Question 1
Answer questions for Earth the Biography: Ice
Please answer the following questions
1. According to Dr. Stewart, are we currently in an ice age?
2. How many times has the ice advanced in the last billion years?
3. Why is the face of El Capitan so smooth?
4. How does the ice affect the climate of an area, even the world?
ASSIGNMENT 2
For this week find a glacier (use the USGS page, or other resources) and talk about how it has been affected (if at all) by recent climate change. Why did you pick this particular glacier? Where is it? How has it been changing? How long has it been studied? What evidence is there for the changes that are occurring? Is there an estimate on how much ice is being lost per year? What impacts are anticipated?What is the source of your information? Try to use glacier vocabulary: surging, calving, melt-water lakes, snow accumulation…
Also post a response to another person’s glacier description. Do you agree with their evidence? Are there any similarities or differences between your glacier and theirs? Do you have any questions about their glacier?
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