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Published online 8 October 2008 | Nature 455, 714-715 (2008) | doi:10.1038/455714a

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Vapour spies to reveal climate clues

Isotope analysis will provide new tools for weather modelling.

Scientists will begin collecting the first near-real-time measurements of the isotopes in water vapour on Hawaii's Mauna Loa this week, trialling what could prove to be a new way to study climate and weather systems.

The month-long experiment will deploy a trio of laser-based instruments to measure the isotopic composition of water vapour at least once every few minutes.

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