development of an aerial multispectral remote sensing system and operational utilization during oil...
TRANSCRIPT
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Development of an Aerial Multispectral Remote Sensing
System and Operational Utilization during Oil Spill
ResponseJudd Muskat – California Dept. of Fish & Wildlife, OSPR*Jan Svejkovsky – Ocean Imaging Corp.Joseph Mullin – BSEE (retired)
*Principle Investigator, [email protected]
OSPR
Office ofSpill Prevention and Response
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THE LEMPERT-KEENE-SEASTRANDOIL SPILL PREVENTION AND RESPONSE ACT
(SB 2040)
(GOVERNMENT CODE 8670.3.)"Best achievable technology"
“…that are being developed, could feasibly be developed, or are currently
in use anywhere in the world”
Best Achievable Protection
RESOURCES AGENCY
CALIFORNIADEPARTMENTFISH & GAME
OSPR
Office ofSpill Prevention and Response
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Radarsat-1
RESOURCES AGENCY
CALIFORNIADEPARTMENTFISH & GAME
OSPR
Office ofSpill Prevention and Response
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RADARSATOctober 28, 20051756 Hrs
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AREA OF CALMWATER
Large Ship
18 Mile Trail(Oil Film?)
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OSPR Scientific Study and Evaluation Program
Ocean Imaging’s DMSC-MK2 Four Channel Aerial Sensor
PROJECT OBJECTIVE: DEVELOP AN OPERATIONAL AERIAL IMAGING TECHNOLOGY THAT WOULD ENABLE REAL-TIME OIL SPILL MAPPING IN GIS FORMAT, ELIMINATE FALSE TARGETS, WITH AN EASILY DEPLOYABLE AND PORTABLE SENSOR
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Suspended Sediment
Oil
KelpSediment
Oil
Oil
Sun Glint
Elimination of False Targets
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Two test flights over Santa Barbara Channel seeps were conducted in mid-2004
400nm (UV)
550nm (Green)
850nm (near-IR)
Oil on Water Detection
Composite
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Bureau of Safety and Environmental Enforcement
(BSEE)(Formaly MMS)
Ohmsett is the National Oil Spill Response Test Facility, located in Leonardo, New Jersey. The name Ohmsett is an acronym for "Oil and Hazardous Materials Simulated
Environmental Test Tank"
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Cosco BusanNovember 7, 2007
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Utilization in an Actual Spill
Cosco Busan spill, 11/09/07, San Francisco Bay
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Overflight 2300 UTC
Utilization in an Actual SpillPlatform A spill, 12/7/08, Santa Barbara Channel
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Open Ocean Collection
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Utilization in an Actual SpillPlatform A spill, 12/7/08, Santa Barbara
Channel
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Mapping Spills Better and Faster
Traditional Approach: Visual observations from helicopter or aircraft converted to drawing on a map using GPS.
Our Approach: Easily-deployable computerized system utilizing multiple imaging channels in the visible, near-IR & thermal-IR
Advantages over visual methods:
1) System is objective – does not rely on opinion and experience of operator
2) Survey map is in digital GIS format – allows accurate location determinations, direct computation of oil spill area and volume, etc.
3) Survey provides much greater detail
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The Deepwater Horizon Oil Spill: Experiences from the response
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RESOURCES AGENCY
CALIFORNIADEPARTMENTFISH & GAME
OSPR
Office ofSpill Prevention and Response
Deepwater Horizon (MC-252)
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Analysis maps were utilized for multiple applications including:
Source area oil distribution forresponse resource management & trajectory modeling
Location of recoverable oil targets
Location/extent of beached and marsh-entrained oil
Effectiveness of dispersants
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Locating recoverable oil targets
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Dispersant Monitoring
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UV/Vis Multispectral Thermal IR
Mapping beached & marsh-entrained oil
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Thick sheen
Emulsion
Thick beached orentrained oil
Final Classification
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Field SCAT vs. Remote Sensing
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Field SCAT vs. Remote Sensing
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Field SCAT vs. Remote Sensing
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Field SCAT vs. Remote Sensing
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scat
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Lessons Learned: Advantages:•Aerial image-derived oil analyses are useful for multiple response applications
•Especially useful for supporting SCAT field activities in hard-to-reach marsh areas
•Potential new aerial dispersant application monitoring method
Limitations: •Daily spatial coverage is limited for very large spills
• Technology is still novel – not yet fully incorporated in specific response protocols
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Peer Reviewed Paper, October 2012 Edition:
Photogrammetric Engineering and Remote Sensing
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Current Events
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OSPR
RESOURCES AGENCY
CALIFORNIADEPARTMENTFISH & GAME
OSPR
Office ofSpill Prevention and Response
Thank You
[email protected](916) 324-3411