Geology: Nuclear Waste & Groundwater Flashcards
1
Q
Why is nuclear waste stored 5 km underground in Finland?
A
- Future ice ages could cause 4 km of ice pressure.
- Deep storage prevents leakage and contamination.
2
Q
Where does drinking water come from?
A
- Extracted from sand layers, as clay slows filtration.
- Water from 300 years ago is cleaner due to lack of industrial pollution.
3
Q
How does groundwater over-extraction affect infrastructure?
A
- Causes land subsidence.
- Leads to building foundation instability.
