levees
Synonyms
Examples
Along much of the Snake River is a system of levees to protect against flooding.
Artificial levees block spring flood water that would bring fresh water and sediment to marshes.
Although the spill was slowed by levees and diverted by way of the Guadalquivir to the sea, the vulnerability of Doñana's ecosystems to such environmental catastrophes was evident.
Deposition of levees is a natural consequence of the flooding of meandering rivers which carry high proportions of suspended sediment in the form of fine sands, silts, and muds.
Because the levees are some distance from the river, at high tide the Lower Rhine has more room for widening than the Upper Rhine.
Additionally, rain is a big factor here," said DHS chief Michael Chertoff about water pouring over the tops of the levees.