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2022 updates to model-observation comparisons

Real Climate

This has now been completed for 2022. This is related to the commentary we published last year ( Hausfather et al, 2022 ), where we show that this screen is a reasonable match to the IPCC AR6 assessed projections that used emulators constrained by observations. 26-29, 2022. Casas, G.A. Schmidt, R.L. Tsigaridis, L.S.

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The CO2 problem in six easy steps (2022 Update)

Real Climate

For some parts of the spectrum, the IR can be either absorbed by CO 2 or by water vapour or by clouds, but taking those overlaps into account we find that 50% of the greenhouse effect is from water vapour, 25% from clouds, and about 20% from CO 2 and the rest absorbed by ozone, aerosols, and other trace gases ( Schmidt et al, 2010 ).

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A NOAA-STAR dataset is born…

Real Climate

The weighting varies a little between land and ocean, and as a function of topography or surface type (some model-observation comparisons take this into account, but a global uniform weighting is often good enough). Thus the similarity of the full period trend (1981-2022) between UAH and NOAA-STAR is somewhat coincidental (0.14/0.20/0.13

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Clauser-ology: Cloudy with a chance of meatballs

Real Climate

Some of you will have heard of John Clauser because he was an awardee of the 2022 Nobel Prize in Physics for his role in the experimental verification of quantum entanglement. However, not only is there an obvious energy imbalance (as seen by the growth of ocean heat content), it’s actually accelerating Loeb et al., Schmidt, T.

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Seeing the Earth through alien eyes: an extraterrestrial view of our planet

Physics World

Accompanied by artists’ impressions of volcanic landscapes or storms raging above shimmering oceans, such work makes distant planets feel somehow more real. The lines form a chemical fingerprint that could be used to find “biosignatures” such as oxygen or ozone. Transmission spectroscopy is limited too.

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ESA Policy News: October 24, 2022

ESA

Ahead of the United Nations Climate Change Conference of Parties, or COP27, in Sharm El-Sheikh, Egypt in November 2022, ESA seeks ecological experts to include in a media advisory highlighting our members’ expertise in climate change and biodiversity. NSF will release a report about the data in early December 2022. in 2016 to 30.2%

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ESA Policy News: November 7, 2022

ESA

In April 2022, the Biden administration announced the launch of the first-ever U.S. Antarctic ozone hole shrinks slightly – The Hill. CNSF – Statement on Passage of the CHIPS and Science Act of 2022 (Aug. CNSF – Statement on Passage of the CHIPS and Science Act of 2022 (Aug. National Nature Assessment. Led by the U.S.

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