Geosphere- Extreme Events Flashcards
1
Q
What is uniformitarianism
A
The present is key to the past
2
Q
What is gradualism
A
The earth has evolved slowly over a very long period of time
3
Q
What is catastrophism
A
Many landforms are a product of extreme events
4
Q
Landslide sediment flux =
A
Magnitude x frequency
5
Q
What was the response of the river channel after the Mount St. Helens eruption
A
Initial aggradation
Incision and widening
Bed armouring
6
Q
What determines how long a landform persists for
A
The frequency of them occurring relative to the time it takes for their effects to be removed by other processes
