Migrating 'Supraglacial' Lakes Could Trigger Substantial Greenland Ice Loss

Though some see snowstorms and believe global warming has been exaggerated, a new study using predictions of Greenland ice loss and its impact on rising sea levels instead finds that other models may be greatly underestimating it.   The new estimate simulates future distribution of lakes that form on the ice sheet surface from melted snow and ice, called supraglacial lakes. Previously, the impact of supraglacial lakes on Greenland ice loss had been assumed to be small, but the new research has shown that they will migrate farther inland over the next half century, potentially altering the ice sheet flow in dramatic ways. read more

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