oil spills Flashcards
location of deep water horizon oil spill
the gulf of mexico near mississippi delta
how much oil was spilled at DWH
4.9 million barrels = 210million gals = 780000m3
how did the oil spill affect humans
over all the oil spill and the use of Corexit causes memory laps, cough and spotty skin/rash
how did the oil spill affect wildlife
extensive damage to wildlife and habitats, oil was embedded into the sand
marine animals had record death rates
fish that were exposed developed deformities of the heart and other organs
life expectancy was shortened
what are the methods used for oil clean up
skimmer ships
floating containment booms
controlled burns
oil-eating microbes
corexit
what is corexit and what does it do?
a chemical dispersant made of emulsifered and solvents that breaks up oil and causes it to sink
what are the health effects of corexit?
for wildlife it had a more detrimental effect, it cause both underwater species and above-water species to be in direct contact with the oil
for humans, it is a cancer-causing agent and interferes with endocrine hormones
shown to increase the risk of developing leukemia and other cancers
what type of drill rig was at DWH
semi-submersible, drilling under 5000 f of water
what was a poster animal of the spill
turtle
how did the oil spill affect birds?
reduced their ability to thermoregulate
increased focus on preaning and less food searching= starved
what systems failed that lead to the blowout
due to the blowout preventer failing, buckling of the drill pipe where the pressure inside the pip was very very high (oil kept flowing up even though the top was closed).