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Arctic sea ice succumbs to Atlantification
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By European Space Agency
Satellite observations show that sea-surface temperatures over the past four decades have been getting warmer at an accelerated pace.
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By European Space Agency
Image: The Copernicus Sentinel-2 mission shows us what is left of the Aral Sea, once the fourth largest lake in the world. View the full article
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By European Space Agency
For decades, satellites have played a crucial role in our understanding of the remote polar regions. The ongoing loss of Antarctic ice, owing to the climate crisis, is, sadly, no longer surprising. However, satellites do more than just track the accelerating flow of glaciers towards the ocean and measure ice thickness.
New research highlights how ESA’s CryoSat mission has been used to uncover the hidden impact of subglacial lakes – vast reservoirs of water buried deep under the ice – that can suddenly drain into the ocean in dramatic outbursts and affect ice loss.
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By NASA
NASA/Jordan Cochran Thomas Ozoroski, a researcher at NASA’s Glenn Research Center in Cleveland, takes icing accretion measurements in October 2024 as part of transonic truss-braced wing concept research.
In the future, aircraft with long, thin wings supported by aerodynamic braces could help airlines save on fuel costs – but those same wings could be susceptible to ice buildup. In the historic Icing Research Tunnel at NASA Glenn, scientists and engineers are testing a concept for a transonic truss-braced wing. Their goal: to collect important data to inform the design of these potential efficient aircraft of the future.
NASA Glenn can simulate icing conditions in its Icing Research Tunnel to identify potential challenges for new aircraft designs. These tests provide valuable information about how ice builds up on wings and can help identify the most critical icing conditions for safety.
Read more about icing testing at NASA Glenn.
Image credit: NASA/Jordan Cochran
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By European Space Agency
Launched just seven months ago, ESA’s Arctic Weather Satellite has been proving how the New Space approach can accelerate the development of missions capable of delivering detailed temperature and humidity profiles for short-term weather forecasts.
Moreover, the impact of this tiny prototype satellite goes even further – its measuring instrument has been recognised as able to provide data that’s on a par with traditional large missions.
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