oils spills in the gulf of the farallones national marine sanctuary
DESCRIPTION
Oils Spills in the Gulf of the Farallones National Marine Sanctuary. 2. Sanctuaries map. 3. SE Farallon Island. 4. Seals on island. 5. Sea Star. 6. Fish. slide6. 7. Oil. Oil = decomposed fossils. H. H. C. H. H. H. C. H. H. C. C. C. C. H. H. C. H. Types of Oil. - PowerPoint PPT PresentationTRANSCRIPT
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Oils Spills in the Gulf of the Farallones National Marine
Sanctuary
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2. Sanctuaries map
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3. SE Farallon Island
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4. Seals on island
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5. Sea Star
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slide66. Fish
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7. Oil
Oil = decomposed fossils
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Types of Oil
• Carbon-Hydrogen Chains– 1-4 carbons light hydrocarbons, ex. Methane (CH4)
– 4-14 carbons naptha ==> gasoline
– 12-15 carbons kerosene ==> jet aircraft fuel
– 15-25 carbons gas oil ==> heating oil and bunker fuel
– >25 carbons residual oils
• Carbon-Hydrogen Rings = Aromatics– Benzene C6H6
– Toluene C6H5CH3
– Xylenes C6H4(CH3 ) 2==> polyester
C H
H
H
H
H
H
HH
H
H
C
C CC
CC
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Sources of Oil in the Marine Environment
• Natural oil seeps
• Oil exploration and production
• Industrial Discharge
• Urban Runoff (highways, oil changes)
• Vessel Operations (leaks, cleaning)
• Accidental Big Spills
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10. Shipping lanes
800 - 1,100 Oil Tankers Annually Enter San Francisco Bay
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11. Container ship
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12. Fishing ships
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13. Cruise liner
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14. T/V Puerto Rican
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15. Puerto Rican with oil
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16. Puerto Rican with Coast Guard
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17 Burnt Puerto Rican
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18. Oil sheen on water
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19. Ship location
San FranciscoFarallon Islands
Bodega Bay
Site of Explosion
Towed Here
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20. Puerto Rican escorted
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21. Coast Guard helicopter
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22. Oil near Farallon Islands
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23. Mr. Clean
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What Happens to Spilled Oil?
Image from The International Tanker Owners Pollution Federation Ltd
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25. Dispersion
Dispersant molecules attach to both water and oil
Wind and waves break the slick apart, mixing the oil into the water.
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26. Elephant Seal
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27. Oiled Seal lions
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28. Oil slick
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29.PlanktonPhytoplanktonless than 0.1 mm in size
Krill, about 2 cm long
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30 Common Murres
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31. Oiled Murre
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32. Feather
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33. Oiled Sanderlings
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34. Mobile Vet Lab
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35 Common Murres
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36. Assorted shorebirds
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37. Map of PR oil
San FranciscoFarallon Islands
Bodega Bay
Site of sunken stern
day 10
day 6 day 5
day 9
day 7
day 4
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38. Oil boom in intertidal
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39. Bodega Harbor
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40. Oil boom protecting wetlands
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41. PR at GG Bridge
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42. Oil Sheen
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Major Oil Spills in the Gulf of the
Farallones National Marine Sanctuary
• 1984 PUERTO RICAN 1.4 million gal• 1986 APEX HOUSTON 20,000 gal• 1996 CAPE MOHICAN 42,000-50,000 gal• 1997-98 Point Reyes Tarball Incident• 1998 COMMAND 2,500 gal• 2001-02 sunken J. LUCKENBACH unknown
• 3 quarts per oil change 4 times per year is how many gallons?
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44. Murre Restoration
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45. Tarball and scale
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46. Tarball at Limantour
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47. Sinking oil rig off of Brazil
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48. Volunteers
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49. Surveyor
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50. Oil sheen on Agate Beach
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51. Oiled feather sampling
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52. Sea Siren Grounding
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53. Sunset