ecs, Tag

The problems encountered by scientists trying to put a number on Equilibrium Climate Sensitivity (ECS) for CO2x2 are almost insurmountable because of this complexity and estimates, consequently, vary greatly.

By Andy May The argument about the proper way to estimate error in the European Centre for Medium-Range Weather Forecast (ECMWF) ERA5 weather reanalysis dataset between Nicola Scafetta and Gavin…

CMIP5 models have not been at all skillful in predicting future warming; they have matched the illustrated 1970–2020 observed warming (which was past rather than future warming until the late 2000s, when CMIP5 models...

On that assumption, each $1 billion spent on abatement would prevent less than 1/10,000,000 C:

By Andy May In part one we discussed various estimates of climate sensitivity (ECS, TCR, and observation-based values) and what they mean, especially those reported in the latest IPCC report,…

By Andy May In part one we discussed various estimates of climate sensitivity (ECS, TCR, and observation-based values) and what they mean, especially those reported in the latest IPCC report,…

By Andy May The yearly net impact of clouds on outgoing and incoming radiation varies over one W/m2 from year-to-year, according to CERES satellite data.[1] AR6 tells us that cloud…

By Andy May The climate sensitivity to CO2 and other greenhouse gases (GHGs) is arguably the most important number in the climate change debate. AR6[1] claims the sensitivity, which they…

...the new NOAA data do not support a claim that warming in the troposphere has undergone a statistically-significant change in trend.

The cold weather on both sides of the Atlantic last month seems to have had its effect on temperature, which fell sharply compared with November, lengthening the New Pause to 8 years 4 months, as measured by the satellites...

On that basis, each $1 billion that Britain and the world spends on chasing after net zero will prevent just one thirty-millionth of a degree of warming that would otherwise have occurred.

.. the observational data suggest lower climate sensitivities (ECS) than promoted by the IPCC with a central estimate of +2.09 deg C. for the global average. This is at the bottom end of the latest IPCC (AR6) likely range...

Well, I’ve been reading the fine print of the IPCC AR6 WG1 Report. The authors are to be congratulated for preparing a document that is vastly more intellectually sophisticated than its recent predecessors. Topics like...

It is apparent that those who believe in anthropogenic global warming do not understand the intractable fundamental problem with their climate model approach...

To summarize without any math, the GHE exists. It experimentally must, and easily provably does. The GHE issues are how much when (ECS), not if. Any ‘skeptical’ arguments to the contrary are fairly easily rebutted, as...