I've been saving this one..
You don't know what the flux is going on do you? We're talking about the flux, so the Earth's sensitivity is rather important.
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You don't know what the flux is going on do you? We're talking about the
solar entropy flux and the Earth's sensitivity is rather important.
The 4 times difference in
solar entropy flux is found in:
Spectral solar irradiance and its entropic effect on Earth’s climate (PDF) published in 2011 by Wu et. al.
Of course the Earth also has an entropy flux. I do not know whether calculations of it use a blackbody or grey body model.
Physics
Is that code for "you do not know"

?
It takes less energy to warm the earth by 1 degree.
Rather obvious, basic and nothing to do with my questions:
Originally Posted by
Reality Check
However "increase in flux lowers sensitivity" needs clarification:
What is your source for that assertion?
What significance does this have for the estimates of climate sensitivity?
For example: 2 to 4.5°C warming for a doubling of CO2 (
IPCC 2007).
Estimates for climate sensitivity exist. As far as I know they include your effect on climate sensitivity by solar entropy flux. If I am wrong then I am sure that you can point out where the authors of the papers exclude solar entropy flux.
Are you paying attention at all? We're talking about the spectral variability in TSI.
Are you paying attention at all? We are talking about solar entropy flux. This is calculated from the solar radiation flux. The spectral variability of the solar radiation flux is important in calculating the solar entropy flux.
I noted that the reason that the TSI is no longer a primary
driver (not a factor affecting
climate sensitivity like you say solar entropy flux is) is that
- We have measured that the global temperatures have increased. This includes the last 30 years.
- We have measured that over the last 30 years the TSI has been roughly constant.
- Thus the TSI is no longer a primary driver of the climate.
- Thus something else is the primary driver of the climate. There is strong evidence that this is CO2. There is good evidence that the increase in CO2 is man-made.
I cited
Solar activity & climate: is the sun causing global warming? (Advanced version in case anyone is interested in reading up about the science behind why TSI is no longer the primary driver.
That is quite simple and I think that you would agree with it.
Global cooling is still very much on the table. You're going to be huddling around cooking marshmallows in Summer telling your grand kids about the Global Warming scare in '10. It's just a good thing they're bringing back the Woolly Mammoth!
Only in science fiction.
There is no "Global Warming scare".
There is the observation that the global temperatures of the Earth have been increasing. There is the strong evidence that the primary driver behind this is CO2. There is the climate science that predicts that the warming will not stop.