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East Timbalier Island Restoration Project
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NOAA Restoration Center
Coastal Wetlands Planning
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East Timbalier Island Restoration Project
East Timbalier Island Restoration Project
East Timbalier is a 400-acre island in LaFourche Parish, Louisiana and is part of an island chain that fronts Terrebonne/Timbalier Bay. Construction on East Timbalier was completed in December 1999 and involved the creation of emergent habitat to increase the longevity of the island using soft-structural techniques (sand placement) and hard structures (rubble mound revetment) where shoreline stabilization was needed. Almost three million cubic yards of sediment were utilized to establish a 200-foot wide dune and a 600-foot wide marsh along the length of the island. This created 170 acres of intertidal marsh and is helping to protect thousands of acres of existing fringing marsh to the north. To further stabilize the dredged sediments, 13,000 feet of sand fences and approximately 20,000 plugs of marsh grasses were added in May 2000 and June 2001 respectively.
East Timbalier Island Restoration Project
Timbalier Island Restoration Project
Restoration
An aerial view of East Timbalier Island, the Gulf of Mexico is on the right. Thesandy brown areas in the middle of the photograph are the newly createdmarsh and dune habitat.
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Here, a clear view of the direction that the island is accreting toward can beseen in the foreground of the picture.
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(1.3 MB)
Looking from Timbalier Bay to the Gulf of Mexico.
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(1.31 MB)
An aerial view looking out toward the Gulf of Mexico. The oil fieldinfrastructure can be clearly seen in the lower right hand corner of thephotograph.
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(1.22 MB)
A view at the west end of the project site, dune habitat is on the right, marshhabitat is to the left.
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(1.52 MB)
An aerial view of construction dredge pipes depositing sediment into containmentareas of the restoration site to build marsh platform. The containment dikesare built to allow time for the marsh platform to accrete.
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(1.4 MB)
An aerial with a closer view of the containment dike on the right. Oneinteresting feature to note is the multiple outlets pumping sediment onto theisland. East Timbalier Island was sediment starved, the pumping of sedimentsonto the marsh platform is
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An image of the stable portion of the island.
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(1.26 MB)
The Gulf of Mexico at the west end of the project.
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As seen from directly above the west end of the project.
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(1.18 MB)
An overview of sediment being pumped into the containment area.
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(1.15 MB)
Looking directly at the sediment being pumped into the containment dike.
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(1.36 MB)
A part of the containment dike.
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A piece of specialized equipment called a marsh buggy. The buggy was usedto bring sediments to the newly created marsh.
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(1.3 MB)
The newly created marsh platform shows the marsh buggy tracks after workingto stabilize the area. This is an after restoration image.
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Plastic tarps temporarily hold together the sediments that comprise thecontainment dike fronting the Gulf of Mexico.
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(1.25 MB)
A view of the west end of the project area.
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(1.45 MB)
A close-up aerial view of the west end of the project.
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(1.44 MB)
This view of the west end shows the oil and gas infrastructure on the islandwhere the main pumping area is located.
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An overview looking west.
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