Climategate: Freakonomics Author Says Climate Models Driven By Funding

“Freakonomics” co-author, Stephen J. Dubner weighs in on Climate-gate in The New York Times:

“The current generation of climate-prediction models are, as Lowell Wood puts it, “enormously crude.” … “The climate models are crude in space and they’re crude in time,” he continues. “So there’s an enormous amount of natural phenomena they can’t model. They can’t do even giant storms like hurricanes.”

There are several reasons for this, [Nathan] Myhrvold explains. Today’s models use a grid of cells to map the earth, and those grids are too large to allow for the modeling of actual weather. Smaller and more accurate grids would require better modeling software, which would require more computing power. “We’re trying to predict climate change 20 to 30 years from now,” he says, “but it will take us almost the same amount of time for the computer industry to give us fast enough computers to do the job.”

That said, most current climate models tend to produce similar predictions. This might lead one to reasonably conclude that climate scientists have a pretty good handle on the future.

Not so, says Wood.

“Everybody turns their knobs” — that is, adjusts the control parameters and coefficients of their models — “so they aren’t the outlier, because the outlying model is going to have difficulty getting funded.” In other words, the economic reality of research funding, rather than a disinterested and uncoordinated scientific consensus, leads the models to approximately match one another. It isn’t that current climate models should be ignored, Wood says — but, when considering the fate of the planet, one should properly appreciate their limited nature.”

Dubner´s piece reads Climate-gate as a kind of Rorscharch test for pundits. If you´re pro AGW, then all this is a tempest in a tea-cup (Paul Krugman). If you´re anti AGW, (James Delingpole), then it´s the greatest scientific scandal of the century.

Krugman:

“All those e-mails — people have never seen what academic discussion looks like. There’s not a single smoking gun in there. There’s nothing in there. And the travesty is that people are not able to explain why the fact that 1988 was a very warm year doesn’t actually mean that global warming has stopped. I mean, that’s loose wording. Right? Everything is about — we’re really in the same situation as if there was one extremely warm day in April. And then people are saying, well, you see, May is cooler than April, there’s no trend here. And that’s what — the travesty is how hard it has been to explain…”

Delingpole:

“If you own any shares in alternative energy companies I should start dumping them NOW.”

Well, I think of myself as a critic, but I don´t see the scandal right now as definitively one or the other — either game, set and match…..or a fizzle. It´s obviously a well-timed and massive hit to AGW, but I can think of worse things done in the name of science….from experiments in mind-control on unsuspecting patients… to Lysenko…..

As for its impact on AGW, I´m afraid the spin-machine will quickly rewrite the significance of some of the language used by the rogue scientists.

Still, at the end of the day, it all helps to erode people´s trust in expert authority..and that is always a good thing.

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  1. Pingback: Climate-Gate: Hacked Emails Set Blogosphere on Fire (Updated/Corrected) | LILA RAJIVA: The Mind-Body Politic

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