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CMIP6: Not-so-sudden stratospheric cooling

Real Climate

As predicted in 1967 by Manabe and Wetherald , the stratosphere has been cooling. The dominant factors are changes in CO2 (a cooling), ozone depletion (a cooling), warming from big volcanoes, and oscillations related to the solar cycle. Thompson et al. We are using the NOAA-STAR version 3.0 of these products (Zou et al.,

Cooling 288
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Phantastic Job!

Real Climate

It is not as though people have not tried – we discussed this here in 2014, where we made a plea for better graphs of the global temperature. All of which adds to the uncertainty. Now, 10 years later, we finally have something. They get an ESS around 7.7±0.6ºC 0.6ºC (95% CI).

Sea Level 358
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AR6 of the best

Real Climate

The observed reduction in surface warming trend over the period 1998 to 2012 as compared to the period 1951 to 2012, is due in roughly equal measure to a reduced trend in radiative forcing and a cooling contribution from natural internal variability, which includes a possible redistribution of heat within the ocean ( medium confidence ).

Sea Level 361
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A deep dive into the IPCC’s updated carbon budget numbers

Real Climate

Source: Data from IPCC (2014), Rogelj et al (2018), and IPCC (2021). Source: Data from IPCC (2014), Rogelj et al (2018), and IPCC (2021). estimate of no further CO 2 -induced warming or cooling once global CO 2 emissions reach and stay at next zero. IPCC (2014) Climate Change 2014: Synthesis Report. Leitzell, E.

2018 358
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Five glassy mysteries we still can’t explain: from metallic glasses to unexpected analogues

Physics World

In fact, the recipe can be simpler still, for we now know that almost any material can turn glassy if it is cooled from its liquid state so fast that its atoms or molecules are arrested before they have a chance to form a well-ordered solid state. As a liquid cools, it can either harden into a glass, or crystallize. Perfect solution?

Cooling 133
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Using Clouds to Fight Climate Change

HumanNature

Student in the Department of Atmospheric Science at Colorado State University Most people remember the water cycle they learned in school: water evaporates from lakes, rivers, and the ocean, air carrying this moisture rises, cools, condenses, and forms clouds, and these clouds precipitate water back down to the surface.

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CityU physics: investing in ‘rising stars’ to deliver sustained research excellence

Physics World

Cool heads and clear thinking are mandatory in the competitive world of front-line research as academic leaders strive for that winning – and sustainable – combination of visibility, recognition and impact that will set their physics programmes apart from the rest of the field.

2027 98