Author Question: Relate glacial budget to two zones of a glacier. What will be an ideal ... (Read 59 times)

bcretired · **on:** Jul 14, 2018

Relate glacial budget to two zones of a glacier.

What will be an ideal response?

Question 2

What are crevasses, and where do they form?

What will be an ideal response?

SomethingSomething · **Reply #1 on:** Jul 14, 2018

Answer to Question 1

The glacial budget is dependent on the zone of accumulation and the zone of wastage. The glacial budget refers to a balance (or lack of balance) between these two zones. If accumulation exceeds wastage, there is a positive budget, and the ice advances. If wastage exceeds accumulation, there is a negative budget, and the ice retreats.

Answer to Question 2

Crevasses are huge cracks in the brittle upper 50 meters of glacial ice. When the ice mass moves over irregular terrain, the brittle part of the ice, the zone of fracture, is subjected to tension, resulting in cracks.