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Oil Pollution

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Oil is released into ocean or coastal waters. crude oil, refined petroleum ... Exxon Valdez. 1989. 11 million gallons were spilled. 300-400 spills in Alaska ... – PowerPoint PPT presentation

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Title: Oil Pollution


1
Oil Pollution
2
What is an Oil Spill?
  • Release of a liquid petroleum hydrocarbon into
    the environment
  • Marine spills
  • Oil is released into ocean or coastal waters
  • crude oil, refined petroleum (gasoline or diesel
    fuel)

3
Main Cause of Oil Spills
  • Equipment breaking down
  • Tankers, barges, pipelines, refiners, and oil
    storage facilities
  • Natural disasters-
  • Hurricanes, seep up from ocean floor
  • Man mad reasons-
  • Car oil, routine maintenance

4
Major Oil Spills
  • Pose a danger to public health, devastate natural
    resources, disrupt economy
  • Bay of Campeche of Cuidad del Carmen, Mexico.
    (1997)
  • The accident resulted in spilling of 140 million
    gallons of oil
  • Northwest Spain (2002)
  • Tanker split in two
  • 70,000 tons of oil
  • Exxon Valdez
  • 1989
  • 11 million gallons were spilled
  • 300-400 spills in Alaska

5
Effects of Oil Spills
  • Marine Contamination
  • Contaminated sea surface, unpleasant smells and
    tastes to aquatic life, death
  • Impair ability to reproduce, grow, feed
  • Contaminates Rocks, sand, and mud areas
  • Oil covered fur or feathers cant insulate
  • Oil breaks down a birds waterproofing
  • Animals clean itself, swallow oil

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7
Methods of Cleaning
  • Bioremediation- use of microorganisms to break
    down oil
  • Burning, dredging, skimming
  • Dispersants- act as detergent
  • Take months or years to clean up
  • Collection centers

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Resources
  • http//seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/per
    il_oil_pollution.htmlSOURCES
  • http//oceanlink.island.net/oceanmatters/oil20pol
    lution.html
  • http//www.riverdeep.net/teaching_the_news/news_20
    00/august/081000_oilspill.jhtml
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