Not exact matches
The new research differs from other so - called extreme
event attribution studies, not just in its broad - brush
approach, but also in how the term «extreme» is defined.
I think you want to look at the concept of «fractional
attribution» rather than an either - or
approach of attributing a given
event to «natural cause» vs. «anthropogenic cause.»
IIRC Hansen first broached the 3 - sigma
approach to
attribution a while back, so AFAICT what's new here is the finger being pointed at additional recent
events (and of course anticipating being able to make the same finding for the current NA drought / heat).
«This analysis proves that the modelling
approach behind one of the main pillars of real - time
event attribution undertaken is sound and applicable to a range of extreme
events in regions where we have confidence in the model performance», said Karsten Haustein, lead author of the new paper.
The University of Oxford's role will be to test different
approaches to
attribution, in particular to define extreme weather
events and evaluate our models, using climateprediction.net's distributed computing system.