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Nature 443, 277-278 (21 September 2006) | doi:10.1038/443277a; Published online 20 September 2006; Corrected 26 October 2006

There is a Correction (26 October 2006) associated with this document.

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Climate change: Greenland's ice on the scales

Tavi Murray1

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Satellite measurements of changes in Earth's gravity field reveal ice loss from Greenland's ice sheet. Over the past four years, this melt has contributed to global sea-level rise at an accelerating rate.

The volume of the ice sheet that covers most of Greenland is so large that, were it to melt completely, sea levels across the world would rise by about 7 metres. Furthermore, an increase in its delivery of fresh water to the oceans could weaken or disrupt the 'thermohaline' circulation of oceanic salt water1, profoundly altering the climate of the Northern Hemisphere.

  1. Tavi Murray is in the School of the Environment and Society, Swansea University, Swansea SA2 8PP, UK.
    Email: t.murray@swansea.ac.uk

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