Surface lakes and streams are forming on Antarctica's ice shelves, making them susceptible to instability and possible collapse. But rivers could mitigate this effect by efficiently exporting meltwater to the ocean. See Letters p.344 & p.349
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Banwell, A. Ice-shelf stability questioned. Nature 544, 306–307 (2017). https://doi.org/10.1038/544306a
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DOI: https://doi.org/10.1038/544306a
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