Paper details
Open Google Earth.
1. In the SEARCH menu on the left of the screen, type “Pine Island Glacier” in the space and select
Search. It will take you to northern Antarctica. Zoom out until you see the southern tip of Chile. Now you
can see the fragmented coast of Antarctica with a visible ice-water boundary.
2. Zoom in or out using the vertical + . . . . . . . . . . . . . – scale on the right of your screen. It is important to
zoom in and out to both identify and illustrate key characteristics of the water-ice interface.
3. Zoom in on the ice-water boundary near the Canisteo Peninsula (northwest of the Hudson Mountains).
Move your cursor on the top toolbar. As you hover over each tool, its label is specified. Select the one
labelled “Show Historical Imagery.”
4. Your view will slightly change; don’t worry, this is common. A slider will appear in the top left corner of
your view with start and end dates. This is the date range for which imageries are available for this location.
Move the slider from newer to older dates and observe the change(s) in the water-ice interface. Repeat this
a few times and you will notice a change, either the icebergs will increase or decrease in size. Because of
gaps in satellite coverage, the slider may not move smoothly, and that is normal.
5. Repeat the process for TWO more locations anywhere around the entire periphery of Antarctica. Select
locations that show the maximum amount of change.
Your lab report should include the following:
1. For each location, add one or more images in your report. To save an image, click File, then Save, and
finally Save Image. Give it an appropriate name and insert it in your Word document.
2. For each location, describe the name (derived from nearby peninsulas), characteristic features, latitude,
longitude, and height above mean sea level and whether it is advancing or retreating (increasing or
decreasing icebergs) with age progression.
3. Include a background of the Antarctic ice sheet and its unique living organisms. Currently, a lot of
research is carried out on the pelagic and benthic communities of Antarctica. What effect will the advancing
and retreating glaciers have on those communities? [Hint: salinity.]
4. Once you collect all the data, think of possible causes for the observed changes at your locations using
the knowledge that you have learned so far in the course and the information obtained through your work in
Step #3. In your lab report, list at least two possible causes, with a brief explanation/justification for each.
Feel free to add more causal mechanisms.
APA References
References:
Google Earth (Links to an external site.). (n.d.). Retrieved from http://www.google.com/earth/
National Association of Geoscience Teachers (NAGT). (n.d.). User guide (Links to an external site.).
Teaching Methods, Cutting Edge. Retrieved from
http://serc.carleton.edu/NAGTWorkshops/teaching_methods/google_earth/UserGuide.html
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