Exam 17: Glacial and Periglacial Processes and Landforms

Marine Isotope Stage 11 is important in understanding climate change because CO₂ levels and Earth's orbital alignment were similar to today's.

Drowned glacial valleys are known as

Recent work suggests the climate is not as stable as once believed and that it can change fairly quickly.

What is paleoclimatology? What evidence and techniques are used in this area of study?

Which is true regarding the Arctic?

Global warming has doubled the depth of the active layer in Siberia.

Which of the following is true?

Areas of permafrost,ground ice,and frost action are in which climate types?

How do ice cores help us understand climate change?

Noncryotic ground occurs in regions of continuous permafrost.

Snow that has a compact,granular structure is known as

The term periglacial refers to

How have glaciers changed the landscape of North America?

Which of the following is correct relative to the active layer in a permafrost region?

Kettle holes are formed by

Which of the following is true regarding permafrost?

Unsorted and unstratified glacial deposits (not landforms)are called

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

Which of the following is correctly matched?

How could plate tectonics cause long-term changes in climate?