Natural Climate Change Flashcards
1
Q
axial tilt year cycle
A
41,000
2
Q
change in tilt for axial tilt
A
21.5 to 24.5
3
Q
what does axial tilt change
A
seasonality
4
Q
small degree axial tilt mean
A
small difference between seasons
5
Q
axial precision description
A
wobble
6
Q
axial precision year cycle
A
22,000
7
Q
axial precision changes
A
point in year earth is closest to sun
8
Q
when did milankovitch propose the theory
A
1924
9
Q
orbit eccentricity cycle length
A
100,000
10
Q
orbit eccentricity changes what
A
amount of radiation earth receives
11
Q
what % of climate change do experts think is a result of solar variation
A
20%
12
Q
length of solar variation cycles
A
11years
13
Q
period where no sunspots in history
A
maunder minimum
14
Q
when was the maunder minimum
A
1645-1715
15
Q
What volcano erupted in 1991 causing year w out summer
A
krakatoa
