Orbital Forcings Flashcards
(8 cards)
1
Q
External (3)
Long term
A
Eccentricity
Obliquity
Procession
2
Q
Short term internal forces
(2)
A
Volcanic eruption
Asteroid impacts
3
Q
What is
Eccentricity
A
Distance change less solar energy
Distance of sun to the earth(0———>o)
(0—>o)
4
Q
What is obliquity
A
Tilt of the earth
How long seasons last
5
Q
What is Procession
A
Wobble the timing of seasons
6
Q
Negative feed back in carbon
A
Co2 leads to both warmer temperatures and availability of co2 for uptake in plants this promotes photosynthesis and more co2 is sequestered in the plants
7
Q
Positive feedback carbon cycle
A
Warmer oceans
Less co2 uptake
More co2 in the atmosphere
More warming
8
Q
What is the protest called in Winchester because of the silver hill regeneration
A
Winchester deserves better 2000 residents
