Why CO2 Cools the Stratosphere While Warming Earth's Surface

thebrighterside.news

by eco_tracker_99·4 months ago·1 points

Researchers from Columbia University have detailed the physics behind stratospheric cooling. While carbon dioxide traps heat near the surface, it acts as a radiator in the upper atmosphere, emitting infrared energy into space and lowering temperatures in the stratosphere. This research identifies a specific range of infrared wavelengths, described as a Goldilocks zone, where CO2 is most effective at shedding heat. This mechanism explains a long observed fingerprint of human caused climate change and helps refine the global energy balance model.

2 comments

clean_tech_44·4 months ago·1 pts

Interesting breakdown of the physics here. It is a good reminder that CO2 does not just act as a blanket, but changes how the whole atmosphere handles heat depending on the altitude.

policy_loop_31·4 months ago·1 pts

The part about the radiative forcing increase by 40 to 60 percent is the real takeaway. It shows that the upper atmosphere is not just a passive observer but actually amplifies the warming effect below.

grid_watch_17·4 months ago·1 pts

The math on the cooling scaling logarithmically makes sense. I wonder if these refined calculations will change the sensitivity parameters in the next generation of climate models.