Science: The Carbon Cycle
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Science: The Carbon Cycle
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25 Questions

1. On Alaska's North slope, permafrost temperatures have spiked how much in 30 years?

2. Permafrost has warmed up by how much in last 20 years?

3. When describing the anthropocene, in their study of physical systems over millions of years many scientists have said that they believe we have reached what point?

4. Dead plants trapped in permafrost amount for huge amounts Carbon trapped in the soil, roughly how many times the anthropogenic sources into atmosphere per year?

5. Atmospheric concentrations of carbon dioxide are currently what?

6. Predictions that if global warming continues, how much of permafrost could be gone by 2200?

7. Today, Carbon Dioxide is what kind of gas in Earth's atmosphere?

8. How much carbon is stored in the soils?

9. Carbon Store: Oceans

10. What is a biogeochemical pathway?

11. (In relation to Carbon) Life on earth is described as...

12. What are the rates of sea level rise over the last 2 years?

13. Oceanic stores can be divided into 3 zones:

14. How much stronger is methane than CO2 as a greenhouse gas, withheld in permafrost?

15. At the local scale, is the carbon cycle open or closed?

16. Globally, how many Gt of Carbon does permafrost hold?

17. How much carbon is stored in plants?

18. The NOOA measure atmospheric carbon. How do they do this and what have they found?

19. What type of process is the carbon cycle?

20. How much carbon is stored in the atmosphere?

21. Atmospheric carbon dioxide levels have reached very high values in the deep past, possibly topping over..(1)...in the Cambrian period around 500 million years ago. Its lowest concentration has probably been over the last 2 million years during the ....(2)....glaciation when it sank to about...(3)...

22. What are the summarised (bullet points) results of putting more carbon into the atmosphere? These are all linked.

23. How much has the sea level risen since 1901?

24. Where is the largest amount of carbon on Earth is stored?

25. What are the processes (transfers) which control the movement of carbon between stores on land, in oceans and the atmosphere called?

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