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Community exposure to CoSMoS hazard zones in Ventura and Santa Barbara counties
Nathan WoodJeanne JonesPeter NgKevin HenryJamie JonesJeff PetersNina AbdollahianUSGS Western Geographic Science Center
U.S. Department of the InteriorU.S. Geological Survey
www.usgs.gov/apps/hera
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Community Exposure to Coastal Hazards in California
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Maps of Flood Hazard Zones
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Maps of Flood Hazard Zones
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Providing Guidance on SLR Scenarios
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DemographySource - 2010 Census blocksAttributes:• Total residential population• Age – < 5 years and > 65 years• Ethnicity – Hispanic• Race – American Indian, Asian, Black or African American, Native Hawaiian or Pacific Islander, White, Other
• Occupancy – renters, homeowners• Group quarters – institutionalized, non-institutionalized
• Employees: Government, Manufacturing, Natural Resources, Services, Trade
• Parcel values – improved, land• Building replacement value:
Agriculture, Commercial, Education, Government, Industrial, Religious facility, Residential
Economic assets
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Infrastructure• Roads – highways, secondary
streets, surface streets• Railroads• Critical facilities
• Fire stations, Hospitals, Medical facilities, Medical clinics, Medical services, Police stations, Schools
Land Cover• Developed land – National Land
Cover Database
• Wetlands – National Land Cover Database
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Carpinteria1,784 residents14% in zone
Unincorporated Ventura Co.3,926 residents4% in zone
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Comparative Metrics – impact of sea level rise
100 year storm, no SLR
100 year storm, 100 cm SLR
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Comparative Metrics
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Uncertainty extent: maximum minimum
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Available data:• Total residents• Age (< 5, > 65 yrs)• Ethnicity• Race• Group quarters• Renter vs. homeowner• Female head of household with children
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Available data:• Total employees• Employees by sector• Parcel values (total and by type)• Building replacement value (total and by type)
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Data tables
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• Provides the user with the ability to:• Examine flooding hazard exposure for an individual community• Explore changes in community exposure given multiple coastal storm and SLR scenarios• Compare the exposure of multiple communities
• Interactive maps , charts, and graphics visualize exposure in hazard zones of:• Populations• Economic assets• Land cover• Infrastructure
• For more information• Jeanne Jones (lead HERA developer) – [email protected]• Nathan Wood (principal investigator) – [email protected]• HERA web application - www.usgs.gov/apps/hera• Project background - https://geography.wr.usgs.gov/science/vulnerability/HERA.html
Summary for HERA