Tag: Jule Charney

Categories
Science Scientists United States of America

October 12, 1976 – Jule Charney throws (private) shade on fellow climatologists…

On this day, October 12 in 1976, an eminent US scientist was dismissive (in a personal letter) of Stephen Schneider et al.

12 Oct 1976 None of the “speculative ideas of people like … Schneider on future climate change are worth the paper (usually newspaper) they are written on. They mislead the public and they do the field harm,” Charney concluded in a separate letter.

Jule  Charney to Warren Kornberg, 12 October 1976, Box 13 – NSF, 1955-81, Papers of Jule Charney,  MIT Institute Archives, Cambridge, MA. 

(Henderson, 2014 Dilemmas of Reticence)

[The amount of carbon dioxide in the atmosphere was 328.72ppm. At time of writing it was 421ishppm- but for what it is now,well, see here for the latest.]

The context was this – 

In the mid 1970s there was a flurry of books about climate change and its impacts. Only a very few of them focussed on the importance of carbon dioxide build-up – others saw the problem in dust, or ‘waste heat’. The grand old men of the field – Charney, Landsberg et al, feared that popularisation/tabloid style claims would damage the credibility of the field. 

Why this matters. 

Scientists – justifiably – worry about large claims and whether they are sound, since if the claims and predictions turn out to be wrong, all scientists suffer.

What happened next?

Charney changed his tune in 1979, agreeing that unless something very odd indeed happened, then a doubling of atmospheric CO2 would lead to serious warming…

Schneider went on to do much more great work.

Categories
Science Scientists United States of America

July 23, 1979 – Charney Report people meet – will conclude “yep, global warming is ‘A Thing’.”

On this day, 23 July 1979, the  “Ad Hoc Study Group on C02 and Climate” begins at Woods Hole, giving us the  “Charney Report.”

Short version – a scientist (Gordon MacDonald) and a Friends of the Earth activist (Rafe Pomerance) had managed to get President Jimmy Carter’s science advisor (Frank Press) to get Carter to request a study on whether this “greenhouse effect” thing was gonna actually be the problem some were saying.

So folks met, under the leadership of one of the big original beasts of atmospheric science, Jule Charney.

And they came up with the view, “yes”.

See this excellent summary, written by Neville Nicholls, an Australian scientist

Here’s a flowery (but good) bit from Nathaniel Rich’s “Losing Earth”–

The scientists summoned by Jule Charney to judge the fate of civilization arrived on July 23, 1979, with their wives, children and weekend bags at a three-story mansion in Woods Hole, on the southwestern spur of Cape Cod. They would review all the available science and decide whether the White House should take seriously Gordon MacDonald’s prediction of a climate apocalypse. The Jasons had predicted a warming of two or three degrees Celsius by the middle of the 21st century, but like Roger Revelle before them, they emphasized their reasons for uncertainty. Charney’s scientists were asked to quantify that uncertainty. They had to get it right: Their conclusion would be delivered to the president. But first they would hold a clambake.

They gathered with their families on a bluff overlooking Quissett Harbor and took turns tossing mesh produce bags stuffed with lobster, clams and corn into a bubbling caldron. While the children scrambled across the rolling lawn, the scientists mingled with a claque of visiting dignitaries, whose status lay somewhere between chaperone and client — men from the Departments of State, Energy, Defense and Agriculture; the E.P.A.; the National Oceanic and Atmospheric Administration. They exchanged pleasantries and took in the sunset. It was a hot day, high 80s, but the harbor breeze was salty and cool. It didn’t look like the dawning of an apocalypse.

Why this matters. 

“We” really knew enough by the late 70s. Everything since then has been footnotes.

What happened next?

Carter lost the 1980 election, handsomely. It would be another 8 years before the simulacrum of international action began.

Categories
Science Scientists

March 5, 1950 – first computer simulation of the weather…

On this day in March 5 1950, Jule Charney and Jonny von Neumann produced the first computer simulation of the weather. Who were these people? Jules Charney was, according to Wikipedia considered “the father of modern dynamical meteorology, Charney is credited with having “guided the postwar evolution of modern meteorology more than any other living figure.” 

And in 1979, he helmed what’s now known as the Charney report, which told the politicians that yes, there was no reason to doubt that a doubling of the amount of carbon dioxide in the atmosphere would lead to a three degree temperature rise. 

Jonny von Neumann was Hungarian, possibly the smartest person who’s ever lived. And in 1955 he would warn Fortune magazine of the buildup of carbon dioxide shortly before his death in early 1957.

Why this matters. 

The work Neumann and Charney did was foundational for the Geophysical Fluid Dynamics Laboratory, set up in 1963 under NOAA (National Oceanic and Atmospheric Administration) to model the atmosphere.

Computer simulations, computer models of the climate have been extremely important for creating the understanding (and global awareness) of weather and climate. And there is a book by Paul Edwards called A Vast Machine which will tell you a lot more. 

What happened next?

It would be another five or six years before the buildup of carbon dioxide started to impinge properly on people’s consciousness.