Page last updated at 05:49 GMT, Monday, 4 May 2009 06:49 UK

Day in the life of Arctic explorer

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Polar explorers Pen Hadow, Ann Daniels and Martin Hartley are trekking across the Arctic, taking measurements of sea-ice thickness as they go.

The team hopes its data - primarily now from drilling following the failure of a mobile radar unit - will help scientists better understand the changes taking place at the highest latitudes.

Here, Ann Daniels describes what a typical day is like for a polar explorer.

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