Lecture 14-20: the Atmosphere and Oceans
- The atmosphere
- Planetary habitability
- Mysterious water
- The temperature of the Earth
- A faint young Sun
- The necessity of a negative feedback
- The (long-term) Carbon cycle
- Changing climate
- Stable isotopes
- Cenozoic Climate
- Pleistocene Climate
We acknowledge and respect the lək̓ʷəŋən peoples on whose traditional territory the university stands and the Songhees, Esquimalt and W̱SÁNEĆ peoples whose historical relationships with the land continue to this day.
The atmosphere
In [3]:
Video("videos/planet_formation.mp4")
Out[3]:
Where does our water come from?
What sets the temperature of the Earth?
Calculating the 'emission' temperature of Earth
A faint young Sun and possible solutions
The silicate weathering feedback
Feedbacks
The long term carbon cycle (conceptual)
The long term carbon cycle (a model)
How does climate change?
How do we measure past climate change?
Stable isotopes: notation
Stable isotopes: equilibrium and zero point energy
Stable isotopes: equilibrium example
Stable isotopes: oxygen isotopes in the ocean
Compilation from Zachos et al., 2001
Compilation from Ravizza and Zachos, 2003
Compilation from Zachos et al., 2001
from Bemis et al., 1998
from Lisiecki and Raymo, 2004
