Presentation on theme: "Foster and sustain the environmental and economic well being of the coast by linking people, information, and technology. Center Mission Coastal Hazards."— Presentation transcript:
Foster and sustain the environmental and economic well being of the coast by linking people, information, and technology. Center Mission Coastal Hazards Coastal Habitat Coastal Information Access and Use Capacity Building Theme Areas
Coastal Hazards - What are the Issues? Coastal hazards can be defined as episodic or chronic destructive natural system events that affect coastal areas. These include: Meteorological = hurricanes, tropical cyclones, northeasters, and coastal and riverine flooding Geological = earthquakes, tsunamis, landslides, and chronic erosion Growing concern over continuing worldwide rise in disaster loss totals Estimated cost is $10 to $50 billion annually in U.S. Global climate change or natural cyclical trends Improvements in disaster monitoring and loss reporting Increased human exposure in hazardous locations
Coastal Hazards Risk Assessment Local government interaction Insurance industry involvement Training on mitigation Regional vulnerability atlas Mitigation workshops GIS as decision support tool
Coastal Hazard Mitigation Multi-disciplinary efforts focusing on community risks and vulnerabilities and the true costs of hazards Hazard Reduction –Altering the coastal environment (erosion control, beach nourishment) –Strengthening the built environment (windproofing, elevating structures) Hazard Avoidance –Managing development in high hazard areas (land use planning, economic incentives, education) –Prohibiting development in high hazard areas (zoning)
Hazard Identification Storm Surge Wind Flood Tornado Earthquake Wildfire Hazardous Spills Toxic Release Hazard Identification List of prioritized hazards for use in developing mitigation strategies and prioritizing mitigation projects. Input Output What hazards are you concerned about? How would you prioritize them?
Hazard Analysis SLOSH Model Inland Winds Model Floodplain Maps Soils Land Cover Erosion Rates Hazardous Waste Hazard Analysis Geographically defined risk consideration areas to be used as a filter for analyzing vulnerability and targeting high-risk locations for mitigation projects. Input Output Where are your risk consideration areas? How would you prioritize these risk areas?
Step 2a Map risk consideration areas for hazards. Hazard Analysis Step 2b Prioritize risk consideration areas within each hazard, where possible.
Critical Facilities Analysis Police Fire/EMS Hospitals Shelters Utilities Communication Government Facilities Roads & Bridges Schools Critical Facilities Analysis A systematic assessment of the vulnerability of critical lifelines or key resources to various hazard impacts. Can be used to identify and prioritize mitigation projects. Input Output What are your critical facilities and where are they located? How vulnerable are they to physical and operational impacts from hazards?
Types of Critical Facilities in Inventory Information to Collect in the Inventory Shelters Schools Medical Fire/EMS Police Utilities Communications Transportation Government Facilities Miscellaneous Facility Name Address Owner/Operator Contact Phone Alternate Contact Alternate Phone x and y Coordinate
Societal Analysis Poverty Age Minority Population No Vehicles Female Households Rental Households Public Assistance Societal Analysis Geographically defined areas of high risk coupled with minimal personal resources for hazard recovery. Can be used to develop mitigation strategies and target high-need locations. Input Output Where are your high-need neighborhoods? How vulnerable are they to hazard impacts?
Step 4a Identify societal need indicators and collect relevant data. Step 4b Locate high-need areas. Step 4c Identify high-need areas that intersect with high risk locations Step 4d Conduct general inventory of high-need/high risk locations. Societal Analysis
Economic Analysis Agriculture Mining Construction Manufacturing Transportation Wholesale & Retail Services Finance, Insurance Real Estate Economic Analysis Geographically defined areas of high risk coupled with potential impacts on vulnerable sectors of the economy. Can be used to develop mitigation strategies and target high impact economic sectors. Input Output What are your primary economic sectors and how vulnerable are they to hazards? Where are your largest employers and how vulnerable are they to hazard impacts?
Step 5a Identify primary economic sectors and locate clusters or economic centers. Step 5b Identify intersection of economic centers and high risk locations. Step 5c Conduct general inventory of high risk economic centers. Step 5d Identify large employers. Step 5e Conduct vulnerability assessment of large employers (similar to critical facilities.) Economic Analysis
Environmental Analysis Hazardous Materials Toxic Release Sites Oil Facilities Ports Marinas Discharge Sites Environmental Analysis Geographically defined areas of high risk coupled with potential of secondary environmental impacts. Can be used to target mitigation projects that will protect sensitive natural resources. Input Output Where are your hazardous materials located and how vulnerable are they to natural hazards? How vulnerable are critical natural resources to secondary hazard impacts?
Step 6a Identify secondary hazard risk consideration sites. Step 6c Conduct vulnerability assessments of priority secondary risk sites (similar to critical facilities.) Step 6b Identify intersections of secondary risk sites with high natural hazard risk areas and environmentally sensitive areas to identify priority locations. Environmental Analysis
Mitigation Opportunities Analysis Policy Status Undeveloped Land Age of Housing Stock Population Projections Land Cover Change Zoning Mitigation Opportunities A systematic assessment of existing and potential land uses focused on high hazard areas. Can be used to evaluate future impacts of proposed hazard mitigation strategies. Input Output Where are your best opportunities for mitigation policy changes to have significant impacts on future hazard vulnerability?
Mitigation Opportunities Analysis Step 7a Identify areas of undeveloped land and the intersection with high risk areas. Step 7b Inventory land for existing policies (zoning, floodplain regulations) to determine adequacy of existing policies to prevent unwise development.