Title: North Carolina Outer Banks and Sounds
1North Carolina Outer Banks and Sounds Adapting
for Sea-Level Rise Jeff DeBlieu Global
Climate Change Team September 2007
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3Sea-level rise averages 4.4mm per year
4 25 years 10 cm or 4 inches
5 50 years 23 cm or 9 inches
6 75 years 40 cm or 15 inches
7100 years 61 cm or 24 inches
8Adaptation Strategies
Restoring hydrology ?
Eliminating canals and ditches Planting
salt-tolerant species ? Restoring
oyster reefs Changing fire management ?
Soft-armoring shorelines
9Conservation Action Planning
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11Conservation Action Planning
12Strategic actions
- Predict where the estuarine shoreline is likely
to be in 100 years. - Conserve and restore areas that will increase
in conservation value due to sea-level rise. - Restore hydrology to reduce saltwater intrusion
and to make those lands more resilient. - Plant salt-tolerant species in areas likely to
be flooded. - Restore oyster reefs to absorb wave energy and
buffer estuarine shorelines.
13Strategic actions
- Develop an ecosystem management program for the
Albemarle-Pamlico system. - Incorporate expected climate change impacts in
Farm Bill programs. - Adjust wetland mitigation and restoration
requirements to consider sea-level rise and
climate change. - Encourage state and local governments to
address sea-level rise in land-use planning and
zoning. - Modify government hazard maps, emergency and
disaster response plans and post-disaster actions.
14Strategic actions
- Limit post-disaster reconstruction in
vulnerable areas. - Prevent development of newly emerged, accreted
and artificially filled shore areas. - Ensure that newly submerged lands continue to
become part of the public trust. - Limit shoreline management to adaptive
strategies that allow movement prevent hard
armoring. - Promote tax incentives for landowners to pursue
conservation options that accommodate sea-level
rise.