PREM Flashcards
(5 cards)
1
Q
What is PREM? What does it provide?*
A
The preliminary reference earth model provides estimates for seismic velocities in each layer of the earth based on seismic observations
2
Q
What does PREM serve as? *
A
Serves as a valuable reference for understanding Earth’s internal structure
3
Q
What does it aid?
A
Aids in studying plate tectonics, and investigating the dynamics and composition of our planet’s interior
4
Q
What two things change towards the core of earth?
A
Gravity decreases towards the core and pressure increases towards the core
5
Q
How does density change?
A
Density increases as it moves from solid to liquid
