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Author Question: Which will have a greater impact on global temperatures: volcanic ash or volcanic gases? Why? ... (Read 105 times)

acc299

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on: Jul 15, 2018
Which will have a greater impact on global temperatures: volcanic ash or volcanic gases? Why?
 
  What will be an ideal response?

Question 2

Compare and contrast fossil pollen, tree-growth rings, and corals as three proxies for determining paleoclimate.
 
  What will be an ideal response?


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vickyvicksss

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Reply #1 on: Jul 15, 2018
Answer to Question 1

Answer: Volcanic gases. They stay in the atmosphere for longer. Also, they can bond with dust and water to make aerosols and reflect incoming solar radiation.

Answer to Question 2

Answer: The growth and distribution of all three proxies would be affected by the temperature. Cold temperatures would slow growth/distribution whereas warm temperatures would increase it. Temperature will also affect the species dominant at given times. Also, each yield specific information the others may not: pollen provides data on vegetation ecology, tree-growth rings provide data on annual climate variability, and corals provide data on sea water temperature.


acc299

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Reply #2 on: Jul 15, 2018
Thank you


vickyvicksss

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Reply #3 on: Jul 15, 2018
No problemo


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