Climate change and increased temperatures: Discussions about climate fluctuations continue to spark on social media. The individual arguments must be looked at carefully.

The most important thing about “climate fluctuations over the last 420,000 years” Sharepic in brief:

  • The curve shown is not a fake
  • Sharepic shows Milanković climate theory
  • This climate theory has nothing to do with current climate change

In this case it's about a sharepic that shows certain climate fluctuations over the last 420,000 years. More precisely, it is about temperatures and temperature peaks.

The sharepic is accompanied by a caption that, on one level, refers to the temperature fluctuations and, on a second level, relates to current political situations and man-made climate change. You can read here:

[mk_ad]

Climate fluctuations over the last 420,000 years! A completely normal behavior of nature and in no way man-made. Or did Greens already drive diesel engines 420,000 years ago?

Visually, this sharepic (often called a tile in modern German) appears in the following form:

Climate fluctuations
Climate fluctuations

Climate fluctuations are not fake!

If you look closely at the Sharepic, the chart used is displayed correctly because it reflects the historical temperatures (ice core drilling).

What you can see exactly here are the so-called Milanković cycles , or the Milanković climate theory ( compare curve here ). This climate model is about the alternation of warm periods and ice ages, which is what the graphic actually shows.

This change is not a fake and is subject to certain factors such as the change in the eccentricity (ellipse) of the Earth's orbit, the variation of the inclination of the equator plane relative to the orbital plane, superposition of the precession of the Earth's axis with a rotation of the orbital ellipse.

[mk_ad]

It is precisely these factors that cause the climate fluctuations shown in the graphic. But now comes the big “BUT” and the reason why the conclusion described in the Sharepic is wrong:

These are not cycles and increases over a period of 10, 20 or 100 years, but rather we are talking about values ​​over many thousands of years.

For comparison: The current temperatures are still below the historical maximum temperatures from the past around 120,000 years ago (ice core drilling) at around + 4 degrees.

Even if the climate fluctuations in the sharepic are correct, the Milanković climate theory does not apply in the context of climate change in recent decades.

Polemical description

In this respect, the description of the Sharepic should also be viewed as polemical, since neither diesel engines nor Green Party politicians play a role in the context of Milanković's climate theory.

The climate fluctuations shown in the sharepic have no relation to man-made climate change in recent decades.

 


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Notes:
1) This content reflects the current state of affairs at the time of publication. The reproduction of individual images, screenshots, embeds or video sequences serves to discuss the topic. 2) Individual contributions were created through the use of machine assistance and were carefully checked by the Mimikama editorial team before publication. ( Reason )