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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 290
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The AMOC is slowing, it’s stable, it’s slowing, no, yes, …

Real Climate

2018 (Fig. 2018 (our Fig. Of the 24 CMIP6 models, a full 23 underestimate the sea surface cooling in the ‘cold blob’ And most of the CMIP6 models even show a strengthening of the AMOC in the historic period, which past studies have shown to be linked to strong aerosol forcing in many of these models (e.g.

Ocean 360
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A deep dive into the IPCC’s updated carbon budget numbers

Real Climate

In the 2018 IPCC Special Report on Global Warming of 1.5°C in 2018, but they represent a significant update since AR5 in 2013. Source: Data from IPCC (2014), Rogelj et al (2018), and IPCC (2021). Source: Data from IPCC (2014), Rogelj et al (2018), and IPCC (2021). 2018) A new scenario resource for integrated 1.5 °C

2018 358
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Phantastic Job!

Real Climate

There was a workshop in 2018 (that I attended) to discuss how one might go about doing something better – updating the data, improving quality control, and using models to better connect local or regional signals to the global means. and, like many of us, had found the then-current literature somewhat unsatisfactory. 0.6ºC (95% CI).

Sea Level 358
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Antarctic extreme events: ‘All-time records are being shattered not from decades ago, but from the last few years and months’

Frontiers

For example, Antarctica acts to cool our planet by reflecting solar radiation back to space by virtue of the brightness of its snow surface. In the ocean, 19 marine heatwaves have been recorded between 2002 and 2018. In the Arctic this has led to regional warming four times faster than the global average.

Ocean 98
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Supporting the scale-up of quantum computers

Physics World

The company has products serving both quantum computing and the physical sciences, including a wide range of cryostats as well as dilution refrigerators that can cool samples to a few millikelvin. You’re combining your new role with your existing position at the University of Glasgow, where you’ve been since 2018.

Cooling 115
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Poor Swelter as Urban Areas of U.S. Southwest Get Hotter

Science & Climate

This study provides the most detailed mapping yet of how summer temperatures in 20 urban centers in California, Nevada, Utah, Arizona, Colorado, New Mexico and Texas affected different neighborhoods between 2018 and 2020. The researchers found even greater heat disparities in California than in other states.

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