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Climate Risk in the Seacoast (C-RiSe) Project

Completed in March 2017, the Climate Risk in the Seacoast (C-RiSe) project developed vulnerability assessment reports and map sets detailing potential coastal flooding impacts to transportation systems, critical facilities and infrastructure, and natural resources for the 10 tidally influenced municipalities surrounding  New Hampshire’s Great Bay Estuary (i.e., Dover, Durham, Exeter, Greenland, Madbury, Newfields, Newington, Newmarket, Rollinsford, Stratham). Specifically, the C-RiSe project incorporated the following assessment components:

  • Sea-Level Rise and Storm Surge Inundation Mapping – Flood extents for six sea-level rise and sea-level rise plus storm surge scenarios were mapped for each municipality.
  • Municipal Vulnerability Assessments – Vulnerability assessments quantified and mapped impacts to transportation systems, critical facilities and infrastructure, and natural resources was conducted for each municipality to provide a broad overview of the potential risk and vulnerability of municipal assets and resources resulting from projected increases in sea level and coastal storm surge flooding.
  • Culvert Assessment – Modeling was developed to assess hydraulic capacity, aquatic organism passage (AOP), and geomorphic compatibility (GC) for a selection of road/stream crossings (culverts) at various storm flows. Modeling results will enable municipalities to identify and prioritize culverts for replacement that have inadequate flow capacity and/or present barriers to aquatic organism passage.
  • Hazard Mitigation Planning – Outreach and technical assistance was provided to each municipality to inform municipal leaders about future coastal flood risks and identify ways to incorporate vulnerability assessment results and adaptation strategies into local planning efforts. The municipal vulnerability assessment reports were designed for future inclusion in local hazard mitigation plans.
The C-RiSe project was funded by the National Oceanic and Atmospheric Administration under the Coastal Zone Management Act (CZMA) Enhancement Program Projects of Special Merit for FY2015, authorized under Section 309 of the CZMA (16 U.S.C. § 1456b).

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Project Team:

Project Deliverables:

Contact:

For more information about the C-RiSe Project, contact:
Steve Couture
Coastal Program Manager
(603) 271-8801
steven.couture@des.nh.gov

 

 

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