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City of Punta Gorda Adaptation Plan Southwest Florida Regional ...

City of Punta Gorda Adaptation Plan Southwest Florida Regional ...

Executive Summary The

Executive Summary The City of Punta Gorda is currently experiencing climate change. The natural setting of the City coupled with extensive infrastructure investment in the areas closest to the coast have placed the City at the forefront of geographic areas that will be among the first to suffer the negative effects of a changing climate. Severe tropical storms and hurricanes with increased wind speeds and storm surges have already severely damaged the community. Significant losses of mature mangrove forest, water quality degradation, and barrier island geomorphic changes have already occurred in the adjacent Charlotte Harbor. Longer, more severe dry season droughts coupled with shorter duration wet seasons consisting of higher volume precipitation will generate a pattern of drought and flood impacting both natural and man-made ecosystems. Even in the lowest impact future climate change scenario predictions, the future for the City will include increased climate instability; wetter wet seasons; drier dry seasons; more extreme hot and cold events; increased coastal erosion; continuous sea-level rise; shifts in fauna and flora with reductions in temperate species and expansions of tropical invasive exotics; increasing occurrence of tropical diseases in plants, wildlife and humans; destabilization of aquatic food webs including increased harmful algae blooms; increasing strains upon and costs in infrastructure; and increased uncertainty concerning variable risk assessment with uncertain actuarial futures. In the course of the project we identified 246 climate change management adaptations that could be utilized to address the various vulnerabilities identified for the City Currently the City of Punta Gorda is among the most progressive municipalities in the United States with regard to planning for climate change. It has already adopted comprehensive plan language to address the impacts of sea level rise, and seek strategies to combat its effects on the shoreline of the City. This report identifies the alternative adaptations that could be undertaken to address the identified climate change vulnerabilities for the City of Punta Gorda. These adaptations are presented in the order of prioritized agreement from the public meetings. Only the highest agreement adaptation in each vulnerability area is fully developed for potential implementation. One of the utilities of this approach is that it provides a variety of adaptation options, which the City could select for implementation, adaptive management, and subsequent monitoring. During public workshops the citizens of the City of Punta Gorda Identified 54 vulnerabilities that combined into 8 major areas of climate change vulnerability for the city including, in order of priority: 1. Fish and Wildlife Habitat Degradation; 2. Inadequate Water Supply; 3. Flooding; 4. Unchecked or Unmanaged Growth; 5. Water Quality Degradation; 6. Education and Economy and Lack of Funds; 7. Fire; Adaptation Plan Page 16

8. Availability of Insurance. The City of Punta Gorda has already undertaken a variety of affirmation adaptation actions that will assist in reducing the impacts form climate change and increasing resiliency to climate change effects. These include elevation of structure and improvements of drainage systems as part of the City‘s recovery from the impacts of Hurricane Charley; relocation of the public works facility to a location of lower hazard from natural disasters and coastal flooding, adoption of a Transfer of Development Rights program to protect historical and natural resource areas, and a completed Local Mitigation Strategy for natural disasters. The 2010 City of Punta Gorda Strategic Plan Focus Area Objectives includes several affirmative adaptations that will address some of the issues of Avoidance, Minimization, Mitigation and Adaptation for Climate Change. These include: Enhance energy independence of city-owned property, including more use of solar and other forms of power to eventually take the city ―off the grid‖. Enhance green initiatives to include adoption of green building ordinance modeled after Charlotte County, participation in Green Futures Expo & Energy Options Conference and publicizing programs in City departments. Achieve progress of annexations along US 41 corridor, Jones Loop Rd. (pending successful voluntary annexation of the Great Loop), US 17 corridor and other areas as deemed appropriate during the year. Undertake through design and/or completion of ongoing infrastructure improvements including the Public Works/Utilities Cooper Street Campus; Downtown Flooding Improvements; San Rocco/Madrid Blvd. Drainage Improvements; Carmalita Street, West of Cooper Street, Drainage & Streetscape Improvements; Multi Use Recreational Trail Phase 1 (Monaco to Aqui Esta); Multi Use Recreational Trail Phase 2 (Aqui Esta to Airport and Monaco to Taylor) – Design; Hendrickson Dam Spillway Replacement; East Side Wastewater Improvements; Reverse Osmosis Plant - Design Develop a bike path program that meets the requirements of Bicycle Friendly Community and prepare an application for the City to apply for that designation. Utilize pavers in parking areas. Consider expanding wastewater treatment capacity by having residential lawns, irrigated parks, golf courses etc. served by gray water. A total of 104 acceptable and 34 unacceptable recommended adaptations were identified during the public workshops and prioritized by agreement. The top agreed upon adaptations for each area of vulnerability include: Seagrass protection and restoration Xeriscaping and native plant landscaping. Explicitly indicating in the comprehensive plan which areas will retain natural shorelines. Constraining locations for certain high risk infrastructure. Restrict fertilizer use. Adaptation Plan Page 17

  • Page 1 and 2: City of Punta Gorda Adaptation Plan
  • Page 3 and 4: Charlotte Harbor National Estuary P
  • Page 5 and 6: Acknowledgements This project has b
  • Page 7 and 8: Algal blooms ......................
  • Page 9 and 10: Source: FDEP 2009..................
  • Page 11 and 12: Table 32: Potential Coastal Storm S
  • Page 13 and 14: ADAPTATION: Explicitly indicate in
  • Page 15: Summary Conclusion ................
  • Page 19 and 20: City of Punta Gorda Comprehensive P
  • Page 21 and 22: The Current Climate of Southwest Fl
  • Page 23 and 24: type of rainfall event that causes
  • Page 25 and 26: Figure 2: The City of Punta Gorda i
  • Page 27 and 28: Figure 3: USGS TOPO Map of the City
  • Page 29 and 30: Figure 5: Existing Land Use of the
  • Page 31 and 32: Figure 6:- The City of Punta Gorda
  • Page 33 and 34: The asset inventory is a way to ass
  • Page 35 and 36: CHNEP/SWFRPC team was to take the l
  • Page 37 and 38: Each participant had to pick and di
  • Page 39 and 40: Figure 7: The Adaptation Game board
  • Page 41 and 42: would ―park‖ the label in the c
  • Page 43 and 44: Description of Specific Implementat
  • Page 45 and 46: 2. Increasing the flexibility of vu
  • Page 47 and 48: Prioritized Vulnerabilities and Ada
  • Page 49 and 50: Increases in global surface tempera
  • Page 51 and 52: Climate-related changes in freshwat
  • Page 53 and 54: marsh may be overgrown by other spe
  • Page 55 and 56: Figure 12: Wetlands and Uplands of
  • Page 57 and 58: Changes to phenology of anadromous
  • Page 59 and 60: Air temperature increases will affe
  • Page 61 and 62: Changes in freshwater releases from
  • Page 63 and 64: own pelican populations were reduce
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    protection and preservation activit

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    The Rapid Stabilization Case (of gr

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    Probability (%) 2025 2050 2075 2100

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    Figure 15: Sea level rise in three

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    The elevations analyzed (0.5, 1.0,

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    Figure 18: Acres of habitat or land

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    Figure 19: Acres of freshwater wetl

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    Habitat and Species Changes The Sea

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    Habitat Initial Condition Percent o

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    Figure 22: SLAMM Predictions of Hab

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    Figure 23: Habitat Structure 2000 S

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    weeds threaten to crowd out native

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    Table 7: Adaptations to Address Fis

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    Habitat protection/rete ntion Regul

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    Property, Shell Creek, Integrated H

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    Establish living shorelines Restore

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    Preserve, Charlotte Harbor and Myak

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    Do nothing Stop unchecked commercia

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    Figure 25: Seagrass coverage map fr

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    Figure 26: Baseline seagrass covera

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    Persistence maps were also created

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    Figure 30: Seagrass persistence in

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    Having determined the extent of the

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    Upon approval by the Management and

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    1993 Acres Gains/Losses (Acres) Gai

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    County;• Pansy Bayou, No Entry Zo

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    Vulnerability 2: Inadequate Water S

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    enforced except during extreme cond

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    Consider climate change in water su

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    demands Use of reclaimed water for

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    Identify alternative sources Charge

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    Require use of xeriscaping Inadequa

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    Table 14: Adaptations to Inadequate

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    where one plant is known to thrive,

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    Vulnerability 3: Flooding Hurricane

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    Figure 33: Atlantic hurricanes pass

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    Figure 34: Number of Structures in

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    Source: Charlotte County Property A

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    Figure 38: City of Punta Gorda Crit

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    Figures 40-42-35: Values for Critic

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    POTENTIAL MINIMUM COASTAL STORM SUR

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    Tropical storm effects on historic

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    Tropical storm effects on repetitiv

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    Figure 49: Potential Storm Surge Lo

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    Effects of a Category 1 storm on hi

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    Effects of a Category 1 storm on re

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    Category 2 Event Under the minimum

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    Effects of a Category 2 storm on to

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    Effects of a Category 2 storm on cr

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    Effects of a Category 3 storm on hi

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    Effects of a Category 3 storm on re

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    Category 4/5 Event For a Category 4

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    Effects of a Category 4/5 storm on

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    Effects of a Category 4 or 5 storm

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    ESTIMATED VALUES FOR STRUCTURES WIT

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    In most cases, the damage from any

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    POTENTIAL LOSSES FOR STRUCTURES OWN

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    Figure 75: Critical Facilities and

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    Figure 77: Future Land Use (2018) i

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    Complete downtown flooding study Fl

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    Land acquisition for retreat/reloca

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    Improve weather response plans Buil

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    ADAPTATION: Explicitly indicate in

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    that reduces these effects is compl

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    Sustainable protection of low energ

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    Managed retreat Managed retreat or

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    Figure 80: Rolling easement step 2

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    Figure 82: Rolling easement step 4

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    first because suitable land uses wi

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    project). Federal subsidies for sew

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    the system or would destroy marine

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    The State Comprehensive Plan, under

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    Approaches for maintaining shorelin

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    Breakwaters, bulkheads, residential

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    Additional Adaptations to Sea Level

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    In an example of rolling easements

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    Alternative Shoreline Less than tot

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    The following is a discussion on ho

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    One way for decision makers to more

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    example, if a community establishes

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    Table 56: Adaptations to Address Un

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    Growth Use coastal management in la

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    planning Elevate land surfaces Esta

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    Table 57: Adaptations to Address Un

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    . The Land Development Regulations

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    intrusion economy conservation land

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    Proper consideration of hazardous m

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    Create regional sediment management

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    Control runoff through improved lan

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    PROVIDING RECOMMENDED EXEMPTIONS; P

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    approval. Non-compliant jurisdictio

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    Incorporating critical facilities i

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    State-Wide Approach for Identifying

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    No Shore Protection (light green) P

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    Table 62: Adaptations to address Ed

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    political schedules Change to energ

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    Use pure science/proven information

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    Provide rebates for installation of

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    Solve insurance problem to encourag

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    Obtain state/federal grants/loans N

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    Consider temperature when choosing

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    Implement land exchange programs Su

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    Additional insulation in buildings

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    All measures to reduce local GHG em

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    Redefine flood hazard zones Educati

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    ADAPTATION: Promote green building

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    these gases. When old units are bei

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    difficult to determine the amount o

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    does not take into account the mill

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    scientific disciplines, and should

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    effects of sea level rise on coasta

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    During these months, grass, leaves,

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    Limit development Fire Water Qualit

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    ADAPTATION: Drought preparedness pl

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    Vulnerability 10: Availability/Cost

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    of Punta Gorda. The weak tornado do

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    Figure 87: Number of Tornado Events

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    According to NOAA (2007), 60 signif

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    hurricanes. This high risk designat

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    Climate change may have a beneficia

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    Synergistic Risks Many other stress

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    $250,000 limit to NFIP, so either a

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    3) to restore oyster reefs, and 4)

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    design, building standards and land

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    Phase 1 (Monaco to Aqui Esta); Mult

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    explicit statements of how the indi

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    impeded implementation. More import

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    Adaptation Proximal Monitoring Phys

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    Explicitly indicating in the compre

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    Boyd, P.W., and S.C. Doney. 2002. M

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    Fields, P.A., J.B. Graham, R.H. Ros

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    Intergovernmental Panel on Climate

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    Ogden, J.C. 1978b. Roseate spoonbil

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    Sallenger, A.H., C.W. Wright, and J

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    Comprehensive Southwest Florida/ Ch

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    Wilson, C. 1997. Hurricane Andrew

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    Please attend . . . Tuesday, June 2

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    More wind 2 Change in summer rain p

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    20) Please let us know of any other

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    Increase research & formulate actio

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    Replace shoreline armoring with liv

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    Strengthen rules that prevent the i

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    Use native plants in landscaping Re

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    Use LED standards in building Use f

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    Use pure science/proven information

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    Reduce impervious surface allowed C

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    Channel water from impervious to pe

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    Appendix IV. City of Punta Gorda Cr

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    Clinic Clinic Clinic 100 Madrid Blv

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    Hazardous Sites Hazardous Sites Haz

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    Sewer Lift Or Treatment Sewer Lift

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    Appendix V. Presentations Presentat

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    Slide 9 Slide 12 Director: Lisa B.

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    Slide 7 Slide 10 North Captiva Isla

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    Slide 19 Slide 22 Objective 2.4.2:

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    Slide 31 Slide 34 Slide 32 Slide 35

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    Agricultural water reuse Allocate a

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    consider climate change in water su

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    Develop heat-health action plans Hu

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    Growth management and land use plan

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    incorporate sea level rise into pla

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    maintain shorelines w/soft measures

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    Plan vertical accretion of wetlands

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    purchase upland development rights

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    Research possible asthma increase d

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    Values might change as to what cons

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    Adaptation Plan Page 399

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    Adaptation Plan Page 401

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    Adaptation Plan Page 403

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    Adaptation Plan Page 405

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    Adaptation Plan Page 407

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    Appendix VIII. September 3, 2009 Pu

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