NASA | The Bedrock Beneath

The Antarctic ice sheet contains over half of the world's freshwater and is constantly moving towards the sea. Scientists measure its thickness and map the bedrock to understand its flow and potential impact on sea level rise. The British Antarctic Survey released Bed Map 2, incorporating millions of new measurements from various sources, including NASA's Icesat and Operation Icebridge. This data provides a clearer picture of the ice sheet's terrain, aiding in climate science and understanding Antarctica's influence on global climate.

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