Thursday, May 21, 2009

Mysteries of the deep

A new study has revealed that sediments deposited in the ocean by major arctic rivers may hold the clues to understand how the Earth's climate will change in the next few decades. The Arctic sediments contains the records of changes on land due to global warming and melting of upland glaciers. Large amounts of carbon are stored in the Arctic permafrost. It will transport much of the organic carbons to the oceans. The Arctic sediments are believed to act as the past climate proxies which can be used further to understand the climatic changes in the future..

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