Carbon Cycle

Stop Discuss Carbon is an element. What is carbon? commonly found as graphite, diamonds carbon = 50% of our dry mass  the term “carbon-based” life form

Carbon is found in 4 large areas called reservoirs. carbon reservoir Carbon is found in 4 large areas called reservoirs. Stop atmosphere carbon reservoir biosphere Discuss carbon reservoir Where is carbon found? oceans carbon reservoir sediments

C C C C C C C C C C C C C C C C C C C C C C C C atmosphere biosphere The carbon cycle involves the transfer of carbon from carbon reservoir atmosphere C C C C one reservoir carbon reservoir biosphere C C C C to another. carbon reservoir oceans C C C C C C C C C C C C carbon reservoir sediments C What is the carbon cycle? C C C

4 Main Carbon Reservoirs atmosphere C 4 Main Carbon Reservoirs carbon reservoir biosphere C carbon reservoir oceans C Which reservoir contains the most carbon? carbon reservoir sediments C

Oceans contain the largest amount of carbon near the Earth’s surface. carbon reservoir oceans C C C C C C C C C C C C C C

Carbon Cycle Carbon is continuously exchanged and recycled among plants and animals, soil, air, oceans

Carbon Dioxide… Is the basis of carbon cycle comprises 0.03% of earth’s atmosphere product of combustion (oil, gasoline, coal, natural gas, wood) and respiration There is usually more CO2 in city air than country air

CO2/O2 Cycle Carbon is cycled through the atmosphere and biosphere reservoirs through photosynthesis and respiration. CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 O2 O2 O2

Carbon is also cycled between the atmosphere and oceans reservoirs. CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2

What process is being illustrated? Carbon also cycles between the ocean and sediment reservoirs. What process is being illustrated? CO2 CaCO3

C C C C C C C C C C C C C C C C C C C C C C C C atmosphere biosphere Carbon is continuously recycled and exchanged from carbon reservoir atmosphere respiration C photosynthesis C C C carbon reservoir biosphere one reservoir respiration C C C C to another. carbon reservoir oceans C C decomposition C C C C C C C C C C carbon reservoir sediments C C C C

The carbon cycle is relatively balanced among all the carbon reservoirs. Human activity has unquestionably changed the dynamics of the carbon cycle by increasing concentrations of CO2 in the atmospheric reservoir.

What is the greenhouse effect? changes in the Earth’s atmosphere that may enhance the natural warming process and elevate global temperature Most outgoing heat energy: trapped CO2 CO2 blanket of carbon dioxide and other greenhouse gases CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 What is the greenhouse effect? CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2

CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2

Carbon is directly related to… climate change greenhouse gases Why should I care about carbon? global warming pollution high energy demands

It can raise the mean global temperature of the Earth transparent gases in the atmosphere which contribute to the greenhouse effect include CO2, CH4 (methane), nitrous oxide, chlorofluorocarbons (CFCs), and water vapor It can raise the mean global temperature of the Earth trap heat near the Earth’s surface What are some examples of greenhouse gases? What are greenhouse gases? What do these gases do? What does trapping heat have to do with me?

Due to Wildfires in the area, many of the Autotrophs have been burned Due to Wildfires in the area, many of the Autotrophs have been burned. The rate of Photosynthesis that normally occurs in the Ecosystem in the Carbon Cycle has decreased. 1. Describe step-by-step, the problem this creates in the Carbon Cycle? 2. How does that effect the Biotic and Abiotic factors in the Ecosystem?