Natural Climate Changes Flashcards
1
Q
Changes in Orbital Shape
A
Earths orbit is Elliptical.
6% change in sunlight (isolation) recieved.
20-30% change in closest and furthest point from Sun.
95,000 year cycle.
2
Q
Changes to Earths Tilt
A
A smaller tilt causes less seasonal variation.
42,000 year cycle.
3
Q
Changes to Earths Wobble
A
21,000 year cycle.
The Earth wobbles as it rotates.
4
Q
Irregular Natural Changes: Volcanic Activity
A
Ash blocks sun, causing temp changes.
Atmosphere becomes more and less transparent.
5
Q
Irregular Natural Changes: Plate Movements
A
Redistribution of Landmasses effects Climate Patterns.
6
Q
Irregular Natural Changes: Sun Spots
A
Randomly influences received.
