Text/HTML
Login
Menu
Collections
About
Submit
FAQs
Search Open/Close
Open/Close Header Details
Search
Argilla Road Restoration of a Tidally-Restricted Salt Marsh
Menu Open/Close
NOAA Restoration Center
Community-Based Restoration Program
Read More
x
Argilla Road
Argilla Road
A thirty-two inch cross connection culvert at Argilla Road restricted natural tidal flushing to a 20-acre marsh. This undersized culvert was replaced with a 5-foot by 8-foot concrete box culvert in November 1998 to increase the mean-high-water level in portions of the previously restricted marsh.
Argilla Road Restoration of a Tidally-Restricted Salt Marsh
Argilla Road Restoration of a Tidally
Restoration
A crane lowers the last section of the culvert into place.
Download
.jpg
(1.03 MB)
This image was taken during the last stages of the work. The road is beingresurfaced and the hole is being backfilled after placing the culvert. Thewater swirling around the culvert clearly indicates increased water flow at thesite.
Download
.jpg
(1.32 MB)
Culvert parts en route to the site arrive as the crane offloads varioussections of the culvert off the flatbed.
Download
.jpg
(1.1 MB)
The restoration site - post restoration. Here the site is seen on an outgoingtide. The restoration increased the tidal range of the upstream side of thecreek so that it was roughly equivalent to the downstream side.The culvert measured approximately
Download
.jpg
(1.46 MB)
Looking upstream at the original culvert. The culvert was approximately 36in diameter. Before placement of the new culvert there was an 18 tidalheight differential between the up and down stream sides of the marsh. Thisrestriction reduced available f
Download
.jpg
(1.48 MB)
The first piece of the culvert being installed, Phragmites australis, aninvasive plant species in the background.
Download
.jpg
(1.31 MB)
midway through the construction
Download
.jpg
(1.14 MB)
An aerial view of the Argilla Road salt marsh, looking upstream prior torestoration.
Download
.jpg
(1.51 MB)
Enter Title
Back To Top