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Ocean Acidification is the process where Carbon Dioxide (CO2) is absorbed by the ocean, causing water to lower in pH making the water it more acidic. The result of CO2 being released into the atmosphere in such large quantities, as a result of anthropogenic global warming, is causing the ocean to slowly become more acidic over time.The world’s oceans absorb about ¼ of all the world’s carbon emission yearly as a result of anthropogenic climate change. Since the Industrial Era, the oceans have been reducing in pH by 0.1 every year. It is estimated that by the end of the 21st century, if carbon emissions were to continue as they are now, the ocean’s coral reefs will disappear as a result of Ocean Acidification. Ocean Acidification has been become a serious problem to our environment, as well as to our economy and food sources. Over 1/7 of our world population relies on maritime fishing to supply people with food, jobs, and produce to sell. The process of ocean acidification is mainly affecting the ability of shellfish to create their shells to protect them from their natural predators. Studies have shown that the compound 2HCO-3 or bicarbonate ion, which is created by CO2 mixing with ocean water, has caused many coral reefs to slowly erode as well as damages the calcification process that a shellfish needs to …show more content…
Anthropogenic global warming is man-caused global warming. It essentially states that humans are responsible to the release of an abnormal amount of carbon emissions that are having a big impact on the planet’s climate and, in turn, hurting the environment. Our rapid technological advancement over the years since the Industrial Revolution and our inability to adapt to cleaner technology, has lead us to pollute the Earth in ways we never thought possible. We are currently on a path that will lead to advance levels of environmental destruction that will become irreversible as time goes
"An Ocean Of Trash." Scholastic Action 33.12 (2010): 16. MasterFILE Complete. Web. 31 Jan. 2014.
The reduction in photosynthesising biomass led to an increased reliance on the Worlds other carbon sink, Oceans. Between 26-44% of CO2 in the atmosphere is absorbed by oceans by photosynthesising organisms, mainly phytoplankton (Archer, D. and Pierrehumbert, R., 2011), seawater chemically reacts with aqueous Carbon Dioxide, one of the end products is Hydrogen ions (H+) (NOAA, 2013). The increased concentration of H+ results in the ocean becoming more acidic, since pH is determined by concentration of Hydrogen ions.
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.
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
Cao, L., Caldeira, K. “Can ocean fertilization mitigate ocean acidification?” Climatic Change. Vol. 99, #1-2, 295-329.
Al Gore once said, “CO2 is the exhaling breath of our civilization,” this quote is completely accurate human civilization resolves around the production, consumption, use of entities that contain CO2. Due to our extreme use of CO2 based products we are causing a rapid spike in the CO2 levels in the atmosphere, the Mauna Loa CO2 records indicate CO2 levels has risen from 315ppm in 1960 to 403ppm in 2016 and it is still rising (noaa). This drastic increase of this toxic gas is that it is damaging the world, as we know it. The most talked about consequence of this is climate change, but the other “equally evil twin” is ocean acidification. This effect of this excessive amount of CO2 being released into our atmosphere is the decrease of pH levels of the oceans due to the increase uptake of CO2. The lowering pH level is due to the combination of CO2 and H2O combining and form carbonic acid, which is an acid. This acidification of the oceans is already wreaking havoc on the oceanic ecosystems and the effects will be more devastating in the
The contents of this presentation include the effects of rising CO2 levels, with an emphasis on aquatic ecosystems. One of the central focuses of this presentation is ocean acidification, which is an environmental effect directly caused by increasing CO2 levels. The contents of this presentation will cover the chemistry of ocean acidification, human activities that contribute to this global issue, the efforts taken by the Canadian government to address rising CO2 emissions and the economic impacts of rising CO2 levels.
Due to the overload of carbon dioxide in our atmosphere, it becomes impossible for trees to absorb all of it. Oceans have absorbed about thirty percent of the carbon dioxide that has been emitted into the atmosphere. (Logan, 2010) Acidification is when pH levels in the ocean begin to decrease leading to devastating effects. Carbon dioxide levels have increased about forty percent since the preindustrial times. (Doney, 2008) Coral reefs is a major organism within the ocean that experience the terrible effects of acidification. Coral reefs and the many organisms that live within them require well balanced pH levels in order to stay alive. Levels in pH have changed drastically, pH has fallen .11 from about 8.21 to 8.10 and is expected to continue to fall .3 to .4 pH units. (Doney, 2008)
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.
According to the article “On the potential for ocean acidification to be a general cause of ancient reef crises,” “In conjunction with climate change, ocean acidification (OA) is perhaps the most severe threat to marine ecosystems acting at global scales…” (Kiessling & Simpson, 2011). Ocean acidification has increased exponentially, since the Industrial Revolution, and has been a key contributor to an approximate 0.74 degrees celsius rise in global temperature over the past 100 years. (Hale et al., 2011). In the atmosphere, carbon dioxide levels influence the ocean’s acidity. Partial pressure of carbon dioxide has increased the amount of dissolved carbon dioxide in the ocean, which is causing the shift in the ocean’s pH, or acidity. Quoted from the article “Interactive effects of metal pollution and ocean
Climate change is a change climate patterns over time due to increased greenhouse gasses in the atmosphere. It’s usually caused by humans in which sense it is referred to as global warming. Global warming, as the name implies, is the increase in climatic temperature across the globe. The greenhouse effect is when greenhouse gases trap sunlight and heat up the atmosphere. Greenhouse gases according to the US Environmental Protection Agency (2013) include carbon dioxide, methane, water vapor, fluorinated gases, ozone, and nitrous oxide. Carbon dioxide is the major greenhouse gas, causing the most effect. Oxygen is naturally in the atmosphere, and the burning of fossil fuels produce carbon dioxide because they contain carbon. This is where the human effect comes in. we have become so industrialized we tend to forget that there are implications of certain actions such as pollution and deforestation. If Earth is treated like this without a change, eventually we will lose Earth or a major part of Earth thereof. This topic relates to this class beca...
Imagine you finally got that vacation to the beach you’ve wanted to go to for years. The first thing on your list is to go snorkeling and look at all of the beautiful coral and fish. You get out to the ocean and you see nothing that you thought you would see. You see some coral reefs, but they are brittle and not hosting any life. This is ocean acidification.
?Oceanic Acidification refers to a reduction in the pH of the ocean over an extended period, caused primarily by the uptake of carbon dioxide from the atmosphere? (NOAA, 2017).
Ocean acidification, resulting from the increased acidity of the ocean, is one of the lesser known implications of climate change, but it has the capacity to completely alter the marine ecosystem. Scientists have previously neglected ocean acidification because it was thought that rivers contained a sufficient amount of dissolved chemical from rocks to stabilize the ocean’s pH. However, in recent years, scientists have become aware of the effects that the increased anthropogenic CO2 has on the ocean. Since the beginning of the industrial era, the ocean has taken in roughly 525 billion tons of carbon dioxide from the atmosphere.1 The ocean takes in approximately 24% to 33% of CO2 emissions produced by human activity. CO2 molecules dissolve easily