1. How do longitudinal dunes likely form?2. Discuss how glaciers and ice sheets transport...

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1. How do longitudinal dunes likely form?2. Discuss how glaciers and ice sheets transport sediment?
(each question has to be 3 pages answer)

BROCK UNIVERSITY BROCK UNIVERSITY Course: ERSC./Geog. 2P05 Number of Pages: 1 Exam: Test II Number of Students: 48 Date: November 2021 Time: ~5 days from posting on Sakai Instructor: Prof.J.Menzies Answer TWO Questions (of at least 3 pages in length per question) Use Diagrams where applicable _______________________________________________________________________ 1. Discuss the process of crevasse formation on glaciers. 2. Discuss the likely impact of Global Warming on the “Frozen Layer” within permafrost terrains. 3. Discuss how glaciers and ice sheets transport sediment? 4. Discuss the evolution of High Velocity Planar Beds to Anti-Dunes. 5. Why do ocean waves refract? 6. Explain glacio-isostasy. 7. Discuss the process of mass movement in Periglacial terrains. 8. How do waves break on a beach and transport sediment towards the beach? 9. How do ice sheets and glaciers deposit sediment in marine settings? 10. How do Longitudinal Dunes likely form? © Menzies, Nov. 2021 BROCK UNIVERSITY BROCK UNIVERSITY Course: ERSC./Geog. 2P05 Number of Pages: 1 Exam: Test II Number of Students: 48 Date: November 2021 Time: ~5 days from posting on Sakai Instructor: Prof.J.Menzies Answer TWO Questions (of at least 3 pages in length per question) Use Diagrams where applicable _______________________________________________________________________ 1. Discuss the process of crevasse formation on glaciers. 2. Discuss the likely impact of Global Warming on the “Frozen Layer” within permafrost terrains. 3. Discuss how glaciers and ice sheets transport sediment? 4. Discuss the evolution of High Velocity Planar Beds to Anti-Dunes. 5. Why do ocean waves refract? 6. Explain glacio-isostasy. 7. Discuss the process of mass movement in Periglacial terrains. 8. How do waves break on a beach and transport sediment towards the beach? 9. How do ice sheets and glaciers deposit sediment in marine settings? 10. How do Longitudinal Dunes likely form? © Menzies, Nov. 2021

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Title: Earth Science
6. Explain glacio-isostasy.
Glacial isostatic adjustment is the ongoing movement of land once burdened by ice-age glaciers. Although the ice melted, long ago, however, the land was under and around the ice; and it is still rising as well as falling to its ice age burden. This concept of isostasy is describing about the response of the changing planets on the surface load. This total ongoing movement or the process of melting and rising is known as the glacial isostasy. In this regard, the planet responds to the changing surface of the loads of ice and water during the process of waxing from the huge ice sheet. 
When the planet is warmed up and the ice starts melting then the melted water returns to water basin, which further causes the rise in the sea level as the water level increases. When the ice sheet as well as the glaciers covered the land during the ice age of Pleistocene, the weight of the ice, which is increased up, depresses the elevation of the land (Dumitru et al.). In this regard, Greenland is a beautiful example of isostasy in action where the massive portion of the land remains under the sea level (Parker).
The entire concept of isostasy was been coined by the famous American geologist Clarene Dutton in 1882,

BROCK UNIVERSITY BROCK UNIVERSITY Course: ERSC./Geog. 2P05 XXXXXXXXXXNumber of Pages: 1 Exam: Test II Number of Students: 48 Date: November 2021 Time: ~5 days from posting on Sakai...

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