Climate Dynamics Lecture 13 - Climate Change

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Climate Change
- Intergovernmental Panel on Climate Change
- Contributions to Climate Change
- Greenhouse Gasses
- Impacts of Climate Change
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Thanks so much. The last 30 mins are especially good.

rapauli
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A couple suggestions: Where is the W/m2 change due to the greening of the earth from CO2 fertilization? There is also no discussion about the decreasing effect of CO2 infrared emission as concentration increases or quantification of CO2 saturation level in the energy absorption and emission band.

daveandrews
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Ar5 does not include water vapour. The water vapour is variable and is probably increasing. Water vapour is a greenhouse gas.

Is current vapour levels forcing climate change.

What about Sulfur dioxide in the atmosphere. Is that included on the list.

The more I look at the science, principles are generally agreed, the less convinced I’ve become about co2 as man made cause of the current climate change.

Interesting though. Love the science around climate change.

nicholasmills
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Very poor explanation on the role of H2O as a greenhouse gas! In fact understates the role of water vapor in the atmosphere, which as a molecule is 10x stronger at being excited by infra-red than CO2. H2O makes up 3% of the total atmospheric gases (Nitrogen is 75%, Oxygen 20%), CO2 makes up just 0.04%.

kjr