The newly acquired tribal property is on part of a natural levee
that extends northwest from the former Thibault Plantation to the Clinton National Airport.
Perilous Place, Powerful Storms begins with the history of New Orleans' chronic flood problem, which was accentuated as the city expanded into low-lying areas, that is, away from the natural levee
The levee at the Sauve plantation upstream gave way, and water careened off Metairie Ridge, a relict river in which sedimentary deposits had created a crescent-shaped natural levee
(see map, p.
Shell's $100,000 grant will help fund efforts to open or re-open the natural levee
in the area in order to re-sediment it and build wetlands.
Unlimited hydroplanes roar by at speeds of up to 200 miles per hour, while families picnic under the trees on Madison's natural levee
The transects, with a combined length of 1500 m followed a moisture and elevation gradient from a mesic natural levee
Digging into a high natural levee
paralleling the Mississippi River, University of Wisconsin-Madison archaeologists have discovered an ancient campsite or village that recurrently was occupied by a procession of native cultures for almost three millennia.
And natural levees
, back swamps and coastal swamps between 100 million and 84 million years ago
Extensive floodplain wetlands along the creek are maintained by small natural levees
Before European settlement, trees occurred on the natural levees
created by the Mississippi River and its distributaries, and on beach ridges called "cheniers" (from the French word for oak) formed on the mudflats along the Gulf coast.
It seems interesting that undersea flows have at least one characteristic different from rivers: "While river floods on land can create natural levees
a few meters tall, the levees formed by [undersea] turbidity currents can grow up to 100 m[eters] high" ("Hidden Canyons" SN: 1/1/05, p.
Before the Civil War, lowland residents started raising the natural levees