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Home»Posts tagged with»radar

New Method of Monitoring Shore Ice Could Improve Public Safety

By Rod Boyce | Geophysical Institute on Mar 30, 2023   Featured, The Arctic and Alaska Science  

New Method of Monitoring Shore Ice Could Improve Public Safety

Specialized portable radar could serve as an early warning system to reduce risk for humans working on shorefast sea ice, according to a recently published study. The researchers suggest that use of portable interferometric radar can quickly reveal small changes that could indicate imminent movement or detachment of the ice, which is important as climate […]

Radar Gauges Methane Release from Arctic Lakes

By Jeff Richardson | UAF on May 15, 2020   Featured, Science/Education, The Arctic and Alaska Science  

Radar Gauges Methane Release from Arctic Lakes

  A University of Alaska Fairbanks-led research team has developed a way to use satellite images to determine the amount of methane being released from northern lakes, a technique that could help climate change modelers better account for this potent greenhouse gas. By using synthetic aperture radar, or SAR, researchers were able to find a […]

Huge Cavity in Antarctic Glacier Signals Rapid Decay

By Carol Rasmussen | NASA's Earth Science News on Feb 1, 2019   Featured, Science/Education  

Huge Cavity in Antarctic Glacier Signals Rapid Decay

A gigantic cavity — two-thirds the area of Manhattan and almost 1,000 feet (300 meters) tall — growing at the bottom of Thwaites Glacier in West Antarctica is one of several disturbing discoveries reported in a new NASA-led study of the disintegrating glacier. The findings highlight the need for detailed observations of Antarctic glaciers’ undersides […]

Holiday Asteroid Imaged with NASA Radar

By Charles Blue | National Radio Astronomy Observatory, DC Agle Jet Propulsion Laboratory, Dwayne Brown / JoAnna Wendel | NASA, Ricardo Correa | Arecibo Observatory on Dec 21, 2018   Featured, Science/Education  

Holiday Asteroid Imaged with NASA Radar

The December 2018 close approach by the large, near-Earth asteroid 2003 SD220 has provided astronomers an outstanding opportunity to obtain detailed radar images of the surface and shape of the object and to improve the understanding of its orbit. The asteroid will fly safely past Earth on Saturday, Dec. 22, at a distance of about […]

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