Search Results for: verification and validation

Confidence in radiative transfer models

by Judith Curry The calculation of atmospheric radiative fluxes is central to any argument related to the atmospheric greenhouse/Tyndall gas effect.  Atmospheric radiative transfer models rank among the most robust components of climate model, in terms of having a rigorous … Continue reading

The culture of building confidence in climate models

by Judith Curry As climate models become increasingly relevant to policy makers,  they are being criticized  for not undergoing a formal verification and validation (V&V) process analogous to that used in engineering and regulatory applications. Further, claims are being made … Continue reading

Raising the level of the game

by Judith Curry Documenting, understanding and predicting climate variability and change is an issue of substantial scientific and socioeconomic importance.  The IPCC put forth a strategy for assessing the science that is based upon reducing uncertainty and building a consensus. … Continue reading

New report on climate change and security

by Judith Curry Mother Jones has an article entitled “CIA’s Weather Underground.”  Its closing sentence: In this political climate, it’s no wonder the CIA declined to discuss its global-warming research for this article. For the time being, the climate spooks … Continue reading

What can we learn from climate models?

by Judith Curry Short answer:  I’m not sure.

Separating natural and anthropogenically-forced decadal climate variability

by Judith Curry The issue of separating natural from anthropogenically forced variability, particularly in context of the attribution of 20th century climate change, has been a topic of several previous threads at Climate Etc.  The issue of natural vs anthropogenically … Continue reading

Stephen Schneider and the “Double Ethical Bind” of Climate Change Communication

By Judith Curry On the first anniversary of Steve Schneider’s untimely death, it is worth reflecting on his contributions at the intersection of climate science, policy, politics and media in the public communication of climate change.  Schneider’s views on this … Continue reading