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Press Release 10-228

What Can Ice Reveal About Fire?

Carbon monoxide trapped in ice cores reveals unexpected trends regarding burning biomass

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Photo of the drill site D47 in Antarctica.

General view of the drill site D47 in Antarctica where the LGGE (Laboratoire du Glaciologie et Geophysique de l'Environnement) team drilled one of two cores used in the recent Southern Hemisphere biomass-burning study. The thermal drilling method the researchers used allowed them to collect a 12-centimeter-diameter core, from which carbon monoxide and its isotopes were measured at Stony Brook University. These analyses required close to one kilogram of ice per sample.

Credit: Jerome Chappellaz, CNRS/LGGE.


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Image of the Dec. 3, 2010 Science cover.

The researchers' findings are described online in the Dec. 2, 2010 Science Express.

Credit: copyright AAAS 2010


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