Cedar Key

CLIMATE CHANGE & SEA LEVEL RISE
IMPLEMENTATION
Joseli Macedo
University of Florida
KEY WORDS
SEA LEVEL RISE;
PLANNING FOR COASTAL CHANGE;
ADAPTATION;
SMALL TOWNS AND RURAL AREAS;
Retrieved from the Report: Planning for Coastal Change in Levy
County.
BACKGROUND
ON THE PLACE
LEVY COUNTY
Levy County. Frank, Jourdan & Volk (2014).
Retrieved from the Report: Planning for Coastal
Change in Levy County.
BACKGROUND ON THE PLACE
CITY OF CEDAR KEY
Permanent occupation by 1839
700 inhabitants;
420 acres of dry land;
Aerial view of Cedar Key. Retrieved SeeCedarKey at:
http://seecedarkey.com/history-of-cedar-key.
Several hurricanes and storm
surge over 3 meters (10ft)
Important port, railroad connecting
to Fernandina, until 1886. (Tampa)
Cedar Key historic structures. Frank,
Jourdan & Volk (2014). Retrieved from the
Report: Planning for Coastal Change in Levy
County.
BACKGROUND ON THE PLACE
SHORT DOCUMENTARY – “CEDAR KEY”. ADHOC (2012)
DISCUSSION OF KEY ISSUES
Cedar Key has high elevation compared to other Big Bend
regions;
Most occupied residential areas are above 10ft (Frank et al. 2014;
GeoPlan 2014);
Even then, 80% of residential parcels located within special flood
hazard area (FEMA);
Access to the city are considerable low. Considering 5ft sea level
rise (3ft + 2ft tide), 31% of territory would be covered;
Ecological vulnerability, higher salinity – changes in landscape,
forest may become salt marsh areas, and those existing today
may become open water.
Elevation Map. Frank, et al. (2014). Retrieved from the
Report: Planning for Coastal Change in Levy County.
100-year Storm Surge map. Frank, et al. (2014). Retrieved
from the Report: Planning for Coastal Change in Levy
County.
Sea Level Rise Scenarios
ADAPTATION STRATEGIES
• Protection: offshore breakwaters,
perched beaches, revetments, dikes,
floodwalls, seawalls, bulkheads, and
dams, as well as beach nourishment,
dune building, and marsh building.
Elevated edification at Cedar Key, complying with FEMA’s
regulation.
•
Accommodation: development
into areas not affected, or
consider predicted scenarios.
•
Retreat: relocation of infrastructure
or population.
PROTECTION
Source: Brenda Defoe
Living Shoreline Fortification Scenario
IMPLEMENTATION OF STORM SURGE
BARRIER
Timeline:
Feasibility analysis & design – 2 years
Tender process – 6 months
Construction – 6 years
ACCOMODATION
COMPACT COMMUNITY DESIGN
Overview of strategy
• Concentrated development
• Mix of land uses
• Implement LID techniques
Benefits
• Reduces development in
vulnerable areas
• Increases community choices
and economic resilience
(EPA, 2010)
• Protects wildlife areas
Image source: NOAA (2009)
Source: https://www.law.cornell.edu/supct/cert/11-626
Floodable and Floatable CBD Adaptation Scenario
Source: http://www.gans-studio.net/prefab-bungalow/9navkrihv4zvrr5sfe50zaw4v86lfq
Built Environment
Adaptation Scenario
Some examples of
buildings complying with
FEMA’s design standards
around downtown Cedar
Key.
Strategy: Canal Driven Development-Components
•Residents of Cedar Key, Rosewood and
Sumner
•Innovative Multi-modal Transportation
System
• Familiarity with Canals
Image: Plant Management along a canal in Florida
Source: University of Florida, 2014
•Investment Incentives
•TIF
•Tax Breaks
•“Cedar Key Way of Life”
Image: Dock Street Cedar Key
Source: cedarkeymarina.com, 2015
RETREAT
STRATEGY: ROLLING EASEMENTS
● Any institutional arrangement
that takes away the
landowner’s expectation of
holding back the sea
● Effective on barrier islands
where beach nourishment is
not economically feasible
Rolling Easement. Retrieved from http://papers.risingsea.net/rolling-easements-2-4.html
REFERENCES
AdHoc Films (2012). Cedar Key Documentary.
https://www.youtube.com/watch?v=2FIECjD7AyM
GeoPlan (2014). Florida Sea Level Scenario Sketch Planning
Tool. University of Florida.
http://leo.ags.geoplan.ufl.edu/slr_district_2W/
Frank, K, Jourdan, D, Volk, M. (2014). Planning for Coastal
Change in Levy County. Department of Urban and Regional
Planning, University of Florida.
SeeCedarKey (2014). History of Cedar Key.
http://seecedarkey.com/history-of-cedar-key/
All images unless otherwise noted were provided by the author.