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Visualizing Sea Level Rise: A Glimpse a Rhode Island’s Future Coastline

Visualizing Sea Level Rise: A Glimpse a Rhode Island’s Future Coastline

by A.J. Wilson
Rhode Sea Grant & the University of Rhode Island Coastal Resources Center

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Ri sealevelrise-visualize2 Ri sealevelrise-visualize2 Presentation Transcript

  • Visualizing Sea Level Rise: A Glimpse a Rhode Island’s Future Coastline by A.J. Wilson RI Sea Grant/URI Coastal Resources Center
  • Sea Level Rise Visualizations
    • Visualizations are representative examples of potential future scenarios, and are not intended to be used for floodplain management or planning purposes.
    • Based on tidal datum reference of Mean Lower Low Water (MLLW)
    • RI CRMC Policy on Sea Level Rise states “it is the Council’s policy to accommodate a base rate of expected 3 to 5 foot rise in sea level by 2100 in the siting, design, and implementation of public and private coastal activities and to insure proactive stewardship of coastal ecosystems under these changing conditions. (RI Coastal Resouces Management Plan, Section 145)
    • Recent studies projecting accelerated sea level suggest that by 2100 sea level in Rhode Island could rise approximately 2 to 5 feet .
    90 to 110+ years 60 to 110+ years 20 to 60 years US Army Corps of Engineers, USACE Circular No. 1165-2-211, 2009 One percent chance of occurrence every year 80 to 90+ years 60 to 90+ years 20 to 40 years Vermeer and Rahmstorf, 2009 Hurricane 1938 surge height 5 foot SLR 3 foot SLR 1 foot SLR Sea Level Change Study
  • Narragansett Towers, Narragansett, RI March 2008 High Tide (2.56 ft)
  • Narragansett Tower, Narragansett, RI High Tide (2.56 ft) with an additional 3ft of sea level rise
  • Narragansett Tower, Narragansett, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 3 feet of sea level rise
  • Narragansett Tower, Narragansett, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 5ft of sea level rise
  • Downtown Wickford, North Kingstown, RI High Tide (2.69 ft) plus 3ft sea level rise projection
  • Downtown Wickford, North Kingstown, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) plus 3 ft sea level rise projection
  • Downtown Wickford, North Kingstown, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) plus 5 ft sea level rise projection
  • Succotash Bridge, South Kingstown, RI March 2008 High Tide (2.46 ft)
  • Succotash Bridge, South Kingstown, RI High Tide (2.46 ft) with an additional 3ft of sea level rise
  • Succotash Bridge, South Kingstown, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 3 feet of sea level rise
  • Kayak Center, Charlestown, RI March 2008 High Tide (1.70 ft) Kayak Center, Charlestown, RI March 2008 High Tide (1.70 ft)
  • Kayak Center, Charlestown, RI High Tide (1.70 ft) with an additional 3ft of sea level rise
  • Kayak Center, Charlestown, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 3 feet of sea level rise
  • 5 feet over spring Kayak Center, Charlestown, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 5 ft of sea level rise
  • Middlebridge Road, Narragansett, RI March 2008 High Tide (2.63 ft)
  • Middlebridge Road, Narragansett, RI High Tide (2.63 ft) with an additional 3ft of sea level rise
  • Middlebridge Road, Narragansett, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 3 feet of sea level rise
  • Watch Hill, Westerly, RI -.36 ft above MLLW
  • 3 feet over spring Watch Hill, Westerly, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 3 feet of sea level rise
  • Watch Hill, Westerly, RI Average Spring Tide 1983-2001 Tidal Epoch (5.11 ft) with an additional 5 feet of sea level rise