A China-led international research team, including the University of Exeter
GS3Economy · S&T · Environment · Security· Climate change & international agreements· Prelims·
Why in news
A China-led international research team, including the University of Exeter, identified 207 subglacial volcanoes beneath the Antarctic ice sheet to study geothermal heat impacts on ice stability.
Background
The research team created a digital archive named ANT-SGV-25 to catalogue the volcanoes. The findings were published in the journal Earth-Science Reviews.
Facts for Prelims
- S&TANT-SGV-25: Digital archive identifying 207 subglacial volcanoes in Antarctica
- PlaceAntarctica: Location of the identified subglacial volcanic landscapes
- Fact207: Number of subglacial volcanoes identified in the new catalogue
For Mains
Q. Discuss how subglacial volcanic activity and geothermal heat interactions influence the stability of polar ice sheets in the context of global warming.
Dimensions to cover in your answer
- Feedback loop: Geothermal heat accelerating ice melt and contributing to sea-level rise
- Data gap: Limitations in real-time monitoring of subglacial volcanic activity and heat flux
Keywords: Geothermal heat · Ice sheet stability · Subglacial volcanism · Cryospheric dynamics · Climate feedback
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