On the AR4’s projected 0.2C/decade temperature increase
by Judith Curry
“For the next two decades a warming of about 0.2C per decade is expected for a range of emission scenarios.” – IPCC AR4
climate models
The heart of the climate dynamics debate
by Judith Curry Lennart Bengtsson’s recent statement on climate research has elicited a response from Andy Lacis, that directly points to the fundamental debate in climate dynamics. In his statement discussed in the previous post, Bengtsson stated: Climate is nothing but … Continue reading →
How simple is simple?
by Tomas Milanovic This essay has been motivated by Isaac Held’s paper [link] arguing for possible emerging simplicity or even linearity in climate dynamics. Indeed a cursory observation of climatic phenomena shows a staggering complexity on all spatial and temporal scales. Tornadoes, … Continue reading →
UK-US Workshop Part IV: Limits of climate models for adaptation decision making
by Judith Curry This post discusses Workshop presentations on the utility of climate models for regional adaptation decisions. This post is a follow-on to the two previous posts: UK-US Workshop on Climate Science to Support Robust Adaptation Decisions UK-US Workshop … Continue reading →
How far should we trust models?
by Judith Curry In economics, climate science and public health, computer models help us decide how to act. But can we trust them? – Jon Turney Aeon has a very good article by Jon Turney entitled A model world. … Continue reading →
Workshop on the Roles of Climate Models
by Judith Curry I am in the Netherlands, attending a Workshop on The Roles of Climate Models: Epistemic, Ethical, and Socio-political Perspectives. I am particularly excited to meet many researchers from the philosophy of science community whom I have referenced in … Continue reading →
Implications for climate models of their disagreement with observations
by Judith Curry How should we interpret the growing disagreement between observations and climate model projections in the first decades of the 21st century? What does this disagreement imply for the epistemology of climate models? One issue that I want … Continue reading →
Spinning the climate model – observation comparison: Part II
by Judith Curry IPCC model global warming projections have done much better than you think. – Dana Nuccitelli Last February, I wrote a post Spinning the climate model – observation comparison, where I introduced Ed Hawkins’ now famous graph: The following … Continue reading →