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The Carbon Cycle

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by

Jeremy Diem

on 6 February 2014

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Transcript of The Carbon Cycle

As you learned in The Toposphere lab, the most abundant carbon gas is carbon dioxide (CO ).
This lab is about the
Carbon Cycle
, which is one of several
matter cycles
(water, oxygen, nitrogen, etc.).

Any cycle is made up of a complex set of interrelated processes...

Something that affects one process within the web of a particular matter cycle will in turn affect other processes within the cycle

Things that humans might put into the environment can affect the delicate equilibrium of these cycles
1. In the video they talk about carbon gas; what do you think they mean by this?

2. What is the difference between "young 'fast' carbon" and "old 'slow' carbon"?

3. What is important about this difference?
One last bit of information before we start to focus on the
Carbon Cycle
...

1.
Sources
=> These are parts of the environment that can
release

matter in a cycle in one of its forms. For example,
fossil fuels (natural gas, petroleum, and coal) in the movie you are about to watch.

2.
Sinks
=> These are parts of the environments that can
absorb

matter in a cycle in one of its forms. For example, the plants that absorb carbon dioxide to form the fossil fuels in the movie you are about watch
What is the carbon crisis that was mentioned in the video?
Plant Bowen
Cartersville, GA USA
The Carbon Cycle
What are some ways that you impact the carbon cycle?
2
Fossil-Fuels Video
By the end of this lab, which occurs over two sessions, you should have the knowledge to answer these big questions:

How can carbon be transferred between the atmosphere and Earth’s other spheres?
How would you describe changes in fossil-fuel carbon emissions from 1959 to 2010?
How would you describe changes in the uptake of carbon by the atmosphere, oceans, and terrestrial biosphere from 1959 to 2010?
How and why have atmospheric CO concentrations changed over the past 50 to 60 years?
How do atmospheric CO concentrations vary across the globe?
How has the uptake of carbon affected the oceans and terrestrial biosphere?
2
2
Full transcript