Thursday, April 20, 2006

Computer glitch hits climate prediction project

A software error has hit one of the world's most sophisticated climate simulations. Participants in the BBC-sponsored project, which uses spare time on home computers to predict Britain's climate in 2080, will have to wait longer than expected to see their work on television.

Researchers at climateprediction.net tracked the problem down to a mistake in how the predicted levels of sulphate aerosols — tiny particles that block sunlight and cause 'global dimming', cooling the Earth — were entered into the model. They told confused users that they would be have to start again from scratch.

"After much soul-searching, we've decided to start everyone over again," says the project's principal investigator, Myles Allen.


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