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impacts of marine pollution on the environment
impacts of marine pollution on the environment
marine pollution
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Oil spills and drilling has an effect on our environment. It’s estimated that since humans have first started drilling into the earth, we have drilled over 1700 holes into the ocean floor (Normile & Kerr 2003). Oil drilling can lead to oil deposits accumulating beneath thick layers of salt. Drilling at ~4,000m deep involves extreme conditions; the oil itself may be around 200oC, while the temperature of the ocean floor might be just above freezing. This would cause the pipe to burst, which has a high probability of leading to oil being spilled. The average number of marine spills per year has increased from 47 per year (1968-1977) to 188 ruptures and 228 leakages per year (Jernelöv 2010). Oil spills are detrimental to the environment, and every year, about 1% of the oil being shipped across the ocean (around 1.5 billion tons of oil) is spilled (Jernelöv 2010). One particular article mentions that there are two types of spills: shore-bound surface spills and the deep-ocean oil spills. Surface oil spills are more detrimental to the health of species that occupy that space, such as seabirds. In addition, organisms within shallow waters are affected by the oil spills. These include salt-marshes and mangroves (Peterson et. al 2012). Oil itself is conventional or unconventional depending on the quality of the oil. Conventional oil is light and flows underground from reservoirs easily. Unconventional oil is heavy and thick, making it less desirable for use (Hirsch et. al 2005). From smaller oil spills to the Deepwater Horizon spill, and others like it, oil spills are one of the most detrimental effects that oil has on the environment. Oil drilling, most of which leads to spills and other negative environmental impacts, he... ... middle of paper ... ...nce. 300:410-412 Nowak R. 2005. Greener lubricants clean up oil drilling. New Scientist. 186:26. Peterson CH, Anderson SS, Cherr GN, Ambrose RF, Anghera S, Bay S, Blum M, Condon R, Dean TA, Graham M, Guzy M, Hampton S, Joye S, Lambrinos J, Mate B, Meffert D, Powers S.P, Somasundaran P, Spies R.B, Taylor C.M, Tjeerdema R, & Adams E. 2012. A tale of two spills: Novel science and policy implications of an emerging oil spill model. Bioscience. 62:461-469 Peterson CH, Rice SD, Short J.W, Esler D, Bodkin, JL, Ballachey BE, Irons, DB. 2003. Long term ecosystem response to the exxon valdez oil spill. Science. 302: 2082- 2086. Rabalais N. 2003. Oil in the sea. Issues in Science and Technology. 20:74-78 Rist C. 1999. Why we'll never run out of oil. Discover: 80-87. Schmidt CW. 2010. The arctic drilling controversy. Environmental Health Perspectives. 118:A394-A397.
“ Effects of Oil Spills on Marine and Coastal Wildlife” Holly K. Ober. WEB. 19 May 2014
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...
April, 20th 2010; The Gulf of Mexico was exquisite, marvelous, and teeming with life. An ominous and enormous drilling rig cruised across the sea. The vessel was collectedly searching for oil. The crew found a massive oiling spot, buried underneath the ocean. The crew hastily begins drilling without safety precautions, ignoring local wildlife and habitats nearby. After eliciting oil from underneath the ocean; the crew recklessly begun siphoning cement into the gaping hole. Suddenly, a vociferous boom arises from the ocean floor; the malodorous scent filled the air, as heaps of oil drifted to the surface. This oil polluted oblivious animals, looming coral and trees, and alluring shores; turning the once exquisite coast into a mung, oily marsh. Do you want more oil-based catastrophes such as the BP Oil Spill, to continue ratifying the environment?
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.
Effects on the Environment: There will be harm to the aquatic life if oil spillage would occur. Moreover, it will pollute the water and make it unsafe for human consumption.
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
The environmental danger taken by offshore drilling is very straight forward, made clear by oil spills such as the recent BP oil spill and the Exxon Valdez oil spill in 1989 off the shore of Alaska. In the circumstances of the Exxon Valdez spill up to 250,000 sea birds died, over 2,800 sea otters and thousands of other animals], (figures from the BP oil spill are not yet concluded), having had a heavy strike on the regional wildlife and directing to a ban on all offshore drilling in America, until George Bush overturned it in 2008 to this repeal was a misjudgment because two years later there was the Deepwater Horizon spill. In this way, offshore drilling ruins ecosystems and fish supplies which creates a wasteland of a shoreline among southern USA.
" Oil is the life blood of our modern industrial society. It fuels the machines and lubricates the wheels of the world’s production. But when that vital resource is out of control, it can destroy marine life and devastate the environment and economy of an entire region…. The plain facts are that the technology of oil-- its extraction, its transport, its refinery and use-- has outpaced laws to control that technology and prevent oil from polluting the environment…" (Max, 1969). Oil in its many forms has become one of the necessities of modern industrial life. Under control, and serving its intended purpose, oil is efficient, versatile, and productive. On the other hand, when oil becomes out of control, it can be one of the most devastating substances in the environment. When spilled in water, it spreads for miles around leaving a black memory behind (Stanley, 1969).
On April 20, 2010, the Deepwater Horizon oil rig, located in the Gulf of Mexico exploded killing 11 workers and injuring 17. The oil rig sank a day-and-a-half later. The spill was referred to as the Deepwater Horizon oil spill, BP oil spill, Gulf of Mexico oil spill, and BP oil disaster. It was first said that little oil had actually leaked into the ocean but a little over a month later the estimate was 12,000-19,000 barrels of crude oil being leaked per day. Many attempts were made to stop the leak but all failed until they capped the leak on July 15, 2010, and on September 19 the federal government declared the well “effectively dead.” In the three months that it took to finally put a stop the leak, 4.9 million barrels of oil were released into the ocean. The spill caused considerable damage to marine and wildlife habitats and the Gulf’s fishing and tourism industries. The White House energy advisor, Carol Browner, goes as far to say that the Deepwater oil spill is the “worst environmental disaster the US has faced.”
In April of 2010 the United States experienced the worst oil spill in its history (Barron 2012). The company BP had a massive explosion on one of their rigs about 50 miles off the coast of Louisiana, which came to be known as the Deepwater Horizon oil spill. The collapse of the rig and the accident took the lives of 11 people and the open well began gushing oil into the Gulf of Mexico. The spill continued from April 20, 2010 until the well was sealed on July 15, 2010. The well flushed out an estimated 4.9 million barrels of oil over a total of 87 days at a depth of 5,000 feet (Barron 2012). The ecological effects were some of the worst we have ever seen. Multiple species of animal were seen covered in oil on shores, fish floating dead in oil slicks, dolphins swimming through the oil and eventually beaching themselves, birds whose feathers were drenching in crude oil preventing them from flying.
There are four peer related articles that show there are real cause for concern What the Spill will Kill? Was about the animals that are affected by the spill. A Tale of Two Spills: Novel Science and Policy Implications of an Emerging New Oil Spill Model. This articles talks about the areas within the ocean that are affected differently depending on the spill, as well as the different ways to clean up the spills. Oil, Seabirds, and Science this article talks about the effects on the population, reproduction, habitat and recovery after an oil spill in seabirds. There Will Be Birds: Images of Oil Disasters in the Twentieth Centuries. This article talks about the different types of oil spills. The last article is Achievement of 100% Removal of Oil from Feathers Employing Magnetic Particle Technology the article explains how to get all of the oil out of feathers. For many years, the main use of cleaning up wildlife has been using detergents and warm water (Dao, Ngeh, Bigger, & Orbell, 2006). The hypothesis of my experiment is: Warm soapy water will remove motor oil from a feather more effectively than just warm water.