parts C and D Refer to FIGURE 82, an ASTER satellite image ofa 20 by 20 km area
ID: 292446 • Letter: P
Question
parts C and D
Refer to FIGURE 82, an ASTER satellite image ofa 20 by 20 km area of southern Alaska. It is an infrared image, so vegetation appears red, glacial ice is blue, and snow is white. I. Where is the zone of ablat C. cion in this image, and how can you tell2 2. Name cwo resources (used by humans) chat were created by the glaciers in FIGURE 8.2 miles 023 4 km D. REFLECT&DISCUSS; In what ways have the glaciers affected the landscape in the above image, and what does it suggeset about how extensive chese glaciers must have been in the pasteExplanation / Answer
Ans1. Zone of ablation refers to low latitude area of a glacier or ice sheet below firm with net loss in ice sheet due to melting , sublimation, evaporatin , ice calving , aeolian processes called ablation zone. Which can be seen at the snow sloping areas where U shaped valley is forming .in the river from upstream bring melting towards downstram ablation occur.
Ans2 glacier brings down melted fresh water on the surface which is useful for human for life and production
2 glacier till provides fertile soil and deposit of sand and granules.
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