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Archives for October 2022

The #ConcordOslo2022 workshop

25 Oct 2022 by rasmus

In recent years, the idea of climate change adaptation has received more and more attention and has become even more urgent with the unfolding of a number of extreme weather-related calamities. I wrote a piece on climate change adaptation last year here on RealClimate, and many of the issues that I pointed to then are still relevant. 

The dire consequences of flooding, droughts and heatwaves that we have witnessed the last couple of years suggest that our society is not yet adapted even to the current climate. One interesting question is whether the climate science community is ready to provide robust and reliable information to support climate change adaptation when the world finally realises the urgency to do so. In other words, we need to know how to use the best available information the right way. 

[Read more…] about The #ConcordOslo2022 workshop

Filed Under: Climate Science Tagged With: climate change, Climate Change adaptation, Downscaling, Impacts, REgional climate modelling

Scafetta comes back for more

10 Oct 2022 by Gavin

A new paper from Scafetta and it’s almost as bad as the last one.

Back in March, we outlined how a model-observations comparison paper in GRL by Nicola Scafetta (Scafetta, 2022a) got wrong basically everything that one could get wrong (the uncertainty in the observations, the internal variability in the models, the statistical basis for comparisons – the lot!). Now he’s back with a new paper in a different journal (Scafetta, 2022b) that could be seen as trying to patch the holes in the first one, but while he makes some progress, he now adds some new errors while attempting CPR on his original conclusions.

[Read more…] about Scafetta comes back for more

References

  1. N. Scafetta, "Advanced Testing of Low, Medium, and High ECS CMIP6 GCM Simulations Versus ERA5‐T2m", Geophysical Research Letters, vol. 49, 2022. http://dx.doi.org/10.1029/2022GL097716
  2. N. Scafetta, "CMIP6 GCM ensemble members versus global surface temperatures", Climate Dynamics, 2022. http://dx.doi.org/10.1007/s00382-022-06493-w

Filed Under: Climate modelling, Climate Science, El Nino, Featured Story, Instrumental Record, Scientific practice, statistics Tagged With: CMIP6, misinformation, Scafetta

Unforced variations: Oct 2022

7 Oct 2022 by group

This month’s open thread on climate-related topics (sorry for the slight delay in setting it up). As usual, try to limit yourself to one comment a day, don’t be unnecessarily aggressive and try to be substantive.

Filed Under: Climate Science, Open thread, Solutions

New misguided interpretations of the greenhouse effect from William Kininmonth

1 Oct 2022 by rasmus

I have a feeling that we are seeing the start of a new wave of climate change denial and misrepresentation of science. At the same time, CEOs of gas and oil companies express optimism for further exploitation of fossil energy in the wake of Russia’s invasion of Ukraine, at least here in Norway.

Another clue is William Kininmonth’s ‘rethink’ on the greenhouse effect for The Global Warming Policy Foundation. He made some rather strange claims, such as that the Intergovernmental Panel on Climate  Change (IPCC) allegedly should have forgotten that the earth is a sphere because “most absorption of solar radiation takes place over the tropics, while there is excess emission of longwave radiation to space over higher latitudes”. 

[Read more…] about New misguided interpretations of the greenhouse effect from William Kininmonth

Filed Under: Climate modelling, Climate Science, Communicating Climate, Greenhouse gases, IPCC, Scientific practice, skeptics Tagged With: climate change, co2, greenhouse warming

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