Shakun and Marotte for temperature during the Holocene and the Vostok, Law and Dome C cores for CO2.
According to Shakun and Mayotte, their resolution is greater than 300 years....so as I said, there is no data with fine enough resolution to support the claims you are making...and all the Law Dome and Vostok cores do is go back further into the ice age when one would expect CO2 to be lower....prior to the beginning of the ice age CO2 was in excess of 1000ppm.
There is no requirement for a "precise" value because there is no requirement for precise attribution. Using the most likely value of the sensitivity range still shows that human activity is responsible for more than half of the observed warming.
You claimed that the human contribution to warming was 50%....and can't say any more than using the "most likely" value of the sensitivity range....what you are saying is that you and climate science are taking a wild assed guess....the fact is that without a strong understanding of the climate and ALL the factors that drive it, you have no basis upon which to predict future climate.
I can state with a high degree of confidence that we know all of the major components of climate forcing. Again, precision is not required and you are obviously throwing it in here to get somewhere your science wouldn't otherwise take you.
Again...bald faced lie...at this point, we remain unsure as to the actual number of the planet's albedo...climate science still can't say for certain whether water vapor is a positive or negative forcing...hell, they don't even know what causes El Nino....to say that you can say with a high degree of confidence that we know ALL of the major components of climate forcing is just bullshit. That has to be one of the biggest lies you have told to date.
And knowing the amount of forcing for each factor damned well would be required if you wanted to actually derive an actual human fingerprint. Till you know everything else, you can't begin to put any amount of warming on humans with any credibility at all.
Do you think a one meter rise in sea level would be harmless?
No more damaging than the natural erosion of coastal areas which we deal with every day....and upon what actual evidence do you even make threats of a meter of sea level rise anytime in the near future? Models? At the present rate it will take 3.5 centuries to see a meter of sea level increase.
The IPCC's WG-III and IV have made extremely detailed and comprehensive estimates of the costs of doing nothing and the costs of dealing with the situation. The cost of doing nothing, like the cost of doing nothing in virtually ALL such situations, is orders of magnitude higher than the cost of dealing with it. Of course, it would have been much, much less expensive had we dealt with it back in the days of Kyoto, but I guess we had to deal with people like you, more interested in their fossil fuel stocks than the well being of mankind.
Comprehensive estimates based on wild assed guesses..that is what you are saying. At this point, you can't even say with any certainty that any measures we take with regard to CO2 will have any effect whatsoever. You are just making shit up and beyond a meter of sea level rise over the next few centuries, which would happen anyway you can't even point to any harm with any certainty.
Your "precision" bullshit and "ideal temperature" nonsense are become tiresome. Why don't you be honest and simply say - as we all already know - that you will reject out of hand any response I give you here? Is it because you're a fundamentally dishonest person? That's the conclusion I draw from all this.
What you seem to be saying is that it is unreasonable to expect anything more than wild assed guesses. Asking for anything more just brings the fact that we don't know into high relief and apparently you can't bear to look at that bit of truth. As to who is dishonest...you are a bald faced lying sack who has done nothing but lie one time after another in an attempt to answer these questions and every other question put to you.