Dave+Volz.+Oil+Spills+and+ESI

Dave+Volz.+Oil+Spills+and+ESI - Protecting the Value of Our...

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Geoff Scott NOAA/NOS/NCCOS Director, Center for Coastal Environmental Health and Biomolecular Research Protecting the Value of Our Natural Resources : Oil Spill Planning and Response – The Role of Science: Response, Data Collection and Analysis, Reporting
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Oil Spills Petroleum may be spilled by tanker groundings or maritime accidents Major Spills -Torrey Canyon (1966) -Metulla (1977) -Hawaiian Patriot (1977) 17 million gallons (0.3 million barrels) -Amoco Cadiz and Argo Merchant (1978) -Peck Slip (1979) -Exxon Valdex (1989) Major Well Blowouts -Ixtoc Paltform (1979) – 40,000-50,000 barrels/day for 10.5 months -Deep Water Horizon (2010) – 5,000-65,000 barrels/day for 1.5 months
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Oil Spill Environmental Sensitivity Index Geomorphic criteria Biological resource data Socioeconomic data Equipment placement
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Biological Resource Data Incorporated into ranking scheme Areas indicated on maps
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General Types of Animals Color Codes Mammals Yellow Birds Green Reptiles Red Fishes Blue Invertebrates Orange
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Types of Animals a) General b) Ecological c) Species
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Types of Mammals Whales, dolphins, and porpoises Seals, sealions, and walrus River and sea otter Terrestrial mammals
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Type of organism (e.g. yellow for mammals) Season (e.g. Spring) Ecological type (e.g. harbor seal) Species (from master list) 2
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Types of Information Shown on Fish and Wildlife Markers Answers 1. Types of animal What? 2. Distribution of animals Where? 3. Seasonal use When?
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Distributions of Organisms Point localities Runs or streams Ranges or areas Beds
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IXTOX REPORT Initial Response Ixtoc Report Digitally Scanned and Distributed to Partners both within NOAA and other Federal/State Agencies Provide historical perspective of similar type of GOM Spill
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Ixtoc Well Blow Out June 3, 1979 – March 25, 1980
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IXTOC OIL SPILL Ixtoc
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Ixtoc Oil Spill Corext 9527 was applied to offshore slicks; A total of 493 aerial missions were flown, treating 1,100 square miles (2,800 km 2 ) of oil slicks.
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Ixtoc Well Blow Out PEMEX Well - Blew out June 3, 1979 - Capped - 23 March, 1980 475,000 metric tons of oil spilled or 130 – 210 million gallons (2.3 – 3.9 million barrels) Fate of Oil -Burned at the well site – 1% -Mechanically Removed – 5% -Evaporation into the Atmosphere – 50% -Photochemical/Biological Degradation – 12% -Mexican Beach Landfall – 6% -US Beach Landfall – 1% -Sank to bottom of the Gulf of Mexico – 25%
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Ixtoc versus Deep Water Horizon Ixtoc Well Blowout, June 3, 1979 –March 25, 1980 (> 3 million barrels; 2.5 MG of dispersant Corexit 9527) - Burned at the well site – 1% -Mechanically Removed – 5% -Evaporation into the Atmosphere – 50% -Photochemical/Biological Degradation – 12% -Mexican Beach Landfall – 6% -US Beach Landfall – 1% -Sank to bottom of the Gulf of Mexico – 25% -71,500 barrels (11,000 m 3 ) of oil impacted 162 miles (260 km) of U.S. beaches as the oil was contained there and not in estuaries (lagoons) Deep Water Horizon April 20
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Dave+Volz.+Oil+Spills+and+ESI - Protecting the Value of Our...

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