What’s hiding under Antarctica’s ice? Scientists uncover 207 hidden volcanoes
GS3Economy · S&T · Environment · Security· Nuclear & new energy technology· Prelims·
Why in news
A China-led international research team created the world's first comprehensive digital archive of subglacial volcanoes in Antarctica, revealing 207 hidden volcanoes.
Background
The project, titled ANT-SGV-25, was developed by the Polar Research Institute of China in partnership with the University of Exeter. It identifies 207 volcanoes hidden beneath the Antarctic ice sheet, identifying the region as a major volcanic province.
Facts for Prelims
- S&TANT-SGV-25: The name of the project creating the first digital archive of Antarctic subglacial volcanoes
- PlaceAntarctica: Identified as one of Earth's major volcanic provinces by the new catalogue
- Fact207: The number of known volcanoes hidden beneath the Antarctic ice sheet revealed by the archive
- BodyPolar Research Institute of China: Lead body in the research project
For Mains
Q. Discuss how subglacial volcanic activity and geothermal heat interactions influence ice sheet dynamics and the broader implications for global climate change modeling.
Dimensions to cover in your answer
- Geothermal feedback: Interaction between subglacial heat and ice sheet melting rates
- Data gaps: Limitations in current climate models regarding subglacial volcanic provinces
- Risk assessment: Impact of hidden volcanic activity on sea-level rise projections
Keywords: subglacial volcanoes · geothermal heat · ice sheet dynamics · climate modeling · Antarctica
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