Assignment:
Part 1:
1. What are proxy data? Provide some examples.
2. What types of evidence led Louis Agassiz to believe that parts of the earth had been glaciated?
3. What has happened to many European glaciers in the past 500 years?
4. What are isotopes, and why are they of value in climate reconstruction?
5. How does the area around the Great Salt Lake in Utah provide information about climate change?
6. What could cause sea level to fall?
7. How can the study of tree rings explain past climates?
8. What are the major eras of geologic time?
Part 2: (refer to attachment) tree showing the spacing of tree rings. Under warm conditions, trees grow faster and have wider spacing between the dark bands in the tree. Under cold conditions, the spacing is narrow as the tree grows slowly.
Use the diagram a time-series of temperature based on the information provided by the tree rings.( refer to attachment)
Attachment:- diagram of time-series of temperature.rar