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Search Results for: validation
Verification, validation, and uncertainty quantification in scientific computing
by Judith Curry I think I am gaining some insight into the debate between scientists versus engineers regarding climate model verification and validation.
Posted in climate models, Uncertainty
Climate model verification and validation: Part II
I’m starting a new thread for this topic, since interest in the previous thread has re-generated owing to this AGU abstract by Steve Easterbrook, entitled Do Over or Make Do? Climate Models as a Software Development Challenge.
Posted in climate models
Climate model verification and validation
by Judith Curry On the thread building confidence in climate models , a small amount of text was devoted to verification and validation (V&V). In raising the level of the game, I included the following bullet: • Fully documented verification … Continue reading
Posted in climate models
Week in review – science edition
by Judith Curry A few things that caught my eye this past week.
Posted in Week in review
What’s the worst case? A possibilistic approach
by Judith Curry Are all of the ‘worst-case’ climate scenarios and outcomes described in assessment reports, journal publications and the media plausible? Are some of these outcomes impossible? On the other hand, are there unexplored worst-case scenarios that we have … Continue reading
Posted in Uncategorized
Week in review – science edition
by Judith Curry A few things that caught my eye this past week.
Posted in Week in review
Week in review – science edition
by Judith Curry A few things that caught my eye this past week.
Posted in Week in review
Sea level rise: what’s the worst case?
by Judith Curry Draft of article to be submitted for journal publication.
Posted in Oceans, Uncertainty
Warming patterns are unlikely to explain low historical estimates of climate sensitivity
By Nic Lewis A critique of of a new paper by Andrews et al., Accounting for changing temperature patterns increases historical estimates of climate sensitivity.
Posted in climate models, Sensitivity & feedbacks
Climate uncertainty & risk
by Judith Curry I’ve been invited to write an article on climate uncertainty and risk.
Posted in climate models, Policy, Uncertainty
Manufacturing consensus: the early history of the IPCC
by Judith Curry Short summary: scientists sought political relevance and allowed policy makers to put a big thumb on the scale of the scientific assessment of the attribution of climate change.
Posted in Attribution, Consensus, IPCC, Sociology of science
Reply to Patrick Brown’s response to comments on his Nature article
by Nic Lewis My reply to Patrick Brown’s response to my my comments on his Nature article.
Posted in Sensitivity & feedbacks
Greater future global warming (still) predicted from Earth’s recent energy budget
by Patrick Brown A response to Nic Lewis’ post A closer look shows global warming will not be greater than we thought.
Posted in Sensitivity & feedbacks
Brown and Caldeira: A closer look shows global warming will not be greater than we thought
by Nic Lewis A critique of a recent paper by Brown and Caldeira published in Nature that predicted greater than expected global warming.
Posted in climate models, Sensitivity & feedbacks
Estimating the cost to America of damage from climate change in the 21st century
by Larry Kummer, originally posted at the Fabius Maximus website. Another peer-reviewed paper predicting disaster from climate change by misrepresenting and exaggerating the science. We can still learn much from it.
Posted in Climate change impacts
Uncertainty about the Climate Uncertainty Monster
by Judith Curry The many dimensions of the climate uncertainty monster.
Posted in Uncertainty
The politics of knowledge
by Judith Curry One needs to ask good questions about whose claims to trust and why. – Sheila Jasanoff
Posted in Politics, Sociology of science
Uncertainties in sea surface temperatures
by Judith Curry Two new papers have focused on the quality, uncertainties and interpretation of global sea surface temperature data.
Posted in Data and observations, Oceans
Internal climate variability as a confounding factor in climate sensitivity estimates
by Frank Bosse Towards eliminating multi-decadal natural oscillations in determination of the Transient Climate Response (TCR) to CO2.
Posted in Sensitivity & feedbacks
Earth to Trump
by Judith Curry Defending NASA’s Earth Science Division, in terms that the Trump administration can relate to.
Posted in Politics, Sociology of science
Climate models for lawyers
by Judith Curry I have been asked to write an Expert Report on climate models. ***SEE UPDATE
Posted in climate models
Climate modelers open up their black boxes to scrutiny
by Judith Curry Paul Voosen has written a remarkable article in Science about climate model tuning.
Posted in climate models
Tamino’s adjusted temperature records and the TCR
by Frank Bosse Separating out the impacts of internal variability on evaluations of TCR.
Dust deposition on ice sheets: a mechanism for termination of ice ages?
by Donald Rapp In a recent paper, Ellis and Palmer (2016) proposed that deposition of dust on giant ice sheets, thus reducing their albedo, was a principal factor in the termination of Ice Ages over the past 800 kyrs.
Posted in Attribution, Sensitivity & feedbacks
Global climate models and the laws of physics
by Dan Hughes We frequently see the simple statement, “The Laws of Physics”, invoked as the canonical summary of the status of the theoretical basis of GCMs.
Posted in climate models
