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effects of marine pollution on environment
effects of marine pollution on environment
media and environmental awareness
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Almost every year ocean wildlife, birds and other animals are killed or seriously injured due to tanker ship oil spills that could be prevented. Oil spills happen mainly due to captain and crew errors. As they travel across the ocean they become careless, non-observant, and make simple mistakes that cost millions of dollars as well as the lives and habitats of animals in the area and farther. Although, there are many other reasons for oil spills such as weather conditions, illegal dumping, countries at war or terrorists attempting to get a countries attention. There are other ways of transporting oil without having the chance of a spill causing the destruction of ecosystems, such as, by train or pipelines. The most recent oil spill took place March 29, 2013, when a pipeline ruptured from the Athabasca oil sands in Mayflower, Arkansas, about 25 miles northwest of Little Rock. It was reported that 5,000−7,000 barrels of oil were spilled. This spill proves that even today there are still very harsh oil spills happening across the world and that there is no perfect or real efficient way to safely transport oil. Oil coated beaches, dead and dying wildlife, damaged fisheries, contaminated water supplies, dying plants and organisms. These are the short-term effects of an oil spill. The long-term effects are much worse and deathly. Oil is capable of building up in the food chain to lethal levels, and destroying or disrupting an area's ecosystem. Seabirds including puffins, shearwaters, razorbills, and many more are frequently affected by offshore oil spills. These birds live mainly on open water, however; they can also become oiled in coastal waters since they come to coastal islands to breed. Spills can also severely harm tu... ... middle of paper ... ...ssurization. If anything is damaged, be sure to replace it. If you have a heating system, make sure you have an oil safety valve. If you do not have one, it is time to install one. This automatically turns off the oil supply in the event that the line breaks. It is a smart feature for everyone to have in their homes if they have a heating system. Works Cited (May 1, 2000) Oil Spills. http://events.awma.org/enviro_edu/fact_sheets/oil_spills1.html (January 3, 2014) 2013 Mayflower Oil Spill. http://en.wikipedia.org/wiki/2013_Mayflower_oil_spill (2014) Mother Nature Network: Oil Spills. http://www.mnn.com/eco-glossary/oil-spill Oracle Think Quest: Oil Spills, Projects by Students for Students. http://library.thinkquest.org/CR0215471/oil_spills.htm (January 23, 2014) National Ocean and Atmospheric Administration. http://oceanservice.noaa.gov/facts/oilimpacts.html
“ Effects of Oil Spills on Marine and Coastal Wildlife” Holly K. Ober. WEB. 19 May 2014
April 20, 2010, a tragic disaster struck the Gulf Coast. British Petroleum deepwater Horizon oil rig cracked from three places and raw oil leaking into the sea. .it was considered that over 60,000 barrels of oil a day are mixing with Gulf water and Oil spread over 70 miles to 130 miles into the sea and can be seen from space.
On April 20, 2010, a tragic disaster hit the Gulf Coast. British Petroleum’s (BP) Deepwater Horizon rig exploded spewing crude oil into the ocean from the three major cracks in the rig. It rivaled the 1989 Exxon Valdez spill within days of explod...
Besides the accidental spillage affecting severe damage to the environment and then causing harm to humans, there are direct impacts on human health from oil. Problems suc...
On April 20, 2010, the Macondo wellhead BP pipe leaked crude oil and gas on the ocean floor into the Gulf of Mexico 42 miles off the Louisiana coast (Gulf Oil Spill). This oil spill is known as the largest spill in U.S. history. The pipe was located 5,000 feet underwater where there are temperatures just above freezing and extremely high pressures (Gulf Oil Spill). Oil spewed from this pipe non-stop for 87 days (Gulf Oil Spill). About twenty percent of it ended up on the ocean floor or on the surface (Gulf Oil Spill). Since it’s hydrophobic, the oil on the surface spreads out and forms slicks. These slicks greatly affect ecosystems and animals. The oil that didn’t end up on the floor or surface hovered in the middle of the ocean, forming layers of oil (Gulf Oil Spill). All 200 million gallons of crude oil mixed throughout the ocean and affected coastal and deep-sea sediments (Gulf Oil Spill). Although the pipe was capped on July 15, 2010 (Gulf Oil Spill), much of the oil still remains on the Gulf floor today.
On March 24, 1989, the ship loaded with oil tanker Exxon Valdez entered Alaska’s Prince William Sound. At 12:04 am, the ship hit a Bligh Reef and it tore open the hull releasing 11 million gallons of oil into the water. Affecting the environment. Soon, there was a storm that spread the oil more than 1000 miles of coastlines. The ship was from the ExxonMobil Corporation, so the corporation ended up paying a billion of fine for this disaster. This was the largest oil spill in U.S History and tested the abilities of other organizations to prepare for, and respond to this kind of disaster.
Every year, according to the U.S. Department of Energy, 1.3 million gallons of oil are spilled into U.S. waters from vessels and pipelines in a typical year. A major oil spill could easily double that amount (Thompson, "The Science and History of Oil Spills"). These oil spills not only destroy thousands of miles of oceans, they also cause billions of dollars worth of destruction to an economy. Oil spills occur when there is an accidental or intentional release of oil during any point in the oil production process. Oil spills are most common when a pipeline breaks, ships collide or are grounded, underground storage tanks leak, or when an oil rig explodes or is damaged (Thompson, "The Science and History of Oil Spills"). Another common, naturally
April 20, 2010, an explosion killed 11 people instantly and injured 17 more. But the explosion did much more than that. The event occurred in the Gulf of Mexico, off the Coast of Louisiana, on an oilrig. Sometime after the rig exploded, it collapsed. There was now a much bigger problem on hand. 5,000 feet below the Deepwater Horizon oil rig, oil began to gush into the open waters of the gulf. Over the span of 87 days, oil continued to spew hundreds of barrels of oil from the Macondo wellhead. Once the leak was finally one hundred percent ceiled on July 15, 2010, the wellhead had leaked more than 130 gallons of oil into the gulf; therefore making the incident the largest accidental oil spill ever.
The 2010 BP oil spill ultimately affected both people and the environment, polluting and damaging large areas and vast populations of wildlife. The BP oil spill caused took a toll on marine life, human life, and the economy, including the fishing and tourism industry in the Gulf of Mexico. Many factors such as Petroleum toxicity, oxygen depletion, and much more can be viewed as the major sources of the disaster which led to the negative impact on wildlife. It is very clear that an oil spill is recognized to be a disaster for both for people and the environment, any tragedy of this scale would clearly bring forth regulations that will attempt to prohibit the same calamity from happening again.
Because it is the most highly publicized of the different forms of ocean pollution, oil spills, oil leakages, and general oil contamination are something that we all seem to be aware of. Since the Exxon Valdez incident, the American public in particular has been more and more critical of oil companies.Each year, over 700 million gallons of oil end up in the ocean. Contrary to what you may have thought, most oil pollution doesn't come from tanker accidents. In fact, tanker accidents account for less than 90 million of the g...
On April 20, 2010, the Gulf of Mexico experienced a disaster unprecedented in scale and environmental impact. Fifty miles off the coast of Louisiana in the deep waters of the Gulf of Mexico, a BP drilling rig suffered an explosion that claimed eleven lives and caused the rig to sink over 5000 ft. to the sea bed floor. This was the beginning of the BP oil spill which spanned over eighty seven days, releasing an approximate 2.3 million barrels of crude oil into the Gulf of Mexico. Although the flow of oil into the Gulf was contained July 15, 2010, the lasting effects of the oil spill on the environment continue to be devastating and widespread. (Kirkwood 1)
Deepwater Horizon Oil Spill, BP 2010 Gulf of Mexico Oil Spill, Sean Edward Paquette, Rensselaer Polytechnic Institute – Hartford, Connecticut and Professor Ernesto Gutierrez-Miravete, Ph.D
There are many causes to petroleum in b the oceanic environment. Oil naturally seeps into the ocean but the natural concentrations have been greatly exceeded. Shipping oil from one place to another contributes the most to oil in the ocean. The crude oil from transportation b is discarded into the ocean while cleaning bilges, which are the lowest compartment in ships, and transferring oil from tank to tank at sea. “Disasters like shipwrecks, oil tanker accidents, and offshore oil rigs fires continue to this problem, as does the disposal of urban garbage into oceans, dumping of waste oil by passing ships, commercial coastal and off-shore entertainment, and deep-sea industrial and nuclear waste dumps”(“Marine Water Quality”). Another large polluter is the oil industry. Tanker ports and refineries are located by the coast for shipping purposes. The coastal areas receive considerable damage from the spills. “Large numbers of seabirds are killed annually, their oil-matted plumage making flight impossible and exposing them to hypothermia. Oil-soaked fur of marine mammals loses its water repellency, also leading to death by hypothermia. Ingestion of oil by fishes, birds, and mammals may also result in death”(“Marine Pollution”). Another source of petroleum pollution is from the city streets. Oil runoff from urban streets and sewers enter waterways and the ocean. Oil has a very long term ecological impact on the ocean and the marine ecosystems. “The presence of oil in marine waters severely degrades water quality by clogging an animal’s feeding - structure, killing larvae, and blocking available sunlight for photosynthesis”(“Marine Water Quality”). Petroleum pollution has been a large problem for a very long period of time. “As early as 197p, oceanographic ecologists noted that they could rarely pull a net through the surface of the ocean without collecting some form of tar or
Swift, W.H, . C.J. Touhill, W.L. Templeton, and D.P. Roseman. 1969. Oil spillage prevention, control, and restoration—state of the art and research needs. Washington, D.C.: The Bureau of National Affairs, Inc.
The Gulf of Mexico oil spill has had an extremely negative effect on the surrounding wildlife and ecosystem. The oil spread across the gulf contaminating any living organism that came into direct or indirect contact with it. The oil cuts off the ability of oxygen from the air to move into the water which directly harms fish and other marine wildlife that require that oxygen. The dispersant that the BP is using to try and break up the oil moves the slick into the entire water column which contaminates the ocean floor which would most likely not have seen any damage if it wasn’t for the use of these dispersants. More than 400 species that live in the Gulf Islands and marshlands are at risk and as of November 2 s...