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Carbon Cycle

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Dylan Hadden

on 12 February 2013

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Transcript of Carbon Cycle

The Carbon Cycle The Carbon Cycle begins with the sun, which allows plants to convert solar energy into glucose and release oxygen (the by-product) into the atmosphere, in a process known as photosynthesis. In the process of photosynthesis, carbon is taken out of the atmosphere. O 2 O 2 When Susan eats an apple from the tree, she is consuming some of the carbon that tree has absorbed in photosynthesis.

Like the tree, her body has become an organic, short term reservoir. The carbon in Susan can be released through either excretion, or death (poor Susan). The atmosphere is a relatively small, inorganic reservoir for carbon, containing approximately 750 gigatons.

Carbon released through respiration, forest fires and the burning of fossil fuels is collected in the atmosphere. When Susan breathes in, she is inhaling oxygen, the by-product of photosynthesis, and when she breathes out she is exhaling carbon dioxide, which plants then use to preform photosynthesis. While these are adverse effects, they are important to renewing the carbon cycle. After decomposition, Carbon will sink into the ground, where it can be potentially used in multiple ways. Carbon can be contained in the earth for millions of years, and through enough heat and pressure eventually form fossil fuels. Carbon can also be released through erosion or soil respiration, which can take thousands of years, or it can be exported to the oceans through subterranean water reservoirs. The lithosphere is accountable for 150 gigatons of carbon. In soil respiration, roots, microbes, and other organisms living in soil respire carbon, which transfers it up to the atmosphere. Soil respiration can be extremely important for productive plants. O 2 CO 2 Soil Respiration OR Fossil Fuels Mining Fossil fuels high in carbon include coal, petroleum, and natural gas. These fossil fuels are extracted from the ground and used to fuel our day to day lives. Susan Bibliography CO 2 "Air" European Comission. December 12, 2012. http://ec.europa.eu/environment/air/index_en.htm

Reibeek, Holli. "The Carbon Cycle" The Earth Observatory. June 16, 2011. http://earthobservatory.nasa.gov/Features/CarbonCycle/

"Laws and Regulations" Pollution Issues. Aug, 2004.
http://www.pollutionissues.com/Ho-Li/Laws-and-Regulations-International.html

S.M. Enzler MSc. "Fossil Fuels" Lenntech, Water Treatment Solutions. 2003. http://www.lenntech.com/greenhouse-effect/fossil-fuels.htm

Dr. Lucinda Spokes. "Air-Sea Gas Exchange" espere. 2003. http://www.atmosphere.mpg.de/enid/1w0.html

"The Earth's Carbon Resivours" Climate Change. 2002. http://earthguide.ucsd.edu/virtualmuseum/climatechange1/05_1.shtml Burning fossil fuels released carbon into the atmosphere Like the atmosphere, lithosphere, and the biosphere, the hydrosphere is also a carbon reservoir. In fact, the hydrosphere is the largest of both the abiotic and biotic reservoirs, containing about 36,000 gigatons of carbon. CO 2 One way carbon dioxide from the atmosphere finds its way into oceans is a process known as air-sea gas exchange, in which carbon dioxide from the atmosphere dissolves into sea water.

Another way is a solubility pump, in which carbon dioxide is dissolved into sea water, and because cooler sea water is able to dissolve more carbon dioxide, the carbon passes to the deep ocean. This allows surface sea water to further dissolve carbon dioxide. Acts and Laws on Carbon Dioxide Emissions In 1947, the first state air pollution law was enacted by California, to combat smog in Los Angeles.

The first federal movement in establishing air quality came shortly after with the Air Pollution Control Act of 1955.

In 1970, the environmental protection agency was issued through the
power of executive order by President Nixon. The EPA emphasized
not only enforcing air pollution laws, but repairing damage already done. Laws in the United States International Laws The United Nations Framework Convention on Climate Change specifically in itself addressed carbon dioxide in the atmosphere and it's relation to global climate change.

The European Union's air quality standard is also a fine example of international legislation, which establishes health based standards of number of pollutants in the air. These laws are important, because without them, things may very well turn out like this... Botkin & Keller. Enviormental Science. Earth as a Living Planet. Wiley. 2007.

"Grumpy Cat" Quick Meme. http://memegenerator.net/instance/34057525

Zuckerman, Wendy. "Whale poop is vital to ocean's carbon cycle" Climate Change.
http://www.newscientist.com/article/dn18807-whale-poop-is-vital-to-oceans-carbon-cycle.html Bibliography
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