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Arctic expedition may find clues to what caused the last ice-age

20 May 2004

Invitation to a press conference on Thursday 3 June, 12.30pm at The Royal Society, 6 Carlton House Terrace, London, SW1Y 5AF.

Scientists will soon be extracting the deepest Arctic sedimentary cores ever drilled from the Lomonosov Ridge, in the deep oceans more than 2,000 km off the coast of Norway. They will core to a depth of about 500 metres under the seabed. From studying these cores the researchers expect to answer questions such as 'what caused the ice-age?' So far the deepest oceanic sediment core extracted from the Arctic is only from a depth of 16 metres.

Sea floor sediments conceal a rich history of the Earth. Studies of sedimentary cores indicate that the pace of climate change varies over time. But what actually initiates these changes? How are they spread over time and what circumstances amplify or reduce the climatic effects of events such as earthquakes or volcanic eruptions?

"For the first time scientists will be able to look back at a continuous record of Arctic climate history over the past 50m years and find answers to some of these questions" says Andy Kingdon, Outreach Director for the Arctic Coring Expedition (ACEX). He adds, "The Lomonosov Ridge is as near to being a pristine, uncontaminated site as you can possibly get so we are really excited about what we might find."

The Arctic Coring Expedition will be launched at a press conference at 12.30pm on Thursday 3 June at the Royal Society in London.

The programme for the day (41KB).

Andy Kingdon will give an overview of the aims and objectives for the research expedition. He will be joined by the Chief Scientists for the expedition, Professor Jan Backman and Dr Kate Moran. Other members of the team will also be available to answer questions.

The Natural Environment Research Council (NERC) is playing a leading role in this international research expedition.

The Arctic Coring Expedition is part of the 'Integrated Ocean Drilling Program' (IODP), which is being launched in the UK on the same day. The IODP involves scientists from Europe, Japan and the USA who will investigate many of the Earth's regions that were previously inaccessible. NERC is investing £12·5m in the programme which will run until 2013.

Further information

NERC Press Office
Natural Environment Research Council
Polaris House, North Star Avenue
Swindon, SN2 1EU
Tel: 01793 411561
Mob: 07917 557215

Notes

1. If you would like to arrange interviews with any of the speakers please contact Marion O'Sullivan in the NERC Press Office.

2. Journalists are welcome to continue interviews over lunch. It would be helpful if you could advise the NERC Press Office if you are planning to attend.

3. The Natural Environment Research Council (NERC) is one of the UK's research councils. It uses a budget of about £300m a year to fund and carry out impartial scientific research in the sciences of the environment. NERC trains the next generation of independent environmental scientists. It is addressing some of the key questions facing mankind such as global warming, renewable energy and sustainable economic development.

4. European Consortium for Ocean Research Drilling (ECORD) represents and funds international ocean drilling at a European level.

5. IODP is an international scientific research initiative. It began in October 2003 and is being launched in the UK today. IODP will use new resources to support technologically advanced ocean drilling research, which will enable investigation of Earth's regions and processes that were previously inaccessible and poorly understood.

Press release: 12/04

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