Exam 17: Glacial and Periglacial Processes and Landforms

Glacial ice is

Glaciation can take about ________ years, whereas deglaciation requires about ________ years.

During the Pleistocene up to 11% of Earth was covered with ice.

Elongated hills, often in the shape of an inverted spoon, streamlined in the direction of glacial movement are called

The thickness of the active layer increases toward the poles.

Disappearance of Mount Kilimanjaro's glaciers have been attributed solely to climate change.

Glacial ice forms more quickly in polar environments than in midlatitude, alpine environments.

The Great Salt Lake is a remnant of which pluvial lake?

The area of sediment deposit by by glaciofluvial action beyond the glacial terminus is known as the

The Great Lakes of North America were created by

Differentiate between alpine and continental glaciers, ice caps and ice fields.

Crevasses in alpine glaciers result from friction, tension, or compression.

Which of the following is evidence of recent changes in polar regions?

In terms of areal extent, which of the following sequences is ordered from largest to smallest extent covered?

Solifluction is most similar to which mass movement process?

Vatnajökull is the largest and most voluminous Icelandic glacier. It is roughly circular in shape, overlays several volcanoes, and covers an area of approximately 8,100 km² (3,100 mi²) with an average thickness of 400 m (1,300 ft). This is an example of a(n)

Sea levels 18,000 years ago were approximately

Which of the following is not true?

Frozen subsurface water in regions of permafrost is called

A valley glacier is a form of alpine glacier.