Search Results for: climate sensitivity

by Judith Curry Are values of equilibrium climate sensitivity > 4.5 C plausible?

by Alberto Zaragoza Comendador How sensitive is the Earth’s climate to greenhouse gases? Speaking about carbon dioxide in particular, how much would air temperatures increase if we doubled atmospheric concentrations of said gas?

by Nic Lewis The two strongest potentially credible constraints, and conclusions.

by Nic Lewis The four constraints that Caldwell assessed as credible.

by Nic Lewis Emergent constraints on climate sensitivity:  their nature and assessment of validity.

by Nic Lewis Recently a new model-based paper on climate sensitivity was published by Kate Marvel, Gavin Schmidt and others, titled ‘Internal variability and disequilibrium confound estimates of climate sensitivity from observations’.[1]

by Nic Lewis A new paper in Science Advances by Cristian Proistosescu and Peter Huybers (hereafter PH17) claims that accounting for the decline in feedback strength over time that occurs in most CMIP5 coupled global climate models (GCMs), brings observationally-based … Continue reading →

by Frank Bosse Towards eliminating multi-decadal natural oscillations in determination of the Transient Climate Response (TCR) to CO2.

by Nic Lewis In a recently published paper (REA16),[i] Mark Richardson et al. claim that recent observation-based energy budget estimates of the Earth’s transient climate response (TCR) are biased substantially low, with the true value some 24% higher.

by Judith Curry A new paper purports to have resolved the discrepancy between climate response estimates from global climate models versus energy budget models.

by Nic Lewis An update to the calculations in Lewis and Curry (2014).

by Nicholas Lewis Different agents may have effects on global temperature (GMST) different to those which would be expected simply by reference to the radiative forcing they exert. This difference is encapsulated in the term “forcing efficacy”.

by Judith Curry A burning question for the Paris negotiations: Are the INDCs sufficient to prevent 2 degrees of warming?

by Judith Curry Presentations are now available  from the WCRP Workshop on Earth’s Climate Sensitivity.

by Judith Curry Interest is running high this week on the topic of climate sensitivity.

by Nic Lewis A new paper on aerosol radiative forcing has important implications for estimates of climate sensitivity.

by Robert Ellison Climate sensitivity is large in the vicinity of tipping points but moderate otherwise.

by Judith Curry The Lewis and Crok paper is stimulating much discussion; unfortunately little of it is technical.  Lets devote a thread to technical discussion on the issues the raise.

by DocMartyn My forecast is that temperatures will remain flat until 2040.