How important is CO2 to planetary habitability?

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Hydrogen greenhouse warming I: Early Earth Present-day Earth IR em<strong>is</strong>sion spectrum Hydrogen, nitrogen coll<strong>is</strong>ion spectra @ 300 K (HITRAN 2012) Wordsworth et al. 2012, in preparation http://lasp.colorado.edu/~bagenal/3720/CLASS5/EarthBB.jpg
Hydrogen greenhouse warming I: Early Earth • Assume surface albedo = 0.22, solar flux = 70% present value, clear sky & present-day CO 2 levels Wordsworth et al. 2012, in preparation
Page 1 and 2: How important is CO 2 to planetary
Page 3 and 4: Carbon dioxide defines the outer ed
Page 5 and 6: CO 2 clouds (1D studies) • Kastin
Page 7 and 8: Two outer edge planets: Mars and Gl
Page 9 and 10: Surface temperature vs. pressure CO
Page 11 and 12: Temperature-altitude correlation Ol
Page 13 and 14: Effects of diurnal / seasonal heati
Page 15 and 16: Gliese 581d simulations
Page 17 and 18: Effect of the close orbit • Glies
Page 19 and 20: So, CO 2 -rich case is potentially
Page 21: Hydrogen greenhouse warming I: Earl
Page 25: Conclusions • Advances in spectro

How important is CO2 to planetary habitability?

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