Do Antarctic ice cores refute the CO2 climate model? 🤔
Let's take a closer look at a tweet from @FatEmperor. It shows that ice cores sometimes associate high CO2 concentrations with lower temperatures.
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https://x.com/fatemperor/status/1654244932763123712?s=46&t=xGSW9OyC4yrmt9dZxu32DQ
This fact has now been clarified and classified. The temperature on Earth is not only related to greenhouse gases such as CO2 and methane, but to a significant extent also to the precession of the Earth (orbit and wobble), the so-called Milankovitch cycles.
This explains why sometimes, for example, during ice ages, there was a very low temperature but a high CO2 concentration or the temperature began to rise a few hundred to a thousand years before the CO2 concentration. (Chart 1)
https://climate.nasa.gov/news/2948/milankovitch-orbital-cycles-and-their-role-in-earths-climate/#:~:text=The%20cycle%20of%20apsidal%20precession,about%2023%2C000%20years%20on%20average
https://www.pik-potsdam.de/~stefan/Publications/Journals/rahmstorf_etal_eos_2004.html
Precisely because the Milankovitch cycles cannot be blamed for the current warming of the earth, we know all the more about the clear anthropogenic influence on the climate, especially through the greenhouse gas CO2. (Chart 2)
