slide1 n.
Download
Skip this Video
Download Presentation
FEMA’s Disaster Applications of 3D Terrain Data

Loading in 2 Seconds...

play fullscreen
1 / 18

FEMA’s Disaster Applications of 3D Terrain Data - PowerPoint PPT Presentation


  • 121 Views
  • Uploaded on

FEMA’s Disaster Applications of 3D Terrain Data. Doug Bausch, FEMA Region VIII Denver, CO July 25 th , 2014. Rapid Inundation Assessment. Obtain 3D terrain. Develop flood surface from model and/or field observations. Subtract terrain from flood surface.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'FEMA’s Disaster Applications of 3D Terrain Data' - dewei


Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
fema s disaster applications of 3d terrain data

FEMA’s Disaster Applications of 3D Terrain Data

Doug Bausch, FEMA Region VIII

Denver, CO

July 25th, 2014

rapid inundation assessment
Rapid Inundation Assessment
  • Obtain 3D terrain
  • Develop flood surface from model and/or field observations
  • Subtract terrain from flood surface
sandy 2012 expedited assistance
Sandy 2012: Expedited Assistance

-44K households identified as damaged and inaccessible

-Over $130M in expedited assistance based on accurate and rapid flood depth information

nyc 3dep vs low resolution
NYC: 3DEP vs Low Resolution

Areas “flooded” at low resolution

sandy 2012 analysis of nfip impacts
Sandy, 2012: Analysis of NFIP Impacts
  • Flood depths assigned to 200,000+ policies
  • Integrated into request to increase borrowing authority –
    • $9.7 billion
colorado 2013 floods
Colorado 2013 Floods

Impacts:

  • 10 lives lost
  • Over 8,000 evacuated
  • Over $3B in losses
  • 138 communities with damage
colorado flood 2013 3dep post event lidar
Colorado Flood 2013 – 3DEP Post Event Lidar
  • Significant stream morphology changes
  • Rare use of disaster funds ($2M) to purchase
  • Partnership and expedited delivery
  • Rapidly produced new floodplain mapping

Boulder

Denver

slide12

1/3rd of all households in Jamestown and Lyons were damaged

700 households in Lyons without water or sewer

slide13

Infrastructure Progress

COLORADO FLOODING DR- 4145 - CO

slide14

-$60M to address imminent flood threat due to debris deposition and erosion

Infrastructure Progress

COLORADO FLOODING DR- 4145 - CO

slide17

Colorado 2013 Infrastructure Restoration

-Design guidance for permanent restoration

-$2.1B infrastructure restoration

-includes $528M in mitigation and resiliency investments

slide18

3DEP Disaster Applications Summary

  • Expedites response and recovery
    • Supports partnerships in obtaining and expedited delivery
    • Provides high quality accurate floodplain maps
    • Supports sound decision-making and investments
    • Helps support resilient communities