The Blackboard

Where Climate Talk Gets Hot!

Skip to: Content | Sidebar | Footer

Month: December, 2007

Uncertainty In Climate Models: A ‘better than nothing’ estimate.

28 December, 2007 (10:22) | global climate change

At Climate Audit, Bender periodically wonders whether anyone knows the precision of a single run of a Global Climate Models (GCMs). My answer is: ±0.08K. Sort of. That is, for Hansen’s Scenarios A, B & C as they apply to the decade from 1973-1983. I’ll explain what I mean by precision, why I [...]

Carbon Dioxide Sequestration Thread

27 December, 2007 (10:18) | global climate change

The Zamboni went through at Climate Audit to eliminate discussion of Carbon Dioxide Sequestration. I know absolutely nothing about this topic, but you can discuss it here anyway.
The rules are:

The topic is about Carbon Dioxide sequestration. If you want a different topic, I’ll open that.
If you have a theory, describe the theory and explain [...]

Time Constant for Climate: Greater than Schwartz Suggests!

20 December, 2007 (13:09) | global climate change

A recent empirical analysis, Schwartz (2007), suggests that the time constant for the earth’s climate may be as low as 5 years. If so, the climate sensitivity of the earth may be much lower than suggested by Climate models. That estimate did not account for the effect of in field measurement uncertainty on the [...]

The GCM Predictions: The 100 Year Control Run

10 December, 2007 (17:50) | global climate change

Have GCM’s been proven able to predict changes in the Global-Mean Annual-Mean Temperatures? That is the question.
I’m pursuing the answer and beginning by examining the predictions contained in Hansen et. al 1988,
This paper contains two distinction types of runs, each of which could be said to contain a numerical experiments of sorts; in [...]

Can GCMs Predict Annual Mean Global Temperature?

10 December, 2007 (14:00) | global climate change

I firmly believe CO2 will tend to cause global warming and the effect is sufficiently large to worry about. That said, I’m also interested in reading the questions and arguments presented by skeptics. Many of these questions can be found in the unthreaded posts at Climate Audit.
Not being an expert in [...]

New Climate Blog?

3 December, 2007 (12:50) | Uncategorized

The idea of starting a new climate blog was introduced by bender on ‘Unthreaded 26″ at Climate Audit”.
One of the nice things about Climate Audit is the rapid discussion and the mild amount of editing. At the same time, Steve M likes many discussions to stay on topic, so as to [...]