Ed Hawkins
The theory that increasing greenhouse gas levels in the atmosphere would cause warming was developed earlier by Fourier, Foote, Tyndall, Arrhenius & others.
Their work enabled Callendar to join the pieces together and demonstrate a human-caused increase in both CO2 & global land temperatures and, importantly, link these together.
The work of Plass, Keeling, Revelle, Manabe & others would subsequently solidify these ideas.
Climate science has a long history we should use to communicate more.
Ed Hawkins
85 years ago.
In April 1938, Guy Callendar published his seminal paper showing that Earth’s land areas had warmed over the previous 50 years.
He also suggested that man-made CO₂ emissions had caused around half of the observed warming.
85 years ago.
https://rmets.onlinelibrary.wiley.com/doi/abs/10.1002/qj.49706427503
Ed Hawkins
Manchester is red.
As @ReadingFC@twitter.com play @ManUtd@twitter.com tonight with the ‘warming stripes’ on their kit sleeves, we reveal how temperatures have changed in Manchester since 1884 using @metoffice@twitter.com data.
From blue to red. #ShowYourStripes
Ed Hawkins
It's cold & dark, so how about spending a few minutes this evening transcribing weather observations from 1860s ship logs?
We are very close to completing the Weather Rescue At Sea citizen science project: http://www.WeatherRescue.org
Can you join the crew & help finish the voyage?
Climate scientist at the National Centre for Atmospheric Science, University of Reading | IPCC AR6 Lead Author | MBE | Warming Stripes: http://www.ShowYourStripes.info | Weather Rescue citizen science initiative: http://www.WeatherRescue.org | Partner to @OceanTerra | Views own#climate #ShowYourStripes #CitizenScience #dataviz #ipcc
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