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Disruption of carbon cycle ocean acidification
An essay about ocean acidification
Ocean acidification introduction in an essay
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The Problem of Rising Acidity Levels in Oceans
Ever since the industrial revolution, humans have been responsible for the releasing of carbon dioxide into the atmosphere as a result of industrial and agricultural uses. The ocean absorbs roughly a quarter of this carbon dioxide. Originally, scientists believed this to be a benefit because the ocean was removing CO2 from the atmosphere. Ocean acidification, however, began to change the chemical composition of the water. NOVA’s documentary, Lethal Seas, explores the effects of ocean acidification located in Papua New Guinea, Aurora Australis, and on America’s northwest coast.
Ocean acidification occurs when carbon dioxide dissolves into the ocean, and it reacts with water (H20) to form a weak
...oceans. Anthropogenic systems such as the combustion of fossil fuels since the industrial revolution have greatly increased the rate of acidification to levels where negative impacts ensue. Negative impacts occur both to marine organisms that rely on certain water conditions to maintain vital functions and the environment which is damaged by highly acidic waters. There is great variation in the acidity of each of the oceans, differences caused by the chemical composition of the ocean and biogeography. Understanding of the potential impacts of ocean acidification is relatively new to the scientific community and therefore little is known on how to counteract anthropogenic influences. Although reducing the amount of carbon dioxide produced will in turn reduce the lowering of the oceans acidity levels and reduce negative impacts on the environment and marine organisms.
With carbon dioxide levels continuing to rise over the past few decades (fig. 1) and now into the future, concern has been brought to what is happening to the carbonate chemistry of the oceans. Because of these changes in chemistry, the ocean is becoming more acidic. Along with climate change, ocean acidification may be one of the greatest threats to our planet. The higher the ocean’s acidity level goes, the lower the calcium carbonate levels will drop. Even though this is a big scale issue, my goal is to focus on and underline what these changes will mean for the marine life that depend on the calcium carbonate in seawater. I will go in depth with specific regards to a study regarding pteropods or sea butterflies.
Ocean acidity will spoil marine ecosystems if it remains persistent. Preserving sustainable fishing industries will become unmanageable if the carbon dioxide absorbed by the world’s oceans is not considerably abridged.
Do you know that people are polluting oceans in so many ways, and what we are doing about it. First, my evidence shows that two billion people within thirty miles of the coast create 100 million metric tons of coastal plastic waste (Doc.1). In my own words, this evidence show that all this pollution is really harmful to ocean creatures and us. More evidence is that the North Pacific Gyre has collected lots of these pollutants, so it is nicknamed the Great Pacific Garbage Patch (O.I.). This shows how we are polluting the oceans. My next evidence shows that a Beach Act was passed in 2000 saying the EPA or the Environmental Protection Agency will help states test and monitor coastal water pollution to protect swimmers (Doc.2). This evidence
Carbon dioxide disturbs ecosystems candidly, both positively and negatively. On land it increases growth in various trees and plants, an influence occasionally called ‘CO2 fertilisation’. Absorption of CO2 into the oceans triggers ‘ocean acidification’, obstructing shell formation by organisms like corals and affecting coral deterioration or
First, the pH of seawater water gets lower as it becomes more acidic. Second, this process binds up carbonate ions and makes them less abundant
Guinotte, J. M. and Fabry, V. J. (2008), Ocean Acidification and Its Potential Effects on Marine Ecosystems. Annals of the New York Academy of Sciences, 1134: 320–342. doi: 10.1196/annals.1439.013
Ocean Pollution is a serious issue in today's global politics. The delicate balance of Earth's ecosystem is put in jeopardy when the ocean is not clean. Problem evolving from ocean pollution directly harm marine life and indirectly affect human health and the Earth's many valuable resources. Ocean Pollution is a Broad term that encpompasses any and all foregin matter that directly or indirectly makes its way into the ocean. This includes everything from the extreme: oil spills, Toxic Waste dumping and industrial dumping-- to the small scael: human activities and basic carelessness. Because the oceans and all other water bodies are invariably, somehow connected, and because they account for 3/4 of the Earth's surface, they are an ideal method of transportation for pollution, allowing the rapid spread of seemingly far away toxins into a river near you! It is increasingly important that we educate ourselves as to what, exactly, ocean pollution is, so that we can identify the causes at their source and take action in small and large ways, and hopefully, prevent this terrible form of pollution from getting any worse than it is today.
Ocean acidification is caused due to rising CO2 emissions created by industrial development and greenhouse gases. This increase in carbon dioxide causes changes within the ocean’s biochemistry. Atmospheric carbon dioxide concentrations are expected to rise from pre-industrial level of 280 to 540-970 ppm by the year 2100, depending on future emission scenarios (IPCC, 2001). Eventually the oceans will become highly acidic if mankind is unable to control their CO2 emissions. About 30% of CO2 emissions are taken up by the oceans today (Freely et al. 2004) and this percentage will continue to rise if nothing is done to prevent it, potentially leading to enhanced levels of ultraviolet radiation at the earth’s surface (Harley, C. D. G., et al, 2006). While many marine organisms have adapted to thermal fluctuations in the last few million years, the expected changes in pH are higher than any other pH changes inferred from the fossil record over the past 200–300 million years (Caldeira & Wickett 2003; Feelyet al. 2004). The following diagram represents the effect of greenhouse gas emissions on the oceans causing increased CO2, decreased pH, sea level rise, storm frequency and potential upwelling.
"An Ocean Of Trash." Scholastic Action 33.12 (2010): 16. MasterFILE Complete. Web. 31 Jan. 2014.
Ocean acidification, like global warming, is a direct result of increased Carbon Dioxide (CO2) concentration in the atmosphere. According to Rebecca Albright, approximately twenty-five percent of all CO2 emissions are absorbed by the ocean. Throughout time, the ocean has habitually absorbed some of the greenhouse gases
The coral reefs of the world are of vast importance because they host 25% of all marine life on the planet. Now that corals have been briefly described, we can see why the effects of climate change damage coral reef systems. Ocean acidification is a result of climate change. Acidification is caused by an increase in carbon dioxide in our oceans and leads to a decrease in the pH levels of seawater. This pH decrease reduces the ability of corals to make their hard skeletons.
Although one anthropogenic polluter that is highly important is ocean acidification. For millions of years the Earths oceans have maintained a very stable acidity level. It’s within these steady ecosystems that the opulent and diverse millions of species in today’s seas have developed and thrived. However research has proven that the acidity balance is slowly being unfastened by a recent and fast drop in surface
Our oceans take a large beating every day by the extremely large amount of pollution humans produce. Our society easily dumps their waste into the oceans to dispose of the excessive amount of garbage, sewage, and chemicals, but this small and simple solution is creating an even bigger problem. The way humans dispose of their wastes is causing the death of our beloved marine life. Not only are we killing off our animals, our food source, and our resources, we are also minimizing our usable water. By having a better understanding of the problem on the severe dumping, it will be easier to find ways to help minimize the pollution that is going into the ocean.
Oceans are such so vast that people underestimate the impact their actions —seeming so insignificant— have on them. Humans have by and large taken the oceans for granted; not considering how important a healthy ocean is to our survival. A popular mind-set is that the oceans are a bottomless supply of fish, natural resources, and an infinite waste dump. There are myriad reasons why the oceans should be saved and the most obvious one is marine life. With 71% of the Earth being covered by water, it is obvious that sea creatures are predominant form of life, making up 80% of the species of life on Earth. However, as important as marine life is, that is not the only reason why saving the oceans is crucial. The ocean floor provides natural resources such as, oil, natural gas, petroleum, minerals, medications, and ingredients for foods and products. The economic benefits of the oceans are huge and significant, as well. Fishing and fish products have provided employment to 38 million people and have generated about $124 billion in economic benefits. However, oceans are on the verge of crisis, marine life, natural resources, transportation, the economy, and important ingredients are at risk due to overfishing, pollution, and acidification. Thus, in this essay I will argue that, oceans are not impervious to human activity and threatening the health of the ocean threatens the health of humanity, since oceans key to our survival.