Main Question

What are the different types of ice masses on Earth?

Questions

Define the following terms:
“Ice Sheet”.
Glacier

Label the pictures in Resource A with the following terms.

Using the data in Resource B calculate the average thickness of this area of the Antarctic ice sheet.

Draw a cross-section from the data in resource B.

Compare the pattern of ice thickness of the Antarctic ice sheet with the Greenland ice sheet (Resource C). Suggest reasons for any similarities.

Resource A

1. The Arctic.

Source: Bernd Hildebrandt https://pixabay.com/en/icebergs-sea-ice-greenland-932963/

2. Baffin Island

Source: Mike Beauregard https://commons.wikimedia.org/wiki/File:Baffin_Island_glacier_and_peg_swarm.jpg

3. Aletsch - Switzerland

Source: Frank Paul, University of Zurich https://www.flickr.com/photos/gsfc/8741348531

4. Southern Patagonia, Argentina

Source: NASA https://commons.wikimedia.org/wiki/File:Southern_Patagonian_Ice_Field.jpg

5. Antarctica

Source: Dave Pape https://en.wikipedia.org/wiki/File:Antarctica_6400px_from_Blue_Marble.jpg

6. Malaspina, Alaska

Source: NASA Goddard Space Flight Center https://commons.wikimedia.org/wiki/File:Malaspina_Glacier,_Alaska_(22800052331).jpg

Resource B

Cross-section of part of Antarctica

Distance from A to B (00km)	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
Altitude of surface of ice sheet (mt)	0	1000	1500	1500	1500	1500	1500	1600	1700	1700	1800	2000	2000	2000	1600	1500	1200	1000	700	700	500
Altitude of land (mt)	-500	-250	250	-250	-500	-500	-750	-1000	-1500	-1200	-1000	-1000	-1000	-1200	-2200	-2000	-1500	-1000	-1000	-1000	-1000

Resource C

Source: Eric Gaba (Wikimedia Commons user Sting) https://commons.wikimedia.org/wiki/File:Greenland_ice_sheet_AMSL_thickness_map-en.png