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Scientists from all over the world come to Antarctica. Many are based at research stations such as the Amundsen-Scott facility and collect data from great distances.
Watch this video, where Dustin Schroeder, a geophysicist from Stanford University, describes his work capturing data on rising sea levels. He uses radar technology to study the subglacial and englacial (inside a glacier) conditions of Antarctica's rapidly changing ice sheets.
Source: Dustin Schroeder, https://www.ted.com/talks/dustin_schroeder_how_we_look_kilometers_below_the_antarctic_ice_sheet This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.