Post on 05-Jan-2016
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Assessing Vulnerabilities:
A Panel Discussion
PanelistsPanelistsBurrell Montz, East Carolina University
Allison Yeh, Hillsborough County Metropolitan Planning Organization/Planning Commission
Lindsay Cross, Tampa Bay Estuary Program
Defining VulnerabilityDefining Vulnerability• 25+ definitions/concepts in the
literature
• UN/ISDR Definition:“The conditions determined by physical, social, economic and environmental factors and processes which increase the susceptibility of a community…”
• Definition of community?
Characteristics of Characteristics of VulnerabilityVulnerability
• Multi-dimensional and differential• Scale dependent
• Dynamic
Flood Inundation Vulnerability
(Vogel and O’Brien, 2004)
Key Spheres of Key Spheres of VulnerabilityVulnerability
Birkmann, 2006
Key ConsiderationsKey Considerations
• Susceptibility• Exposure• Coping Capacity• Adaptive Capacity
Assessing Vulnerability: Assessing Vulnerability: A Geographer’s A Geographer’s
PerspectivePerspective
• Institutional• Socio-Economic• Perceptual
Institutional: Institutional: Coastal Planning Coastal Planning
Monitz, 2011
Physical Vulnerability Physical Vulnerability ScoresScores
1.0-1.49 = extremely low vulnerability2.5-3.29 = moderate vulnerability
4.4-5.0 = extremely high vulnerability
Total Planning ScoresTotal Planning Scores
Socio-Economic: Socio-Economic: Differential Loss PatternsDifferential Loss Patterns
Hardest Hit in Hurricane Hardest Hit in Hurricane CharleyCharley
• Senior Living Developments
• Manufactured homes
• Snowbirds(Montz and Tobin, 2005)
Structure Type & Age Structure Type & Age MatterMatter
Lakewood Village Pine Acres
Block Group
% below povert
y
% over 65 & below
poverty
Median yr
home built
Med. Value mobile homes
% built 1970-1990
Pine Acres
15 12 1976 39,000 62
Lakewood Village
4 14 1981 53,300 46
Port Charlotte
5 60 1988 39,300 65
Harborview
8 60 1987 47,000 53
Hardest HitHardest Hit
Perceptual:Perceptual:Understanding VulnerabilityUnderstanding Vulnerability
• Landfall on August 27, 2011 near the Beaufort, North Carolina
• Weakened from a category 3 to 1
• Track shifted to the west
Final CommentsFinal Comments• Who is vulnerable• Why
o Institutionalo Socio-Economico Perceptual
• How vulnerable• To what• When
Critical Facilities and Hazard Zones
Rhoda and Burton, 2010
ReferencesReferences• Birkmann, J. 2006. Measuring vulnerability to promote disaster-resilient societies:
conceptual frameworks and definitions. In Birkmann, J (ed) Measuring Vulnerability to Natural Hazards: Towards Disaster Resilient Societies. Tokyo: United Nations University Press.
• Monitz, G.I. 2011. Using Vulnerability and Planning Data to Measure Resilience in Coastal North Carolina. Unpublished MA thesis, Department of Geography, East Carolina University
• Montz, B.E. and G.A. Tobin. 2005. Snowbirds and Senior Living Developments: An Analysis of Vulnerability Associated with Hurricane Charley. Quick Response Research Report 177. Boulder, CO: Natural Hazards Research and Applications Information Center
• Pace, W. 2013. Perceptions of Hurricane Risk Among North Carolina’s Coastal Residents: A Case Study of Hurricane Irene. Unpublished MA thesis, Department of Geography, East Carolina University
• Pace, W. and B.E. Montz. 2014. Category change and risk perception: Hurricane Irene and coastal North Carolina. Journal of Emergency Management 12(6): 467- 477
• Rhoda, R. and T. Burton. 2010. Geo-Mexico: The Geography and Dynamics of Modern Mexico. Vancouver Island, Canada: Sombrero Books.
• Vogel, C. and K. O’Brien. 2004. Vulnerability and global environmental change: rhetoric and reality. Aviso 13: 1-8.
Thank youThank you