Archives for October 3, 2006

A challenge to JA

There is a new paper in GRL, Does the Last Glacial Maximum constrain climate sensitivity? (subs) by Crucifix. Now the assumption of linearity in sensitivity was part of JA/JH’s work on constraining climate sensitivity, this may be a partial challenge (note that JH is thanked in the paper, so presumably they know about this stuff).

One of the things that just about no-one bothers contest is that CO2 is rising from anthropogenic contributions. There are good reasons for this; CO2 is well measured since Mauna Loa; it tracks (scaled by 50% for absoption) the known human sources… and so on. However, its a wide net out there and some people…