Search Results for: verification validation

by Judith Curry Paul Voosen has written a remarkable article in Science about climate model tuning.

by Judith Curry I have been asked to write an Expert Report on climate models. ***SEE UPDATE

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.

by Anonymous [O]ur notion of software quality with respect to climate models is theoretically and conceptually vague. It is not clear to us what differentiates high from low quality software; nor is it clear which aspects of the models or … Continue reading →

by Judith Curry In my original essay on this topic October 2010, my short answer to this question was “I’m not sure.”   My current thinking on this topic reframes the question in the context of fitness for purpose of climate … Continue reading →

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.

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 →

by Judith Curry Overall, climate modeling has made enormous progress in the past several decades, but meeting the information needs of users will require further advances in the coming decades. – NRC

by Judith Curry This question is posed and addressed in a recent article by Joel Katzav in EOS.

by Judith Curry This week I am attending a meeting of the Earth Science Subcommittee of the NASA Advisory Council.  As described in the Public Notice for the meeting, the topic of this meeting is evaluation of NASA’s  Earth Science … Continue reading →