Most people tend to think of Antarctica as just ice, but we know about these lakes under glaciers in
Antarctica for 40 years, and more than 400 of them have now been identified. John Hawkings, Research Associate, Florida State University
Scientists decided to investigate liquid water underice sheets of Antarctica and Greenland. These ice sheets cover about 10% of the Earth's land surface. However, polar conditions are rapidly changing as a result of the rise in temperature. Scientists are very interested in studying polar conditions and how continued warming will affect critical geochemical processes in the future.
The researchers analyzed water samplesfocusing on trace elements, chemical elements that are present in very small quantities but are essential for microscopic organisms and therefore the global carbon cycle.
For many years, scientists thought that the waters beneathGlaciers around the world contain these elements in such minute quantities that they do not play a significant role in geochemical and biological processes on Earth. “What we found, however, is that ice sheets appear to be more important to life processes than we initially thought,” said FSU assistant professor of Earth, ocean and atmosphere Robert Spencer.
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