus “movement of the waves”: stirrup).
The estuary is the terminal part of a river sensitive to the tide and sea currents, often in the form of a flared mouth.
(other names: aber, etier, ria).
In this mouth, the mixture formed from sea water and fresh water from the river is brackish water.
In brackish waters, the total concentration of dissolved sea salt is generally between 1 and 10 g/l while...
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