Leon Simons (looking up) Profile picture
Host of Climate Chat | Plain climate science & DATAVIZ | Mission: Understanding & protecting our home planet (Recycled from @NASA) | Support me on Patreon

Mar 12, 2024, 8 tweets

☀️📈BREAKING @NASA CERES🌡️📈

Why was 2023 so extreme? The data is finally in!

The world absorbed a lot more sunlight, as less was reflected.

While greenhouse gases kept most of the additional heat in.

Add El Niño and all temperature records shattered!

More 👇🧵

Let's start with the sun. It's a bit brighter, as it is starting to reach the peak of its 11-year cycle.

But that doesn't explain why our planet absorbed an additional 2.3 Watts per square meter over its 510 trillion m² surface, compared to the first decade of satellite data:

As global temperatures increased, the amount of Outgoing Longwave Radiation (OLR) increased.

But not as much as the Absorbed Solar Radiation (ASR) increased, leading to an increased rate of global heat uptake: Earth's Energy Imblance.

Resulting in the most important graph in the world:

In 2021 @NASA and @NOAA scientists published a paper showing that the rate of global heat uptake had doubled from 2005 to 2019.

It has only increased further since.


A few vocal individuals have shown scepticism over this subject in the past years, but now most seem to agree:

What causes this acceleration?

Increasing greenhouses and decreasing aerosols rapidly force our climate into a warmer state:

Broad research is ongoing to narrow this down further:


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