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Antarctica is a vast and dynamic place, but radar technologies -- from World War II-era film to state-of-the-art miniaturized sensors -- are enabling scientists to observe and understand changes beneath the continent's ice in unprecedented detail. Join radio glaciologist Dustin Schroeder on a flight high above Antarctica and see how ice-penetrating radar is helping us learn about future sea level rise -- and what the melting ice will mean for us all. Hosted on Acast. See acast.com/privacy for more information.
L'Antarctique est un endroit vaste et dynamique, et les technologies radar -- des pellicules de la seconde Guerre Mondiale aux micro-capteurs de pointe --permettent aux scientifiques d'observer et de comprendre les changements qui se produisent sous de la glace du continent avec des détails sans précédents. Accompagnez le radio-glaciologue Dustin Schroeder dans un vol au-dessus de l'Antarctique et observez comment ces radars qui voient à travers la glace vont nous permettre de comprendre la future hausse du niveau de la mer -- et ce que la fonte des glaces signifiera pour nous tous.
Antarctica is a vast and dynamic place, but radar technologies -- from World War II-era film to state-of-the-art miniaturized sensors -- are enabling scientists to observe and understand changes beneath the continent's ice in unprecedented detail. Join radio glaciologist Dustin Schroeder on a flight high above Antarctica and see how ice-penetrating radar is helping us learn about future sea level rise -- and what the melting ice will mean for us all.
남극은 거대하고 역동적인 대륙입니다. 과학자들은 2차 대전 시기에 사용되던 필름부터 최신 소형화 센서에 이르기까지 다양한 장비를 이용해서 이전까지 볼 수 없었던 남극 대륙의 빙하 밑에서 진행되는 변화를 관찰하고 이해할 수 있게 되었습니다. 전파 빙하학자인 더스틴 슈뢰더와 함께 남극 상공을 비행하는 일과, 얼음 속을 뚫고 신호를 보내는 레이더가 미래 해수면 상승 관찰과 어떤 연관이 있는지, 그리고 빙하의 해빙이 무엇을 의미하는지 알아봅시다.
القطب الجنوبي هو مكان يعرف حركية مستمرة، لكن تقنيات الرادار -من الحرب العالمية الثانية وأحدث أجهزة الاستشعار المصغرة- تتيح للعلماء إمكانية مراقبة وفهم التغيرات التي تحدث تحت جليد القارة بتفاصيل لم يسبق لها مثيل. من خلال مرافقة دوستين شرودر، عالم يدرس الجليد بالموجات الإذاعية، على متن رحلة جوية فوق القطب الجنوبي ومشاهدة كيف يساعدنا الرادار المخترق لطبقات الجليد على معرفة كيف سيرتفع مستوى البحر في المستقل، وماذا سيعني ذوبان الجليد بالنسبة لنا.
A Antártica é uma região ampla e dinâmica, mas tecnologias de radar, desde filmes da era da Segunda Guerra Mundial a sensores miniaturizados de última geração, estão permitindo aos cientistas observar e entender as mudanças abaixo do gelo do continente com detalhes sem precedentes. Juntem-se ao rádio-glaciologista Dustin Schroeder em um voo sobre a Antártica e veja como radares que penetram no gelo está nos ajudando a aprender sobre a futura elevação do nível do mar e o que o derretimento do gelo significará para todos nós.
La Antártida es un lugar vasto y dinámico, pero las tecnologías de radar —desde las películas de la época de la Segunda Guerra Mundial hasta los sensores miniaturizados de última generación— están permitiendo a los científicos observar y comprender los cambios debajo del hielo del continente con un detalle sin precedentes. Únete al radioglaciólogo Dustin Schroeder, en un vuelo muy por encima de la Antártida y observa cómo el radar que penetra en el hielo nos está ayudando a aprender sobre el futuro aumento del nivel del mar y lo que el derretimiento del hielo significará para todos nosotros.
Understanding the behavior of the constantly evolving Antarctic Ice Sheet is critical for projecting and planning for future sea levels. These processes take place beneath kilometers of ice, making them difficult to observe and model. Learn how advances in radar technology and data analysis are enables scientist to see what's happening beneath the ice. Dustin Schroeder is an assistant professor of geophysics and, by courtesy, of electrical engineering. He focuses on observing and understanding the configuration and evolution of ice sheet boundary conditions using radar. Before coming to Stanford, he was a radar systems engineer with the Jet Propulsion Laboratory at CalTech. He is a science team member for planetary radars on NASA’s Europa Clipper and Lunar Reconnaissance Orbiter missions.