ASPRS Imagery Users Workshop - PowerPoint PPT Presentation

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ASPRS Imagery Users Workshop

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ASPRS Imagery Users Workshop – PowerPoint PPT presentation

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Title: ASPRS Imagery Users Workshop


1
Contact Andrew D. MacInnes GIS Manager / CZM
Administrator 106 Avenue G Belle Chasse, LA
70037 504-297-5320 a.macinnes_at_earthlink.net
2
ASPRS Imagery Users Workshop
Airborne and Satellite Imagery Use and
Collection for Katrina and Rita
  • Presented by Andrew MacInnes
  • Plaquemines Parish, Louisiana
  • January 19, 2006

3
Why Were Here
  • Katrina
  • Landfall August 29, 2005
  • Category 4 at Landfall (Plaquemines Parish hit
    first)
  • 80 of Plaquemines Parish Flooded (gt 4 of
    water)
  • Approximately 6 back levee breaches
  • Rita
  • Landfall September 24, 2005
  • Sustained 40-knot winds for three days
  • Re-flooded 60 of Plaquemines Parish
  • Approximately 9 new back levee breaches and
    reopening of patched breaches

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The Need for Imagery
  • Response
  • Levee Breaches
  • Flooding
  • Oil Spills
  • Recovery
  • Debris Estimates / Clean-Up
  • Vessel / Ship Removal
  • Housing Demolition

12
Everyone knows where the Port Sulphur breach is,
right?
13
Agencies Involved in Imagery Requests
  • U.S. Army Corps of Engineers
  • U.S. Coast Guard
  • Commercial Vendors
  • Private Industry
  • USGS
  • FEMA
  • NGA (National Geospatial
  • Intelligence Agency)

14
2005 NOAA Natural Color/CIR
  • Limited Coverage
  • 1-Foot Ground Resolution
  • Not Georeferenced
  • Hundreds of Tiles to Cover Entire Parish
  • Flown by NOAA, Supplied to PPG by NGA

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2005 IKONOS Panchromatic
  • Commercial Imagery, Provided by NGA
  • 1-Foot Ground Resolution
  • Not all Images Georeferenced
  • Some Images are Unreadable

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2005 IKONOS Multispectral
  • Commercial Imagery, Provided by NGA
  • 4-Meter Ground Resolution
  • Not all Georeferenced
  • High Cloud Cover

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2005 Quickbird Panchromatic
  • Commercial Imagery, Provided by NGA
  • 1-Foot Ground Resolution
  • Very Limited Coverage

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2005 IDP Panchromatic
  • National Imagery (Declassified)
  • 1-Foot Ground Resolution
  • Good, but Incomplete Parish Coverage
  • Visual Noise (Distortion) in many Images
  • Released to PPG by NGA

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2005 Aerial Imagery (Private Corporation Donation)
  • 1 Ground Resolution
  • Flown 3 Days After Katrina
  • Complete Coverage of Livable Areas
  • Provided in CIR, PAN and RGB Format
  • White Background Makes Mosaic Difficult

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2005 ARCHER Imagery (U.S. Army Corps of Engineers)
  • 3 Ground Resolution
  • Multiple Flights / Crews (Civil Air Patrol)
  • 75 Parish Coverage
  • New Technology / Procedures
  • Substantial Distortion at EOFL
  • Poor Spatial Accuracy

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Summary
  • Despite numerous written and verbal requests by
    multiple Parish contacts, a uniform, useful and
    complete imagery coverage of the Parish was
    difficult to obtain.
  • Much of the data that has been provided has been
    delivered in formats that are not conducive to
    quick and easy integration into existing GIS
    structure.
  • Agencies have been unable to deliver post Katrina
    coverage of all damaged areas (entire Parish)
    even before Ritas effects were felt.
  • Continued…

39
Summary (continued)…
  • Agencies have delivered other images (video and
    still obliques) but these have little value for
    GIS analysis.
  • The importance of receiving complete post-Katrina
    imagery is of extreme importance, especially in
    regard to assessment of damaged properties and
    infrastructure due to a particular storm.
  • High turnover rate of FEMA, National Guard etc.
    support means multiple requests must be made to
    get the message through.

40
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