An international team of scientists has successfully conducted large-scale helicopter-based observations along the coast of East Antarctica and has identified pathways through which warm ocean water flows from the open ocean into ice shelf cavities for the first time.
Geophysical Research LettersThe Totten Glacier has attracted global attention because of the sheer scope of the environmental impacts if the glacier were to melt entirely: global sea levels could be raised by nearly four meters. It is thus necessary to observe the entire continental shelf region to understand the pathways and mechanisms of warm water mass inflow. However, such observations have been historically hindered by the region's intense sea ice and icebergs.
The team, including Assistant Professor Yoshihiro Nakayama and Associate Professor Shigeru Aoki of Hokkaido University's Institute of Low Temperature Science, conducted helicopter-based observations with cooperation by Japan's Maritime Self-Defense Force as part of the 61st Japanese Antarctic Research Expedition .
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