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During bouts of severe weather, including tropical storms and hurricanes, coastal dune systems provide crucial protection for coastal communities, but these dunes can be torn apart by high winds and strong surf. However, the very surf that at times causes damage is also delivering natural materials that may prove to be the key to a more resilient dune system.
Researchers at the U.S. Army Engineer Research and Development Center (ERDC), along with partners at the U.S. Army Corps of Engineers (USACE) Mobile District and The University of Southern Mississippi (USM), are developing methods to use this natural material – known as wrack – to build coastal dunes crucial to protecting the coastline during hazardous weather events like hurricanes.
MANTEO From beach nourishment to channel dredging to erosion control to material disposal to shoreline preservation, sand management in coastal North Carolina communities is no longer a sporadic chore.
A view of the Cape Hatteras National Seashore showing the oceanfront and soundside. Photo: NPS
MANTEO From beach nourishment to channel dredging to erosion control to material disposal to shoreline preservation, sand management in coastal North Carolina communities is no longer a sporadic chore.
It is an engineering challenge, a ballooning expense, a bureaucratic headache, an evolving menace.
With rapidly changing coastal dynamics, it is also a necessity and, increasingly, a blessing.
Long-term planning for projects whether permitting or designing that would replace, preserve, move and/or remove sand is currently underway or about to be implemented at local, state and federal levels in North Carolina.